| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2025/06/16 | linux-6.1.y (ToT) | 58485ff1a74f | C | [report] INFO: task hung in erofs_bread |
| 2025/06/16 | upstream (ToT) | e04c78d86a96 | C | Didn't crash |
syzbot |
sign-in | mailing list | source | docs |
| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2025/06/16 | linux-6.1.y (ToT) | 58485ff1a74f | C | [report] INFO: task hung in erofs_bread |
| 2025/06/16 | upstream (ToT) | e04c78d86a96 | C | Didn't crash |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2025/07/17 23:17 | 2h34m | bisect fix | linux-6.1.y | OK (0) job log log |
INFO: task syz-executor402:4292 blocked for more than 143 seconds.
Not tainted 6.1.141-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor402 state:D
stack:25832 pid:4292 ppid:4277 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10e9/0x40d0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
io_schedule+0x7c/0xd0 kernel/sched/core.c:8797
folio_wait_bit_common+0x6e1/0xf60 mm/filemap.c:1324
folio_put_wait_locked mm/filemap.c:1493 [inline]
do_read_cache_folio+0x1a9/0x760 mm/filemap.c:3609
erofs_bread+0x18e/0x670 fs/erofs/data.c:50
erofs_find_target_block fs/erofs/namei.c:102 [inline]
erofs_namei+0x28f/0xf00 fs/erofs/namei.c:175
erofs_lookup+0x14b/0x390 fs/erofs/namei.c:204
__lookup_slow+0x27d/0x3a0 fs/namei.c:1690
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component+0x2be/0x3f0 fs/namei.c:1998
lookup_last fs/namei.c:2455 [inline]
path_lookupat+0x169/0x440 fs/namei.c:2479
filename_lookup+0x1f0/0x500 fs/namei.c:2508
kern_path+0x31/0x50 fs/namei.c:2606
unix_find_bsd net/unix/af_unix.c:1039 [inline]
unix_find_other+0xf5/0x7f0 net/unix/af_unix.c:1100
unix_dgram_sendmsg+0x8e3/0x16c0 net/unix/af_unix.c:1962
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x59b/0x970 net/socket.c:2519
___sys_sendmsg+0x21c/0x290 net/socket.c:2573
__sys_sendmmsg+0x272/0x490 net/socket.c:2659
__do_sys_sendmmsg net/socket.c:2688 [inline]
__se_sys_sendmmsg net/socket.c:2685 [inline]
__x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2685
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f54678b0d49
RSP: 002b:00007f546784c218 EFLAGS: 00000246
ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f54679386d8 RCX: 00007f54678b0d49
RDX: 0000000000000002 RSI: 00002000000254c0 RDI: 0000000000000005
RBP: 00007f54679386d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000001580
R13: 0000200000025500 R14: 00002000000254c0 R15: 0000200000000204
</TASK>
INFO: task syz-executor402:4294 blocked for more than 147 seconds.
Not tainted 6.1.141-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor402 state:D
stack:26208 pid:4294 ppid:4276 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10e9/0x40d0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
io_schedule+0x7c/0xd0 kernel/sched/core.c:8797
folio_wait_bit_common+0x6e1/0xf60 mm/filemap.c:1324
folio_put_wait_locked mm/filemap.c:1493 [inline]
do_read_cache_folio+0x1a9/0x760 mm/filemap.c:3609
erofs_bread+0x18e/0x670 fs/erofs/data.c:50
erofs_find_target_block fs/erofs/namei.c:102 [inline]
erofs_namei+0x28f/0xf00 fs/erofs/namei.c:175
erofs_lookup+0x14b/0x390 fs/erofs/namei.c:204
__lookup_slow+0x27d/0x3a0 fs/namei.c:1690
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component+0x2be/0x3f0 fs/namei.c:1998
lookup_last fs/namei.c:2455 [inline]
path_lookupat+0x169/0x440 fs/namei.c:2479
filename_lookup+0x1f0/0x500 fs/namei.c:2508
kern_path+0x31/0x50 fs/namei.c:2606
unix_find_bsd net/unix/af_unix.c:1039 [inline]
unix_find_other+0xf5/0x7f0 net/unix/af_unix.c:1100
unix_dgram_sendmsg+0x8e3/0x16c0 net/unix/af_unix.c:1962
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x59b/0x970 net/socket.c:2519
___sys_sendmsg+0x21c/0x290 net/socket.c:2573
__sys_sendmmsg+0x272/0x490 net/socket.c:2659
__do_sys_sendmmsg net/socket.c:2688 [inline]
__se_sys_sendmmsg net/socket.c:2685 [inline]
__x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2685
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f54678b0d49
RSP: 002b:00007f546784c218 EFLAGS: 00000246
ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f54679386d8 RCX: 00007f54678b0d49
RDX: 0000000000000002 RSI: 00002000000254c0 RDI: 0000000000000005
RBP: 00007f54679386d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000001580
R13: 0000200000025500 R14: 00002000000254c0 R15: 0000200000000204
</TASK>
INFO: task syz-executor402:4295 blocked for more than 150 seconds.
Not tainted 6.1.141-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor402 state:D
stack:26208 pid:4295 ppid:4278 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10e9/0x40d0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
io_schedule+0x7c/0xd0 kernel/sched/core.c:8797
folio_wait_bit_common+0x6e1/0xf60 mm/filemap.c:1324
folio_put_wait_locked mm/filemap.c:1493 [inline]
do_read_cache_folio+0x1a9/0x760 mm/filemap.c:3609
erofs_bread+0x18e/0x670 fs/erofs/data.c:50
erofs_find_target_block fs/erofs/namei.c:102 [inline]
erofs_namei+0x28f/0xf00 fs/erofs/namei.c:175
erofs_lookup+0x14b/0x390 fs/erofs/namei.c:204
__lookup_slow+0x27d/0x3a0 fs/namei.c:1690
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component+0x2be/0x3f0 fs/namei.c:1998
lookup_last fs/namei.c:2455 [inline]
path_lookupat+0x169/0x440 fs/namei.c:2479
filename_lookup+0x1f0/0x500 fs/namei.c:2508
kern_path+0x31/0x50 fs/namei.c:2606
unix_find_bsd net/unix/af_unix.c:1039 [inline]
unix_find_other+0xf5/0x7f0 net/unix/af_unix.c:1100
unix_dgram_sendmsg+0x8e3/0x16c0 net/unix/af_unix.c:1962
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x59b/0x970 net/socket.c:2519
___sys_sendmsg+0x21c/0x290 net/socket.c:2573
__sys_sendmmsg+0x272/0x490 net/socket.c:2659
__do_sys_sendmmsg net/socket.c:2688 [inline]
__se_sys_sendmmsg net/socket.c:2685 [inline]
__x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2685
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f54678b0d49
RSP: 002b:00007f546784c218 EFLAGS: 00000246
ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f54679386d8 RCX: 00007f54678b0d49
RDX: 0000000000000002 RSI: 00002000000254c0 RDI: 0000000000000005
RBP: 00007f54679386d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000001580
R13: 0000200000025500 R14: 00002000000254c0 R15: 0000200000000204
</TASK>
INFO: task syz-executor402:4296 blocked for more than 153 seconds.
Not tainted 6.1.141-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor402 state:D
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/06/13 17:59 | linux-6.1.y | 58485ff1a74f | 98683f8f | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-6-1-kasan | INFO: task hung in erofs_bread | |
| 2025/06/13 16:28 | linux-6.1.y | 58485ff1a74f | 98683f8f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in erofs_bread | ||
| 2025/03/18 01:53 | linux-6.1.y | 344a09659766 | ce3352cd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in erofs_bread | ||
| 2024/12/09 17:51 | linux-6.1.y | e4d90d63d385 | 9ac0fdc6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in erofs_bread |