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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 | 1063d | 1063d | 0/28 | auto-closed as invalid on 2022/01/17 01:14 | |||
| linux-6.1 | INFO: task hung in ppp_ioctl | 1 | 168d | 168d | 0/3 | auto-obsoleted due to no activity on 2024/07/10 10:43 | |||
| linux-5.15 | INFO: task hung in ppp_ioctl | 2 | 88d | 96d | 0/3 | upstream: reported on 2024/06/11 19:53 |
INFO: task syz-executor.0:5442 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:syz-executor.0 state:D stack:26880 pid:5442 tgid:5440 ppid:5106 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 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+0x5b8/0x9c0 kernel/locking/mutex.c:752
ppp_create_interface drivers/net/ppp/ppp_generic.c:3331 [inline]
ppp_unattached_ioctl drivers/net/ppp/ppp_generic.c:1045 [inline]
ppp_ioctl+0x1804/0x25c0 drivers/net/ppp/ppp_generic.c:718
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f118cc7cf29
RSP: 002b:00007f118d9890c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f118cdb3f80 RCX: 00007f118cc7cf29
RDX: 0000000020001400 RSI: 00000000c004743e RDI: 0000000000000004
RBP: 00007f118ccec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f118cdb3f80 R15: 00007ffc4a461cf8
</TASK>
INFO: task syz-executor.0:5443 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:syz-executor.0 state:D stack:28128 pid:5443 tgid:5440 ppid:5106 flags:0x00000006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 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+0x5b8/0x9c0 kernel/locking/mutex.c:752
ppp_ioctl+0xc3/0x25c0 drivers/net/ppp/ppp_generic.c:714
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f118cc7cf29
RSP: 002b:00007f118d9680c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f118cdb4050 RCX: 00007f118cc7cf29
RDX: 0000000020000000 RSI: 000000004010744d RDI: 0000000000000004
RBP: 00007f118ccec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f118cdb4050 R15: 00007ffc4a461cf8
</TASK>
INFO: task syz-executor.3:5445 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.3 state:D stack:27520 pid:5445 tgid:5444 ppid:5107 flags:0x00000006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 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+0x5b8/0x9c0 kernel/locking/mutex.c:752
br_ioctl_stub+0x97/0x8b0 net/bridge/br_ioctl.c:402
br_ioctl_call+0x62/0xb0 net/socket.c:1195
sock_ioctl+0x370/0x6c0 net/socket.c:1295
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0a8527cf29
RSP: 002b:00007f0a860270c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0a853b3f80 RCX: 00007f0a8527cf29
RDX: 00000000200001c0 RSI: 0000000000008941 RDI: 0000000000000007
RBP: 00007f0a852ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0a853b3f80 R15: 00007ffdbfead378
</TASK>
INFO: task syz-executor.1:5451 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.1 state:D stack:26512 pid:5451 tgid:5449 ppid:5105 flags:0x00000006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 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+0x5b8/0x9c0 kernel/locking/mutex.c:752
wext_ioctl_dispatch net/wireless/wext-core.c:1015 [inline]
wext_ioctl_dispatch net/wireless/wext-core.c:1004 [inline]
wext_handle_ioctl+0x21b/0x2c0 net/wireless/wext-core.c:1077
sock_ioctl+0x3ac/0x6c0 net/socket.c:1275
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/06/20 20:20 | upstream | 2ccbdf43d5e7 | dac2aa43 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in ppp_ioctl | ||
| 2024/06/06 04:14 | upstream | 71d7b52cc33b | 121701b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in ppp_ioctl | ||
| 2024/06/01 00:49 | upstream | d8ec19857b09 | 3113787f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in ppp_ioctl | ||
| 2024/05/31 10:06 | upstream | 4a4be1ad3a6e | 34889ee3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in ppp_ioctl | ||
| 2024/03/24 18:43 | upstream | fe46a7dd189e | 0ea90952 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in ppp_ioctl | ||
| 2024/06/15 12:54 | net | be27b8965297 | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/06/14 13:41 | net | be27b8965297 | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/06/12 03:21 | net | 36534d3c5453 | 4d75f4f7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/05/21 17:30 | net | 30a92c9e3d6b | 1014eca7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/06/12 22:39 | net-next | 91579c93a9b2 | 2aa5052f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/06/03 08:27 | net-next | b5c089880723 | 3113787f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/05/31 16:10 | net-next | ccf23c916ca3 | 3113787f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/05/29 09:36 | net-next | 93bda33046e7 | 34889ee3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/05/27 23:16 | net-next | 66ad4829ddd0 | f550015e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/05/27 23:01 | net-next | 66ad4829ddd0 | f550015e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in ppp_ioctl | ||
| 2024/06/13 11:27 | 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 ppp_ioctl | ||
| 2024/06/13 02:58 | 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 ppp_ioctl | ||
| 2024/06/10 10:27 | linux-next | d35b2284e966 | 82c05ab8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in ppp_ioctl |