syzbot


INFO: task hung in bdev_open

Status: upstream: reported on 2024/05/28 04:10
Subsystems: block
[Documentation on labels]
Reported-by: syzbot+5c6179f2c4f1e111df11@syzkaller.appspotmail.com
First crash: 96d, last: 2h59m
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] Monthly block report (Jun 2024) 0 (1) 2024/06/14 08:06
[syzbot] [block?] INFO: task hung in bdev_open 0 (1) 2024/05/28 04:10

Sample crash report:
INFO: task udevd:5245 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:25248 pid:5245  tgid:5245  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 bdev_open+0xe5/0xc60 block/bdev.c:897
 blkdev_open+0x20d/0x2e0 block/fops.c:615
 do_dentry_open+0x95c/0x1720 fs/open.c:955
 do_open fs/namei.c:3650 [inline]
 path_openat+0x289f/0x3280 fs/namei.c:3807
 do_filp_open+0x235/0x490 fs/namei.c:3834
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
 do_sys_open fs/open.c:1420 [inline]
 __do_sys_openat fs/open.c:1436 [inline]
 __se_sys_openat fs/open.c:1431 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1431
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f391bf169a4
RSP: 002b:00007ffd68f4fc80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000557320b72550 RCX: 00007f391bf169a4
RDX: 00000000000a0800 RSI: 0000557320b60050 RDI: 00000000ffffff9c
RBP: 0000557320b60050 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 0000557320b5ea70 R14: 0000000000000001 R15: 0000557320b4d910
 </TASK>
INFO: task syz-executor.0:5331 blocked for more than 144 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:24672 pid:5331  tgid:5331  ppid:5108   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745

Crashes (90):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/15 06:13 upstream 2ccbdf43d5e7 8d849073 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/06/14 10:53 upstream 2ccbdf43d5e7 a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/06/14 09:37 upstream 2ccbdf43d5e7 a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/06/14 05:41 upstream 2ccbdf43d5e7 a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/06/12 11:47 upstream 2ef5971ff345 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/06/11 19:03 upstream 83a7eefedc9b c7d7d815 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in bdev_open
2024/06/11 07:50 upstream 83a7eefedc9b 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/06/11 02:14 upstream 83a7eefedc9b 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in bdev_open
2024/06/10 15:34 upstream 83a7eefedc9b 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/06/08 09:27 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in bdev_open
2024/05/31 11:37 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/05/28 22:29 upstream e0cce98fe279 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/05/28 11:09 upstream 2bfcfd584ff5 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/05/27 04:16 upstream 6fbf71854e2d a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/05/26 16:40 upstream c13320499ba0 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/05/26 16:28 upstream 9b62e02e6336 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/05/26 16:21 upstream 9b62e02e6336 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/05/26 08:56 upstream 9b62e02e6336 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/05/26 01:50 upstream 56fb6f92854f a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/05/25 21:54 upstream 56fb6f92854f a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/05/24 15:24 upstream 8f6a15f095a6 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/05/24 03:59 upstream 8f6a15f095a6 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/05/24 03:55 upstream 8f6a15f095a6 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/05/24 03:55 upstream 8f6a15f095a6 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/05/24 00:21 upstream 8f6a15f095a6 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in bdev_open
2024/05/24 00:20 upstream 8f6a15f095a6 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in bdev_open
2024/05/24 00:10 upstream 8f6a15f095a6 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in bdev_open
2024/05/23 22:53 upstream 8f6a15f095a6 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in bdev_open
2024/05/22 14:29 upstream 8f6a15f095a6 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in bdev_open
2024/05/21 13:57 upstream 1b0361620970 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in bdev_open
2024/05/20 04:26 upstream 61307b7be41a c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in bdev_open
2024/05/18 10:15 upstream 7ee332c9f12b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/05/18 10:12 upstream 7ee332c9f12b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/05/15 23:42 upstream 1b294a1f3561 0b3dad46 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in bdev_open
2024/06/18 10:45 upstream 14d7c92f8df9 ce6011bc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/17 03:23 upstream b5beaa44747b f429ab00 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/16 12:13 upstream a3e18a540541 f429ab00 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/15 17:00 upstream 44ef20baed8e f429ab00 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/15 03:47 upstream c286c21ff942 f429ab00 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/14 22:08 upstream 0cac73eb3875 8d849073 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/14 22:07 upstream 0cac73eb3875 8d849073 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/13 14:48 upstream 2ccbdf43d5e7 2a27d56f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/11 19:11 upstream 83a7eefedc9b 4d75f4f7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/10 20:11 upstream 83a7eefedc9b 048c640a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/05 01:41 upstream 32f88d65f01b e1e2c66e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-compat INFO: task hung in bdev_open
2024/05/24 15:11 upstream 6d69b6c12fce 8f98448e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-compat INFO: task hung in bdev_open
2024/05/17 18:00 upstream ea5f6ad9ad96 4130c191 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 INFO: task hung in bdev_open
2024/06/13 05:39 linux-next a957267fa7e9 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in bdev_open
2024/06/12 17:43 linux-next a957267fa7e9 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in bdev_open
2024/06/12 16:38 linux-next a957267fa7e9 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in bdev_open
2024/05/31 10:34 linux-next 0e1980c40b6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in bdev_open
2024/05/25 18:57 linux-next 3689b0ef08b7 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in bdev_open
2024/05/25 16:25 linux-next 3689b0ef08b7 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in bdev_open
2024/05/24 22:17 linux-next 124cfbcd6d18 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in bdev_open
2024/05/23 21:16 linux-next 124cfbcd6d18 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in bdev_open
2024/05/22 07:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in bdev_open
2024/05/21 14:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in bdev_open
* Struck through repros no longer work on HEAD.