------------[ cut here ]------------ kernel BUG at fs/buffer.c:391! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 22 Comm: ksoftirqd/1 Not tainted 6.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:end_buffer_async_write+0x3e4/0x4e0 fs/buffer.c:391 Code: 89 df e8 7f a9 df ff 48 8b 13 48 c7 c7 80 21 18 8b 4c 89 fe 48 c7 c1 60 1d 18 8b e8 26 6f bf 08 e9 6a fd ff ff e8 ec be 85 ff <0f> 0b 4c 89 e5 e8 e2 be 85 ff 48 89 ef 48 c7 c6 e0 20 18 8b e8 73 RSP: 0018:ffffc900001c7b40 EFLAGS: 00010246 RAX: ffffffff8207e4a4 RBX: 000000000000001d RCX: ffff88801667bb80 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8207e122 R09: 1ffff1100c97d122 R10: dffffc0000000000 R11: ffffed100c97d123 R12: dffffc0000000000 R13: ffff888064be8910 R14: 0000000000000001 R15: 1ffff1100c97d122 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa7cd778038 CR3: 00000000774c5000 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:2768 req_bio_endio block/blk-mq.c:783 [inline] blk_update_request+0x53f/0x1020 block/blk-mq.c:928 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1051 blk_complete_reqs block/blk-mq.c:1131 [inline] blk_done_softirq+0x103/0x150 block/blk-mq.c:1136 __do_softirq+0x2ab/0x908 kernel/softirq.c:553 run_ksoftirqd+0xc5/0x120 kernel/softirq.c:921 smpboot_thread_fn+0x533/0x9f0 kernel/smpboot.c:164 kthread+0x2b8/0x350 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:end_buffer_async_write+0x3e4/0x4e0 fs/buffer.c:391 Code: 89 df e8 7f a9 df ff 48 8b 13 48 c7 c7 80 21 18 8b 4c 89 fe 48 c7 c1 60 1d 18 8b e8 26 6f bf 08 e9 6a fd ff ff e8 ec be 85 ff <0f> 0b 4c 89 e5 e8 e2 be 85 ff 48 89 ef 48 c7 c6 e0 20 18 8b e8 73 RSP: 0018:ffffc900001c7b40 EFLAGS: 00010246 RAX: ffffffff8207e4a4 RBX: 000000000000001d RCX: ffff88801667bb80 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8207e122 R09: 1ffff1100c97d122 R10: dffffc0000000000 R11: ffffed100c97d123 R12: dffffc0000000000 R13: ffff888064be8910 R14: 0000000000000001 R15: 1ffff1100c97d122 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa7cd778038 CR3: 00000000774c5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400