Bluetooth: hci1: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.7:11107] Modules linked in: irq event stamp: 4806687 hardirqs last enabled at (4806686): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4806687): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4749190): [] ip_finish_output2+0x70d/0x2120 softirqs last disabled at (4749191): [] do_softirq+0xb1/0xe0 CPU: 1 PID: 11107 Comm: syz-executor.7 Not tainted 6.2.0-rc7-next-20230213 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_acquire.part.0+0x10f/0x320 Code: b6 c9 e8 e4 86 ff ff b8 ff ff ff ff 48 83 c4 28 65 0f c1 05 f3 29 d5 7e 83 f8 01 0f 85 ab 01 00 00 48 85 ed 0f 85 9c 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffff88806cf09960 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff1100d9e132f RCX: 0000000000000001 RDX: 1ffff11001f66b33 RSI: 3d50ccb4cdf584ee RDI: 00000000c0a9ca31 RBP: 0000000000000200 R08: 0000000000000000 R09: ffffffff87764947 R10: fffffbfff0eec928 R11: 0000000000000001 R12: ffffffff85609e60 R13: 0000000000000000 R14: ffff88800fb35040 R15: 0000000000000001 FS: 00007f250c5df700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 0000000045342000 CR4: 0000000000350ee0 Call Trace: __is_insn_slot_addr+0x41/0x290 kernel_text_address+0x48/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xff/0x510 rcu_core+0x822/0x1d40 __do_softirq+0x258/0x8a2 do_softirq+0xb1/0xe0 __local_bh_enable_ip+0xed/0x110 ip_finish_output2+0x73b/0x2120 ip_do_fragment+0x1e14/0x24e0 ip_fragment.constprop.0+0x16b/0x240 __ip_finish_output.part.0+0x883/0xd10 ip_output+0x2ec/0x8e0 ip_push_pending_frames+0x30b/0x5c0 raw_sendmsg+0x120d/0x2c80 inet_sendmsg+0x121/0x150 sock_sendmsg+0x19b/0x200 ____sys_sendmsg+0x74e/0x980 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0xf7/0x1d0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f250f069b19 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:00007f250c5df188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f250f17cf60 RCX: 00007f250f069b19 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005 RBP: 00007f250f0c3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff6bad60df R14: 00007f250c5df300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 syz-executor.7 (11107) used greatest stack depth: 23384 bytes left ---------------- Code disassembly (best guess): 0: b6 c9 mov $0xc9,%dh 2: e8 e4 86 ff ff callq 0xffff86eb 7: b8 ff ff ff ff mov $0xffffffff,%eax c: 48 83 c4 28 add $0x28,%rsp 10: 65 0f c1 05 f3 29 d5 xadd %eax,%gs:0x7ed529f3(%rip) # 0x7ed52a0b 17: 7e 18: 83 f8 01 cmp $0x1,%eax 1b: 0f 85 ab 01 00 00 jne 0x1cc 21: 48 85 ed test %rbp,%rbp 24: 0f 85 9c 01 00 00 jne 0x1c6 * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7