- 29 Mar, 2024 21 commits
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Kuniyuki Iwashima authored
Commit 5e07e672 ("tcp: Use bhash2 for v4-mapped-v6 non-wildcard address.") introduced bind() regression for v4-mapped-v6 address. When we bind() the following two addresses on the same port, the 2nd bind() should succeed but fails now. 1. [::] w/ IPV6_ONLY 2. ::ffff:127.0.0.1 After the chagne, v4-mapped-v6 uses bhash2 instead of bhash to detect conflict faster, but I forgot to add a necessary change. During the 2nd bind(), inet_bind2_bucket_match_addr_any() returns the tb2 bucket of [::], and inet_bhash2_conflict() finally calls inet_bind_conflict(), which returns true, meaning conflict. inet_bhash2_addr_any_conflict |- inet_bind2_bucket_match_addr_any <-- return [::] bucket `- inet_bhash2_conflict `- __inet_bhash2_conflict <-- checks IPV6_ONLY for AF_INET | but not for v4-mapped-v6 address `- inet_bind_conflict <-- does not check address inet_bind_conflict() does not check socket addresses because __inet_bhash2_conflict() is expected to do so. However, it checks IPV6_V6ONLY attribute only against AF_INET socket, and not for v4-mapped-v6 address. As a result, v4-mapped-v6 address conflicts with v6-only wildcard address. To avoid that, let's add the missing test to use bhash2 for v4-mapped-v6 address. Fixes: 5e07e672 ("tcp: Use bhash2 for v4-mapped-v6 non-wildcard address.") Signed-off-by:
Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/r/20240326204251.51301-2-kuniyu@amazon.comSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Eric Dumazet authored
syzbot reported a problem in ip6erspan_rcv() [1] Issue is that ip6erspan_rcv() (and erspan_rcv()) no longer make sure erspan_base_hdr is present in skb linear part (skb->head) before getting @ver field from it. Add the missing pskb_may_pull() calls. v2: Reload iph pointer in erspan_rcv() after pskb_may_pull() because skb->head might have changed. [1] BUG: KMSAN: uninit-value in pskb_may_pull_reason include/linux/skbuff.h:2742 [inline] BUG: KMSAN: uninit-value in pskb_may_pull include/linux/skbuff.h:2756 [inline] BUG: KMSAN: uninit-value in ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline] BUG: KMSAN: uninit-value in gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610 pskb_may_pull_reason include/linux/skbuff.h:2742 [inline] pskb_may_pull include/linux/skbuff.h:2756 [inline] ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline] gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610 ip6_protocol_deliver_rcu+0x1d4c/0x2ca0 net/ipv6/ip6_input.c:438 ip6_input_finish net/ipv6/ip6_input.c:483 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] ip6_input+0x15d/0x430 net/ipv6/ip6_input.c:492 ip6_mc_input+0xa7e/0xc80 net/ipv6/ip6_input.c:586 dst_input include/net/dst.h:460 [inline] ip6_rcv_finish+0x955/0x970 net/ipv6/ip6_input.c:79 NF_HOOK include/linux/netfilter.h:314 [inline] ipv6_rcv+0xde/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5652 netif_receive_skb_internal net/core/dev.c:5738 [inline] netif_receive_skb+0x58/0x660 net/core/dev.c:5798 tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1549 tun_get_user+0x5566/0x69e0 drivers/net/tun.c:2002 tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048 call_write_iter include/linux/fs.h:2108 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0xb63/0x1520 fs/read_write.c:590 ksys_write+0x20f/0x4c0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x93/0xe0 fs/read_write.c:652 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 Uninit was created at: slab_post_alloc_hook mm/slub.c:3804 [inline] slab_alloc_node mm/slub.c:3845 [inline] kmem_cache_alloc_node+0x613/0xc50 mm/slub.c:3888 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:577 __alloc_skb+0x35b/0x7a0 net/core/skbuff.c:668 alloc_skb include/linux/skbuff.h:1318 [inline] alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6504 sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2795 tun_alloc_skb drivers/net/tun.c:1525 [inline] tun_get_user+0x209a/0x69e0 drivers/net/tun.c:1846 tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048 call_write_iter include/linux/fs.h:2108 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0xb63/0x1520 fs/read_write.c:590 ksys_write+0x20f/0x4c0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x93/0xe0 fs/read_write.c:652 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 CPU: 1 PID: 5045 Comm: syz-executor114 Not tainted 6.9.0-rc1-syzkaller-00021-g96249052 #0 Fixes: cb73ee40 ("net: ip_gre: use erspan key field for tunnel lookup") Reported-by: syzbot+1c1cf138518bf0c53d68@syzkaller.appspotmail.com Closes: https://lore.kernel.org/netdev/000000000000772f2c0614b66ef7@google.com/Signed-off-by:Eric Dumazet <edumazet@google.com> Cc: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/20240328112248.1101491-1-edumazet@google.comSigned-off-by:
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Atlas Yu authored
On devices that support DASH, the current code in the "rtl_loop_wait" function raises false alarms when DASH is disabled. This occurs because the function attempts to wait for the DASH firmware to be ready, even though it's not relevant in this case. r8169 0000:0c:00.0 eth0: RTL8168ep/8111ep, 38:7c:76:49:08:d9, XID 502, IRQ 86 r8169 0000:0c:00.0 eth0: jumbo features [frames: 9194 bytes, tx checksumming: ko] r8169 0000:0c:00.0 eth0: DASH disabled ... r8169 0000:0c:00.0 eth0: rtl_ep_ocp_read_cond == 0 (loop: 30, delay: 10000). This patch modifies the driver start/stop functions to skip checking the DASH firmware status when DASH is explicitly disabled. This prevents unnecessary delays and false alarms. The patch has been tested on several ThinkStation P8/PX workstations. Fixes: 0ab0c45d ("r8169: add handling DASH when DASH is disabled") Signed-off-by:
Atlas Yu <atlas.yu@canonical.com> Reviewed-by:
Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/20240328055152.18443-1-atlas.yu@canonical.comSigned-off-by:
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Su Hui authored
otx2_rxtx_enable() return negative error code such as -EIO, check -EIO rather than EIO to fix this problem. Fixes: c9262522 ("octeontx2-pf: Disable packet I/O for graceful exit") Signed-off-by:
Su Hui <suhui@nfschina.com> Reviewed-by:
Subbaraya Sundeep <sbhatta@marvell.com> Reviewed-by:
Simon Horman <horms@kernel.org> Reviewed-by:
Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Link: https://lore.kernel.org/r/20240328020620.4054692-1-suhui@nfschina.comSigned-off-by:
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Eric Dumazet authored
There is no reason to consume a full cacheline to store system_page_pool. We can eventually move it to softnet_data later for full locality control. Fixes: 2b0cfa6e ("net: add generic percpu page_pool allocator") Signed-off-by:
Jesper Dangaard Brouer <hawk@kernel.org> Link: https://lore.kernel.org/r/20240328173448.2262593-1-edumazet@google.comSigned-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queueJakub Kicinski authored
Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2024-03-26 (i40e) This series contains updates to i40e driver only. Ivan Vecera resolves an issue where descriptors could be missed when exiting busy poll. Aleksandr corrects counting of MAC filters to only include new or active filters and resolves possible use of incorrect/stale 'vf' variable. * '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue: i40e: fix vf may be used uninitialized in this function warning i40e: fix i40e_count_filters() to count only active/new filters i40e: Enforce software interrupt during busy-poll exit ==================== Link: https://lore.kernel.org/r/20240326162358.1224145-1-anthony.l.nguyen@intel.comSigned-off-by:
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Mahmoud Adam authored
cp might be null, calling cp->cp_conn would produce null dereference [Simon Horman adds:] Analysis: * cp is a parameter of __rds_rdma_map and is not reassigned. * The following call-sites pass a NULL cp argument to __rds_rdma_map() - rds_get_mr() - rds_get_mr_for_dest * Prior to the code above, the following assumes that cp may be NULL (which is indicative, but could itself be unnecessary) trans_private = rs->rs_transport->get_mr( sg, nents, rs, &mr->r_key, cp ? cp->cp_conn : NULL, args->vec.addr, args->vec.bytes, need_odp ? ODP_ZEROBASED : ODP_NOT_NEEDED); * The code modified by this patch is guarded by IS_ERR(trans_private), where trans_private is assigned as per the previous point in this analysis. The only implementation of get_mr that I could locate is rds_ib_get_mr() which can return an ERR_PTR if the conn (4th) argument is NULL. * ret is set to PTR_ERR(trans_private). rds_ib_get_mr can return ERR_PTR(-ENODEV) if the conn (4th) argument is NULL. Thus ret may be -ENODEV in which case the code in question will execute. Conclusion: * cp may be NULL at the point where this patch adds a check; this patch does seem to address a possible bug Fixes: c055fc00 ("net/rds: fix WARNING in rds_conn_connect_if_down") Cc: stable@vger.kernel.org # v4.19+ Signed-off-by:
Mahmoud Adam <mngyadam@amazon.com> Reviewed-by:
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Michael Krummsdorf authored
The switch has 4 ports with 2 internal PHYs, but ports are numbered up to 6, with ports 0, 1, 5 and 6 being usable. Fixes: 71d94a43 ("net: dsa: mv88e6xxx: add support for MV88E6020 switch") Signed-off-by:
Michael Krummsdorf <michael.krummsdorf@tq-group.com> Signed-off-by:
Matthias Schiffer <matthias.schiffer@ew.tq-group.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Reviewed-by:
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David Thompson authored
The mlxbf_gige driver intermittantly encounters a NULL pointer exception while the system is shutting down via "reboot" command. The mlxbf_driver will experience an exception right after executing its shutdown() method. One example of this exception is: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000070 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=000000011d373000 [0000000000000070] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 96000004 [#1] SMP CPU: 0 PID: 13 Comm: ksoftirqd/0 Tainted: G S OE 5.15.0-bf.6.gef6992a #1 Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS 4.0.2.12669 Apr 21 2023 pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mlxbf_gige_handle_tx_complete+0xc8/0x170 [mlxbf_gige] lr : mlxbf_gige_poll+0x54/0x160 [mlxbf_gige] sp : ffff8000080d3c10 x29: ffff8000080d3c10 x28: ffffcce72cbb7000 x27: ffff8000080d3d58 x26: ffff0000814e7340 x25: ffff331cd1a05000 x24: ffffcce72c4ea008 x23: ffff0000814e4b40 x22: ffff0000814e4d10 x21: ffff0000814e4128 x20: 0000000000000000 x19: ffff0000814e4a80 x18: ffffffffffffffff x17: 000000000000001c x16: ffffcce72b4553f4 x15: ffff80008805b8a7 x14: 0000000000000000 x13: 0000000000000030 x12: 0101010101010101 x11: 7f7f7f7f7f7f7f7f x10: c2ac898b17576267 x9 : ffffcce720fa5404 x8 : ffff000080812138 x7 : 0000000000002e9a x6 : 0000000000000080 x5 : ffff00008de3b000 x4 : 0000000000000000 x3 : 0000000000000001 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mlxbf_gige_handle_tx_complete+0xc8/0x170 [mlxbf_gige] mlxbf_gige_poll+0x54/0x160 [mlxbf_gige] __napi_poll+0x40/0x1c8 net_rx_action+0x314/0x3a0 __do_softirq+0x128/0x334 run_ksoftirqd+0x54/0x6c smpboot_thread_fn+0x14c/0x190 kthread+0x10c/0x110 ret_from_fork+0x10/0x20 Code: 8b070000 f9000ea0 f95056c0 f86178a1 (b9407002) ---[ end trace 7cc3941aa0d8e6a4 ]--- Kernel panic - not syncing: Oops: Fatal exception in interrupt Kernel Offset: 0x4ce722520000 from 0xffff800008000000 PHYS_OFFSET: 0x80000000 CPU features: 0x000005c1,a3330e5a Memory Limit: none ---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]--- During system shutdown, the mlxbf_gige driver's shutdown() is always executed. However, the driver's stop() method will only execute if networking interface configuration logic within the Linux distribution has been setup to do so. If shutdown() executes but stop() does not execute, NAPI remains enabled and this can lead to an exception if NAPI is scheduled while the hardware interface has only been partially deinitialized. The networking interface managed by the mlxbf_gige driver must be properly stopped during system shutdown so that IFF_UP is cleared, the hardware interface is put into a clean state, and NAPI is fully deinitialized. Fixes: f92e1869 ("Add Mellanox BlueField Gigabit Ethernet driver") Signed-off-by:
David Thompson <davthompson@nvidia.com> Link: https://lore.kernel.org/r/20240325210929.25362-1-davthompson@nvidia.comSigned-off-by:
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Hariprasad Kelam authored
The current implementation for loading coalesced KPU profiles has a limitation. The "offset" field, which is used to locate profiles within the profile is restricted to a u16. This restricts the number of profiles that can be loaded. This patch addresses this limitation by increasing the size of the "offset" field. Fixes: 11c730bf ("octeontx2-af: support for coalescing KPU profiles") Signed-off-by:
Hariprasad Kelam <hkelam@marvell.com> Reviewed-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Antoine Tenart says: ==================== gro: various fixes related to UDP tunnels We found issues when a UDP tunnel endpoint is in a different netns than where UDP GRO happens. This kind of setup is actually quite diverse, from having one leg of the tunnel on a remove host, to having a tunnel between netns (eg. being bridged in another one or on the host). In our case that UDP tunnel was geneve. UDP tunnel packets should not be GROed at the UDP level. The fundamental issue here is such packet can't be detected in a foolproof way: we can't know by looking at a packet alone and the current logic of looking up UDP sockets is fragile (socket could be in another netns, packet could be modified in between, etc). Because there is no way to make the GRO code to correctly handle those packets in all cases, this series aims at two things: making the net stack to correctly behave (as in, no crash and no invalid packet) when such thing happens, and in some cases to prevent this "early GRO" from happening. First three patches fix issues when an "UDP tunneled" packet is being GROed too early by rx-udp-gro-forwarding or rx-gro-list. Last patch is preventing locally generated UDP tunnel packets from being GROed. This turns out to be more complex than this patch alone as it relies on skb->encapsulation which is currently untrusty in some cases (see iptunnel_handle_offloads); but that should fix things in practice and is acceptable for a fix. Future work is required to improve things (prevent all locally generated UDP tunnel packets from being GROed), such as fixing the misuse of skb->encapsulation in drivers; but that would be net-next material. Thanks! Antoine Since v3: - Fixed the udpgro_fwd selftest in patch 5 (Jakub Kicinski feedback). - Improved commit message on patch 3 (Willem de Bruijn feeback). Since v2: - Fixed a build issue with IPv6=m in patch 1 (Jakub Kicinski feedback). - Fixed typo in patch 1 (Nikolay Aleksandrov feedback). - Added Reviewed-by tag on patch 2 (Willem de Bruijn feeback). - Added back conversion to CHECKSUM_UNNECESSARY but only from non CHECKSUM_PARTIAL in patch 3 (Paolo Abeni & Willem de Bruijn feeback). - Reworded patch 3 commit msg. Since v1: - Fixed a build issue with IPv6 disabled in patch 1. - Reworked commit log in patch 2 (Willem de Bruijn feedback). - Added Reviewed-by tags on patches 1 & 4 (Willem de Bruijn feeback). ==================== Signed-off-by: -
Antoine Tenart authored
UDP tunnel packets can't be GRO in-between their endpoints as this causes different issues. The UDP GRO fwd vxlan tests were relying on this and their expectations have to be fixed. We keep both vxlan tests and expected no GRO from happening. The vxlan UDP GRO bench test was removed as it's not providing any valuable information now. Fixes: a062260a ("selftests: net: add UDP GRO forwarding self-tests") Signed-off-by:
Antoine Tenart <atenart@kernel.org> Signed-off-by:
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Antoine Tenart authored
GRO has a fundamental issue with UDP tunnel packets as it can't detect those in a foolproof way and GRO could happen before they reach the tunnel endpoint. Previous commits have fixed issues when UDP tunnel packets come from a remote host, but if those packets are issued locally they could run into checksum issues. If the inner packet has a partial checksum the information will be lost in the GRO logic, either in udp4/6_gro_complete or in udp_gro_complete_segment and packets will have an invalid checksum when leaving the host. Prevent local UDP tunnel packets from ever being GROed at the outer UDP level. Due to skb->encapsulation being wrongly used in some drivers this is actually only preventing UDP tunnel packets with a partial checksum to be GROed (see iptunnel_handle_offloads) but those were also the packets triggering issues so in practice this should be sufficient. Fixes: 9fd1ff5d ("udp: Support UDP fraglist GRO/GSO.") Fixes: 36707061 ("udp: allow forwarding of plain (non-fraglisted) UDP GRO packets") Suggested-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
Willem de Bruijn <willemb@google.com> Signed-off-by:
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Antoine Tenart authored
UDP GRO validates checksums and in udp4/6_gro_complete fraglist packets are converted to CHECKSUM_UNNECESSARY to avoid later checks. However this is an issue for CHECKSUM_PARTIAL packets as they can be looped in an egress path and then their partial checksums are not fixed. Different issues can be observed, from invalid checksum on packets to traces like: gen01: hw csum failure skb len=3008 headroom=160 headlen=1376 tailroom=0 mac=(106,14) net=(120,40) trans=160 shinfo(txflags=0 nr_frags=0 gso(size=0 type=0 segs=0)) csum(0xffff232e ip_summed=2 complete_sw=0 valid=0 level=0) hash(0x77e3d716 sw=1 l4=1) proto=0x86dd pkttype=0 iif=12 ... Fix this by only converting CHECKSUM_NONE packets to CHECKSUM_UNNECESSARY by reusing __skb_incr_checksum_unnecessary. All other checksum types are kept as-is, including CHECKSUM_COMPLETE as fraglist packets being segmented back would have their skb->csum valid. Fixes: 9fd1ff5d ("udp: Support UDP fraglist GRO/GSO.") Signed-off-by:
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Antoine Tenart authored
If packets are GROed with fraglist they might be segmented later on and continue their journey in the stack. In skb_segment_list those skbs can be reused as-is. This is an issue as their destructor was removed in skb_gro_receive_list but not the reference to their socket, and then they can't be orphaned. Fix this by also removing the reference to the socket. For example this could be observed, kernel BUG at include/linux/skbuff.h:3131! (skb_orphan) RIP: 0010:ip6_rcv_core+0x11bc/0x19a0 Call Trace: ipv6_list_rcv+0x250/0x3f0 __netif_receive_skb_list_core+0x49d/0x8f0 netif_receive_skb_list_internal+0x634/0xd40 napi_complete_done+0x1d2/0x7d0 gro_cell_poll+0x118/0x1f0 A similar construction is found in skb_gro_receive, apply the same change there. Fixes: 5e10da53 ("skbuff: allow 'slow_gro' for skb carring sock reference") Signed-off-by:
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Antoine Tenart authored
When rx-udp-gro-forwarding is enabled UDP packets might be GROed when being forwarded. If such packets might land in a tunnel this can cause various issues and udp_gro_receive makes sure this isn't the case by looking for a matching socket. This is performed in udp4/6_gro_lookup_skb but only in the current netns. This is an issue with tunneled packets when the endpoint is in another netns. In such cases the packets will be GROed at the UDP level, which leads to various issues later on. The same thing can happen with rx-gro-list. We saw this with geneve packets being GROed at the UDP level. In such case gso_size is set; later the packet goes through the geneve rx path, the geneve header is pulled, the offset are adjusted and frag_list skbs are not adjusted with regard to geneve. When those skbs hit skb_fragment, it will misbehave. Different outcomes are possible depending on what the GROed skbs look like; from corrupted packets to kernel crashes. One example is a BUG_ON[1] triggered in skb_segment while processing the frag_list. Because gso_size is wrong (geneve header was pulled) skb_segment thinks there is "geneve header size" of data in frag_list, although it's in fact the next packet. The BUG_ON itself has nothing to do with the issue. This is only one of the potential issues. Looking up for a matching socket in udp_gro_receive is fragile: the lookup could be extended to all netns (not speaking about performances) but nothing prevents those packets from being modified in between and we could still not find a matching socket. It's OK to keep the current logic there as it should cover most cases but we also need to make sure we handle tunnel packets being GROed too early. This is done by extending the checks in udp_unexpected_gso: GSO packets lacking the SKB_GSO_UDP_TUNNEL/_CSUM bits and landing in a tunnel must be segmented. [1] kernel BUG at net/core/skbuff.c:4408! RIP: 0010:skb_segment+0xd2a/0xf70 __udp_gso_segment+0xaa/0x560 Fixes: 9fd1ff5d ("udp: Support UDP fraglist GRO/GSO.") Fixes: 36707061 ("udp: allow forwarding of plain (non-fraglisted) UDP GRO packets") Signed-off-by: -
Lukasz Majewski authored
Up till now only single character ('A' or 'B') was used to provide information of HSR slave network device status. As it is also possible and valid, that Interlink network device may be supported as well, the description must be more verbose. As a result the full string description is now used. Signed-off-by:Lukasz Majewski <lukma@denx.de> Reviewed-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queueJakub Kicinski authored
Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2024-03-27 (e1000e) This series contains updates to e1000e driver only. Vitaly adds retry mechanism for some PHY operations to workaround MDI error and moves SMBus configuration to avoid possible PHY loss. * '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue: e1000e: move force SMBUS from enable ulp function to avoid PHY loss issue e1000e: Workaround for sporadic MDI error on Meteor Lake systems ==================== Link: https://lore.kernel.org/r/20240327185517.2587564-1-anthony.l.nguyen@intel.comSigned-off-by:
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Jesper Dangaard Brouer authored
Notice that skb_mark_for_recycle() is introduced later than fixes tag in commit 6a5bcd84 ("page_pool: Allow drivers to hint on SKB recycling"). It is believed that fixes tag were missing a call to page_pool_release_page() between v5.9 to v5.14, after which is should have used skb_mark_for_recycle(). Since v6.6 the call page_pool_release_page() were removed (in commit 535b9c61 ("net: page_pool: hide page_pool_release_page()") and remaining callers converted (in commit 6bfef2ec ("Merge branch 'net-page_pool-remove-page_pool_release_page'")). This leak became visible in v6.8 via commit dba1b8a7 ("mm/page_pool: catch page_pool memory leaks"). Cc: stable@vger.kernel.org Fixes: 6c5aa6fc ("xen networking: add basic XDP support for xen-netfront") Reported-by:
Leonidas Spyropoulos <artafinde@archlinux.com> Link: https://bugzilla.kernel.org/show_bug.cgi?id=218654Reported-by:
Arthur Borsboom <arthurborsboom@gmail.com> Signed-off-by:
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Krzysztof Kozlowski authored
Emails to Jeff Sipek bounce: Your message to jsipek@vmware.com couldn't be delivered. Recipient is not authorized to accept external mail Status code: 550 5.7.1_ETR Signed-off-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240327081413.306054-1-krzysztof.kozlowski@linaro.orgSigned-off-by:
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William Tu authored
Provide devlink documentation for three eswitch attributes: mode, inline-mode, and encap-mode. Signed-off-by:
William Tu <witu@nvidia.com> Reviewed-by:
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- 28 Mar, 2024 15 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds authored
Pull networking fixes from Paolo Abeni: "Including fixes from bpf, WiFi and netfilter. Current release - regressions: - ipv6: fix address dump when IPv6 is disabled on an interface Current release - new code bugs: - bpf: temporarily disable atomic operations in BPF arena - nexthop: fix uninitialized variable in nla_put_nh_group_stats() Previous releases - regressions: - bpf: protect against int overflow for stack access size - hsr: fix the promiscuous mode in offload mode - wifi: don't always use FW dump trig - tls: adjust recv return with async crypto and failed copy to userspace - tcp: properly terminate timers for kernel sockets - ice: fix memory corruption bug with suspend and rebuild - at803x: fix kernel panic with at8031_probe - qeth: handle deferred cc1 Previous releases - always broken: - bpf: fix bug in BPF_LDX_MEMSX - netfilter: reject table flag and netdev basechain updates - inet_defrag: prevent sk release while still in use - wifi: pick the version of SESSION_PROTECTION_NOTIF - wwan: t7xx: split 64bit accesses to fix alignment issues - mlxbf_gige: call request_irq() after NAPI initialized - hns3: fix kernel crash when devlink reload during pf initialization" * tag 'net-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (81 commits) inet: inet_defrag: prevent sk release while still in use Octeontx2-af: fix pause frame configuration in GMP mode net: lan743x: Add set RFE read fifo threshold for PCI1x1x chips net: bcmasp: Remove phy_{suspend/resume} net: bcmasp: Bring up unimac after PHY link up net: phy: qcom: at803x: fix kernel panic with at8031_probe netfilter: arptables: Select NETFILTER_FAMILY_ARP when building arp_tables.c netfilter: nf_tables: skip netdev hook unregistration if table is dormant netfilter: nf_tables: reject table flag and netdev basechain updates netfilter: nf_tables: reject destroy command to remove basechain hooks bpf: update BPF LSM designated reviewer list bpf: Protect against int overflow for stack access size bpf: Check bloom filter map value size bpf: fix warning for crash_kexec selftests: netdevsim: set test timeout to 10 minutes net: wan: framer: Add missing static inline qualifiers mlxbf_gige: call request_irq() after NAPI initialized tls: get psock ref after taking rxlock to avoid leak selftests: tls: add test with a partially invalid iov tls: adjust recv return with async crypto and failed copy to userspace ... -
Florian Westphal authored
ip_local_out() and other functions can pass skb->sk as function argument. If the skb is a fragment and reassembly happens before such function call returns, the sk must not be released. This affects skb fragments reassembled via netfilter or similar modules, e.g. openvswitch or ct_act.c, when run as part of tx pipeline. Eric Dumazet made an initial analysis of this bug. Quoting Eric: Calling ip_defrag() in output path is also implying skb_orphan(), which is buggy because output path relies on sk not disappearing. A relevant old patch about the issue was : 8282f274 ("inet: frag: Always orphan skbs inside ip_defrag()") [..] net/ipv4/ip_output.c depends on skb->sk being set, and probably to an inet socket, not an arbitrary one. If we orphan the packet in ipvlan, then downstream things like FQ packet scheduler will not work properly. We need to change ip_defrag() to only use skb_orphan() when really needed, ie whenever frag_list is going to be used. Eric suggested to stash sk in fragment queue and made an initial patch. However there is a problem with this: If skb is refragmented again right after, ip_do_fragment() will copy head->sk to the new fragments, and sets up destructor to sock_wfree. IOW, we have no choice but to fix up sk_wmem accouting to reflect the fully reassembled skb, else wmem will underflow. This change moves the orphan down into the core, to last possible moment. As ip_defrag_offset is aliased with sk_buff->sk member, we must move the offset into the FRAG_CB, else skb->sk gets clobbered. This allows to delay the orphaning long enough to learn if the skb has to be queued or if the skb is completing the reasm queue. In the former case, things work as before, skb is orphaned. This is safe because skb gets queued/stolen and won't continue past reasm engine. In the latter case, we will steal the skb->sk reference, reattach it to the head skb, and fix up wmem accouting when inet_frag inflates truesize. Fixes: 7026b1dd ("netfilter: Pass socket pointer down through okfn().") Diagnosed-by:
xingwei lee <xrivendell7@gmail.com> Reported-by:
yue sun <samsun1006219@gmail.com> Reported-by: syzbot+e5167d7144a62715044c@syzkaller.appspotmail.com Signed-off-by:
Florian Westphal <fw@strlen.de> Reviewed-by:
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Hariprasad Kelam authored
The Octeontx2 MAC block (CGX) has separate data paths (SMU and GMP) for different speeds, allowing for efficient data transfer. The previous patch which added pause frame configuration has a bug due to which pause frame feature is not working in GMP mode. This patch fixes the issue by configurating appropriate registers. Fixes: f7e086e7 ("octeontx2-af: Pause frame configuration at cgx") Signed-off-by:
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Raju Lakkaraju authored
PCI11x1x Rev B0 devices might drop packets when receiving back to back frames at 2.5G link speed. Change the B0 Rev device's Receive filtering Engine FIFO threshold parameter from its hardware default of 4 to 3 dwords to prevent the problem. Rev C0 and later hardware already defaults to 3 dwords. Fixes: bb4f6bff ("net: lan743x: Add PCI11010 / PCI11414 device IDs") Signed-off-by:
Raju Lakkaraju <Raju.Lakkaraju@microchip.com> Reviewed-by:
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Paolo Abeni authored
Justin Chen says: ==================== net: bcmasp: phy managements fixes Fix two issues. - The unimac may be put in a bad state if PHY RX clk doesn't exist during reset. Work around this by bringing the unimac out of reset during phy up. - Remove redundant phy_{suspend/resume} ==================== Link: https://lore.kernel.org/r/20240325193025.1540737-1-justin.chen@broadcom.comSigned-off-by: -
Justin Chen authored
phy_{suspend/resume} is redundant. It gets called from phy_{stop/start}. Fixes: 490cb412 ("net: bcmasp: Add support for ASP2.0 Ethernet controller") Signed-off-by:Justin Chen <justin.chen@broadcom.com> Signed-off-by:
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Justin Chen authored
The unimac requires the PHY RX clk during reset or it may be put into a bad state. Bring up the unimac after link up to ensure the PHY RX clk exists. Fixes: 490cb412 ("net: bcmasp: Add support for ASP2.0 Ethernet controller") Signed-off-by:
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Christian Marangi authored
On reworking and splitting the at803x driver, in splitting function of at803x PHYs it was added a NULL dereference bug where priv is referenced before it's actually allocated and then is tried to write to for the is_1000basex and is_fiber variables in the case of at8031, writing on the wrong address. Fix this by correctly setting priv local variable only after at803x_probe is called and actually allocates priv in the phydev struct. Reported-by:
William Wortel <wwortel@dorpstraat.com> Cc: <stable@vger.kernel.org> Fixes: 25d2ba94 ("net: phy: at803x: move specific at8031 probe mode check to dedicated probe") Signed-off-by:
Christian Marangi <ansuelsmth@gmail.com> Reviewed-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nfPaolo Abeni authored
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for net: Patch #1 reject destroy chain command to delete device hooks in netdev family, hence, only delchain commands are allowed. Patch #2 reject table flag update interference with netdev basechain hook updates, this can leave hooks in inconsistent registration/unregistration state. Patch #3 do not unregister netdev basechain hooks if table is dormant. Otherwise, splat with double unregistration is possible. Patch #4 fixes Kconfig to allow to restore IP_NF_ARPTABLES, from Kuniyuki Iwashima. There are a more fixes still in progress on my side that need more work. * tag 'nf-24-03-28' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf: netfilter: arptables: Select NETFILTER_FAMILY_ARP when building arp_tables.c netfilter: nf_tables: skip netdev hook unregistration if table is dormant netfilter: nf_tables: reject table flag and netdev basechain updates netfilter: nf_tables: reject destroy command to remove basechain hooks ==================== Link: https://lore.kernel.org/r/20240328031855.2063-1-pablo@netfilter.orgSigned-off-by: -
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfPaolo Abeni authored
Alexei Starovoitov says: ==================== pull-request: bpf 2024-03-27 The following pull-request contains BPF updates for your *net* tree. We've added 4 non-merge commits during the last 1 day(s) which contain a total of 5 files changed, 26 insertions(+), 3 deletions(-). The main changes are: 1) Fix bloom filter value size validation and protect the verifier against such mistakes, from Andrei. 2) Fix build due to CONFIG_KEXEC_CORE/CRASH_DUMP split, from Hari. 3) Update bpf_lsm maintainers entry, from Matt. * tag 'for-net' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf: update BPF LSM designated reviewer list bpf: Protect against int overflow for stack access size bpf: Check bloom filter map value size bpf: fix warning for crash_kexec ==================== Link: https://lore.kernel.org/r/20240328012938.24249-1-alexei.starovoitov@gmail.comSigned-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofsLinus Torvalds authored
Pull erofs fixes from Gao Xiang: - Add a new reviewer Sandeep Dhavale to build a healthier community - Drop experimental warning for FSDAX * tag 'erofs-for-6.9-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: MAINTAINERS: erofs: add myself as reviewer erofs: drop experimental warning for FSDAX
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Kuniyuki Iwashima authored
syzkaller started to report a warning below [0] after consuming the commit 4654467d ("netfilter: arptables: allow xtables-nft only builds"). The change accidentally removed the dependency on NETFILTER_FAMILY_ARP from IP_NF_ARPTABLES. If NF_TABLES_ARP is not enabled on Kconfig, NETFILTER_FAMILY_ARP will be removed and some code necessary for arptables will not be compiled. $ grep -E "(NETFILTER_FAMILY_ARP|IP_NF_ARPTABLES|NF_TABLES_ARP)" .config CONFIG_NETFILTER_FAMILY_ARP=y # CONFIG_NF_TABLES_ARP is not set CONFIG_IP_NF_ARPTABLES=y $ make olddefconfig $ grep -E "(NETFILTER_FAMILY_ARP|IP_NF_ARPTABLES|NF_TABLES_ARP)" .config # CONFIG_NF_TABLES_ARP is not set CONFIG_IP_NF_ARPTABLES=y So, when nf_register_net_hooks() is called for arptables, it will trigger the splat below. Now IP_NF_ARPTABLES is only enabled by IP_NF_ARPFILTER, so let's restore the dependency on NETFILTER_FAMILY_ARP in IP_NF_ARPFILTER. [0]: WARNING: CPU: 0 PID: 242 at net/netfilter/core.c:316 nf_hook_entry_head+0x1e1/0x2c0 net/netfilter/core.c:316 Modules linked in: CPU: 0 PID: 242 Comm: syz-executor.0 Not tainted 6.8.0-12821-g537c2e91 #10 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 RIP: 0010:nf_hook_entry_head+0x1e1/0x2c0 net/netfilter/core.c:316 Code: 83 fd 04 0f 87 bc 00 00 00 e8 5b 84 83 fd 4d 8d ac ec a8 0b 00 00 e8 4e 84 83 fd 4c 89 e8 5b 5d 41 5c 41 5d c3 e8 3f 84 83 fd <0f> 0b e8 38 84 83 fd 45 31 ed 5b 5d 4c 89 e8 41 5c 41 5d c3 e8 26 RSP: 0018:ffffc90000b8f6e8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff83c42164 RDX: ffff888106851180 RSI: ffffffff83c42321 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 000000000000000a R10: 0000000000000003 R11: ffff8881055c2f00 R12: ffff888112b78000 R13: 0000000000000000 R14: ffff8881055c2f00 R15: ffff8881055c2f00 FS: 00007f377bd78800(0000) GS:ffff88811b000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000496068 CR3: 000000011298b003 CR4: 0000000000770ef0 PKRU: 55555554 Call Trace: <TASK> __nf_register_net_hook+0xcd/0x7a0 net/netfilter/core.c:428 nf_register_net_hook+0x116/0x170 net/netfilter/core.c:578 nf_register_net_hooks+0x5d/0xc0 net/netfilter/core.c:594 arpt_register_table+0x250/0x420 net/ipv4/netfilter/arp_tables.c:1553 arptable_filter_table_init+0x41/0x60 net/ipv4/netfilter/arptable_filter.c:39 xt_find_table_lock+0x2e9/0x4b0 net/netfilter/x_tables.c:1260 xt_request_find_table_lock+0x2b/0xe0 net/netfilter/x_tables.c:1285 get_info+0x169/0x5c0 net/ipv4/netfilter/arp_tables.c:808 do_arpt_get_ctl+0x3f9/0x830 net/ipv4/netfilter/arp_tables.c:1444 nf_getsockopt+0x76/0xd0 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x17d/0x1c0 net/ipv4/ip_sockglue.c:1777 tcp_getsockopt+0x99/0x100 net/ipv4/tcp.c:4373 do_sock_getsockopt+0x279/0x360 net/socket.c:2373 __sys_getsockopt+0x115/0x1e0 net/socket.c:2402 __do_sys_getsockopt net/socket.c:2412 [inline] __se_sys_getsockopt net/socket.c:2409 [inline] __x64_sys_getsockopt+0xbd/0x150 net/socket.c:2409 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x4f/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x46/0x4e RIP: 0033:0x7f377beca6fe Code: 1f 44 00 00 48 8b 15 01 97 0a 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 c9 RSP: 002b:00000000005df728 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004966e0 RCX: 00007f377beca6fe RDX: 0000000000000060 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000042938a R08: 00000000005df73c R09: 00000000005df800 R10: 00000000004966e8 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000496068 R14: 0000000000000003 R15: 00000000004bc9d8 </TASK> Fixes: 4654467d ("netfilter: arptables: allow xtables-nft only builds") Reported-by:
syzkaller <syzkaller@googlegroups.com> Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso authored
Skip hook unregistration when adding or deleting devices from an existing netdev basechain. Otherwise, commit/abort path try to unregister hooks which not enabled. Fixes: b9703ed4 ("netfilter: nf_tables: support for adding new devices to an existing netdev chain") Fixes: 7d937b10 ("netfilter: nf_tables: support for deleting devices in an existing netdev chain") Signed-off-by:
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Pablo Neira Ayuso authored
netdev basechain updates are stored in the transaction object hook list. When setting on the table dormant flag, it iterates over the existing hooks in the basechain. Thus, skipping the hooks that are being added/deleted in this transaction, which leaves hook registration in inconsistent state. Reject table flag updates in combination with netdev basechain updates in the same batch: - Update table flags and add/delete basechain: Check from basechain update path if there are pending flag updates for this table. - add/delete basechain and update table flags: Iterate over the transaction list to search for basechain updates from the table update path. In both cases, the batch is rejected. Based on suggestion from Florian Westphal. Fixes: b9703ed4 ("netfilter: nf_tables: support for adding new devices to an existing netdev chain") Fixes: 7d937b10 ("netfilter: nf_tables: support for deleting devices in an existing netdev chain") Signed-off-by:
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Pablo Neira Ayuso authored
Report EOPNOTSUPP if NFT_MSG_DESTROYCHAIN is used to delete hooks in an existing netdev basechain, thus, only NFT_MSG_DELCHAIN is allowed. Fixes: 7d937b10 ("netfilter: nf_tables: support for deleting devices in an existing netdev chain") Signed-off-by:
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- 27 Mar, 2024 4 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wirelessJakub Kicinski authored
Kalle Valo says: ==================== wireless fixes for v6.9-rc2 The first fixes for v6.9. Ping-Ke Shih now maintains a separate tree for Realtek drivers, document that in the MAINTAINERS. Plenty of fixes for both to stack and iwlwifi. Our kunit tests were working only on um architecture but that's fixed now. * tag 'wireless-2024-03-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless: (21 commits) MAINTAINERS: wifi: mwifiex: add Francesco as reviewer kunit: fix wireless test dependencies wifi: iwlwifi: mvm: include link ID when releasing frames wifi: iwlwifi: mvm: handle debugfs names more carefully wifi: iwlwifi: mvm: guard against invalid STA ID on removal wifi: iwlwifi: read txq->read_ptr under lock wifi: iwlwifi: fw: don't always use FW dump trig wifi: iwlwifi: mvm: rfi: fix potential response leaks wifi: mac80211: correctly set active links upon TTLM wifi: iwlwifi: mvm: Configure the link mapping for non-MLD FW wifi: iwlwifi: mvm: consider having one active link wifi: iwlwifi: mvm: pick the version of SESSION_PROTECTION_NOTIF wifi: mac80211: fix prep_connection error path wifi: cfg80211: fix rdev_dump_mpp() arguments order wifi: iwlwifi: mvm: disable MLO for the time being wifi: cfg80211: add a flag to disable wireless extensions wifi: mac80211: fix ieee80211_bss_*_flags kernel-doc wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes wifi: mac80211: fix mlme_link_id_dbg() MAINTAINERS: wifi: add git tree for Realtek WiFi drivers ... ==================== Link: https://lore.kernel.org/r/20240327191346.1A1EAC433C7@smtp.kernel.orgSigned-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fsLinus Torvalds authored
Pull 9p fixes from Eric Van Hensbergen: "Two of these fix syzbot reported issues, and the other fixes a unused variable in some configurations" * tag '9p-fixes-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: fs/9p: fix uninitialized values during inode evict fs/9p: remove redundant pointer v9ses fs/9p: fix uaf in in v9fs_stat2inode_dotl
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linuxLinus Torvalds authored
Pull btrfs fixes from David Sterba: - fix race when reading extent buffer and 'uptodate' status is missed by one thread (introduced in 6.5) - do additional validation of devices using major:minor numbers - zoned mode fixes: - use zone-aware super block access during scrub - fix use-after-free during device replace (found by KASAN) - also delete zones that are 100% unusable to reclaim space - extent unpinning fixes: - fix extent map leak after error handling - print correct range in error message - error code and message updates * tag 'for-6.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: fix race in read_extent_buffer_pages() btrfs: return accurate error code on open failure in open_fs_devices() btrfs: zoned: don't skip block groups with 100% zone unusable btrfs: use btrfs_warn() to log message at btrfs_add_extent_mapping() btrfs: fix message not properly printing interval when adding extent map btrfs: fix warning messages not printing interval at unpin_extent_range() btrfs: fix extent map leak in unexpected scenario at unpin_extent_cache() btrfs: validate device maj:min during open btrfs: zoned: fix use-after-free in do_zone_finish() btrfs: zoned: use zone aware sb location for scrub -
Linus Torvalds authored
Merge tag 'mm-hotfixes-stable-2024-03-27-11-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "Various hotfixes. About half are cc:stable and the remainder address post-6.8 issues or aren't considered suitable for backporting. zswap figures prominently in the post-6.8 issues - folloup against the large amount of changes we have just made to that code. Apart from that, all over the map" * tag 'mm-hotfixes-stable-2024-03-27-11-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits) crash: use macro to add crashk_res into iomem early for specific arch mm: zswap: fix data loss on SWP_SYNCHRONOUS_IO devices selftests/mm: fix ARM related issue with fork after pthread_create hexagon: vmlinux.lds.S: handle attributes section userfaultfd: fix deadlock warning when locking src and dst VMAs tmpfs: fix race on handling dquot rbtree selftests/mm: sigbus-wp test requires UFFD_FEATURE_WP_HUGETLBFS_SHMEM mm: zswap: fix writeback shinker GFP_NOIO/GFP_NOFS recursion ARM: prctl: reject PR_SET_MDWE on pre-ARMv6 prctl: generalize PR_SET_MDWE support check to be per-arch MAINTAINERS: remove incorrect M: tag for dm-devel@lists.linux.dev mm: zswap: fix kernel BUG in sg_init_one selftests: mm: restore settings from only parent process tools/Makefile: remove cgroup target mm: cachestat: fix two shmem bugs mm: increase folio batch size mm,page_owner: fix recursion mailmap: update entry for Leonard Crestez init: open /initrd.image with O_LARGEFILE selftests/mm: Fix build with _FORTIFY_SOURCE ...
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