Bluetooth: hci3: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.4:4592] Modules linked in: irq event stamp: 4796573 hardirqs last enabled at (4796572): [] asm_sysvec_irq_work+0x1a/0x20 hardirqs last disabled at (4796573): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4777828): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (4777831): [] irq_exit_rcu+0x93/0xc0 CPU: 1 PID: 4592 Comm: syz-executor.4 Not tainted 6.5.0-rc4-next-20230801 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mce_rdmsrl+0x18/0x90 Code: 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 54 41 89 fc 53 0f 1f 44 00 00 31 ff 65 8a 1d 2b bc a8 7b <89> de 0f 1f 44 00 00 84 db 75 24 0f 1f 44 00 00 44 89 e1 0f 32 48 RSP: 0018:ffff88806cf09b90 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff1100d9e138b RDX: 1ffff1100d9e138f RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88806cf09c08 R08: 0000000000000001 R09: 0000000000000000 R10: ffff88806cf09c08 R11: 0000000000000001 R12: 000000000000017a R13: 00000000000493e0 R14: ffff88806cf27f00 R15: ffff88806cf21060 FS: 00007f99061c6700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2e41ecdf80 CR3: 0000000042874000 CR4: 0000000000350ee0 Call Trace: mce_gather_info+0x21/0xa0 machine_check_poll+0xa2/0x470 mce_timer_fn+0x119/0x190 call_timer_fn+0x17d/0x4e0 expire_timers+0x272/0x460 run_timer_softirq+0x2f5/0x880 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_irq_work+0x6e/0x90 asm_sysvec_irq_work+0x1a/0x20 RIP: 0010:unwind_next_frame+0x4a2/0x2490 Code: 00 fc ff df 48 8d 41 05 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 c6 83 e6 07 40 38 f2 7f 08 84 d2 0f 85 1d 17 00 00 0f b6 51 05 <83> e2 07 0f 84 51 fe ff ff 80 fa 01 0f 84 70 fe ff ff 4c 8d 41 04 RSP: 0018:ffff88804148f678 EFLAGS: 00000246 RAX: ffffffff861562fd RBX: 0000000000000001 RCX: ffffffff861562f8 RDX: 0000000000000002 RSI: 0000000000000005 RDI: ffffffff85e10a00 RBP: ffff88804148f740 R08: ffffffff861562f8 R09: ffff88804148f728 R10: 0000000000038001 R11: 0000000000021262 R12: ffff88804148f748 R13: ffff88804148f730 R14: ffff88804148f729 R15: ffff88804148f6e8 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x17b/0x390 copy_process+0x20e8/0x7320 kernel_clone+0xeb/0x810 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f9908c50b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f99061c6188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f9908d63f60 RCX: 00007f9908c50b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f9908caaf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcb6f9bc6f R14: 00007f99061c6300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 66 0f 1f 00 nopw (%rax) 16: 41 54 push %r12 18: 41 89 fc mov %edi,%r12d 1b: 53 push %rbx 1c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 21: 31 ff xor %edi,%edi 23: 65 8a 1d 2b bc a8 7b mov %gs:0x7ba8bc2b(%rip),%bl # 0x7ba8bc55 * 2a: 89 de mov %ebx,%esi <-- trapping instruction 2c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 31: 84 db test %bl,%bl 33: 75 24 jne 0x59 35: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 3a: 44 89 e1 mov %r12d,%ecx 3d: 0f 32 rdmsr 3f: 48 rex.W