syzbot


INFO: task hung in f2fs_write_inode

Status: upstream: reported C repro on 2026/01/23 14:26
Subsystems: f2fs
[Documentation on labels]
Reported-by: syzbot+ffb43ecff88cb2a47dd3@syzkaller.appspotmail.com
First crash: 143d, last: 143d
✨ AI Jobs (3)
ID Workflow Result Correct Ext Bug ID Bug Created Started Finished Revision Error
6bff7330-d5da-4e4b-a3f0-e64a9b69857c assessment-security 💥 INFO: task hung in f2fs_write_inode 2026/06/09 17:07 2026/06/09 17:07 2026/06/09 17:07 c36c07f6c1f2230a36374cbd22235f635e8f9284 failed to run ["git" "-c" "core.hooksPath=/dev/null" "fetch" "--force" "--tags" "433dfd5a8a5d80bbf0669b14e9ed908911a52dd6" "59e4d31a0470503dc922bad1970fc6a1c7dfd76b"]: exit status 128 fatal: remote error: upload-pack: not our ref 59e4d31a0470503dc922bad1970fc6a1c7dfd76b
ae42d13c-3ece-4f45-8ddb-24ed86274ae7 assessment-security 💥 INFO: task hung in f2fs_write_inode 2026/06/02 11:47 2026/06/02 11:47 2026/06/02 11:47 1095583bae1d2729a3b4be301cb6ddc85ced9e38 failed to run ["git" "-c" "core.hooksPath=/dev/null" "fetch" "--force" "--tags" "433dfd5a8a5d80bbf0669b14e9ed908911a52dd6" "59e4d31a0470503dc922bad1970fc6a1c7dfd76b"]: exit status 128 fatal: remote error: upload-pack: not our ref 59e4d31a0470503dc922bad1970fc6a1c7dfd76b
3c4957b7-bd0f-4e3c-9dd0-261a71529e64 assessment-security 💥 INFO: task hung in f2fs_write_inode 2026/05/24 18:32 2026/05/24 18:32 2026/05/24 18:32 c69befb30ac10e158cc9d1557b508ee3f0eca1de failed to run ["git" "-c" "core.hooksPath=/dev/null" "fetch" "--force" "--tags" "433dfd5a8a5d80bbf0669b14e9ed908911a52dd6" "59e4d31a0470503dc922bad1970fc6a1c7dfd76b"]: exit status 128 fatal: remote error: upload-pack: not our ref 59e4d31a0470503dc922bad1970fc6a1c7dfd76b
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [f2fs?] INFO: task hung in f2fs_write_inode 0 (1) 2026/01/23 14:26
Last patch testing requests (2)
Created Duration User Patch Repo Result
2026/04/13 17:02 4h04m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci error
2026/02/02 14:27 1h27m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci error

Sample crash report:
INFO: task kworker/u8:14:4087 blocked for more than 143 seconds.
Call trace:
 f2fs_write_inode+0x3b0/0x68c fs/f2fs/inode.c:826
 kthread+0x5fc/0x75c kernel/kthread.c:463
 #0: ffff0000c1ff2948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
3 locks held by syz-executor142/6594:

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/19 14:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59e4d31a0470 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci-upstream-gce-arm64 INFO: task hung in f2fs_write_inode
* Struck through repros no longer work on HEAD.