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kernel BUG at fs/ext4/inode.c:2844!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:ext4_writepages+0x2f83/0x2fb0 fs/ext4/inode.c:2843
Code: 0f 94 c6 bf 02 00 00 00 e8 6a 29 a1 ff 84 db 75 2e e8 11 27 a1 ff 49 bc 00 00 00 00 00 fc ff df e9 47 f9 ff ff e8 fd 26 a1 ff <0f> 0b e8 f6 26 a1 ff 0f 0b e8 ef 26 a1 ff e8 ba ef 41 ff eb 9b e8
RSP: 0018:ffff8881f5db71a0 EFLAGS: 00010293
RAX: ffffffff81be57e3 RBX: 0000010410000000 RCX: ffff8881f5d6af40
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881f5db74f0 R08: dffffc0000000000 R09: ffffed103b9eae7d
R10: ffffed103b9eae7d R11: 1ffff1103b9eae7c R12: dffffc0000000000
R13: ffff8881f5db7810 R14: 0000010000000000 R15: ffff8881dcf574b8
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558c361738 CR3: 00000001ef205000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x127/0x270 mm/page-writeback.c:2366
 __writeback_single_inode+0xd9/0xc30 fs/fs-writeback.c:1467
 writeback_sb_inodes+0x94f/0x1700 fs/fs-writeback.c:1730
 wb_writeback+0x3e1/0xc20 fs/fs-writeback.c:1905
 wb_do_writeback fs/fs-writeback.c:2050 [inline]
 wb_workfn+0x375/0xf90 fs/fs-writeback.c:2091
 process_one_work+0x73b/0xcc0 kernel/workqueue.c:2290
 worker_thread+0xa5c/0x13b0 kernel/workqueue.c:2436
 kthread+0x31e/0x3a0 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
Modules linked in:
---[ end trace 8f9c1c8d9c0f0c7a ]---
RIP: 0010:ext4_writepages+0x2f83/0x2fb0 fs/ext4/inode.c:2843
Code: 0f 94 c6 bf 02 00 00 00 e8 6a 29 a1 ff 84 db 75 2e e8 11 27 a1 ff 49 bc 00 00 00 00 00 fc ff df e9 47 f9 ff ff e8 fd 26 a1 ff <0f> 0b e8 f6 26 a1 ff 0f 0b e8 ef 26 a1 ff e8 ba ef 41 ff eb 9b e8
RSP: 0018:ffff8881f5db71a0 EFLAGS: 00010293
RAX: ffffffff81be57e3 RBX: 0000010410000000 RCX: ffff8881f5d6af40
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881f5db74f0 R08: dffffc0000000000 R09: ffffed103b9eae7d
R10: ffffed103b9eae7d R11: 1ffff1103b9eae7c R12: dffffc0000000000
R13: ffff8881f5db7810 R14: 0000010000000000 R15: ffff8881dcf574b8
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558c361738 CR3: 00000001df7cb000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400