- 20 Apr, 2019 28 commits
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Changbin Du authored
[ Upstream commit 9b40dff7 ] The option 'sort-order' should be 'sort_order'. Signed-off-by: Changbin Du <changbin.du@gmail.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Milian Wolff <milian.wolff@kdab.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Fixes: 893c5c79 ("perf config: Show default report configuration in example and docs") Link: http://lkml.kernel.org/r/20190316080556.3075-5-changbin.du@gmail.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Changbin Du authored
[ Upstream commit 39df730b ] Detected via gcc's ASan: Direct leak of 2048 byte(s) in 64 object(s) allocated from: 6 #0 0x7f606512e370 in __interceptor_realloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0xee370) 7 #1 0x556b0f1d7ddd in thread_map__realloc util/thread_map.c:43 8 #2 0x556b0f1d84c7 in thread_map__new_by_tid util/thread_map.c:85 9 #3 0x556b0f0e045e in is_event_supported util/parse-events.c:2250 10 #4 0x556b0f0e1aa1 in print_hwcache_events util/parse-events.c:2382 11 #5 0x556b0f0e3231 in print_events util/parse-events.c:2514 12 #6 0x556b0ee0a66e in cmd_list /home/changbin/work/linux/tools/perf/builtin-list.c:58 13 #7 0x556b0f01e0ae in run_builtin /home/changbin/work/linux/tools/perf/perf.c:302 14 #8 0x556b0f01e859 in handle_internal_command /home/changbin/work/linux/tools/perf/perf.c:354 15 #9 0x556b0f01edc8 in run_argv /home/changbin/work/linux/tools/perf/perf.c:398 16 #10 0x556b0f01f71f in main /home/changbin/work/linux/tools/perf/perf.c:520 17 #11 0x7f6062ccf09a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a) Signed-off-by: Changbin Du <changbin.du@gmail.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Fixes: 89896051 ("perf tools: Do not put a variable sized type not at the end of a struct") Link: http://lkml.kernel.org/r/20190316080556.3075-3-changbin.du@gmail.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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David Arcari authored
[ Upstream commit 2a954966 ] turbostat failed to return a non-zero exit status even though the supplied command (turbostat <command>) failed. Currently when turbostat forks a command it returns zero instead of the actual exit status of the command. Modify the code to return the exit status. Signed-off-by: David Arcari <darcari@redhat.com> Acked-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Matteo Croce authored
[ Upstream commit a3151724 ] Since commit: ad67b74d ("printk: hash addresses printed with %p") at boot "____ptrval____" is printed instead of actual addresses: found SMP MP-table at [mem 0x000f5cc0-0x000f5ccf] mapped at [(____ptrval____)] Instead of changing the print to "%px", and leaking a kernel addresses, just remove the print completely, like in: 071929db ("arm64: Stop printing the virtual memory layout"). Signed-off-by: Matteo Croce <mcroce@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Konstantin Khlebnikov authored
[ Upstream commit 4c47acd8 ] Add limit into sscanf format string for on-stack buffer. Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Tejun Heo <tj@kernel.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Li Zefan <lizefan@huawei.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@surriel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: 0d593634 ("sched: Implement interface for cgroup unified hierarchy") Link: https://lkml.kernel.org/r/155189230232.2620.13120481613524200065.stgit@buzzSigned-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Peter Zijlstra authored
[ Upstream commit a23314e9 ] Vincent Wang reported that get_next_freq() has a mult overflow bug on 32-bit platforms in the IOWAIT boost case, since in that case {util,max} are in freq units instead of capacity units. Solve this by moving the IOWAIT boost to capacity units. And since this means @max is constant; simplify the code. Reported-by: Vincent Wang <vincent.wang@unisoc.com> Tested-by: Vincent Wang <vincent.wang@unisoc.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Quentin Perret <quentin.perret@arm.com> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Rik van Riel <riel@surriel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20190305083202.GU32494@hirez.programming.kicks-ass.netSigned-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Maurizio Lombardi authored
[ Upstream commit 165aa2bf ] In some cases, the iscsi_remove_session() function is called while an unbind_work operation is still running. This may cause a situation where sysfs objects are removed in an incorrect order, triggering a kernel warning. [ 605.249442] ------------[ cut here ]------------ [ 605.259180] sysfs group 'power' not found for kobject 'target2:0:0' [ 605.321371] WARNING: CPU: 1 PID: 26794 at fs/sysfs/group.c:235 sysfs_remove_group+0x76/0x80 [ 605.341266] Modules linked in: dm_service_time target_core_user target_core_pscsi target_core_file target_core_iblock iscsi_target_mod target_core_mod nls_utf8 isofs ppdev bochs_drm nfit ttm libnvdimm drm_kms_helper syscopyarea sysfillrect sysimgblt joydev pcspkr fb_sys_fops drm i2c_piix4 sg parport_pc parport xfs libcrc32c dm_multipath sr_mod sd_mod cdrom ata_generic 8021q garp mrp ata_piix stp crct10dif_pclmul crc32_pclmul llc libata crc32c_intel virtio_net net_failover ghash_clmulni_intel serio_raw failover sunrpc dm_mirror dm_region_hash dm_log dm_mod be2iscsi bnx2i cnic uio cxgb4i cxgb4 libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi [ 605.627479] CPU: 1 PID: 26794 Comm: kworker/u32:2 Not tainted 4.18.0-60.el8.x86_64 #1 [ 605.721401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20180724_192412-buildhw-07.phx2.fedoraproject.org-1.fc29 04/01/2014 [ 605.823651] Workqueue: scsi_wq_2 __iscsi_unbind_session [scsi_transport_iscsi] [ 605.830940] RIP: 0010:sysfs_remove_group+0x76/0x80 [ 605.922907] Code: 48 89 df 5b 5d 41 5c e9 38 c4 ff ff 48 89 df e8 e0 bf ff ff eb cb 49 8b 14 24 48 8b 75 00 48 c7 c7 38 73 cb a7 e8 24 77 d7 ff <0f> 0b 5b 5d 41 5c c3 0f 1f 00 0f 1f 44 00 00 41 56 41 55 41 54 55 [ 606.122304] RSP: 0018:ffffbadcc8d1bda8 EFLAGS: 00010286 [ 606.218492] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 606.326381] RDX: ffff98bdfe85eb40 RSI: ffff98bdfe856818 RDI: ffff98bdfe856818 [ 606.514498] RBP: ffffffffa7ab73e0 R08: 0000000000000268 R09: 0000000000000007 [ 606.529469] R10: 0000000000000000 R11: ffffffffa860d9ad R12: ffff98bdf978e838 [ 606.630535] R13: ffff98bdc2cd4010 R14: ffff98bdc2cd3ff0 R15: ffff98bdc2cd4000 [ 606.824707] FS: 0000000000000000(0000) GS:ffff98bdfe840000(0000) knlGS:0000000000000000 [ 607.018333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 607.117844] CR2: 00007f84b78ac024 CR3: 000000002c00a003 CR4: 00000000003606e0 [ 607.117844] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 607.420926] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 607.524236] Call Trace: [ 607.530591] device_del+0x56/0x350 [ 607.624393] ? ata_tlink_match+0x30/0x30 [libata] [ 607.727805] ? attribute_container_device_trigger+0xb4/0xf0 [ 607.829911] scsi_target_reap_ref_release+0x39/0x50 [ 607.928572] scsi_remove_target+0x1a2/0x1d0 [ 608.017350] __iscsi_unbind_session+0xb3/0x160 [scsi_transport_iscsi] [ 608.117435] process_one_work+0x1a7/0x360 [ 608.132917] worker_thread+0x30/0x390 [ 608.222900] ? pwq_unbound_release_workfn+0xd0/0xd0 [ 608.323989] kthread+0x112/0x130 [ 608.418318] ? kthread_bind+0x30/0x30 [ 608.513821] ret_from_fork+0x35/0x40 [ 608.613909] ---[ end trace 0b98c310c8a6138c ]--- Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Acked-by: Chris Leech <cleech@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Zhang Rui authored
[ Upstream commit e925b5be ] kthread name only allows 15 characters (TASK_COMMON_LEN is 16). Thus rename the kthreads created by intel_powerclamp driver from "kidle_inject/ + decimal cpuid" to "kidle_inj/ + decimal cpuid" to avoid truncated kthead name for cpu 100 and later. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Matthew Garrett authored
[ Upstream commit 396ee4d0 ] int3400 only pushes the UUID into the firmware when the mode is flipped to "enable". The current code only exposes the mode flag if the firmware supports the PASSIVE_1 UUID, which not all machines do. Remove the restriction. Signed-off-by: Matthew Garrett <mjg59@google.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Matthew Garrett authored
[ Upstream commit 16fc8eca ] Add more supported DPTF policies than the driver currently exposes. Signed-off-by: Matthew Garrett <mjg59@google.com> Cc: Nisha Aram <nisha.aram@intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Phil Elwell authored
[ Upstream commit 35122495 ] "cat /sys/kernel/debug/bcm2835_thermal/regset" causes a NULL pointer dereference in bcm2835_thermal_debugfs. The driver makes use of the implementation details of the thermal framework to retrieve a pointer to its private data from a struct thermal_zone_device, and gets it wrong - leading to the crash. Instead, store its private data as the drvdata and retrieve the thermal_zone_device pointer from it. Fixes: bcb7dd9e ("thermal: bcm2835: add thermal driver for bcm2835 SoC") Signed-off-by: Phil Elwell <phil@raspberrypi.org> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Marek Szyprowski authored
[ Upstream commit 3b5236cc ] Merge commit 19785cf9 ("Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal") broke the code introduced by commit ffe6e16f ("thermal: exynos: Reduce severity of too early temperature read"). Restore the original code from the mentioned commit to finally fix the warning message during boot: thermal thermal_zone0: failed to read out thermal zone (-22) Reported-by: Marian Mihailescu <mihailescu2m@gmail.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Fixes: 19785cf9 ("Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal") Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Luc Van Oostenryck authored
[ Upstream commit aa36e361 ] This variable is declared as: static struct powerclamp_worker_data * __percpu worker_data; In other words, a percpu pointer to struct ... But this variable not used like so but as a pointer to a percpu struct powerclamp_worker_data. So fix the declaration as: static struct powerclamp_worker_data __percpu *worker_data; This also quiets Sparse's warnings from __verify_pcpu_ptr(), like: 494:49: warning: incorrect type in initializer (different address spaces) 494:49: expected void const [noderef] <asn:3> *__vpp_verify 494:49: got struct powerclamp_worker_data * Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Colin Ian King authored
[ Upstream commit b4748e7a ] The function snd_opl3_drum_switch declaration in the header file has the order of the two arguments on_off and vel swapped when compared to the definition arguments of vel and on_off. Fix this by swapping them around to match the definition. This error predates the git history, so no idea when this error was introduced. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Arnd Bergmann authored
[ Upstream commit 9ce58dd7 ] Building with clang finds a mistaken __init tag: WARNING: vmlinux.o(.text+0x5e4250): Section mismatch in reference from the function davinci_mmcsd_probe() to the function .init.text:init_mmcsd_host() The function davinci_mmcsd_probe() references the function __init init_mmcsd_host(). This is often because davinci_mmcsd_probe lacks a __init annotation or the annotation of init_mmcsd_host is wrong. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Wolfram Sang <wsa@the-dreams.de> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Feng Tang authored
[ Upstream commit ec4fe4bc ] There is a panic reported that on a system with x722 ethernet, when doing the operations like: # ip link add br0 type bridge # ip link set eno1 master br0 # systemctl restart systemd-networkd The system will panic "BUG: unable to handle kernel null pointer dereference at 0000000000000034", with call chain: i40iw_inetaddr_event notifier_call_chain blocking_notifier_call_chain notifier_call_chain __inet_del_ifa inet_rtm_deladdr rtnetlink_rcv_msg netlink_rcv_skb rtnetlink_rcv netlink_unicast netlink_sendmsg sock_sendmsg __sys_sendto It is caused by "local_ipaddr = ntohl(in->ifa_list->ifa_address)", while the in->ifa_list is NULL. So add a check for the "in->ifa_list == NULL" case, and skip the ARP operation accordingly. Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Jack Morgenstein authored
[ Upstream commit 587443e7 ] Code review revealed a race condition which could allow the catas error flow to interrupt the alias guid query post mechanism at random points. Thiis is fixed by doing cancel_delayed_work_sync() instead of cancel_delayed_work() during the alias guid mechanism destroy flow. Fixes: a0c64a17 ("mlx4: Add alias_guid mechanism") Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Dave Airlie authored
[ Upstream commit 8f3b4876 ] When Daniel removed struct_mutex he didn't fix this call to the unlocked variant which is required since we no longer use struct mutex. This fixes a bunch of: WARNING: CPU: 4 PID: 1370 at drivers/gpu/drm/drm_gem.c:931 drm_gem_object_put+0x2b/0x30 [drm] Modules linked in: udl xt_CHECKSUM ipt_MASQUERADE tun bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t> CPU: 4 PID: 1370 Comm: Xorg Not tainted 5.0.0+ #2 backtraces when you plug in a udl device. Fixes: ae358dac (drm/udl: Get rid of dev->struct_mutex usage) Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Sean Paul <seanpaul@chromium.org> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Andy Shevchenko authored
[ Upstream commit 41c8d0ad ] We have to free on ->remove() the allocated resources on ->probe(). Fixes: d47d8836 ("auxdisplay: Add HD44780 Character LCD support") Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Kangjie Lu authored
[ Upstream commit dcd0feac ] In case request_region fails, the fix returns an error code to avoid NULL pointer dereference. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Kangjie Lu authored
[ Upstream commit 6ade657d ] In case ioremap_nocache fails, the fix releases chip and returns an error code upstream to avoid NULL pointer dereference. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Lukas Czerner authored
[ Upstream commit 6c732840 ] Currently when the file system resize using ext4_resize_fs() fails it will report into log that "resized filesystem to <requested block count>". However this may not be true in the case of failure. Use the current block count as returned by ext4_blocks_count() to report the block count. Additionally, report a warning that "error occurred during file system resize" Signed-off-by: Lukas Czerner <lczerner@redhat.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Lukas Czerner authored
[ Upstream commit d64264d6 ] Currently in add_new_gdb_meta_bg() there is a missing brelse of gdb_bh in case ext4_journal_get_write_access() fails. Additionally kvfree() is missing in the same error path. Fix it by moving the ext4_journal_get_write_access() before the ext4 sb update as Ted suggested and release n_group_desc and gdb_bh in case it fails. Fixes: 61a9c11e ("ext4: add missing brelse() add_new_gdb_meta_bg()'s error path") Signed-off-by: Lukas Czerner <lczerner@redhat.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Jan Kara authored
[ Upstream commit 1dc1097f ] When admin calls "reboot -f" - i.e., does a hard system reboot by directly calling reboot(2) - ext4 filesystem mounted with errors=panic can panic the system. This happens because the underlying device gets disabled without unmounting the filesystem and thus some syscall running in parallel to reboot(2) can result in the filesystem getting IO errors. This is somewhat surprising to the users so try improve the behavior by switching to errors=remount-ro behavior when the system is running reboot(2). Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Stephane Eranian authored
[ Upstream commit d9c1bb2f ] On mmap(), perf_events generates a RECORD_MMAP record and then checks which events are interested in this record. There are currently 2 versions of mmap records: RECORD_MMAP and RECORD_MMAP2. MMAP2 is larger. The event configuration controls which version the user level tool accepts. If the event->attr.mmap2=1 field then MMAP2 record is returned. The perf_event_mmap_output() takes care of this. It checks attr->mmap2 and corrects the record fields before putting it in the sampling buffer of the event. At the end the function restores the modified MMAP record fields. The problem is that the function restores the size but not the type. Thus, if a subsequent event only accepts MMAP type, then it would instead receive an MMAP2 record with a size of MMAP record. This patch fixes the problem by restoring the record type on exit. Signed-off-by: Stephane Eranian <eranian@google.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kan Liang <kan.liang@linux.intel.com> Fixes: 13d7a241 ("perf: Add attr->mmap2 attribute to an event") Link: http://lkml.kernel.org/r/20190307185233.225521-1-eranian@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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ZhangXiaoxu authored
[ Upstream commit 62c9d267 ] Commit 4d97f7d5 ("inotify: Add flag IN_MASK_CREATE for inotify_add_watch()") forgot to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark() Fixes: 4d97f7d5 ("inotify: Add flag IN_MASK_CREATE for inotify_add_watch()") Signed-off-by: ZhangXiaoxu <zhangxiaoxu5@huawei.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Corentin Labbe authored
[ Upstream commit 0728aeb7 ] We have now a HSDK device in our kernelci lab, but kernel builded via the hsdk_defconfig lacks ramfs supports, so it cannot boot kernelci jobs yet. So this patch enable CONFIG_BLK_DEV_RAM in hsdk_defconfig. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Acked-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Eugeniy Paltsev authored
[ Upstream commit edb64bca ] In case of devboards we really often disable bootloader and load Linux image in memory via JTAG. Even if kernel tries to verify uboot_tag and uboot_arg there is sill a chance that we treat some garbage in registers as valid u-boot arguments in JTAG case. E.g. it is enough to have '1' in r0 to treat any value in r2 as a boot command line. So check that magic number passed from u-boot is correct and drop u-boot arguments otherwise. That helps to reduce the possibility of using garbage as u-boot arguments in JTAG case. We can safely check U-boot magic value (0x0) in linux passed via r1 register as U-boot pass it from the beginning. So there is no backward-compatibility issues. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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- 17 Apr, 2019 12 commits
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Greg Kroah-Hartman authored
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Marc Orr authored
commit c73f4c99 upstream. Referring to the "VIRTUALIZING MSR-BASED APIC ACCESSES" chapter of the SDM, when "virtualize x2APIC mode" is 1 and "APIC-register virtualization" is 0, a RDMSR of 808H should return the VTPR from the virtual APIC page. However, for nested, KVM currently fails to disable the read intercept for this MSR. This means that a RDMSR exit takes precedence over "virtualize x2APIC mode", and KVM passes through L1's TPR to L2, instead of sourcing the value from L2's virtual APIC page. This patch fixes the issue by disabling the read intercept, in VMCS02, for the VTPR when "APIC-register virtualization" is 0. The issue described above and fix prescribed here, were verified with a related patch in kvm-unit-tests titled "Test VMX's virtualize x2APIC mode w/ nested". Signed-off-by: Marc Orr <marcorr@google.com> Reviewed-by: Jim Mattson <jmattson@google.com> Fixes: c992384b ("KVM: vmx: speed up MSR bitmap merge") Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Marc Orr authored
commit acff7847 upstream. The nested_vmx_prepare_msr_bitmap() function doesn't directly guard the x2APIC MSR intercepts with the "virtualize x2APIC mode" MSR. As a result, we discovered the potential for a buggy or malicious L1 to get access to L0's x2APIC MSRs, via an L2, as follows. 1. L1 executes WRMSR(IA32_SPEC_CTRL, 1). This causes the spec_ctrl variable, in nested_vmx_prepare_msr_bitmap() to become true. 2. L1 disables "virtualize x2APIC mode" in VMCS12. 3. L1 enables "APIC-register virtualization" in VMCS12. Now, KVM will set VMCS02's x2APIC MSR intercepts from VMCS12, and then set "virtualize x2APIC mode" to 0 in VMCS02. Oops. This patch closes the leak by explicitly guarding VMCS02's x2APIC MSR intercepts with VMCS12's "virtualize x2APIC mode" control. The scenario outlined above and fix prescribed here, were verified with a related patch in kvm-unit-tests titled "Add leak scenario to virt_x2apic_mode_test". Note, it looks like this issue may have been introduced inadvertently during a merge---see 15303ba5. Signed-off-by: Marc Orr <marcorr@google.com> Reviewed-by: Jim Mattson <jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Erik Schmauss authored
commit 4abb951b upstream. The table load process omitted adding the operation region address range to the global list. This omission is problematic because the OS queries the global list to check for address range conflicts before deciding which drivers to load. This commit may result in warning messages that look like the following: [ 7.871761] ACPI Warning: system_IO range 0x00000428-0x0000042F conflicts with op_region 0x00000400-0x0000047F (\PMIO) (20180531/utaddress-213) [ 7.871769] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver However, these messages do not signify regressions. It is a result of properly adding address ranges within the global address list. Link: https://bugzilla.kernel.org/show_bug.cgi?id=200011Tested-by: Jean-Marc Lenoir <archlinux@jihemel.com> Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Cc: All applicable <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tomohiro Mayama authored
commit a8772e5d upstream. This patch makes USB ports functioning again. Fixes: 955bebde ("arm64: dts: rockchip: add rk3328-rock64 board") Cc: stable@vger.kernel.org Suggested-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Tomohiro Mayama <parly-gh@iris.mystia.org> Tested-by: Katsuhiro Suzuki <katsuhiro@katsuster.net> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Katsuhiro Suzuki authored
commit ef05bcb6 upstream. This patch fixes pin assign of vcc_host1_5v. This regulator is controlled by USB20_HOST_DRV signal. ROCK64 schematic says that GPIO0_A2 pin is used as USB20_HOST_DRV. GPIO0_D3 pin is for SPDIF_TX_M0. Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Mikulas Patocka authored
commit 4ed319c6 upstream. dm-integrity will deadlock if overlapping I/O is issued to it, the bug was introduced by commit 724376a0 ("dm integrity: implement fair range locks"). Users rarely use overlapping I/O so this bug went undetected until now. Fix this bug by correcting, likely cut-n-paste, typos in ranges_overlap() and also remove a flawed ranges_overlap() check in remove_range_unlocked(). This condition could leave unprocessed bios hanging on wait_list forever. Cc: stable@vger.kernel.org # v4.19+ Fixes: 724376a0 ("dm integrity: implement fair range locks") Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Ilya Dryomov authored
commit eb40c0ac upstream. Some devices don't use blk_integrity but still want stable pages because they do their own checksumming. Examples include rbd and iSCSI when data digests are negotiated. Stacking DM (and thus LVM) on top of these devices results in sporadic checksum errors. Set BDI_CAP_STABLE_WRITES if any underlying device has it set. Cc: stable@vger.kernel.org Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Mikulas Patocka authored
commit 75ae1936 upstream. The limit was already incorporated to dm-crypt with commit 4e870e94 ("dm crypt: fix error with too large bios"), so we don't need to apply it globally to all targets. The quantity BIO_MAX_PAGES * PAGE_SIZE is wrong anyway because the variable ti->max_io_len it is supposed to be in the units of 512-byte sectors not in bytes. Reduction of the limit to 1048576 sectors could even cause data corruption in rare cases - suppose that we have a dm-striped device with stripe size 768MiB. The target will call dm_set_target_max_io_len with the value 1572864. The buggy code would reduce it to 1048576. Now, the dm-core will errorneously split the bios on 1048576-sector boundary insetad of 1572864-sector boundary and pass these stripe-crossing bios to the striped target. Cc: stable@vger.kernel.org # v4.16+ Fixes: 8f50e358 ("dm: limit the max bio size as BIO_MAX_PAGES * PAGE_SIZE") Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Acked-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Mikulas Patocka authored
commit 0d74e6a3 upstream. If the string opt_string is small, the function memcmp can access bytes that are beyond the terminating nul character. In theory, it could cause segfault, if opt_string were located just below some unmapped memory. Change from memcmp to strncmp so that we don't read bytes beyond the end of the string. Cc: stable@vger.kernel.org # v4.12+ Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sergey Miroshnichenko authored
commit 3943af9d upstream. During a safe hot remove, the OS powers off the slot, which may cause a Data Link Layer State Changed event. The slot has already been set to OFF_STATE, so that event results in re-enabling the device, making it impossible to safely remove it. Clear out the Presence Detect Changed and Data Link Layer State Changed events when the disabled slot has settled down. It is still possible to re-enable the device if it remains in the slot after pressing the Attention Button by pressing it again. Fixes the problem that Micah reported below: an NVMe drive power button may not actually turn off the drive. Link: https://bugzilla.kernel.org/show_bug.cgi?id=203237Reported-by: Micah Parrish <micah.parrish@hpe.com> Tested-by: Micah Parrish <micah.parrish@hpe.com> Signed-off-by: Sergey Miroshnichenko <s.miroshnichenko@yadro.com> [bhelgaas: changelog, add bugzilla URL] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Lukas Wunner <lukas@wunner.de> Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Andre Przywara authored
commit 9cde402a upstream. There is a Marvell 88SE9170 PCIe SATA controller I found on a board here. Some quick testing with the ARM SMMU enabled reveals that it suffers from the same requester ID mixup problems as the other Marvell chips listed already. Add the PCI vendor/device ID to the list of chips which need the workaround. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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