WARNING in btrfs_sync

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-5.15	WARNING in btrfs_sync_log (2) origin:lts-only	C		error	4	148d	222d	0/3	upstream: reported C repro on 2023/09/09 20:33
upstream	WARNING in btrfs_sync_log btrfs	C	error	inconclusive	6	39d	550d	0/26	upstream: reported C repro on 2022/10/16 20:36
linux-5.15	WARNING in btrfs_sync_log				3	361d	372d	0/3	auto-obsoleted due to no activity on 2023/08/21 23:02

RBP: 00007fee35ea51d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe6b47d30f R14: 00007fee35ea5300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1698 at fs/btrfs/tree-log.c:3097 btrfs_sync_log+0x1d22/0x2170 fs/btrfs/tree-log.c:3097 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 1698 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:btrfs_sync_log+0x1d22/0x2170 fs/btrfs/tree-log.c:3097 Code: 89 e6 bf fb ff ff ff e8 0c 02 6d fe 41 83 fc fb 0f 84 03 56 05 05 e8 8d 00 6d fe 44 89 e6 48 c7 c7 60 60 a5 88 e8 63 38 fd 04 <0f> 0b e8 77 00 6d fe 48 8b 7c 24 38 44 89 e1 ba 19 0c 00 00 48 c7 RSP: 0018:ffff8880396079f8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed10072c0f31 RBP: ffff8880a1ec6e18 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 00000000fffffff4 R13: ffff88809cfa6a58 R14: ffff8880aff046c0 R15: ffff8880ab27c400 btrfs_sync_file+0xbfb/0xd90 fs/btrfs/file.c:2243 vfs_fsync_range+0x13a/0x220 fs/sync.c:197 vfs_fsync fs/sync.c:211 [inline] do_fsync fs/sync.c:221 [inline] __do_sys_fsync fs/sync.c:229 [inline] __se_sys_fsync fs/sync.c:227 [inline] __x64_sys_fsync+0x6b/0xc0 fs/sync.c:227 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fee379330c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fee35ea5168 EFLAGS: 00000246 ORIG_RAX: 000000000000004a RAX: ffffffffffffffda RBX: 00007fee37a52f80 RCX: 00007fee379330c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007fee35ea51d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe6b47d30f R14: 00007fee35ea5300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..