------------[ cut here ]------------ kernel BUG at block/blk-mq.c:1152! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:blk_mq_end_request+0x6c/0x70 block/blk-mq.c:1152 Code: e8 d9 d1 24 fd 48 89 df 89 ee 5b 5d e9 5d f8 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c ce e8 ac 06 84 fd eb c7 e8 b5 d1 24 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f RSP: 0018:ffffc90000147b18 EFLAGS: 00010246 RAX: ffffffff84998a8b RBX: ffff8880248fa380 RCX: ffff88801c2c3b80 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000100 R10: 0000000000000100 R11: 0000000000000009 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8880248fa380 R15: ffffffff8b7a9d28 FS: 0000000000000000(0000) GS:ffff8881268c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b8d4d07a38 CR3: 000000000d7a6000 CR4: 00000000003526f0 Call Trace: blk_complete_reqs block/blk-mq.c:1226 [inline] blk_done_softirq+0x10a/0x160 block/blk-mq.c:1231 handle_softirqs+0x22c/0x710 kernel/softirq.c:579 run_ksoftirqd+0xac/0x210 kernel/softirq.c:968 smpboot_thread_fn+0x53f/0xa60 kernel/smpboot.c:160 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:blk_mq_end_request+0x6c/0x70 block/blk-mq.c:1152 Code: e8 d9 d1 24 fd 48 89 df 89 ee 5b 5d e9 5d f8 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c ce e8 ac 06 84 fd eb c7 e8 b5 d1 24 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f RSP: 0018:ffffc90000147b18 EFLAGS: 00010246 RAX: ffffffff84998a8b RBX: ffff8880248fa380 RCX: ffff88801c2c3b80 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000100 R10: 0000000000000100 R11: 0000000000000009 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8880248fa380 R15: ffffffff8b7a9d28 FS: 0000000000000000(0000) GS:ffff8881268c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b8d4d07a38 CR3: 000000000d7a6000 CR4: 00000000003526f0