watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:11943] Modules linked in: irq event stamp: 7251983 hardirqs last enabled at (7251982): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (7251983): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (7199932): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (7199935): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 11943 Comm: syz-executor.1 Not tainted 6.1.0-rc8-next-20221208 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lockdep_init_map_type+0x1e6/0x7f0 Code: ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 4a 04 00 00 48 8d 7d 22 44 88 45 21 48 b8 00 00 00 00 00 fc ff df <48> 89 fa 48 c1 ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 RSP: 0018:ffff88806ce099d8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff848fdf80 RDI: ffff8880226466fa RBP: ffff8880226466d8 R08: 0000000000000002 R09: 0000000000000000 R10: ffff88806c4b0ad0 R11: 0000000000000001 R12: ffffffff879db740 R13: 0000000000000000 R14: ffffffff879bb7c0 R15: ffff8880226466c0 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f29f7ea61f0 CR3: 000000000e838000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __raw_spin_lock_init+0x3a/0x110 __create_object+0x121/0xc10 kmem_cache_alloc_node+0x283/0x420 __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+0x54b/0xba0 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:_raw_spin_unlock+0x3e/0x50 Code: ea fc 48 89 ef e8 b2 ac ea fc bf 01 00 00 00 e8 88 09 e0 fc 65 8b 05 f9 90 c1 7b 85 c0 74 06 5d e9 6b 2a 00 00 0f 1f 44 00 00 <5d> e9 60 2a 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff888042d8f6f0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffff88801c3b2b40 R08: 0000000000000000 R09: ffff88801c3b2b43 R10: ffffed1003876568 R11: 0000000000000001 R12: ffffffff85d08dd0 R13: 0000000000000004 R14: ffff888017c7f420 R15: ffff888042d8fad8 unmap_page_range+0xd42/0x2c10 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+0x21b7/0x22f0 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: 0033:0x7fbfa5ab0b19 Code: Unable to access opcode bytes at 0x7fbfa5ab0aef. RSP: 002b:00007fbfa3026188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: fffffffffffffff4 RBX: 00007fbfa5bc3f60 RCX: 00007fbfa5ab0b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fbfa5b0af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc0f7b23f R14: 00007fbfa3026300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 11947 Comm: syz-executor.0 Not tainted 6.1.0-rc8-next-20221208 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lapic_next_deadline+0x25/0x50 Code: 90 90 90 90 90 f3 0f 1e fa 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 e9 46 ff 31 03 48 89 c6 31 d2 bf e0 06 00 00 e8 83 88 RSP: 0018:ffff88806cf09ed8 EFLAGS: 00000016 RAX: 00000214602357d4 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 0000000000000214 RSI: ffff88806cf28100 RDI: 00000000000001cc RBP: ffff88806cf28100 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000526 R11: 0000000000000001 R12: 00000000000001cc R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806cf2b840 FS: 00007fcaeb526700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2b3b032010 CR3: 0000000049b08000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x248/0x360 tick_program_event+0xb0/0x150 hrtimer_interrupt+0x36a/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x8d/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__local_bh_enable_ip+0xac/0x130 Code: 1d f1 40 eb 7e 65 8b 05 ea 40 eb 7e a9 00 ff ff 00 74 49 bf 01 00 00 00 e8 61 b9 09 00 e8 dc 1e 38 00 fb 65 8b 05 cc 40 eb 7e <85> c0 74 5c 5b 5d e9 3d da 29 03 65 8b 05 2e 3d ea 7e 85 c0 75 9e RSP: 0018:ffff88803f5bf898 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 00000000fffffe00 RCX: ffffffff812b8edf RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff8388f941 R08: 0000000000000001 R09: ffffffff8762e8cf R10: fffffbfff0ec5d19 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000003b R14: 0000000000000000 R15: ffff88800a6d6650 tcp_metrics_flush_all+0x251/0x330 ops_exit_list+0x12b/0x180 setup_net+0x61d/0x9d0 copy_net_ns+0x31c/0x760 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x3b7/0x4a0 copy_process+0x29e3/0x7220 kernel_clone+0xeb/0x950 __do_sys_clone3+0x1d9/0x370 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fcaedfb0b19 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:00007fcaeb526188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fcaee0c3f60 RCX: 00007fcaedfb0b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fcaee00af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0e54f40f R14: 00007fcaeb526300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 03 0f add (%rdi),%ecx 2: b6 04 mov $0x4,%dh 4: 02 48 89 add -0x77(%rax),%cl 7: fa cli 8: 83 e2 07 and $0x7,%edx b: 38 d0 cmp %dl,%al d: 7f 08 jg 0x17 f: 84 c0 test %al,%al 11: 0f 85 4a 04 00 00 jne 0x461 17: 48 8d 7d 22 lea 0x22(%rbp),%rdi 1b: 44 88 45 21 mov %r8b,0x21(%rbp) 1f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 26: fc ff df * 29: 48 89 fa mov %rdi,%rdx <-- trapping instruction 2c: 48 c1 ea 03 shr $0x3,%rdx 30: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 34: 48 89 fa mov %rdi,%rdx 37: 83 e2 07 and $0x7,%edx 3a: 38 d0 cmp %dl,%al 3c: 7f 08 jg 0x46 3e: 84 .byte 0x84