watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.3:12503] Modules linked in: irq event stamp: 4533371 hardirqs last enabled at (4533370): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4533371): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4524854): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4524857): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 12503 Comm: syz-executor.3 Not tainted 6.1.0-rc4-next-20221110 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__stack_depot_save+0x49/0x4e0 Code: 38 65 48 8b 04 25 28 00 00 00 48 89 44 24 30 31 c0 48 c7 44 24 28 00 00 00 00 e8 42 4f 16 ff 85 c0 74 09 80 3d 8f 70 98 05 00 <74> 35 44 89 e0 81 e5 ff ff ff 07 c1 e0 1b 09 e8 48 8b 4c 24 30 65 RSP: 0018:ffff88806d009740 EFLAGS: 00000246 RAX: 0000000000000011 RBX: 0000000000000001 RCX: 0000000000092820 RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff88806d009830 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000092820 R15: ffff88806d0097b0 FS: 00007fd294862700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3b75b8000 CR3: 000000003f46e000 CR4: 0000000000350ef0 Call Trace: kasan_save_stack+0x35/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x1b1/0x3e0 __create_object+0x3d/0xc00 kmem_cache_alloc_node+0x25a/0x400 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_is_held_type+0xfc/0x130 Code: a0 fb 66 84 e8 b5 0e 00 00 b8 ff ff ff ff 65 0f c1 05 b8 84 c6 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 36 42 02 00 45 31 ed eb RSP: 0018:ffff8880430f7560 EFLAGS: 00000296 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff85407d60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801ec2d040 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801ec2d9a0 __schedule+0x170/0x25d0 preempt_schedule_common+0x45/0xc0 __cond_resched+0x1b/0x30 __kmem_cache_alloc_node+0x2cf/0x3d0 __kmalloc+0x46/0xc0 __netlink_kernel_create+0x1ad/0x870 audit_net_init+0x1b8/0x3f0 ops_init+0xbb/0x680 setup_net+0x40c/0x9d0 copy_net_ns+0x31c/0x760 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x3b7/0x4a0 copy_process+0x29e3/0x7160 kernel_clone+0xeb/0x890 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fd2972ecb19 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:00007fd294862188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fd2973fff60 RCX: 00007fd2972ecb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fd297346f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7ef1ba2f R14: 00007fd294862300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 12516 Comm: syz-executor.5 Not tainted 6.1.0-rc4-next-20221110 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:check_preemption_disabled+0x33/0x180 Code: 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 21 77 c7 7b 65 8b 1d 16 77 c7 7b 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db <74> 15 0f 1f 44 00 00 44 89 e0 5b 5d 41 5c 41 5d 41 5e e9 2a 35 02 RSP: 0018:ffff88806d1092d8 EFLAGS: 00000006 RAX: 0000000000000000 RBX: 0000000000010103 RCX: 0000000000000100 RDX: ffff88800fb51ac0 RSI: 0000000000010103 RDI: 0000000000000000 RBP: ffffffff847ee100 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff847ee0c0 R14: ffff88806d109958 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562b462757e8 CR3: 000000001ef54000 CR4: 0000000000350ee0 Call Trace: rcu_is_watching+0x15/0xb0 perf_output_begin_forward+0x6f6/0xb00 perf_event_output_forward+0xf6/0x280 __perf_event_overflow+0x2d6/0x5b0 perf_swevent_hrtimer+0x361/0x3d0 __hrtimer_run_queues+0x184/0xb50 hrtimer_interrupt+0x319/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:kasan_check_range+0x8d/0x1d0 Code: 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1 ea 03 48 01 c5 49 01 c2 48 89 e8 49 8d 5a 01 48 89 da 48 29 ea 48 83 fa 10 <0f> 8e d0 00 00 00 41 89 eb 41 83 e3 07 75 5f 48 85 d2 4c 8d 5a 07 RSP: 0018:ffff88806d109a08 EFLAGS: 00000283 RAX: fffffbfff0b088f4 RBX: fffffbfff0b088f5 RCX: ffffffff843e24cb RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff858447a0 RBP: fffffbfff0b088f4 R08: 0000000000000000 R09: ffffffff858447a3 R10: fffffbfff0b088f4 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b088f4 R14: 0000000000000001 R15: 1ffff1100da21346 queued_spin_lock_slowpath+0xab/0xc80 do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_release+0x3e1/0x750 Code: ff ff ff ff 65 0f c1 05 1d b2 d6 7e 83 f8 01 0f 85 b1 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff8880427df590 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 6fcad38d21491a93 RCX: ffff8880427df5e0 RDX: 1ffff11001f6a482 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff110084fbeb4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000003 R14: ffff88800fb52418 R15: ffff88800fb51ac0 page_remove_rmap+0x1ca/0x780 unmap_page_range+0x2002/0x2c30 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21a5/0x22e0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f4205245b19 Code: Unable to access opcode bytes at 0x7f4205245aef. RSP: 002b:00007f42027baf48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: 0000000000000004 RBX: 0000000020000040 RCX: 00007f4205245b19 RDX: 0000000000020000 RSI: 0000000000000000 RDI: 00007f420529f0fb RBP: 0000000000000002 R08: 0000000000010000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000008100000 R13: 00000000200000c0 R14: 0000000000020000 R15: 0000000020000040 Bluetooth: hci0: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 38 65 48 cmp %ah,0x48(%rbp) 3: 8b 04 25 28 00 00 00 mov 0x28,%eax a: 48 89 44 24 30 mov %rax,0x30(%rsp) f: 31 c0 xor %eax,%eax 11: 48 c7 44 24 28 00 00 movq $0x0,0x28(%rsp) 18: 00 00 1a: e8 42 4f 16 ff callq 0xff164f61 1f: 85 c0 test %eax,%eax 21: 74 09 je 0x2c 23: 80 3d 8f 70 98 05 00 cmpb $0x0,0x598708f(%rip) # 0x59870b9 * 2a: 74 35 je 0x61 <-- trapping instruction 2c: 44 89 e0 mov %r12d,%eax 2f: 81 e5 ff ff ff 07 and $0x7ffffff,%ebp 35: c1 e0 1b shl $0x1b,%eax 38: 09 e8 or %ebp,%eax 3a: 48 8b 4c 24 30 mov 0x30(%rsp),%rcx 3f: 65 gs