Bluetooth: hci2: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.2:22387] Modules linked in: irq event stamp: 3781143 hardirqs last enabled at (3781142): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3781143): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (3720926): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (3720929): [] __irq_exit_rcu+0xcc/0x110 CPU: 0 PID: 22387 Comm: syz-executor.2 Not tainted 6.2.0-next-20230303 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__stack_depot_save+0x13d/0x460 Code: 05 89 d9 23 0d 74 df c8 05 48 8d 0c c8 48 8b 29 48 85 ed 75 12 e9 92 00 00 00 48 8b 6d 00 48 85 ed 0f 84 85 00 00 00 39 5d 08 <75> ee 44 3b 7d 0c 75 e8 31 c0 48 8b 74 c5 18 49 39 34 c6 75 db 48 RSP: 0018:ffff88806ce098d0 EFLAGS: 00000246 RAX: ffff88806c400000 RBX: 00000000d5359787 RCX: ffff88806c6cbc38 RDX: 000000000000000c RSI: 0000000000000003 RDI: 0000000028c9b860 RBP: ffff88803de12020 R08: 0000000025a49a18 R09: ffff88806ce09840 R10: 0000000000038001 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000800 R14: ffff88806ce09958 R15: 000000000000000c FS: 00007f0b4f9aa700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9595c24004 CR3: 0000000040fcc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: set_track_prepare+0x85/0xd0 __create_object+0x3b2/0xc90 kmem_cache_alloc_node+0x21f/0x330 kmalloc_reserve+0x169/0x270 __alloc_skb+0x129/0x330 __netdev_alloc_skb+0x72/0x370 __ieee80211_beacon_get+0x3d9/0x13c0 ieee80211_beacon_get_tim+0x99/0x540 mac80211_hwsim_beacon_tx+0x1d3/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__orc_find+0x6f/0xf0 Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01 RSP: 0018:ffff88804538f728 EFLAGS: 00000212 RAX: 1ffffffff0bf0d62 RBX: ffffffff85f86b10 RCX: ffffffff835df6d6 RDX: 0000000000000000 RSI: ffffffff86391472 RDI: ffffffff85f86b00 RBP: ffffffff85f86b00 R08: ffffffff86391472 R09: ffff88804538f820 R10: 0000000000038001 R11: 0000000000000001 R12: ffffffff85f86b20 R13: ffffffff85f86b00 R14: ffffffff85f86b00 R15: dffffc0000000000 unwind_next_frame+0x29e/0x22d0 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 __kasan_record_aux_stack+0x95/0xb0 __call_rcu_common.constprop.0+0x6a/0xa70 put_task_struct_rcu_user+0x83/0xd0 __schedule+0xbb5/0x2a90 __cond_resched+0x46/0x70 kmem_cache_alloc+0x2be/0x320 sk_prot_alloc+0x5f/0x280 sk_alloc+0x38/0x7b0 inet_create+0x366/0xf00 __sock_create+0x376/0x820 __sys_socket+0x137/0x250 __x64_sys_socket+0x73/0xb0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f0b52434b19 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:00007f0b4f9aa188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f0b52547f60 RCX: 00007f0b52434b19 RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 00007f0b5248ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8458b21f R14: 00007f0b4f9aa300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 22401 Comm: syz-executor.1 Not tainted 6.2.0-next-20230303 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:trace_lock_acquire+0x3a/0x1e0 Code: 65 8b 1d 05 26 d7 7e 89 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 10 84 d2 85 e8 de 2a 54 00 48 0f a3 1d 26 20 a6 04 <0f> 82 de 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f e9 81 RSP: 0018:ffff88806cf098f0 EFLAGS: 00000047 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff812c63e2 RDX: fffffbfff0ba5083 RSI: 0000000000000008 RDI: ffffffff85d28410 RBP: ffffffff8562a6c8 R08: 0000000000000000 R09: ffffffff85d28417 R10: fffffbfff0ba5082 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007fabb9490700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f881d0fb110 CR3: 000000001d362000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: lock_acquire+0x32/0xc0 ktime_get_update_offsets_now+0x9b/0x360 hrtimer_interrupt+0x111/0x750 __sysvec_apic_timer_interrupt+0xff/0x4a0 sysvec_apic_timer_interrupt+0x33/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_switch+0x5d/0x90 Code: 00 31 db 4d 85 f6 74 1e 48 8b 74 dd 10 48 8b 4c 24 28 4c 89 e2 4c 89 ef 48 83 c3 01 e8 8c fd ff ff 49 39 de 75 e2 5b 5d 41 5c <41> 5d 41 5e e9 1e c8 ff 02 41 bd 07 00 00 00 48 83 f8 40 74 be 5b RSP: 0018:ffff88806cf09b68 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff8880326e33a0 RCX: ffffffff830f4dc7 RDX: ffff888044118000 RSI: 0000000000000100 RDI: 0000000000000005 RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880445bb3a0 R13: 0000000000000005 R14: 0000000000000002 R15: 0000000000000000 mac80211_hwsim_tx_frame_no_nl.isra.0+0x887/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:mas_next_node+0x103/0x8d0 Code: 4c 8d 70 01 48 89 ef 4c 89 f6 4c 89 74 24 40 e8 e3 99 09 fd 4c 39 f5 0f 82 f0 03 00 00 e8 c5 9e 09 fd 48 89 df e8 ed f6 ff ff <31> ff 41 89 c6 89 c6 e8 51 9a 09 fd 45 85 f6 0f 85 2c 04 00 00 e8 RSP: 0018:ffff88803130f9d0 EFLAGS: 00000282 RAX: 0000000000000000 RBX: ffff88803130fb40 RCX: 0000000000000000 RDX: ffff888044118000 RSI: ffffffff8441de5d RDI: ffff88803130fb60 RBP: ffffffffffffffff R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: dffffc0000000000 R14: 00007fabba492000 R15: ffff88800e8d1e00 mas_find+0x3f5/0xe60 acct_collect+0x1ca/0x880 do_exit+0x7be/0x2800 do_group_exit+0xd4/0x2a0 get_signal+0x23c8/0x2450 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0x122/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fabbbf1ab19 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:00007fabb9490188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: 0000000000000005 RBX: 00007fabbc02df60 RCX: 00007fabbbf1ab19 RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 00007fabbbf74f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd447061f R14: 00007fabb9490300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 05 89 d9 23 0d add $0xd23d989,%eax 5: 74 df je 0xffffffe6 7: c8 05 48 8d enterq $0x4805,$0x8d b: 0c c8 or $0xc8,%al d: 48 8b 29 mov (%rcx),%rbp 10: 48 85 ed test %rbp,%rbp 13: 75 12 jne 0x27 15: e9 92 00 00 00 jmpq 0xac 1a: 48 8b 6d 00 mov 0x0(%rbp),%rbp 1e: 48 85 ed test %rbp,%rbp 21: 0f 84 85 00 00 00 je 0xac 27: 39 5d 08 cmp %ebx,0x8(%rbp) * 2a: 75 ee jne 0x1a <-- trapping instruction 2c: 44 3b 7d 0c cmp 0xc(%rbp),%r15d 30: 75 e8 jne 0x1a 32: 31 c0 xor %eax,%eax 34: 48 8b 74 c5 18 mov 0x18(%rbp,%rax,8),%rsi 39: 49 39 34 c6 cmp %rsi,(%r14,%rax,8) 3d: 75 db jne 0x1a 3f: 48 rex.W