------------[ cut here ]------------
requested to flush journal seq 4, but currently at 0
WARNING: CPU: 0 PID: 6663 at fs/bcachefs/journal.c:685 bch2_journal_flush_seq_async+0x7c2/0x830 fs/bcachefs/journal.c:683
Modules linked in:
CPU: 0 UID: 0 PID: 6663 Comm: syz.6.61 Not tainted 6.13.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:bch2_journal_flush_seq_async+0x7c2/0x830 fs/bcachefs/journal.c:683
Code: df 48 8b 44 24 38 42 80 3c 38 00 74 08 48 89 df e8 53 02 c3 fd 48 8b 13 48 c7 c7 80 e3 52 8c 48 8b 74 24 18 e8 ef d1 1f fd 90 <0f> 0b 90 90 31 db e9 5c ff ff ff 89 f9 80 e1 07 38 c1 0f 8c ae fd
RSP: 0018:ffffc90003347a80 EFLAGS: 00010246
RAX: af6df36b6409f100 RBX: ffff88806424ab38 RCX: 0000000000080000
RDX: ffffc900048c2000 RSI: 00000000000026fe RDI: 00000000000026ff
RBP: ffffc90003347b70 R08: ffffffff816018a2 R09: fffffbfff1cfa210
R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 1ffff92000668f5c
R13: ffff88806424ab48 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007efe89f026c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055776e2ce950 CR3: 000000007f656000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_journal_flush_seq+0xe5/0x2b0 fs/bcachefs/journal.c:772
 bch2_flush_inode+0x28d/0x420 fs/bcachefs/fs-io.c:185
 bch2_fsync+0x183/0x350 fs/bcachefs/fs-io.c:205
 vfs_fsync_range fs/sync.c:187 [inline]
 vfs_fsync fs/sync.c:201 [inline]
 do_fsync fs/sync.c:212 [inline]
 __do_sys_fdatasync fs/sync.c:222 [inline]
 __se_sys_fdatasync fs/sync.c:220 [inline]
 __x64_sys_fdatasync+0xb6/0x110 fs/sync.c:220
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efe89185d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efe89f02038 EFLAGS: 00000246 ORIG_RAX: 000000000000004b
RAX: ffffffffffffffda RBX: 00007efe89375fa0 RCX: 00007efe89185d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007efe89201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efe89375fa0 R15: 00007ffc14fb1fa8
 </TASK>