INFO: task hung in exit_aio (5)

Status: upstream: reported on 2026/05/17 16:41
Subsystems: fs
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+4c9b421ef4f6c18a174e@syzkaller.appspotmail.com
First crash: 468d, last: 12h02m
▶ ▼ ✨ AI Jobs (3)
ID Workflow Result Correct Bug Created Started Finished Revision
93024099 assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ INFO: task hung in exit_aio (5) 2026/05/30 18:05 2026/05/30 18:05 2026/05/30 19:04 6b4a8443
ec3aa5ac assessment-security 💥 INFO: task hung in exit_aio (5) 2026/05/14 11:20 2026/05/14 11:20 2026/05/14 11:21 6ccb967e
fe59251d repro ❓ INFO: task hung in exit_aio (5) 2026/03/06 13:52 2026/03/06 13:52 2026/03/06 14:02 31e9c887
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [kernel?] INFO: task hung in exit_aio (5) 0 (1) 2026/05/17 16:41
▶ ▼ Similar bugs (30)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-12 INFO: task hung in exit_aio (2) 1 22 141d 256d 0/1 auto-obsoleted due to no activity on 2026/08/12 14:31
android-6-12 INFO: task hung in exit_aio (3) 1 4 23d 63d 0/1 premoderation: reported on 2026/08/15 21:55
upstream INFO: task hung in exit_aio (4) fs 1 6 673d 739d 0/29 auto-obsoleted due to no activity on 2025/03/13 05:51
android-414 INFO: task hung in exit_aio 1 3 2723d 2724d 0/1 auto-closed as invalid on 2019/10/25 08:40
upstream INFO: task hung in exit_aio (2) fs 1 3 1801d 1879d 0/29 closed as invalid on 2022/02/07 19:09
upstream INFO: task hung in exit_aio (3) fs 1 1 834d 834d 0/29 auto-obsoleted due to no activity on 2024/10/04 00:29
android-6-12 INFO: task hung in exit_aio 1 38 339d 481d 0/1 auto-obsoleted due to no activity on 2026/01/04 12:01
upstream INFO: task hung in exit_aio fs 1 syz, C 17519 2618d 3233d 0/29 closed as dup on 2018/04/08 22:50
linux-6.1 INFO: rcu detected stall in corrupted origin:upstream missing-backport 1 syz, C inconclusive 4064 6d18h 1314d 0/3 upstream: reported C repro on 2023/03/13 04:03
upstream INFO: task hung in inet_rtm_newaddr prio:normal net 1 syz, C done 294 12h48m 660d 26/29 upstream: reported C repro on 2024/12/26 09:45
upstream INFO: task hung in addrconf_dad_work (5) prio:normal net 1 syz, C done 3067 3h53m 810d 0/29 upstream: reported C repro on 2024/07/29 15:23
android-5-15 BUG: soft lockup in corrupted origin:upstream 1 syz, C error 33 763d 919d 0/2 upstream: reported C repro on 2024/04/11 09:01
upstream BUG: workqueue lockup (5) prio:low kernel 1 syz, C done 17969 14h49m 2468d 0/29 upstream: reported C repro on 2020/01/14 22:04
upstream INFO: task hung in nsim_destroy (4) prio:high net 1 syz, C error error 539 7m 869d 0/29 upstream: reported C repro on 2024/05/31 11:16
upstream INFO: task hung in hub_port_init (3) prio:low usb 1 syz, C error 1199 23h22m 1299d 0/29 upstream: reported C repro on 2023/03/28 12:23
upstream INFO: task hung in reg_process_self_managed_hints prio:high wireless 1 syz, C done 1821 8m 1153d 0/29 upstream: reported C repro on 2023/08/21 16:36
linux-6.6 INFO: rcu detected stall in corrupted origin:lts-only 1 syz, C done 124 6d18h 481d 0/2 upstream: reported C repro on 2025/06/23 09:19
upstream INFO: rcu detected stall in corrupted (4) prio:low wireless 1 syz, C done inconclusive 868 9h43m 2234d 0/29 upstream: reported C repro on 2020/09/04 18:49
linux-4.14 BUG: soft lockup in corrupted 1 syz, C error 12 1539d 2022d 0/1 upstream: reported C repro on 2021/04/04 06:30
upstream INFO: task hung in reg_check_chans_work (7) prio:normal wireless 1 syz, C error 1879 23d 754d 0/29 upstream: reported C repro on 2024/09/23 08:39
android-6-12 INFO: rcu detected stall in corrupted origin:lts 1 syz 2 236d 357d 0/1 auto-obsoleted due to no activity on 2026/05/24 04:58
upstream INFO: task hung in linkwatch_event (4) prio:low net 1 syz, C done 5656 19m 812d 0/29 upstream: reported C repro on 2024/07/27 06:21
upstream INFO: task hung in addrconf_verify_work (9) net 1 syz 2352 12d 785d 0/29 closed as invalid on 2026/10/06 01:41
linux-4.19 INFO: rcu detected stall in corrupted 1 syz, C error 2 1731d 2438d 0/1 upstream: reported C repro on 2020/02/13 05:06
upstream INFO: task hung in _vm_unmap_aliases (3) prio:low mm 1 syz, C 732 23h22m 1012d 0/29 upstream: reported C repro on 2024/01/09 18:18
upstream INFO: task hung in uevent_show (2) kernel 1 syz, C inconclusive 8325 469d 707d 29/29 fixed on 2025/07/17 21:22
upstream INFO: task hung in synchronize_rcu (4) prio:high fs bluetooth 1 syz, C done error 4938 29m 1262d 0/29 upstream: reported C repro on 2023/05/04 02:01
upstream INFO: task hung in read_part_sector (2) prio:low block 1 syz error error 84960 34m 804d 0/29 upstream: reported syz repro on 2024/08/04 19:22
linux-4.19 BUG: soft lockup in corrupted 1 syz, C error 3 1568d 1756d 0/1 upstream: reported C repro on 2021/12/26 20:46
linux-5.15 INFO: rcu detected stall in corrupted origin:lts-only 1 syz, C error 197 2h50m 1090d 0/3 upstream: reported C repro on 2023/10/23 02:41

Sample crash report:
INFO: task syz.2.5536:27657 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.5536      state:D stack:26208 pid:27657 tgid:27642 ppid:26311  task_flags:0x40044c flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x17db/0x58f0 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 schedule_timeout+0xc0/0x2c0 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common kernel/sched/completion.c:121 [inline]
 wait_for_common kernel/sched/completion.c:132 [inline]
 wait_for_completion+0x2ca/0x5e0 kernel/sched/completion.c:153
 exit_aio+0x310/0x3e0 fs/aio.c:980
 __mmput+0x68/0x420 kernel/fork.c:1190
 exit_mm+0x18e/0x240 kernel/exit.c:592
 do_exit+0x6cd/0x2350 kernel/exit.c:974
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1129
 get_signal+0x121b/0x12c0 kernel/signal.c:3112
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3796d9e559
RSP: 002b:00007f3794f930e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f3797026368 RCX: 00007f3796d9e559
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3797026368
RBP: 00007f3797026360 R08: 0000000000000000 R09: 0000000000000000

Crashes (50):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/17 13:57 upstream 70dd4ee72eb2 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/10/08 12:41 upstream 7b63ef2d55f2 4f6a9fcf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/10/08 06:03 upstream 7b63ef2d55f2 6520ecdb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/09/24 12:28 upstream 62f4c998b297 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/09/23 11:19 upstream fe2ec83746e5 abce1216 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/09/20 06:13 upstream 518e5b794c06 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/09/06 08:55 upstream 0d9ff90a5422 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/09/06 03:22 upstream 0d9ff90a5422 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/09/05 23:50 upstream 0d9ff90a5422 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/08/31 05:41 upstream a23cbb05744b 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/08/27 07:21 upstream 502d45774af0 a2b77b9e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in exit_aio
2026/08/19 16:27 upstream bd5f485f3f02 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/07/28 15:41 upstream 62cc90241548 19622d9d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/05/20 03:13 upstream 27fa82620cba 0909d65f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/05/20 03:06 upstream 27fa82620cba 0909d65f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/05/13 16:33 upstream 1d5dcaa3bd65 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/04/26 05:59 upstream 897d54018cc9 9c2d0995 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/04/12 21:59 upstream f5459048c38a 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in exit_aio
2026/03/19 11:22 upstream 8a30aeb0d1b4 bd6dcb30 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/02/07 09:21 upstream 2687c848e578 f20fc9f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/01/15 03:37 upstream 944aacb68baf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in exit_aio
2026/01/01 08:36 upstream 9528d5c091c5 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/12/27 04:22 upstream 3f0e9c8cefa9 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/11/25 19:21 upstream 8a2bcda5e139 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/11/19 00:30 upstream 5bebe8de1926 ef766cd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/11/16 06:06 upstream f824272b6e3f f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/11/11 14:23 upstream 4427259cc7f7 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/10/17 21:40 upstream cf1ea8854e4f 7adf5298 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/10/06 13:23 upstream fd94619c4336 91305dbe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/10/01 23:00 upstream d3479214c05d a1859138 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/10/01 06:06 upstream 50c19e20ed2e 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/09/29 11:41 upstream e5f0a698b34e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/09/28 19:05 upstream 8f9736633f8c 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/09/25 11:01 upstream bf40f4b87761 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/09/08 20:03 upstream f777d1112ee5 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/09/06 00:00 upstream d1d10cea0895 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/09/05 10:47 upstream d69eb204c255 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/09/04 10:11 upstream b9a10f876409 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/09/02 23:25 upstream e6b9dce0aeeb 091ba174 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/09/02 14:05 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/08/31 03:57 upstream c8bc81a52d5a 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/08/29 00:33 upstream 07d9df80082b 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2025/08/28 11:00 upstream 07d9df80082b 443c11c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in exit_aio
2026/10/14 10:06 upstream ca3e345926b0 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in exit_aio
2026/08/29 18:49 linux-next e30626823a40 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in exit_aio
2026/08/07 03:01 linux-next cc2b5f627e8c c38879ea .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: task hung in exit_aio
2026/06/11 14:06 linux-next abe651837cb3 d93a6ab6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: task hung in exit_aio
2026/05/26 05:24 linux-next c1ecb239fa34 c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in exit_aio
2025/07/06 22:24 linux-next 26ffb3d6f02c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in exit_aio
2025/08/07 15:37 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git for-next 21ef6a269833 04cffc22 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 INFO: task hung in exit_aio
* Struck through repros no longer work on HEAD.