Bluetooth: hci3: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.1:25441] Modules linked in: irq event stamp: 4831463 hardirqs last enabled at (4831462): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4831463): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4767968): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (4767971): [] irq_exit_rcu+0x93/0xc0 CPU: 1 PID: 25441 Comm: syz-executor.1 Not tainted 6.5.0-rc6-next-20230815 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x261/0x25d0 Code: 86 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 f7 93 6f 00 42 8b 04 bd 24 be 51 86 <44> 8d 7d 01 4a 8d 3c bd 24 be 51 86 48 89 fa 89 44 24 28 48 b8 00 RSP: 0018:ffff88806cf095c0 EFLAGS: 00000246 RAX: 000000000001118b RBX: ffff88806cf09640 RCX: 0000000000000100 RDX: 0000000000000000 RSI: ffffffff8113b883 RDI: ffffffff8652ae64 RBP: 0000000000003c10 R08: 0000000000000004 R09: 0000000000003c10 R10: 0000000000038000 R11: 0000000000000000 R12: 0000000000000002 R13: ffffffff813c10df R14: ffff88806cf09681 R15: 0000000000003c10 FS: 00007f52d4a24700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2bd29000 CR3: 000000002d74a000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0xe6/0x160 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 __create_object+0x3c/0xc90 kmem_cache_alloc_node+0x23d/0x3b0 kmalloc_reserve+0x169/0x270 __alloc_skb+0x129/0x330 __netdev_alloc_skb+0x72/0x370 __ieee80211_beacon_get+0x3f6/0xfc0 ieee80211_beacon_get_tim+0xa1/0x550 mac80211_hwsim_beacon_tx+0x402/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:perf_install_in_context+0x2cd/0x570 Code: aa 01 00 00 e8 84 26 f0 ff 48 89 ef e8 fc 40 ff 02 e8 77 26 f0 ff 48 c7 c6 b0 c1 5f 81 4c 89 ff 4c 89 e2 e8 65 52 ff ff 31 ff <89> c3 89 c6 e8 fa 21 f0 ff 85 db 74 34 e8 51 26 f0 ff 48 89 ef e8 RSP: 0018:ffff888040c27cd0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90004fff000 RDX: 0000000000040000 RSI: ffffffff815cc49d RDI: 0000000000000000 RBP: ffff88803ea6a000 R08: 0000000000000005 R09: 00000000fffffff5 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880264d76c0 R13: ffffed1007d4d426 R14: 1ffff11008184f9b R15: ffff888039cf1b40 __do_sys_perf_event_open+0x1903/0x2ae0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x73/0xdd RIP: 0033:0x7f52d74aeb19 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:00007f52d4a24188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f52d75c1f60 RCX: 00007f52d74aeb19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f52d7508f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc499d2faf R14: 00007f52d4a24300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 perf: interrupt took too long (2615 > 2500), lowering kernel.perf_event_max_sample_rate to 76000 syz-executor.5[25469]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.5[25469]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.5[25482]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.5[25488]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.5[25554]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set 9pnet_fd: Insufficient options for proto=fd syz-executor.6[25612]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.1[25613]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.4[25618]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.4[25618]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.6[25626]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set __do_sys_memfd_create: 5 callbacks suppressed syz-executor.0[25970]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.0[25970]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.0[25991]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.0[26006]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set syz-executor.0[26025]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set ---------------- Code disassembly (best guess): 0: 86 48 89 xchg %cl,-0x77(%rax) 3: fa cli 4: 48 c1 ea 03 shr $0x3,%rdx 8: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx c: 48 89 f8 mov %rdi,%rax f: 83 e0 07 and $0x7,%eax 12: 83 c0 03 add $0x3,%eax 15: 38 d0 cmp %dl,%al 17: 7c 09 jl 0x22 19: 84 d2 test %dl,%dl 1b: 74 05 je 0x22 1d: e8 f7 93 6f 00 callq 0x6f9419 22: 42 8b 04 bd 24 be 51 mov -0x79ae41dc(,%r15,4),%eax 29: 86 * 2a: 44 8d 7d 01 lea 0x1(%rbp),%r15d <-- trapping instruction 2e: 4a 8d 3c bd 24 be 51 lea -0x79ae41dc(,%r15,4),%rdi 35: 86 36: 48 89 fa mov %rdi,%rdx 39: 89 44 24 28 mov %eax,0x28(%rsp) 3d: 48 rex.W 3e: b8 .byte 0xb8