wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPVS: ftp: loaded support on port[0] = 21 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:0] Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:58 Code: 65 48 8b 04 25 80 4f 01 00 f0 80 48 02 20 48 8b 00 a8 08 75 c3 eb 8b 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 RSP: 0018:ffffffff83603df8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: ffffffff8267f3a0 RBX: 0000000000000000 RCX: ffffffff836b6110 RDX: 000000000000ab02 RSI: ffffffff836b5a08 RDI: 000000182da931ca RBP: ffffffff83603df8 R08: 000000000000000a R09: 00000000fbe6e3b6 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff83695720 FS: 0000000000000000(0000) GS:ffff880237a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005598dac24678 CR3: 0000000221414000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] default_idle+0x2b/0x130 arch/x86/kernel/process.c:498 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489 default_idle_call+0x31/0x40 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x238/0x2d0 kernel/sched/idle.c:262 cpu_startup_entry+0x6e/0x70 kernel/sched/idle.c:368 rest_init+0x115/0x11b init/main.c:442 start_kernel+0x445/0x466 init/main.c:739 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x71/0x74 arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__lock_acquire.isra.10+0x12d/0x680 kernel/locking/lockdep.c:3356 Code: 18 48 89 53 08 66 25 00 e0 09 f8 66 89 43 20 0f b6 c4 83 e0 7f 44 09 e0 88 43 21 0f b6 43 22 83 e0 fc 09 c1 88 4b 22 8b 53 20 <81> e2 ff 9f fb ff 89 d0 89 53 20 c1 e8 10 83 e0 f3 41 09 c0 44 88 RSP: 0018:ffff880237b03dc0 EFLAGS: 00000002 RAX: 0000000000000008 RBX: ffff8802345c4cb0 RCX: 0000000000000008 RDX: 0000000000080001 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff880237b03df0 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: ffff8802345c4c88 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8802345c4440 R15: ffffffff84639e80 FS: 0000000000000000(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc5945d408 CR3: 000000022606e000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0xc2/0x160 kernel/locking/lockdep.c:3900 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x4a/0x70 kernel/locking/spinlock.c:152 debug_object_activate lib/debugobjects.c:473 [inline] debug_object_activate+0x4e/0x1c0 lib/debugobjects.c:457 debug_hrtimer_activate kernel/time/hrtimer.c:416 [inline] debug_activate kernel/time/hrtimer.c:465 [inline] enqueue_hrtimer+0x20/0xc0 kernel/time/hrtimer.c:954 __run_hrtimer kernel/time/hrtimer.c:1413 [inline] __hrtimer_run_queues+0x28c/0x2f0 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0xf1/0x200 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline] smp_apic_timer_interrupt+0x81/0x170 arch/x86/kernel/apic/apic.c:1054 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:58 Code: 65 48 8b 04 25 80 4f 01 00 f0 80 48 02 20 48 8b 00 a8 08 75 c3 eb 8b 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 RSP: 0018:ffffc90000cbfe60 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: ffffffff8267f3a0 RBX: 0000000000000001 RCX: ffffffff836b6110 RDX: 00000000000106be RSI: ffffffff836b5a08 RDI: 0000001ddb6b0f4a RBP: ffffc90000cbfe60 R08: 000000000000000a R09: 00000000fbe6e3b6 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff83695720 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] default_idle+0x2b/0x130 arch/x86/kernel/process.c:498 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489 default_idle_call+0x31/0x40 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x238/0x2d0 kernel/sched/idle.c:262 cpu_startup_entry+0x6e/0x70 kernel/sched/idle.c:368 start_secondary+0x1d0/0x230 arch/x86/kernel/smpboot.c:271 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243