Bluetooth: hci0: command 0x0406 tx timeout wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) watchdog: BUG: soft lockup - CPU#1 stuck for 120s! [syz-executor.3:8712] Modules linked in: irq event stamp: 21606169 hardirqs last enabled at (21606168): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (21606169): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (21571490): [] __do_softirq+0x69a/0x9a0 kernel/softirq.c:318 softirqs last disabled at (21571493): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (21571493): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 8712 Comm: syz-executor.3 Not tainted 4.19.155-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3910 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d 89 e2 a4 08 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0018:ffff8880ba107ae8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3001 RBX: ffff88804e862040 RCX: 0000000000001464 RDX: dffffc0000000000 RSI: 00000000b1602165 RDI: 0000000000000286 RBP: ffffffff8ae5fd40 R08: ffffffff8cd18820 R09: 0000000000000004 R10: ffff88804e862968 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f0be1931700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d74d59e048 CR3: 0000000009e6d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000000d0eb DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] __dev_xmit_skb net/core/dev.c:3469 [inline] __dev_queue_xmit+0x134e/0x2e00 net/core/dev.c:3807 mrp_queue_xmit net/802/mrp.c:354 [inline] mrp_join_timer+0x8a/0xc0 net/802/mrp.c:598 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1716 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:rcu_read_unlock_special+0x7/0xfc0 kernel/rcu/tree_plugin.h:484 Code: 84 0d da 00 00 e9 16 da 00 00 48 c7 c7 80 c4 45 8a e8 9d a7 47 00 eb c9 90 66 2e 0f 1f 84 00 00 00 00 00 65 8b 05 59 8f ae 7e 00 00 10 00 0f 85 58 04 00 00 48 c7 c0 00 80 f1 89 41 57 48 ba RSP: 0018:ffff888018777708 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: ffff88804e862040 RCX: ffffffff815382e3 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88804e862040 RBP: ffff88804e8623b0 R08: 0000000000000000 R09: ffffed1017424552 R10: ffff8880ba122a93 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dead000000000100 R15: 00007f0be24c3000 __rcu_read_unlock+0x158/0x160 kernel/rcu/tree_plugin.h:428 rcu_read_unlock include/linux/rcupdate.h:680 [inline] __unlock_page_memcg+0x54/0x100 mm/memcontrol.c:1955 page_remove_rmap+0xe5/0x120 mm/rmap.c:1300 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1452 [inline] zap_pud_range mm/memory.c:1481 [inline] zap_p4d_range mm/memory.c:1502 [inline] unmap_page_range+0x12f6/0x2a70 mm/memory.c:1523 unmap_single_vma+0x198/0x300 mm/memory.c:1568 unmap_vmas+0xa9/0x180 mm/memory.c:1598 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:546 [inline] do_exit+0xab5/0x2b70 kernel/exit.c:874 do_group_exit+0x125/0x310 kernel/exit.c:990 get_signal+0x3f2/0x1f70 kernel/signal.c:2588 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45deb9 Code: Bad RIP value. RSP: 002b:00007f0be1930c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: 00000000000118a8 RBX: 000000000002e940 RCX: 000000000045deb9 RDX: 00000000000118a8 RSI: 0000000020847fff RDI: 0000000000000005 RBP: 000000000118c218 R08: 000000002005ffe4 R09: 000000000000001c R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118c1cc R13: 00007ffc80987f9f R14: 00007f0be19319c0 R15: 000000000118c1cc Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8129 Comm: syz-fuzzer Not tainted 4.19.155-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0033:0x41f929 Code: eb 07 49 8d 7b 08 48 89 f9 48 39 d1 0f 83 62 01 00 00 48 89 4c 24 50 48 85 c9 74 0b 83 fe 03 0f 83 f9 00 00 00 ff c6 0f b6 3b <49> 89 cb 89 f1 41 89 fc d3 ef 49 83 fb 08 74 0a 0f ba e7 04 0f 83 RSP: 002b:000000c0001d9ea8 EFLAGS: 00000246 RAX: 0000000000203004 RBX: 00007f121748f702 RCX: 0000000000000010 RDX: 0000000000000030 RSI: 0000000000000000 RDI: 0000000000000074 RBP: 000000c0001d9f28 R08: 00007f12174e7fff R09: 000000c0134ee030 R10: 000000c00002d698 R11: 0000000000000008 R12: 0000000000000040 R13: 000000c000001c80 R14: 0000000000aff722 R15: 0000000000000000 FS: 000000c000098b10 GS: 0000000000000000