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INFO: task hung in do_coredump (2)

Status: auto-obsoleted due to no activity on 2024/09/10 17:47
Subsystems: fs
[Documentation on labels]
First crash: 174d, last: 174d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in do_coredump fs 1 648d 648d 0/28 auto-obsoleted due to no activity on 2023/05/26 05:58
upstream INFO: task hung in do_coredump (3) nfs C 229 5d18h 47d 0/28 upstream: reported C repro on 2024/10/17 09:02

Sample crash report:
INFO: task syz-executor.3:5440 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00021-g2ef5971ff345 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:26224 pid:5440  tgid:5440  ppid:5132   flags:0x00004006
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_timeout+0xb0/0x310 kernel/time/timer.c:2557
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common+0x3ea/0x6d0 kernel/sched/completion.c:116
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:264
 coredump_wait fs/coredump.c:417 [inline]
 do_coredump+0x9e4/0x2940 fs/coredump.c:574
 get_signal+0x13fa/0x1740 kernel/signal.c:2894
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 irqentry_exit_to_user_mode+0x79/0x280 kernel/entry/common.c:231
 exc_page_fault+0x590/0x8c0 arch/x86/mm/fault.c:1542
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fd0f2e2ba91
RSP: 002b:00007fd0f30dfb50 EFLAGS: 00010246
RAX: 0000000020000000 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000001000 RSI: 0000000000000000 RDI: 0000555575388360
RBP: 00007fd0f30dfc48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 00007fd0f2fb4050
R13: 00007fd0f2fb405c R14: 0000000000000032 R15: 00007fd0f2fb5980
 </TASK>
INFO: task iou-wrk-5441:5443 blocked for more than 144 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00021-g2ef5971ff345 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:iou-wrk-5441    state:D stack:28240 pid:5443  tgid:5440  ppid:5132   flags:0x00004004
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
 coredump_task_exit kernel/exit.c:435 [inline]
 do_exit+0x57c/0x27e0 kernel/exit.c:828

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/12 17:37 upstream 2ef5971ff345 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in do_coredump
* Struck through repros no longer work on HEAD.