------------[ cut here ]------------ kernel BUG at mm/filemap.c:1619! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 6.4.0-rc2-syzkaller-gf1fcbaa18b28 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 RIP: 0010:folio_end_writeback+0x432/0x6f0 mm/filemap.c:1619 Code: 84 d3 00 00 00 e8 2e 68 d0 ff e9 4c fc ff ff e8 24 68 d0 ff 4c 89 ff 48 c7 c6 80 6a f5 8a e8 35 47 12 00 0f 0b e8 0e 68 d0 ff <0f> 0b e8 07 68 d0 ff 4c 89 ff 48 c7 c6 40 6d f5 8a e8 18 47 12 00 RSP: 0018:ffffc900001b7b38 EFLAGS: 00010246 RAX: ffffffff81ba70e2 RBX: 0000000000000082 RCX: ffff888017249dc0 RDX: 0000000080000100 RSI: ffffffff8aebffa0 RDI: ffffffff8b3db3c0 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1cec386 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00007b2434 R13: 1ffffd40000f6486 R14: ffffea00007b2408 R15: ffffea00007b2400 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558a4683b131 CR3: 00000000713ca000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: end_bio_bh_io_sync+0xb3/0x110 fs/buffer.c:2730 req_bio_endio block/blk-mq.c:761 [inline] blk_update_request+0x53b/0x1010 block/blk-mq.c:906 blk_mq_end_request+0x4c/0x310 block/blk-mq.c:1023 blk_complete_reqs block/blk-mq.c:1101 [inline] blk_done_softirq+0xf8/0x140 block/blk-mq.c:1106 __do_softirq+0x2a7/0x8fc kernel/softirq.c:571 run_ksoftirqd+0xc1/0x120 kernel/softirq.c:939 smpboot_thread_fn+0x51b/0x9d0 kernel/smpboot.c:164 kthread+0x2b0/0x340 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_end_writeback+0x432/0x6f0 mm/filemap.c:1619 Code: 84 d3 00 00 00 e8 2e 68 d0 ff e9 4c fc ff ff e8 24 68 d0 ff 4c 89 ff 48 c7 c6 80 6a f5 8a e8 35 47 12 00 0f 0b e8 0e 68 d0 ff <0f> 0b e8 07 68 d0 ff 4c 89 ff 48 c7 c6 40 6d f5 8a e8 18 47 12 00 RSP: 0018:ffffc900001b7b38 EFLAGS: 00010246 RAX: ffffffff81ba70e2 RBX: 0000000000000082 RCX: ffff888017249dc0 RDX: 0000000080000100 RSI: ffffffff8aebffa0 RDI: ffffffff8b3db3c0 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1cec386 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00007b2434 R13: 1ffffd40000f6486 R14: ffffea00007b2408 R15: ffffea00007b2400 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558a4683b131 CR3: 00000000713ca000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400