WARNING in ext4_write

Kernel	Title	Rank 🛈	Repro	Count	Last	Reported	Patched	Status
linux-4.14	WARNING in ext4_write_inode	-1		6	2353d	2355d	0/1	auto-closed as invalid on 2020/06/22 22:10
upstream	WARNING in ext4_write_inode ext4	-1		13	2344d	2351d	15/29	fixed on 2020/05/10 10:41
upstream	WARNING in ext4_write_inode (2) ext4	-1	syz, C	130	656d	1634d	0/29	auto-obsoleted due to no activity on 2025/01/25 16:58
linux-5.15	WARNING in ext4_write_inode	-1		1	1225d	1225d	0/3	auto-obsoleted due to no activity on 2023/07/26 10:16
upstream	WARNING in ext4_write_inode (3) prio:high ext4	-1		10	61d	292d	0/29	upstream: reported on 2025/10/16 17:36
linux-6.1	WARNING in ext4_write_inode	-1		5	1148d	1229d	0/3	auto-obsoleted due to no activity on 2023/09/21 16:26

XFS (loop3): metadata I/O error in "xfs_trans_read_buf_map" at daddr 0x2 len 1 error 117 XFS (loop3): xfs_imap_lookup: xfs_ialloc_read_agi() returned error -117, agno 0 XFS (loop3): Failed to read root inode 0xd88, error 117 WARNING: CPU: 0 PID: 2914 at fs/ext4/inode.c:5425 ext4_write_inode+0x453/0x510 fs/ext4/inode.c:5425 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 2914 Comm: xfsaild/loop3 Not tainted 4.19.105-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x53 kernel/panic.c:541 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037 RIP: 0010:ext4_write_inode+0x453/0x510 fs/ext4/inode.c:5425 Code: 78 ff ff ff e8 5e 2d 7f ff 4d 85 ed 74 0d e8 54 2d 7f ff 4c 89 ef e8 dc 8d ce ff e8 47 2d 7f ff e9 21 fe ff ff e8 3d 2d 7f ff <0f> 0b 45 31 ff e9 12 fe ff ff 41 bf fb ff ff ff e9 07 fe ff ff e8 RSP: 0018:ffff88820d8275c8 EFLAGS: 00010293 RAX: ffff88808282e140 RBX: 1ffff11041b04eba RCX: ffffffff81ebabf3 RDX: 0000000000000000 RSI: ffffffff81ebaf83 RDI: 0000000000000005 RBP: ffff88820d827678 R08: ffff88808282e140 R09: ffffed1015d04733 R10: ffffed1015d04732 R11: ffff8880ae823993 R12: ffff88807f7467f0 R13: 0000000000000800 R14: dffffc0000000000 R15: 0000000000000003 write_inode fs/fs-writeback.c:1230 [inline] __writeback_single_inode+0xc74/0x12c0 fs/fs-writeback.c:1429 writeback_single_inode+0x2c1/0x420 fs/fs-writeback.c:1483 sync_inode fs/fs-writeback.c:2520 [inline] sync_inode_metadata+0xa8/0xe0 fs/fs-writeback.c:2540 __generic_file_fsync+0x169/0x200 fs/libfs.c:992 ext4_sync_file+0x826/0x1450 fs/ext4/fsync.c:120 vfs_fsync_range+0x141/0x230 fs/sync.c:197 generic_write_sync include/linux/fs.h:2746 [inline] ext4_file_write_iter+0x7a0/0x1060 fs/ext4/file.c:281 call_write_iter include/linux/fs.h:1820 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x587/0x810 fs/read_write.c:487 __kernel_write+0x110/0x390 fs/read_write.c:506 do_acct_process+0xd37/0x1150 kernel/acct.c:520 slow_acct_process kernel/acct.c:579 [inline] acct_process+0x568/0x61e kernel/acct.c:605 do_exit+0x17fa/0x30d0 kernel/exit.c:870 kthread+0x2c3/0x420 kernel/kthread.c:248 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Kernel Offset: disabled Rebooting in 86400 seconds..