------------[ 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 6.3.0-rc2-syzkaller-00047-g6015b1aca1a2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:folio_end_writeback+0x43a/0x700 mm/filemap.c:1619 Code: 84 db 00 00 00 e8 f6 32 d1 ff e9 48 fc ff ff e8 ec 32 d1 ff 4c 89 ff 48 c7 c6 20 aa f2 8a e8 4d a7 0f 00 0f 0b e8 d6 32 d1 ff <0f> 0b e8 cf 32 d1 ff 4c 89 ff 48 c7 c6 e0 ac f2 8a e8 30 a7 0f 00 RSP: 0018:ffffc900001b7b60 EFLAGS: 00010246 RAX: ffffffff81b93a4a RBX: 0000000000000082 RCX: ffff8880172f1d40 RDX: 0000000080000100 RSI: ffffffff8aea8d60 RDI: ffffffff8b380140 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ca6ea6 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001f7a1f4 R13: 1ffffd40003ef43e R14: ffffea0001f7a1c8 R15: ffffea0001f7a1c0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556fad888 CR3: 0000000026a16000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: end_bio_bh_io_sync+0xb7/0x110 fs/buffer.c:2703 req_bio_endio block/blk-mq.c:795 [inline] blk_update_request+0x4d7/0xfe0 block/blk-mq.c:927 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1054 blk_complete_reqs block/blk-mq.c:1132 [inline] blk_done_softirq+0xfc/0x150 block/blk-mq.c:1137 __do_softirq+0x2ab/0x908 kernel/softirq.c:571 run_ksoftirqd+0xc5/0x120 kernel/softirq.c:934 smpboot_thread_fn+0x533/0x9f0 kernel/smpboot.c:164 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_end_writeback+0x43a/0x700 mm/filemap.c:1619 Code: 84 db 00 00 00 e8 f6 32 d1 ff e9 48 fc ff ff e8 ec 32 d1 ff 4c 89 ff 48 c7 c6 20 aa f2 8a e8 4d a7 0f 00 0f 0b e8 d6 32 d1 ff <0f> 0b e8 cf 32 d1 ff 4c 89 ff 48 c7 c6 e0 ac f2 8a e8 30 a7 0f 00 RSP: 0018:ffffc900001b7b60 EFLAGS: 00010246 RAX: ffffffff81b93a4a RBX: 0000000000000082 RCX: ffff8880172f1d40 RDX: 0000000080000100 RSI: ffffffff8aea8d60 RDI: ffffffff8b380140 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ca6ea6 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001f7a1f4 R13: 1ffffd40003ef43e R14: ffffea0001f7a1c8 R15: ffffea0001f7a1c0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556fad888 CR3: 0000000026a16000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400