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| 🐞 Open [1159] 🐞 Fixed [4315] 🐞 Invalid [9651] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| linux-4.14 | INFO: task hung in fuse_lookup | 4 | 1218d | 1371d | 0/1 | auto-closed as invalid on 2020/01/29 21:30 | |||
| linux-4.19 | INFO: task hung in fuse_lookup reiserfs | C | error | 11 | 20d | 1267d | 0/1 | upstream: reported C repro on 2019/08/14 05:24 | |
| linux-4.14 | INFO: task hung in fuse_lookup (3) | 1 | 382d | 382d | 0/1 | auto-closed as invalid on 2022/05/15 00:47 | |||
| linux-4.14 | INFO: task hung in fuse_lookup (4) reiserfs | C | 2 | 25d | 50d | 0/1 | upstream: reported C repro on 2022/12/13 09:09 | ||
| linux-4.14 | INFO: task hung in fuse_lookup (2) | 1 | 1052d | 1052d | 0/1 | auto-closed as invalid on 2020/07/13 23:30 | |||
| upstream | INFO: task hung in fuse_lookup | 16 | 1611d | 1663d | 0/24 | closed as invalid on 2018/09/05 12:51 | |||
| android-49 | INFO: task hung in fuse_lookup | C | 112 | 1180d | 1392d | 0/3 | public: reported C repro on 2019/04/11 08:44 | ||
| upstream | INFO: task hung in fuse_lookup (2) | C | 13 | 1445d | 1605d | 0/24 | closed as dup on 2018/09/10 08:43 |
INFO: task cron:9900 blocked for more than 143 seconds.
Not tainted 5.3.0-rc4+ #108
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
cron D25064 9900 1 0x00000000
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092
fuse_lock_inode+0xba/0xf0 fs/fuse/inode.c:362
fuse_lookup+0x8e/0x360 fs/fuse/dir.c:335
__lookup_slow+0x279/0x500 fs/namei.c:1669
lookup_slow+0x58/0x80 fs/namei.c:1686
walk_component+0x747/0x2000 fs/namei.c:1808
link_path_walk.part.0+0x9a4/0x1340 fs/namei.c:2139
link_path_walk fs/namei.c:2267 [inline]
path_lookupat.isra.0+0xe3/0x8d0 fs/namei.c:2315
filename_lookup+0x1b0/0x410 fs/namei.c:2346
user_path_at_empty+0x43/0x50 fs/namei.c:2606
user_path_at include/linux/namei.h:60 [inline]
vfs_statx+0x129/0x200 fs/stat.c:187
vfs_stat include/linux/fs.h:3188 [inline]
__do_sys_newstat+0xa4/0x130 fs/stat.c:341
__se_sys_newstat fs/stat.c:337 [inline]
__x64_sys_newstat+0x54/0x80 fs/stat.c:337
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f5beb7e8c65
Code: Bad RIP value.
RSP: 002b:00007fffecf5a5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007f5beb866aa4 RCX: 00007f5beb7e8c65
RDX: 00007fffecf5a610 RSI: 00007fffecf5a610 RDI: 00007f5beb866aa4
RBP: 00007fffecf5a710 R08: 0000000001013240 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 000000000000002f R15: 0000000000000000
INFO: task syz-executor385:9979 blocked for more than 143 seconds.
Not tainted 5.3.0-rc4+ #108
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor385 D28336 9979 9977 0x00000000
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092
fuse_lock_inode+0xba/0xf0 fs/fuse/inode.c:362
fuse_lookup+0x8e/0x360 fs/fuse/dir.c:335
__lookup_slow+0x279/0x500 fs/namei.c:1669
lookup_slow+0x58/0x80 fs/namei.c:1686
walk_component+0x747/0x2000 fs/namei.c:1808
link_path_walk.part.0+0x9a4/0x1340 fs/namei.c:2139
link_path_walk fs/namei.c:2070 [inline]
path_openat+0x202/0x4630 fs/namei.c:3532
do_filp_open+0x1a1/0x280 fs/namei.c:3563
do_sys_open+0x3fe/0x5d0 fs/open.c:1089
__do_sys_open fs/open.c:1107 [inline]
__se_sys_open fs/open.c:1102 [inline]
__x64_sys_open+0x7e/0xc0 fs/open.c:1102
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x444ca0
Code: 31 c0 e9 45 ff ff ff 0f 1f 00 80 3f 00 0f 84 f7 00 00 00 55 53 b9 02 00 00 00 be 00 08 09 00 89 c8 48 81 ec 98 00 00 00 0f 05 <48> 3d 00 f0 ff ff 48 89 c3 0f 87 e9 00 00 00 85 db 0f 88 2f 01 00
RSP: 002b:00007ffd34cf7ce0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444ca0
RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004ae91e
RBP: 0000000000002700 R08: 00000000000026fb R09: 00005555557cf880
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd34cf7f10
R13: 00000000004075d0 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor385:9984 blocked for more than 144 seconds.
Not tainted 5.3.0-rc4+ #108
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor385 D28336 9984 9979 0x00000004
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092
fuse_lock_inode+0xba/0xf0 fs/fuse/inode.c:362
fuse_lookup+0x8e/0x360 fs/fuse/dir.c:335
__lookup_slow+0x279/0x500 fs/namei.c:1669
lookup_slow+0x58/0x80 fs/namei.c:1686
walk_component+0x747/0x2000 fs/namei.c:1808
link_path_walk.part.0+0x9a4/0x1340 fs/namei.c:2139
link_path_walk fs/namei.c:2070 [inline]
path_openat+0x202/0x4630 fs/namei.c:3532
do_filp_open+0x1a1/0x280 fs/namei.c:3563
do_sys_open+0x3fe/0x5d0 fs/open.c:1089
__do_sys_open fs/open.c:1107 [inline]
__se_sys_open fs/open.c:1102 [inline]
__x64_sys_open+0x7e/0xc0 fs/open.c:1102
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x405810
Code: 01 f0 ff ff 0f 83 d0 18 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 1d c3 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 a4 18 00 00 c3 48 83 ec 08 e8 0a fc ff ff
RSP: 002b:00007ffd34cf79e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ffd34cf7a14 RCX: 0000000000405810
RDX: 00007ffd34cf7a1a RSI: 0000000000080001 RDI: 00000000004ae93c
RBP: 00007ffd34cf7a10 R08: 0000000000000000 R09: 0000000000000004
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000407540
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc4+ #108
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
watchdog+0x9d0/0xef0 kernel/hung_task.c:289
kthread+0x361/0x430 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60
| Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ci-upstream-kasan-gce-root | 2019/08/14 05:38 | upstream | ee1c7bd33e66 | ef801a3e | .config | console log | report | syz | C | |||
| ci-upstream-kasan-gce-smack-root | 2019/08/14 04:14 | upstream | ee1c7bd33e66 | ef801a3e | .config | console log | report | syz | C | |||
| ci-upstream-kasan-gce-selinux-root | 2019/08/14 02:35 | upstream | ee1c7bd33e66 | ef801a3e | .config | console log | report | syz | C | |||
| ci2-upstream-fs | 2023/01/01 03:28 | upstream | c8451c141e07 | ab32d508 | .config | strace log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | INFO: task hung in fuse_lookup | ||
| ci-upstream-gce-arm64 | 2022/12/29 19:46 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | a5541c0811a0 | 44712fbc | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | INFO: task hung in fuse_lookup | ||
| ci2-upstream-fs | 2022/12/12 14:20 | upstream | 4cee37b3a4e6 | 67be1ae7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | INFO: task hung in fuse_lookup | ||
| ci2-upstream-fs | 2022/10/31 01:24 | upstream | b229b6ca5abb | 2a71366b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | INFO: task hung in fuse_lookup | ||
| ci-upstream-kasan-gce-selinux-root | 2022/09/18 15:20 | upstream | a335366bad13 | dd9a85ff | .config | console log | report | info | INFO: task hung in fuse_lookup | |||
| ci-upstream-kasan-gce-smack-root | 2022/08/15 08:52 | upstream | 7ebfc85e2cd7 | 8dfcaa3d | .config | console log | report | info | INFO: task hung in fuse_lookup | |||
| ci-upstream-kasan-gce-root | 2022/08/12 04:40 | upstream | 7ebfc85e2cd7 | 402cd70d | .config | console log | report | info | INFO: task hung in fuse_lookup | |||
| ci-upstream-kasan-gce-root | 2022/01/27 09:31 | upstream | 0280e3c58f92 | 2cbffd88 | .config | console log | report | info | INFO: task hung in fuse_lookup | |||
| ci-upstream-kasan-gce-selinux-root | 2021/10/02 17:54 | upstream | 53d5fc89d66a | db0f5787 | .config | console log | report | info | INFO: task hung in fuse_lookup | |||
| ci-upstream-linux-next-kasan-gce-root | 2022/01/13 12:21 | linux-next | 27c9d5b3c24a | 44d1319a | .config | console log | report | info | INFO: task hung in fuse_lookup | |||
| ci-upstream-kasan-gce-selinux-root | 2021/01/14 21:40 | upstream | 65f0d2414b70 | 65a7a854 | .config | console log | report | info | ||||
| ci-upstream-kasan-gce-root | 2021/01/14 21:29 | upstream | 65f0d2414b70 | 65a7a854 | .config | console log | report | info | ||||
| ci-upstream-kasan-gce | 2021/01/14 21:28 | upstream | 65f0d2414b70 | 65a7a854 | .config | console log | report | info | ||||
| ci-upstream-kasan-gce-selinux-root | 2020/02/23 06:34 | upstream | 54dedb5b571d | 2c36e7a7 | .config | console log | report | |||||
| ci-upstream-kasan-gce-selinux-root | 2019/04/05 20:58 | upstream | ea2cec24c8d4 | 40f2363e | .config | console log | report | |||||
| ci-upstream-kasan-gce-root | 2019/03/25 12:04 | upstream | 8c2ffd917477 | 2c86e0a5 | .config | console log | report | |||||
| ci-upstream-kasan-gce-root | 2019/03/22 15:25 | upstream | 0939221e6468 | dce6e62f | .config | console log | report | |||||
| ci-upstream-kasan-gce-selinux-root | 2019/03/20 03:42 | upstream | b7a42146dca3 | 2458c1c6 | .config | console log | report | |||||
| ci-upstream-kasan-gce-selinux-root | 2019/03/19 17:14 | upstream | 9e98c678c2d6 | e4549234 | .config | console log | report | |||||
| ci-upstream-kasan-gce-root | 2019/03/18 18:47 | upstream | 9e98c678c2d6 | 4656beca | .config | console log | report | |||||
| ci-upstream-kasan-gce-selinux-root | 2019/03/02 20:03 | upstream | c93d9218ea56 | 1c0e457a | .config | console log | report | |||||
| ci-upstream-linux-next-kasan-gce-root | 2019/12/23 21:57 | linux-next | 7ddd09fc4b74 | be5c2c81 | .config | console log | report | |||||
| ci-upstream-linux-next-kasan-gce-root | 2019/03/17 04:58 | linux-next | cf08baa29613 | bab43553 | .config | console log | report |