watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:11564] Modules linked in: irq event stamp: 4097809 hardirqs last enabled at (4097808): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4097809): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4071854): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (4071857): [] __irq_exit_rcu+0xcc/0x110 CPU: 0 PID: 11564 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:unwind_next_frame+0x1ea/0x22d0 Code: 48 89 54 24 28 48 89 74 24 20 44 89 54 24 18 e8 1c 60 6d 00 48 8b 54 24 28 48 8b 74 24 20 44 8b 54 24 18 8b 0c 95 b0 70 4c 86 <8d> 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 b0 70 4c 86 49 RSP: 0018:ffff88806ce09620 EFLAGS: 00000246 RAX: 0000000000000003 RBX: ffffffff813a5a3f RCX: 0000000000010cdc RDX: 0000000000003a5a RSI: 0000000000003a5a RDI: ffffffff864d5a18 RBP: ffff88806ce096e8 R08: 0000000000000001 R09: ffff88806ce096d0 R10: 0000000000038001 R11: 0000000000000001 R12: ffff88806ce096f0 R13: ffff88806ce09690 R14: ffff88806ce096d1 R15: 0000000000000002 FS: 00007fc9db5a7700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dd24000 CR3: 0000000032f0c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x172/0x320 __create_object+0x3c/0xc90 kmem_cache_alloc_node+0x21f/0x330 __alloc_skb+0x28c/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:unwind_next_frame+0x162/0x22d0 Code: 80 3c 11 00 0f 85 29 19 00 00 49 8b 5d 58 3c 01 48 83 db 00 48 85 db 0f 84 1d 02 00 00 48 81 fb 00 00 00 81 0f 82 44 01 00 00 <48> 81 fb 00 00 80 84 0f 83 37 01 00 00 44 8b 15 52 39 17 04 48 89 RSP: 0018:ffff88803db173c8 EFLAGS: 00000206 RAX: 0000000000000000 RBX: ffffffff8448c98e RCX: 1ffff11007b62e92 RDX: dffffc0000000000 RSI: ffffffff8448c98f RDI: ffff88803db17438 RBP: ffff88803db17490 R08: 0000000000000001 R09: ffff88803db17478 R10: 0000000000038001 R11: 0000000000000001 R12: ffff88803db17498 R13: ffff88803db17438 R14: ffff88803db17479 R15: 0000000000000001 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x172/0x320 mas_alloc_nodes+0x402/0x8a0 mas_node_count_gfp+0x106/0x140 mas_root_expand.isra.0+0x92/0x700 mas_wr_store_entry.isra.0+0x765/0x1090 mas_store_gfp+0xce/0x1f0 do_vmi_align_munmap.constprop.0+0x5d6/0x1180 do_vmi_munmap+0x1ec/0x2c0 mmap_region+0x1f1/0x2510 do_mmap+0x82c/0xf50 vm_mmap_pgoff+0x1a6/0x3a0 ksys_mmap_pgoff+0x3a3/0x4f0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc9de052b19 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:00007fc9db5a7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fc9de166020 RCX: 00007fc9de052b19 RDX: 0000000001000004 RSI: 0000000000002000 RDI: 0000000020ffc000 RBP: 00007fc9de0acf6d R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000002811 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff10a5daff R14: 00007fc9db5a7300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 11557 Comm: syz-executor.7 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: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 66 d0 3a 03 48 89 c6 31 d2 bf e0 06 00 00 e8 63 06 RSP: 0018:ffff88806cf09638 EFLAGS: 00000012 RAX: 000001ce1ec8f8d4 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000001ce RSI: ffff88806cf28140 RDI: 0000000000000161 RBP: ffff88806cf28140 R08: 0000000000000007 R09: 0000000000000000 R10: 00000000000003f4 R11: 0000000000000001 R12: 0000000000000161 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806cf2b8c0 FS: 00007fced17d6700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ea2a4ac648 CR3: 000000001fbd8000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x248/0x360 tick_program_event+0xa4/0x140 hrtimer_interrupt+0x340/0x750 __sysvec_apic_timer_interrupt+0xff/0x4a0 sysvec_apic_timer_interrupt+0x33/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unwind_next_frame+0x1af/0x22d0 Code: 8d 42 ff 39 c6 0f 83 26 15 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 b0 70 4c 86 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 27 84 c9 74 23 48 89 54 24 28 RSP: 0018:ffff88806cf09810 EFLAGS: 00000217 RAX: dffffc0000000000 RBX: ffffffff844b39c7 RCX: 0000000000000000 RDX: 0000000000034b39 RSI: 0000000000034b39 RDI: ffffffff86599d94 RBP: ffff88806cf098d8 R08: 0000000000000001 R09: ffff88806cf098c0 R10: 0000000000038001 R11: 0000000000000001 R12: ffff88806cf098e0 R13: ffff88806cf09880 R14: ffff88806cf098c1 R15: 0000000000000002 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xff/0x510 skb_release_data+0x708/0x840 consume_skb+0xd0/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 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:lock_is_held_type+0xa/0x120 Code: b5 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 8b 0d 06 7b 89 01 <41> b8 ff ff ff ff 85 c9 0f 84 de 00 00 00 65 8b 05 21 6d b9 7b 85 RSP: 0018:ffff88803cf16fa8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 00000000000393c0 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8560a8c0 RBP: ffff88803cf170c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88806cf393c0 R13: ffff8880395a5040 R14: 0000000000000001 R15: ffff88800f155000 __schedule+0x1457/0x2a90 __cond_resched+0x46/0x70 __mutex_lock+0xa3/0x14a0 kernfs_xattr_get+0x29/0xa0 selinux_kernfs_init_security+0xf3/0x4d0 security_kernfs_init_security+0x52/0xb0 __kernfs_new_node+0x54d/0x870 kernfs_new_node+0x97/0x120 __kernfs_create_file+0x55/0x350 sysfs_add_file_mode_ns+0x21c/0x440 sysfs_create_file_ns+0x12f/0x1d0 device_create_file+0xee/0x1e0 device_add+0x3c6/0x1ab0 netdev_register_kobject+0x17e/0x3b0 register_netdevice+0xd60/0x1530 register_netdev+0x31/0x60 loopback_net_init+0x7a/0x180 ops_init+0xbb/0x6b0 setup_net+0x3d9/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2a5e/0x7390 kernel_clone+0xeb/0x8c0 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fced4260b19 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:00007fced17d6188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fced4373f60 RCX: 00007fced4260b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fced42baf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff7607917f R14: 00007fced17d6300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 48 89 54 24 28 mov %rdx,0x28(%rsp) 5: 48 89 74 24 20 mov %rsi,0x20(%rsp) a: 44 89 54 24 18 mov %r10d,0x18(%rsp) f: e8 1c 60 6d 00 callq 0x6d6030 14: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 19: 48 8b 74 24 20 mov 0x20(%rsp),%rsi 1e: 44 8b 54 24 18 mov 0x18(%rsp),%r10d 23: 8b 0c 95 b0 70 4c 86 mov -0x79b38f50(,%rdx,4),%ecx * 2a: 8d 56 01 lea 0x1(%rsi),%edx <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8d 3c 95 b0 70 4c lea -0x79b38f50(,%rdx,4),%rdi 3e: 86 3f: 49 rex.WB