------------[ cut here ]------------ kernel BUG at mm/filemap.c:1604! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 5.15.109-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:end_page_writeback+0x501/0x690 mm/filemap.c:1604 Code: 00 00 e8 92 62 d8 ff 4d 89 fd e9 45 01 00 00 e8 85 62 d8 ff 4c 89 e7 48 c7 c6 e0 e3 92 8a e8 a6 33 0e 00 0f 0b e8 6f 62 d8 ff <0f> 0b e8 68 62 d8 ff 4c 89 ff 48 c7 c6 a0 de 92 8a e8 89 33 0e 00 RSP: 0018:ffffc90000d37b68 EFLAGS: 00010246 RAX: ffffffff81a77c11 RBX: 0000000000000000 RCX: ffff88813fe21d00 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000082 R08: ffffffff81a779c1 R09: fffffbfff1bc7466 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001dd8240 R13: dffffc0000000000 R14: ffffea0001dd8248 R15: ffffea0001dd8240 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0829582000 CR3: 00000000750f4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: end_bio_bh_io_sync+0xb3/0x110 fs/buffer.c:3007 req_bio_endio block/blk-core.c:261 [inline] blk_update_request+0x81a/0x13d0 block/blk-core.c:1440 blk_mq_end_request+0x3a/0x70 block/blk-mq.c:575 blk_complete_reqs block/blk-mq.c:587 [inline] blk_done_softirq+0xf2/0x130 block/blk-mq.c:592 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 run_ksoftirqd+0xc1/0x120 kernel/softirq.c:920 smpboot_thread_fn+0x51b/0x9d0 kernel/smpboot.c:164 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Modules linked in: ---[ end trace fcb0cd777eea9bdb ]--- RIP: 0010:end_page_writeback+0x501/0x690 mm/filemap.c:1604 Code: 00 00 e8 92 62 d8 ff 4d 89 fd e9 45 01 00 00 e8 85 62 d8 ff 4c 89 e7 48 c7 c6 e0 e3 92 8a e8 a6 33 0e 00 0f 0b e8 6f 62 d8 ff <0f> 0b e8 68 62 d8 ff 4c 89 ff 48 c7 c6 a0 de 92 8a e8 89 33 0e 00 RSP: 0018:ffffc90000d37b68 EFLAGS: 00010246 RAX: ffffffff81a77c11 RBX: 0000000000000000 RCX: ffff88813fe21d00 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000082 R08: ffffffff81a779c1 R09: fffffbfff1bc7466 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001dd8240 R13: dffffc0000000000 R14: ffffea0001dd8248 R15: ffffea0001dd8240 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0829582000 CR3: 00000000750f4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400