rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10415 ticks this GP) idle=10a4/1/0x4000000000000000 softirq=50834/50840 fqs=144
rcu: hardirqs softirqs csw/system
rcu: number: 1735993 332 0
rcu: cputime: 35313 7559 21 ==> 42880(ms)
rcu: (t=10500 jiffies g=66457 q=1200 ncpus=2)
rcu: rcu_preempt kthread starved for 203 jiffies! g66457 f0x0 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:26920 pid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x15ae/0x4660 kernel/sched/core.c:6701
schedule+0xbd/0x170 kernel/sched/core.c:6775
schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168
rcu_gp_fqs_loop+0x30d/0x1590 kernel/rcu/tree.c:1667
rcu_gp_kthread+0x9d/0x3b0 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
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14780 Comm: syz.4.2586 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:check_preemption_disabled+0x42/0x110 lib/smp_processor_id.c:55
Code: 65 8b 05 fd 57 72 75 65 8b 0d f2 57 72 75 f7 c1 ff ff ff 7f 74 1f 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 08 0f 85 c4 00 00 00 <48> 83 c4 10 5b 41 5e 41 5f 5d c3 48 c7 04 24 00 00 00 00 9c 8f 04
RSP: 0018:ffffc900000078b0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffc90000007918 RCX: fa63ea14044f3300
RDX: 0000000000000000 RSI: ffffffff8ac9c540 RDI: ffffffff8b1d3ba0
RBP: 0000000000000000 R08: ffffffff8e8c316f R09: 1ffffffff1d1862d
R10: dffffc0000000000 R11: fffffbfff1d1862e R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007eff4146c6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed95c5933d CR3: 00000000773c1000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
irq_enter_rcu+0x27/0xf0 kernel/softirq.c:620
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0x49/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xc0/0x120 kernel/locking/spinlock.c:194
Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 3b f7 c1 f6 65 8b 05 ec b4 68 75 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc900000079c0 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: 0000000000000a02 RCX: fa63ea14044f3300
RDX: dffffc0000000000 RSI: ffffffff8acacce0 RDI: 0000000000000001
RBP: ffffc90000007a40 R08: ffffffff911eb52f R09: 1ffffffff223d6a5
R10: dffffc0000000000 R11: fffffbfff223d6a6 R12: dffffc0000000000
R13: ffff8880612ffc30 R14: ffffffff97505f98 R15: 1ffff92000000f38
__debug_check_no_obj_freed lib/debugobjects.c:1054 [inline]
debug_check_no_obj_freed+0x47b/0x520 lib/debugobjects.c:1075
slab_free_hook mm/slub.c:1786 [inline]
slab_free_freelist_hook+0xd2/0x1a0 mm/slub.c:1837
slab_free mm/slub.c:3830 [inline]
kmem_cache_free+0xf8/0x290 mm/slub.c:3852
mac80211_hwsim_beacon_tx+0x3df/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2270
__iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:766
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2296
__run_hrtimer kernel/time/hrtimer.c:1754 [inline]
__hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:206 [inline]
RIP: 0010:unwind_next_frame+0x1b2/0x2990 arch/x86/kernel/unwind_orc.c:494
Code: 48 89 6c 24 10 4c 89 a4 24 88 00 00 00 75 1b e8 e4 d5 4b 00 48 c7 c3 c0 4e c8 8a 49 bf 00 00 00 00 00 fc ff df e9 5e 04 00 00 <48> c7 c3 00 00 00 81 4c 89 f7 48 c7 c6 00 00 00 81 e8 c8 d7 4b 00
RSP: 0018:ffffc90003617118 EFLAGS: 00000286
RAX: ffffffff813bb551 RBX: dffffc0000000000 RCX: ffff88807e6f1e00
RDX: 0000000000000002 RSI: 0000000000000001 RDI: ffffffff81332028
RBP: ffffc90003617298 R08: ffff88807e6f1e00 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000002 R12: ffffc90003617248
R13: ffffc90003617248 R14: ffffffff81332027 R15: 0000000000000001
__unwind_start+0x5bb/0x730 arch/x86/kernel/unwind_orc.c:760
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xf8/0x190 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
save_stack+0x125/0x230 mm/page_owner.c:128
__reset_page_owner+0x4e/0x190 mm/page_owner.c:149
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1182 [inline]
free_unref_page_prepare+0x7d7/0x8f0 mm/page_alloc.c:2366
free_unref_page+0x32/0x2e0 mm/page_alloc.c:2459
__slab_free+0x35a/0x400 mm/slub.c:3736
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x75/0xd0 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:306
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:3495 [inline]
__kmem_cache_alloc_node+0x194/0x250 mm/slub.c:3534
__do_kmalloc_node mm/slab_common.c:1006 [inline]
__kmalloc+0xa7/0x240 mm/slab_common.c:1020
kmalloc include/linux/slab.h:604 [inline]
kzalloc include/linux/slab.h:721 [inline]
ops_init+0x8b/0x640 net/core/net_namespace.c:129
setup_net+0x3b6/0xa20 net/core/net_namespace.c:343
copy_net_ns+0x361/0x530 net/core/net_namespace.c:524
create_new_namespaces+0x3ce/0x700 kernel/nsproxy.c:110
copy_namespaces+0x42a/0x4a0 kernel/nsproxy.c:179
copy_process+0x16f6/0x3da0 kernel/fork.c:2513
kernel_clone+0x24b/0x8a0 kernel/fork.c:2919
__do_sys_clone kernel/fork.c:3062 [inline]
__se_sys_clone kernel/fork.c:3046 [inline]
__x64_sys_clone+0x1b7/0x230 kernel/fork.c:3046
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: 0033:0x7eff4059e159
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:00007eff4146bfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007eff40825fa0 RCX: 00007eff4059e159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041064400
RBP: 00007eff4063506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007eff40826038 R14: 00007eff40825fa0 R15: 00007ffc6fbd1cc8
CPU: 1 PID: 14816 Comm: syz.6.2595 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:kcov_remote_start+0x1b7/0x810 kernel/kcov.c:932
Code: 68 06 00 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 96 03 00 00 41 f7 c5 00 02 00 00 74 05 fb eb 02 0f 0b <48> 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 4d 8b
RSP: 0018:ffffc900001f0968 EFLAGS: 00000206
RAX: c3564a20b380d300 RBX: ffffffff818793ab RCX: c3564a20b380d300
RDX: dffffc0000000000 RSI: ffffffff8acacce0 RDI: ffffffff8b1d3ba0
RBP: ffffc900001f0c10 R08: ffffffff911eb507 R09: 1ffffffff223d6a0
R10: dffffc0000000000 R11: fffffbfff223d6a1 R12: 0000000000000000
R13: 0000000000000246 R14: ffff88802b4a8000 R15: 0000000000000000
FS: 00007f62973f66c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555809919f8 CR3: 0000000060170000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
kcov_remote_start_common include/linux/kcov.h:50 [inline]
ieee80211_rx_list+0x5a6/0x3240 net/mac80211/rx.c:5421
ieee80211_rx_napi+0x1ae/0x3c0 net/mac80211/rx.c:5462
ieee80211_rx include/net/mac80211.h:4971 [inline]
ieee80211_handle_queued_frames+0x105/0x190 net/mac80211/main.c:319
tasklet_action_common+0x2d4/0x460 kernel/softirq.c:809
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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:skip_atoi+0x1/0xe0 lib/vsprintf.c:164
Code: c3 44 89 e1 80 e1 07 38 c1 0f 8c a8 db ff ff 4c 89 e7 e8 32 af 5d f7 e9 9b db ff ff e8 f8 e1 0e 00 0f 1f 84 00 00 00 00 00 55 <41> 57 41 56 41 55 41 54 53 50 48 89 fb 49 bc 00 00 00 00 00 fc ff
RSP: 0018:ffffc900036464a8 EFLAGS: 00000287
RAX: ffffffff8a81e45a RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9001a024000 RSI: 000000000000fc62 RDI: ffffc900036464f0
RBP: 00000000000000fc R08: ffff88802b4a8000 R09: 0000000000000005
R10: 0000000000000030 R11: 0000000000000002 R12: 0000000000000036
R13: 1ffffffff15971d0 R14: ffffffff8acb8e82 R15: 0000000000000000
format_decode+0x8c4/0x1400 lib/vsprintf.c:2591
vsnprintf+0xeb/0x1ba0 lib/vsprintf.c:2775
sprintf+0xe8/0x140 lib/vsprintf.c:3027
print_caller kernel/printk/printk.c:1338 [inline]
info_print_prefix+0x210/0x360 kernel/printk/printk.c:1355
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]
rtm_to_ifaddr net/ipv4/devinet.c:848 [inline]
inet_rtm_newaddr+0x1ce/0x1a20 net/ipv4/devinet.c:967
rtnetlink_rcv_msg+0x843/0xf90 net/core/rtnetlink.c:6484
netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346
netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899
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: 0033:0x7f629919e159
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:00007f62973f6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f6299425fa0 RCX: 00007f629919e159
RDX: 0000000004009044 RSI: 0000200000000080 RDI: 0000000000000007
RBP: 00007f629923506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6299426038 R14: 00007f6299425fa0 R15: 00007ffe94c34be8
NMI backtrace for cpu 1
CPU: 1 PID: 14816 Comm: syz.6.2595 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:hrtimer_interrupt+0x791/0x980 kernel/time/hrtimer.c:1895
Code: e8 54 a3 68 00 4c 89 ff e9 77 fc ff ff e8 47 17 10 00 48 8b 44 24 10 0f b6 04 28 84 c0 48 8b 1c 24 0f 85 56 01 00 00 80 23 fb be 00 00 00 4c 8d 7b 56 4c 89 f8 48 c1 e8 03 0f b6 04 28 84 c0
RSP: 0018:ffffc900001f0500 EFLAGS: 00000002
RAX: 0000000000000000 RBX: ffff8880b8f2b78c RCX: ffff88802b4a8000
RDX: 0000000000010100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8e8c316f R09: 1ffffffff1d1862d
R10: dffffc0000000000 R11: fffffbfff1d1862e R12: ffff8880b8f2b794
R13: 000000aa28d76a69 R14: ffff8880b8f2b8a8 R15: 0000000000000000
FS: 00007f62973f66c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555809919f8 CR3: 0000000060170000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1077 [inline]
__sysvec_apic_timer_interrupt+0xfb/0x3b0 arch/x86/kernel/apic/apic.c:1094
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0x51/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 kernel/kcov.c:310
Code: c0 4c 89 01 48 c7 44 11 08 03 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1e fa 48 8b 04 24 65 48 8b 15 f0 28 7c 7e 65 8b 0d f1 28 7c
RSP: 0018:ffffc900001f06f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900001f0728 RCX: ffff88802b4a8000
RDX: 0000000000000100 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000002 R08: ffff88802b4a8000 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000100 R12: ffffffff81dfee96
R13: ffffc900001f0b38 R14: dffffc0000000000 R15: ffffc900001f0728
unwind_done arch/x86/include/asm/unwind.h:50 [inline]
unwind_get_return_address+0x37/0xc0 arch/x86/kernel/unwind_orc.c:366
arch_stack_walk+0x11d/0x190 arch/x86/kernel/stacktrace.c:26
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:1811 [inline]
slab_free_freelist_hook+0x130/0x1a0 mm/slub.c:1837
slab_free mm/slub.c:3830 [inline]
kmem_cache_free+0xf8/0x290 mm/slub.c:3852
mac80211_hwsim_beacon_tx+0x3df/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2270
__iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:766
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2296
__run_hrtimer kernel/time/hrtimer.c:1754 [inline]
__hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:to_info kernel/printk/printk_ringbuffer.c:366 [inline]
RIP: 0010:prb_read kernel/printk/printk_ringbuffer.c:1800 [inline]
RIP: 0010:_prb_read_valid+0x13d/0x9a0 kernel/printk/printk_ringbuffer.c:1891
Code: 79 67 73 00 49 8b 07 48 89 44 24 10 48 8b 84 24 90 00 00 00 42 80 3c 30 00 74 0a 49 8d 7c 24 10 e8 58 67 73 00 49 8b 44 24 10 <48> 89 44 24 20 48 8b 44 24 70 42 0f b6 04 30 84 c0 0f 85 a8 06 00
RSP: 0018:ffffc900036466e0 EFLAGS: 00000246
RAX: ffffffff8d04a200 RBX: ffffc90003646a00 RCX: 1ffff920006c8d12
RDX: ffffc9001a024000 RSI: 00000000000115ea RDI: 00000000000115eb
RBP: ffffc90003646880 R08: ffffc900036469d7 R09: 0000000000000000
R10: ffffc90003646980 R11: fffff520006c8d3b R12: ffffffff8d04a180
R13: ffffffff8d04a188 R14: dffffc0000000000 R15: ffffc90003646890
prb_read_valid+0x3d/0x60 kernel/printk/printk_ringbuffer.c:1940
printk_get_next_message+0x190/0x980 kernel/printk/printk.c:2850
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]
rtm_to_ifaddr net/ipv4/devinet.c:848 [inline]
inet_rtm_newaddr+0x1ce/0x1a20 net/ipv4/devinet.c:967
rtnetlink_rcv_msg+0x843/0xf90 net/core/rtnetlink.c:6484
netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346
netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899
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: 0033:0x7f629919e159
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:00007f62973f6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f6299425fa0 RCX: 00007f629919e159
RDX: 0000000004009044 RSI: 0000200000000080 RDI: 0000000000000007
RBP: 00007f629923506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6299426038 R14: 00007f6299425fa0 R15: 00007ffe94c34be8