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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in ppp_ioctl ppp | 1 | 1129d | 1129d | 0/28 | auto-closed as invalid on 2022/01/17 01:14 | |||
| linux-6.1 | INFO: task hung in ppp_ioctl | 1 | 234d | 234d | 0/3 | auto-obsoleted due to no activity on 2024/07/10 10:43 | |||
| upstream | INFO: task hung in ppp_ioctl (2) ppp | 18 | 153d | 241d | 0/28 | auto-obsoleted due to no activity on 2024/08/31 09:24 |
INFO: task syz-executor.1:6019 blocked for more than 143 seconds.
Not tainted 5.15.161-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26808 pid: 6019 ppid: 3526 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
ppp_create_interface drivers/net/ppp/ppp_generic.c:3330 [inline]
ppp_unattached_ioctl drivers/net/ppp/ppp_generic.c:1042 [inline]
ppp_ioctl+0x6f4/0x1cd0 drivers/net/ppp/ppp_generic.c:715
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ffb6bd33f29
RSP: 002b:00007ffb6a8ad0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffb6be6af80 RCX: 00007ffb6bd33f29
RDX: 0000000020001439 RSI: 00000000c004743e RDI: 0000000000000003
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/06/20 11:12 | linux-5.15.y | 4878aadf2d15 | dac2aa43 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in ppp_ioctl | ||
| 2024/06/11 19:53 | linux-5.15.y | c61bd26ae81a | 4d75f4f7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in ppp_ioctl |