WARNING in __ext4_journal_start

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in __ext4_journal_start_sb ext4	C			3	16d	318d	0/28	upstream: reported C repro on 2024/04/27 20:56
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WARNING: CPU: 0 PID: 335 at fs/ext4/ext4_jbd2.c:75 ext4_journal_check_start fs/ext4/ext4_jbd2.c:75 [inline]
WARNING: CPU: 0 PID: 335 at fs/ext4/ext4_jbd2.c:75 __ext4_journal_start_sb+0x44c/0x70c fs/ext4/ext4_jbd2.c:98
Modules linked in:
CPU: 0 PID: 335 Comm: kworker/u4:4 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: writeback wb_workfn (flush-7:8)
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ext4_journal_check_start fs/ext4/ext4_jbd2.c:75 [inline]
pc : __ext4_journal_start_sb+0x44c/0x70c fs/ext4/ext4_jbd2.c:98
lr : ext4_journal_check_start fs/ext4/ext4_jbd2.c:75 [inline]
lr : __ext4_journal_start_sb+0x44c/0x70c fs/ext4/ext4_jbd2.c:98
sp : ffff80001ff36d10
x29: ffff80001ff36d20 x28: 1fffe0001af2a0cf x27: dfff800000000000
x26: 0000000000000004 x25: ffff0000d7950678 x24: ffff0000d7950000
x23: 0000000000000006 x22: 0000000000000000 x21: 0000000000000002
x20: 0000000000000afc x19: 0000000000000080 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082eae30 x15: 0000000000000406
x14: 00000000ffff8000 x13: 00000000d0dd6a71 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c7d11b40
x8 : ffff800008d28564 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000006
x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000004
Call trace:
 ext4_journal_check_start fs/ext4/ext4_jbd2.c:75 [inline]
 __ext4_journal_start_sb+0x44c/0x70c fs/ext4/ext4_jbd2.c:98
 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
 ext4_writepages+0xd50/0x36fc fs/ext4/inode.c:2811
 do_writepages+0x39c/0x5ec mm/page-writeback.c:2386
 __writeback_single_inode+0x148/0x13a4 fs/fs-writeback.c:1647
 writeback_sb_inodes+0x94c/0x1654 fs/fs-writeback.c:1930
 wb_writeback+0x3fc/0xfc8 fs/fs-writeback.c:2104
 wb_do_writeback fs/fs-writeback.c:2247 [inline]
 wb_workfn+0x3a4/0x1070 fs/fs-writeback.c:2288
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 3723062
hardirqs last  enabled at (3723061): [<ffff8000088d641c>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231
hardirqs last disabled at (3723062): [<ffff800011b49ab0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (3722814): [<ffff80000fefe258>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (3722814): [<ffff80000fefe258>] release_sock+0x1e4/0x270 net/core/sock.c:3279
softirqs last disabled at (3722812): [<ffff80000fefe0b0>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (3722812): [<ffff80000fefe0b0>] release_sock+0x3c/0x270 net/core/sock.c:3266
---[ end trace 67ddf5a86bd2b176 ]---