rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=32529, q=204 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10498 (4294974375-4294963877), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10498 jiffies! g32529 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27080 pid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5393 [inline]
 __schedule+0x156f/0x4720 kernel/sched/core.c:6722
 schedule+0xbd/0x170 kernel/sched/core.c:6796
 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168
 rcu_gp_fqs_loop+0x30d/0x15e0 kernel/rcu/tree.c:1667
 rcu_gp_kthread+0x9e/0x400 kernel/rcu/tree.c:1866
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 9707 Comm: syz.3.989 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:ip6_rcv_core+0x22e/0x1920 net/ipv6/ip6_input.c:167
Code: 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 e6 10 97 f8 4d 8b 37 48 c7 c7 e0 b6 f1 8b e8 97 22 4e 01 65 49 ff 46 08 <48> c7 c7 e0 b6 f1 8b e8 86 22 4e 01 4c 8d 7b 70 4c 89 f8 48 c1 e8
RSP: 0018:ffffc90000007a18 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffff88805c291780 RCX: c18e9b90d8379100
RDX: 0000000000000100 RSI: ffffffff8bf1b6e0 RDI: ffffffff8b3c5260
RBP: ffff8880312f9e00 R08: dffffc0000000000 R09: 1ffffffff24446a0
R10: dffffc0000000000 R11: fffffbfff24446a1 R12: ffff8880330d4000
R13: dffffc0000000000 R14: 0000607f47031710 R15: ffff8880330d46e8
FS:  00007f1dd3c3f6c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7af2bf0000 CR3: 000000004a340000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ipv6_rcv+0x72/0xc0 net/ipv6/ip6_input.c:307
 __netif_receive_skb_one_core net/core/dev.c:5710 [inline]
 __netif_receive_skb+0xcc/0x290 net/core/dev.c:5824
 process_backlog+0x380/0x710 net/core/dev.c:6152
 __napi_poll+0xbb/0x460 net/core/dev.c:6714
 napi_poll net/core/dev.c:6781 [inline]
 net_rx_action+0x65f/0xcc0 net/core/dev.c:6917
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:finish_task_switch+0x267/0x8f0 kernel/sched/core.c:5267
Code: 39 09 85 c0 0f 84 30 01 00 00 48 85 db 0f 85 4f 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 33 7d 43 09 e8 3e 3e 30 00 fb 4c 8b 65 b8 <49> 8d bc 24 00 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc9000476f880 EFLAGS: 00000282
RAX: c18e9b90d8379100 RBX: 0000000000000000 RCX: c18e9b90d8379100
RDX: dffffc0000000000 RSI: ffffffff8aead140 RDI: ffffffff8b3c5260
RBP: ffffc9000476f8d0 R08: ffffffff8f8dda6f R09: 1ffffffff1f1bb4d
R10: dffffc0000000000 R11: fffffbfff1f1bb4e R12: ffff88802d133c00
R13: 1ffff110171879a1 R14: dffffc0000000000 R15: ffff8880b8c3cd08
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x1577/0x4720 kernel/sched/core.c:6722
 schedule+0xbd/0x170 kernel/sched/core.c:6796
 futex_wait_queue+0x138/0x1b0 kernel/futex/waitwake.c:355
 futex_wait+0x1fc/0x640 kernel/futex/waitwake.c:656
 do_futex+0x2ff/0x3e0 kernel/futex/syscalls.c:134
 __do_sys_futex kernel/futex/syscalls.c:211 [inline]
 __se_sys_futex+0x3a9/0x440 kernel/futex/syscalls.c:192
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1dd2d9f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1dd3c3f0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f1dd3025fa8 RCX: 00007f1dd2d9f559
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1dd3025fa8
RBP: 00007f1dd3025fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1dd3026038 R14: 00007ffc1bc5d7c0 R15: 00007ffc1bc5d8a8
 </TASK>
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:20, vlan:0)
watchdog: BUG: soft lockup - CPU#0 stuck for 226s! [syz.3.989:9707]
Modules linked in:
irq event stamp: 5132705
hardirqs last  enabled at (5132704): [<ffffffff8ac0144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
hardirqs last disabled at (5132705): [<ffffffff8a97d9ee>] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1088
softirqs last  enabled at (4972972): [<ffffffff81531df3>] __do_softirq kernel/softirq.c:612 [inline]
softirqs last  enabled at (4972972): [<ffffffff81531df3>] invoke_softirq kernel/softirq.c:452 [inline]
softirqs last  enabled at (4972972): [<ffffffff81531df3>] __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
softirqs last disabled at (4972975): [<ffffffff81531df3>] __do_softirq kernel/softirq.c:612 [inline]
softirqs last disabled at (4972975): [<ffffffff81531df3>] invoke_softirq kernel/softirq.c:452 [inline]
softirqs last disabled at (4972975): [<ffffffff81531df3>] __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
CPU: 0 PID: 9707 Comm: syz.3.989 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:218 [inline]
RIP: 0010:unwind_next_frame+0x24b/0x2990 arch/x86/kernel/unwind_orc.c:494
Code: f0 4c 8d 24 85 b4 86 b7 90 4c 89 e0 48 c1 e8 03 48 bb 00 00 00 00 00 fc ff df 0f b6 04 18 84 c0 0f 85 03 22 00 00 45 8b 24 24 <44> 89 f0 ff c0 48 8d 2c 85 b4 86 b7 90 48 89 e8 48 c1 e8 03 0f b6
RSP: 0018:ffffc90000006d18 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000100
RDX: ffff88802d133c00 RSI: 0000000000086f9d RDI: 000000000009e000
RBP: 000000000009e000 R08: ffffc90000006eb0 R09: 0000000000000005
R10: 0000000000000004 R11: 0000000000000100 R12: 000000000017f613
R13: 000000000009e001 R14: 0000000000086f9d R15: 0000000000000001
FS:  00007f1dd3c3f6c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7af2bf0000 CR3: 000000004a340000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4e/0x70 mm/kasan/common.c:53
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook+0x6a/0x4d0 mm/slab.h:770
 slab_alloc_node mm/slub.c:3518 [inline]
 slab_alloc mm/slub.c:3526 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3533 [inline]
 kmem_cache_alloc+0x17e/0x2d0 mm/slub.c:3542
 skb_clone+0x1eb/0x370 net/core/skbuff.c:1915
 deliver_clone net/bridge/br_forward.c:125 [inline]
 br_flood+0x40e/0x670 net/bridge/br_forward.c:246
 br_handle_frame_finish+0xf2d/0x15c0 net/bridge/br_input.c:215
 br_nf_hook_thresh+0x3d1/0x4b0 net/bridge/br_netfilter_hooks.c:1188
 br_nf_pre_routing_finish_ipv6+0x9e5/0xd20 net/bridge/br_netfilter_ipv6.c:-1
 NF_HOOK include/linux/netfilter.h:316 [inline]
 br_nf_pre_routing_ipv6+0x34d/0x6a0 net/bridge/br_netfilter_ipv6.c:184
 nf_hook_entry_hookfn include/linux/netfilter.h:156 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
 br_handle_frame+0x12fa/0x15b0 net/bridge/br_input.c:433
 __netif_receive_skb_core+0xf94/0x3ac0 net/core/dev.c:5604
 __netif_receive_skb_one_core net/core/dev.c:5708 [inline]
 __netif_receive_skb+0x74/0x290 net/core/dev.c:5824
 process_backlog+0x380/0x710 net/core/dev.c:6152
 __napi_poll+0xbb/0x460 net/core/dev.c:6714
 napi_poll net/core/dev.c:6781 [inline]
 net_rx_action+0x65f/0xcc0 net/core/dev.c:6917
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:finish_task_switch+0x267/0x8f0 kernel/sched/core.c:5267
Code: 39 09 85 c0 0f 84 30 01 00 00 48 85 db 0f 85 4f 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 33 7d 43 09 e8 3e 3e 30 00 fb 4c 8b 65 b8 <49> 8d bc 24 00 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc9000476f880 EFLAGS: 00000282
RAX: c18e9b90d8379100 RBX: 0000000000000000 RCX: c18e9b90d8379100
RDX: dffffc0000000000 RSI: ffffffff8aead140 RDI: ffffffff8b3c5260
RBP: ffffc9000476f8d0 R08: ffffffff8f8dda6f R09: 1ffffffff1f1bb4d
R10: dffffc0000000000 R11: fffffbfff1f1bb4e R12: ffff88802d133c00
R13: 1ffff110171879a1 R14: dffffc0000000000 R15: ffff8880b8c3cd08
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x1577/0x4720 kernel/sched/core.c:6722
 schedule+0xbd/0x170 kernel/sched/core.c:6796
 futex_wait_queue+0x138/0x1b0 kernel/futex/waitwake.c:355
 futex_wait+0x1fc/0x640 kernel/futex/waitwake.c:656
 do_futex+0x2ff/0x3e0 kernel/futex/syscalls.c:134
 __do_sys_futex kernel/futex/syscalls.c:211 [inline]
 __se_sys_futex+0x3a9/0x440 kernel/futex/syscalls.c:192
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1dd2d9f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1dd3c3f0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f1dd3025fa8 RCX: 00007f1dd2d9f559
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1dd3025fa8
RBP: 00007f1dd3025fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1dd3026038 R14: 00007ffc1bc5d7c0 R15: 00007ffc1bc5d8a8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9733 Comm: syz.0.993 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:check_preemption_disabled+0x1/0x110 lib/smp_processor_id.c:13
Code: e9 6e ff ff ff cc cc cc cc f3 0f 1e fa 48 c7 c7 00 52 3c 8b 48 c7 c6 40 52 3c 8b eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 <41> 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24
RSP: 0018:ffffc900001ef778 EFLAGS: 00000006
RAX: 0000000000010100 RBX: ffff8880b8d28858 RCX: dffffc0000000000
RDX: 0000000000010100 RSI: ffffffff8b3c5240 RDI: ffffffff8b3c5200
RBP: 0000000000000000 R08: ffffffff8f8dda6f R09: 1ffffffff1f1bb4d
R10: dffffc0000000000 R11: fffffbfff1f1bb4e R12: ffff8880b8d28868
R13: 00000000000032f2 R14: ffff8880246a8000 R15: 0000007655850d49
FS:  00007f38d2d516c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f15f4c25e63 CR3: 000000001d67f000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 irqtime_account_delta kernel/sched/cputime.c:40 [inline]
 irqtime_account_irq+0xb6/0x1c0 kernel/sched/cputime.c:75
 account_hardirq_exit include/linux/vtime.h:165 [inline]
 __irq_exit_rcu+0x99/0x190 kernel/softirq.c:658
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0x56/0xc0 arch/x86/kernel/apic/apic.c:1088
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:deref_stack_reg+0x3/0x230 arch/x86/kernel/unwind_orc.c:402
Code: c2 03 38 c2 0f 8c d5 fe ff ff 48 89 4c 24 18 e8 23 d7 a4 00 48 8b 4c 24 18 e9 c1 fe ff ff 66 0f 1f 84 00 00 00 00 00 55 41 57 <41> 56 41 55 41 54 53 48 83 ec 18 48 89 54 24 10 48 89 34 24 49 89
RSP: 0018:ffffc900001ef920 EFLAGS: 00000283
RAX: fffffffffffffff0 RBX: ffffffff9014931b RCX: 0000000000000003
RDX: ffffc900001efa48 RSI: ffffc90004206910 RDI: ffffc900001efa08
RBP: ffffc900001efa58 R08: ffff8880246a8000 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000100 R12: ffffc900042067c0
R13: ffffc900001efa08 R14: ffffffff9014931a R15: dffffc0000000000
 unwind_next_frame+0x1781/0x2990 arch/x86/kernel/unwind_orc.c:648
 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4e/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x28/0x40 mm/kasan/generic.c:522
 ____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237
 kasan_slab_free include/linux/kasan.h:164 [inline]
 slab_free_hook mm/slub.c:1833 [inline]
 slab_free_freelist_hook+0x154/0x240 mm/slub.c:1859
 slab_free mm/slub.c:3853 [inline]
 kmem_cache_free+0xf8/0x290 mm/slub.c:3875
 kfree_skb include/linux/skbuff.h:1264 [inline]
 ip6_mc_input+0xa6d/0xca0 net/ipv6/ip6_input.c:590
 ip_sabotage_in+0x1e2/0x270 net/bridge/br_netfilter_hooks.c:1005
 nf_hook_entry_hookfn include/linux/netfilter.h:156 [inline]
 nf_hook_slow+0xb9/0x210 net/netfilter/core.c:626
 nf_hook include/linux/netfilter.h:271 [inline]
 NF_HOOK+0x21d/0x3b0 include/linux/netfilter.h:314
 __netif_receive_skb_one_core net/core/dev.c:5710 [inline]
 __netif_receive_skb+0xcc/0x290 net/core/dev.c:5824
 netif_receive_skb_internal net/core/dev.c:5910 [inline]
 netif_receive_skb+0x1bc/0x720 net/core/dev.c:5969
 NF_HOOK+0x9e/0x3a0 include/linux/netfilter.h:316
 br_handle_frame_finish+0xf51/0x15c0 net/bridge/br_input.c:221
 br_nf_hook_thresh+0x3d1/0x4b0 net/bridge/br_netfilter_hooks.c:1188
 br_nf_pre_routing_finish_ipv6+0x9e5/0xd20 net/bridge/br_netfilter_ipv6.c:-1
 NF_HOOK include/linux/netfilter.h:316 [inline]
 br_nf_pre_routing_ipv6+0x34d/0x6a0 net/bridge/br_netfilter_ipv6.c:184
 nf_hook_entry_hookfn include/linux/netfilter.h:156 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
 br_handle_frame+0x12fa/0x15b0 net/bridge/br_input.c:433
 __netif_receive_skb_core+0xf94/0x3ac0 net/core/dev.c:5604
 __netif_receive_skb_one_core net/core/dev.c:5708 [inline]
 __netif_receive_skb+0x74/0x290 net/core/dev.c:5824
 process_backlog+0x380/0x710 net/core/dev.c:6152
 __napi_poll+0xbb/0x460 net/core/dev.c:6714
 napi_poll net/core/dev.c:6781 [inline]
 net_rx_action+0x65f/0xcc0 net/core/dev.c:6917
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:vsnprintf+0x14c9/0x1ba0 lib/vsprintf.c:2773
Code: 0f b6 04 08 84 c0 0f 85 71 03 00 00 41 8b 17 49 bf 00 00 00 00 00 fc ff df 4c 89 ef 4c 89 e6 48 89 d9 e8 ba 2e 00 00 49 89 c5 <48> 89 e8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 77 80 7d 00 00 0f 84
RSP: 0018:ffffc90004206258 EFLAGS: 00000246
RAX: ffffc9000420652d RBX: ffff0a1000000609 RCX: 0000000000080000
RDX: ffffc9000d4aa000 RSI: 000000000007cdfa RDI: 000000000007cdfb
RBP: ffffffff8aeb92ab R08: ffffc900042061d7 R09: 0000000000000000
R10: ffffc900042061c0 R11: fffff52000840c3b R12: ffffc9008420651f
R13: ffffc9000420652d R14: ffffc90004206340 R15: dffffc0000000000
 sprintf+0xe8/0x140 lib/vsprintf.c:3027
 print_time kernel/printk/printk.c:1327 [inline]
 info_print_prefix+0x16c/0x360 kernel/printk/printk.c:1353
 record_print_text+0x182/0x4a0 kernel/printk/printk.c:1402
 printk_get_next_message+0x2ab/0x980 kernel/printk/printk.c:2876
 console_emit_next_record kernel/printk/printk.c:2911 [inline]
 console_flush_all+0x38d/0xcf0 kernel/printk/printk.c:3000
 console_unlock+0xad/0x350 kernel/printk/printk.c:3069
 vprintk_emit+0x497/0x610 kernel/printk/printk.c:2341
 _printk+0xde/0x130 kernel/printk/printk.c:2366
 __nla_validate_parse+0x2746/0x2fd0 lib/nlattr.c:647
 __nla_parse+0x40/0x50 lib/nlattr.c:732
 __nlmsg_parse include/net/netlink.h:756 [inline]
 nlmsg_parse_deprecated include/net/netlink.h:797 [inline]
 rtnl_dellink+0x207/0x7c0 net/core/rtnetlink.c:3294
 rtnetlink_rcv_msg+0x843/0xf90 net/core/rtnetlink.c:6489
 netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2554
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x856/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1903
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x61b/0x980 net/socket.c:2595
 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649
 __sys_sendmsg net/socket.c:2678 [inline]
 __do_sys_sendmsg net/socket.c:2687 [inline]
 __se_sys_sendmsg+0x1d0/0x2c0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f38d1d9f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f38d2d51028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f38d2025fa0 RCX: 00007f38d1d9f559
RDX: 0000000000044004 RSI: 0000200000000ec0 RDI: 000000000000000f
RBP: 00007f38d1e36b50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f38d2026038 R14: 00007f38d2025fa0 R15: 00007ffe1ba8d5a8
 </TASK>