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kernel BUG at fs/ext4/inode.c:2603!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 2967 Comm: kworker/u4:9 Not tainted 6.6.96-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:ext4_do_writepages+0x38cd/0x38d0 fs/ext4/inode.c:2602
Code: c1 03 38 c1 0f 8c 7a fd ff ff 4c 89 e7 e8 5b af ac ff e9 6d fd ff ff e8 91 00 54 ff 0f 0b e8 8a 00 54 ff 0f 0b e8 83 00 54 ff <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc9000bfa6ec0 EFLAGS: 00010293
RAX: ffffffff823195dd RBX: 0000006210000000 RCX: ffff88802c5d3c00
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc9000bfa7230 R08: ffff88805ccb2857 R09: 1ffff1100b99650a
R10: dffffc0000000000 R11: ffffed100b99650b R12: 0000000000000001
R13: ffff88805ccb2ab0 R14: 0000004000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000002c5dd000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_writepages+0x1a8/0x2f0 fs/ext4/inode.c:2807
 do_writepages+0x3a2/0x600 mm/page-writeback.c:2575
 __writeback_single_inode+0x153/0xee0 fs/fs-writeback.c:1625
 writeback_sb_inodes+0x77c/0xef0 fs/fs-writeback.c:1916
 wb_writeback+0x450/0xba0 fs/fs-writeback.c:2095
 wb_do_writeback fs/fs-writeback.c:2242 [inline]
 wb_workfn+0x3ff/0xe20 fs/fs-writeback.c:2282
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_do_writepages+0x38cd/0x38d0 fs/ext4/inode.c:2602
Code: c1 03 38 c1 0f 8c 7a fd ff ff 4c 89 e7 e8 5b af ac ff e9 6d fd ff ff e8 91 00 54 ff 0f 0b e8 8a 00 54 ff 0f 0b e8 83 00 54 ff <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc9000bfa6ec0 EFLAGS: 00010293
RAX: ffffffff823195dd RBX: 0000006210000000 RCX: ffff88802c5d3c00
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc9000bfa7230 R08: ffff88805ccb2857 R09: 1ffff1100b99650a
R10: dffffc0000000000 R11: ffffed100b99650b R12: 0000000000000001
R13: ffff88805ccb2ab0 R14: 0000004000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c37ced3 CR3: 000000007717f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400