------------[ cut here ]------------
WARNING: CPU: 1 PID: 4954 at fs/buffer.c:1113 mark_buffer_dirty+0x488/0x5d0 fs/buffer.c:1113
Modules linked in:
CPU: 1 PID: 4954 Comm: jbd2/sda1-8 Not tainted 5.11.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:mark_buffer_dirty+0x488/0x5d0 fs/buffer.c:1113
Code: c1 ea 03 80 3c 02 00 0f 85 52 01 00 00 48 8b 3b be 04 00 00 00 e8 28 ad fc ff 5b 5d 41 5c 41 5d e9 7d 46 a1 ff e8 78 46 a1 ff <0f> 0b e9 bf fb ff ff e8 6c 46 a1 ff 0f 0b e9 e3 fb ff ff e8 60 46
RSP: 0000:ffffc9000d36fa20 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888043731040 RCX: 0000000000000000
RDX: ffff88801b2fa240 RSI: ffffffff81d21348 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81d20f05 R11: 0000000000000000 R12: ffff888043731040
R13: ffff888027e96380 R14: ffff88801ffa65a0 R15: ffff88801ffea960
FS: 0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000be5000 CR3: 0000000012c36000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__jbd2_journal_temp_unlink_buffer+0x3ba/0x500 fs/jbd2/transaction.c:2021
__jbd2_journal_unfile_buffer+0x60/0xb0 fs/jbd2/transaction.c:2035
__jbd2_journal_refile_buffer+0x3d2/0x4a0 fs/jbd2/transaction.c:2581
jbd2_journal_commit_transaction+0x440d/0x6ba0 fs/jbd2/commit.c:1084
kjournald2+0x1d0/0x930 fs/jbd2/journal.c:213
kthread+0x3b1/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294