Process accounting resumed Process accounting resumed watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.0:4993] Modules linked in: irq event stamp: 5424527 hardirqs last enabled at (5424526): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (5424527): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (5413576): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (5413579): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4993 Comm: syz-executor.0 Not tainted 5.10.230 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0xba/0x160 kernel/stacktrace.c:92 Code: 43 0c 85 c0 75 57 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 0f 85 9a 00 00 00 8d 45 01 89 43 10 48 8b 03 <48> 8d 2c e8 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 RSP: 0018:ffff88806ce09680 EFLAGS: 00000246 RAX: ffff88806ce097c8 RBX: ffff88806ce09758 RCX: 1ffff1100d9c1201 RDX: 1ffff1100d9c12eb RSI: ffffffff816f60ba RDI: ffff88806ce09764 RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000032042 R11: 1ffff1100d9c12c1 R12: ffff88806ce09758 R13: 0000000000000000 R14: ffff8880172bcec0 R15: 0000000000000170 FS: 00007f56a3e01700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555565558c58 CR3: 000000003ba78000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x73/0xf0 arch/x86/kernel/stacktrace.c:27 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4496 __kmalloc_reserve net/core/skbuff.c:143 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:211 __netdev_alloc_skb+0x6e/0x360 net/core/skbuff.c:447 netdev_alloc_skb include/linux/skbuff.h:2854 [inline] dev_alloc_skb include/linux/skbuff.h:2867 [inline] __ieee80211_beacon_get+0x3af/0x1440 net/mac80211/tx.c:4876 ieee80211_beacon_get_tim+0x88/0x9f0 net/mac80211/tx.c:4990 ieee80211_beacon_get include/net/mac80211.h:4912 [inline] mac80211_hwsim_beacon_tx+0x111/0x940 drivers/net/wireless/mac80211_hwsim.c:1740 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:unwind_next_frame+0x321/0x1a90 arch/x86/kernel/unwind_orc.c:461 Code: 00 00 fc ff df 4c 8d 79 04 4c 89 fa 48 c1 ea 03 0f b6 04 02 4c 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 b9 07 00 00 0f b6 41 04 0f 0f 84 cf 01 00 00 4d 8d 47 01 4c 89 fe 48 ba 00 00 00 00 00 RSP: 0018:ffff888017cbf3b8 EFLAGS: 00000246 RAX: 0000000000000005 RBX: 0000000000000001 RCX: ffffffff85cb0edc RDX: 0000000000000000 RSI: ffffffff85cb0eb8 RDI: ffffffff858e1f10 RBP: ffff888017cbf4c5 R08: ffffffff85cb0eb8 R09: ffffffff85cb0f12 R10: 0000000000032042 R11: 1ffff11002f97e7f R12: ffff888017cbf4d8 R13: ffff888017cbf490 R14: 1ffff11002f97e7f R15: ffffffff85cb0ee0 arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 kmalloc include/linux/slab.h:557 [inline] kzalloc include/linux/slab.h:664 [inline] xfrm_hash_alloc+0xc9/0xf0 net/xfrm/xfrm_hash.c:21 xfrm_state_init+0xc6/0x470 net/xfrm/xfrm_state.c:2683 xfrm_net_init+0x190/0xac0 net/xfrm/xfrm_policy.c:4205 ops_init+0xbb/0x6b0 net/core/net_namespace.c:156 setup_net+0x2d8/0x810 net/core/net_namespace.c:354 copy_net_ns+0x2c0/0x5d0 net/core/net_namespace.c:495 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 copy_namespaces+0x3fb/0x4f0 kernel/nsproxy.c:179 copy_process+0x385b/0x7800 kernel/fork.c:2129 kernel_clone+0xe7/0x980 kernel/fork.c:2506 __do_sys_clone3+0x1e5/0x320 kernel/fork.c:2781 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f56a688bb19 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:00007f56a3e01188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f56a699ef60 RCX: 00007f56a688bb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000200 RBP: 00007f56a68e5f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe4b3db20f R14: 00007f56a3e01300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 1 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:706 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 85 c0 test %eax,%eax 2: 75 57 jne 0x5b 4: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax b: fc ff df e: 48 89 da mov %rbx,%rdx 11: 48 c1 ea 03 shr $0x3,%rdx 15: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 19: 0f 85 9a 00 00 00 jne 0xb9 1f: 8d 45 01 lea 0x1(%rbp),%eax 22: 89 43 10 mov %eax,0x10(%rbx) 25: 48 8b 03 mov (%rbx),%rax * 28: 48 8d 2c e8 lea (%rax,%rbp,8),%rbp <-- trapping instruction 2c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 33: fc ff df 36: 48 89 ea mov %rbp,%rdx 39: 48 c1 ea 03 shr $0x3,%rdx 3d: 80 .byte 0x80