INFO: task hung in coredump_task_exit

Status: auto-obsoleted due to no activity on 2023/12/15 00:03
Subsystems: kernel
[Documentation on labels]
First crash: 1389d, last: 1065d
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: task hung in coredump_task_exit (2) 1 3 832d 906d 0/3 auto-obsoleted due to no activity on 2024/08/13 23:40
upstream INFO: task hung in coredump_task_exit (2) kernel 1 9 771d 958d 0/29 auto-obsoleted due to no activity on 2024/10/03 07:15
linux-6.1 INFO: task hung in coredump_task_exit 1 1 1236d 1236d 0/3 auto-obsoleted due to no activity on 2023/07/26 12:35

Sample crash report:
INFO: task syz-executor.4:20742 blocked for more than 144 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00125-ge42bebf6db29 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D
 stack:25648 pid:20742 ppid:5071   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1873/0x48f0 kernel/sched/core.c:6695
 schedule+0xc3/0x180 kernel/sched/core.c:6771
 coredump_task_exit+0x349/0x460 kernel/exit.c:436
 do_exit+0x29a/0x2290 kernel/exit.c:823
 do_group_exit+0x206/0x2c0 kernel/exit.c:1024
 get_signal+0x175d/0x1840 kernel/signal.c:2892
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f931467cae9
RSP: 002b:00007ffc4dfb6868 EFLAGS: 00000246

Crashes (12):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/15 23:55 upstream e42bebf6db29 0b6a67ac .config console log report info ci-upstream-kasan-gce-smack-root INFO: task hung in coredump_task_exit
2023/09/15 09:41 upstream 9fdfb15a3dbf 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in coredump_task_exit
2023/09/13 16:02 upstream 3669558bdf35 0b6a67ac .config console log report info ci2-upstream-fs INFO: task hung in coredump_task_exit
2023/09/04 00:48 upstream db906f0ca6bb 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in coredump_task_exit
2023/09/03 11:18 upstream 92901222f83d 696ea0d2 .config console log report info ci2-upstream-fs INFO: task hung in coredump_task_exit
2023/04/20 11:07 upstream cb0856346a60 a219f34e .config console log report info ci2-upstream-fs INFO: task hung in coredump_task_exit
2023/04/11 14:23 upstream 0d3eb744aed4 71147e29 .config console log report info ci2-upstream-fs INFO: task hung in coredump_task_exit
2022/11/05 08:49 upstream 64c3dd0b98f5 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in coredump_task_exit
2022/10/26 07:33 upstream 1a2dcbdde82e 2159e4d2 .config console log report info ci2-upstream-fs INFO: task hung in coredump_task_exit
2023/07/15 13:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e40939bbfc68 35d9ecc5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in coredump_task_exit
2023/02/20 05:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in coredump_task_exit
2023/01/05 06:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in coredump_task_exit
* Struck through repros no longer work on HEAD.