| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] Monthly f2fs report (Mar 2026) | 0 (1) | 2026/03/09 12:29 |
| [syzbot] [f2fs?] INFO: task hung in f2fs_fallocate (6) | 0 (1) | 2026/02/26 06:18 |
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| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] Monthly f2fs report (Mar 2026) | 0 (1) | 2026/03/09 12:29 |
| [syzbot] [f2fs?] INFO: task hung in f2fs_fallocate (6) | 0 (1) | 2026/02/26 06:18 |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in f2fs_fallocate (4) f2fs | 1 | 11 | 437d | 605d | 0/29 | auto-obsoleted due to no activity on 2025/03/28 19:38 | |||
| upstream | INFO: task hung in f2fs_fallocate (3) f2fs | 1 | 3 | 731d | 747d | 0/29 | auto-obsoleted due to no activity on 2024/06/07 18:19 | |||
| upstream | INFO: task hung in f2fs_fallocate f2fs | 1 | 1 | 1062d | 1062d | 0/29 | auto-obsoleted due to no activity on 2023/07/12 13:35 | |||
| upstream | INFO: task hung in f2fs_fallocate (5) f2fs | 1 | C | done | error | 3 | 298d | 320d | 0/29 | auto-obsoleted due to no activity on 2025/08/28 03:32 |
| upstream | INFO: task hung in f2fs_fallocate (2) f2fs | 1 | 3 | 844d | 846d | 0/29 | auto-obsoleted due to no activity on 2024/02/15 04:04 | |||
| linux-5.15 | INFO: task hung in f2fs_fallocate | 1 | 2 | 506d | 506d | 0/3 | auto-obsoleted due to no activity on 2025/01/28 07:01 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2026/03/09 04:43 | 30m | retest repro | linux-next | OK log | |
| 2026/03/09 04:43 | 24m | retest repro | linux-next | report log | |
| 2026/03/09 04:43 | 27m | retest repro | linux-next | report log | |
| 2026/03/09 04:43 | 37m | retest repro | linux-next | report log | |
| 2026/03/09 04:43 | 22m | retest repro | linux-next | OK log |
INFO: task syz.1.18:6046 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.18 state:D stack:28832 pid:6046 tgid:6042 ppid:6019 task_flags:0x400040 flags:0x00080002
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1585/0x5340 kernel/sched/core.c:6907
__schedule_loop kernel/sched/core.c:6989 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7004
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061
rwsem_down_write_slowpath+0x899/0x1040 kernel/locking/rwsem.c:1185
__down_write_common kernel/locking/rwsem.c:1317 [inline]
__down_write kernel/locking/rwsem.c:1326 [inline]
down_write+0x1bc/0x200 kernel/locking/rwsem.c:1591
inode_lock include/linux/fs.h:1028 [inline]
f2fs_fallocate+0x24e/0x9b0 fs/f2fs/file.c:2013
vfs_fallocate+0x669/0x7e0 fs/open.c:340
ksys_fallocate fs/open.c:364 [inline]
__do_sys_fallocate fs/open.c:369 [inline]
__se_sys_fallocate fs/open.c:367 [inline]
__x64_sys_fallocate+0xc0/0x110 fs/open.c:367
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa61c59c629
RSP: 002b:00007fa61d448028 EFLAGS: 00000246
ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fa61c816090 RCX: 00007fa61c59c629
RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000004
RBP: 00007fa61c632b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa61c816128 R14: 00007fa61c816090 R15: 00007ffcfdb9b178
</TASK>
Showing all locks held in the system:
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/02/23 03:15 | linux-next | d4906ae14a5f | 6e7b5511 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in f2fs_fallocate | |
| 2026/02/23 00:11 | linux-next | d4906ae14a5f | 6e7b5511 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in f2fs_fallocate | |
| 2026/02/22 09:49 | linux-next | d4906ae14a5f | 6e7b5511 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in f2fs_fallocate | |
| 2026/02/22 13:12 | linux-next | d4906ae14a5f | 6e7b5511 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in f2fs_fallocate | ||
| 2026/02/22 20:37 | linux-next | d4906ae14a5f | 6e7b5511 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in f2fs_fallocate | ||
| 2026/02/22 06:08 | linux-next | d4906ae14a5f | 6e7b5511 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in f2fs_fallocate | |
| 2026/02/22 01:48 | linux-next | d4906ae14a5f | 6e7b5511 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in f2fs_fallocate |