rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=5284/1/0x4000000000000000 softirq=95749/95750 fqs=0
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P15518/1:b..l
rcu: (detected by 0, t=10505 jiffies, g=76553, q=324 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 15526 Comm: syz.6.2126 Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:write_comp_data+0x0/0x90 kernel/kcov.c:240
Code: 48 8b 05 1b c6 10 12 48 8b 80 30 16 00 00 e9 d7 a8 c7 09 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <49> 89 d2 49 89 f8 49 89 f1 65 48 8b 15 e7 c5 10 12 65 8b 05 f8 c5
RSP: 0018:ffffc90000a08e10 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffff8880b8527d80 RCX: ffffffff81a8cc18
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8880524f9340 R08: 0000000000000000 R09: fffffbfff21501aa
R10: ffffffff90a80d57 R11: ffffffff9aff6ca8 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880524f9340 R15: 0000000000000001
FS: 00007f7648f916c0(0000) GS:ffff888124852000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c325504 CR3: 0000000043112000 CR4: 00000000003526f0
Call Trace:
trace_hrtimer_start include/trace/events/timer.h:222 [inline]
debug_activate kernel/time/hrtimer.c:485 [inline]
enqueue_hrtimer+0x88/0x3b0 kernel/time/hrtimer.c:1088
__run_hrtimer kernel/time/hrtimer.c:1778 [inline]
__hrtimer_run_queues+0x8ff/0xad0 kernel/time/hrtimer.c:1825
hrtimer_interrupt+0x397/0x8e0 kernel/time/hrtimer.c:1887
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
__sysvec_apic_timer_interrupt+0x108/0x3f0 arch/x86/kernel/apic/apic.c:1056
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9a2/0xc60 kernel/printk/printk.c:3227
Code: 00 e8 72 9e 28 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 20 c9 20 00 48 85 db 0f 85 55 01 00 00 e8 a2 cd 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 87 a9 87
RSP: 0018:ffffc9000450ec38 EFLAGS: 00000283
RAX: ffffffff8f2eb318 RBX: 0000000000000000 RCX: ffffc9001ca4a000
RDX: 0000000000080000 RSI: ffffffff819b52fe RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8f2eb318
R13: ffffffff8f2eb2c0 R14: ffffc9000450ecc8 R15: dffffc0000000000
__console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
console_unlock+0xd8/0x210 kernel/printk/printk.c:3325
vprintk_emit+0x418/0x6d0 kernel/printk/printk.c:2450
_printk+0xc7/0x100 kernel/printk/printk.c:2475
__nla_validate_parse+0x751/0x2880 lib/nlattr.c:647
__nla_parse+0x40/0x60 lib/nlattr.c:732
nla_parse_nested_deprecated include/net/netlink.h:1365 [inline]
ctnetlink_parse_tuple_ip net/netfilter/nf_conntrack_netlink.c:1354 [inline]
ctnetlink_parse_tuple_filter+0x31f/0xa30 net/netfilter/nf_conntrack_netlink.c:1490
ctnetlink_alloc_filter+0x777/0xaf0 net/netfilter/nf_conntrack_netlink.c:1037
ctnetlink_start+0xd4/0x200 net/netfilter/nf_conntrack_netlink.c:1082
__netlink_dump_start+0x60e/0x990 net/netlink/af_netlink.c:2415
netlink_dump_start include/linux/netlink.h:341 [inline]
ctnetlink_get_conntrack+0x608/0x7d0 net/netfilter/nf_conntrack_netlink.c:1690
nfnetlink_rcv_msg+0x9f9/0x1200 net/netfilter/nfnetlink.c:303
netlink_rcv_skb+0x155/0x420 net/netlink/af_netlink.c:2534
nfnetlink_rcv+0x1b3/0x430 net/netfilter/nfnetlink.c:668
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x53d/0x7f0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg net/socket.c:727 [inline]
____sys_sendmsg+0xa95/0xc70 net/socket.c:2566
___sys_sendmsg+0x134/0x1d0 net/socket.c:2620
__sys_sendmsg+0x16d/0x220 net/socket.c:2652
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f764b58e929
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7648f91038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f764b7b6240 RCX: 00007f764b58e929
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 000000000000000c
RBP: 00007f764b610b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f764b7b6240 R15: 00007fff06efc968
task:syz.6.2126 state:R running task stack:26472 pid:15518 tgid:15512 ppid:13879 task_flags:0x400040 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6965
preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
wp_page_copy mm/memory.c:3670 [inline]
do_wp_page+0x177b/0x4f20 mm/memory.c:4030
handle_pte_fault mm/memory.c:6085 [inline]
__handle_mm_fault+0x2223/0x5490 mm/memory.c:6212
handle_mm_fault+0x589/0xd10 mm/memory.c:6381
do_user_addr_fault+0x7a6/0x1370 arch/x86/mm/fault.c:1387
handle_page_fault arch/x86/mm/fault.c:1476 [inline]
exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:__put_user_nocheck_4+0x3/0x10 arch/x86/lib/putuser.S:104
Code: d9 0f 01 cb 89 01 31 c9 0f 01 ca c3 cc cc cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 01 cb <89> 01 31 c9 0f 01 ca e9 c1 5a 03 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003cff9f8 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00002000000b4030
RDX: 0000000000080000 RSI: ffffffff894ee3f3 RDI: 0000000000000005
RBP: ffffc90003cffd98 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000
R13: 00002000000b4000 R14: ffffc90003cffddc R15: 0000000000000002
____sys_recvmsg+0x2ee/0x6b0 net/socket.c:2799
___sys_recvmsg+0x114/0x1a0 net/socket.c:2828
do_recvmmsg+0x2fe/0x750 net/socket.c:2923
__sys_recvmmsg net/socket.c:2997 [inline]
__do_sys_recvmmsg net/socket.c:3020 [inline]
__se_sys_recvmmsg net/socket.c:3013 [inline]
__x64_sys_recvmmsg+0x22a/0x280 net/socket.c:3013
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f764b58e929
RSP: 002b:00007f76493d5038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f764b7b6080 RCX: 00007f764b58e929
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f764b610b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f764b7b6080 R15: 00007fff06efc968
rcu: rcu_preempt kthread starved for 10505 jiffies! g76553 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:27784 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1ea/0xb00 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x270/0x380 kernel/rcu/tree.c:2256
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 15525 Comm: syz.0.2128 Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0xd7b/0x1510 kernel/smp.c:885
Code: e8 2a 1a 0c 00 45 85 ed 74 46 48 8b 14 24 49 89 d6 49 89 d5 49 c1 ee 03 41 83 e5 07 4d 01 e6 41 83 c5 03 e8 c7 1e 0c 00 f3 90 <41> 0f b6 06 41 38 c5 7c 08 84 c0 0f 85 6f 05 00 00 8b 43 08 31 ff
RSP: 0018:ffffc90003cef720 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b853fe20 RCX: ffffffff81b001fd
RDX: ffff88801ea88000 RSI: ffffffff81b001d9 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000002c00 R12: dffffc0000000000
R13: 0000000000000003 R14: ffffed10170a7fc5 R15: ffff8880b843b580
FS: 0000000000000000(0000) GS:ffff888124752000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000b4030 CR3: 000000005b692000 CR4: 00000000003526f0
Call Trace:
on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1052
__flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline]
flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
flush_tlb_mm_range+0x4a0/0x1790 arch/x86/mm/tlb.c:1451
tlb_flush arch/x86/include/asm/tlb.h:23 [inline]
tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:490 [inline]
tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:480 [inline]
tlb_flush_mmu mm/mmu_gather.c:403 [inline]
tlb_finish_mmu+0x3c9/0x7c0 mm/mmu_gather.c:497
exit_mmap+0x403/0xb90 mm/mmap.c:1297
__mmput+0x12a/0x410 kernel/fork.c:1121
mmput+0x62/0x70 kernel/fork.c:1144
exit_mm kernel/exit.c:581 [inline]
do_exit+0x7c4/0x2bd0 kernel/exit.c:952
do_group_exit+0xd3/0x2a0 kernel/exit.c:1105
get_signal+0x2673/0x26d0 kernel/signal.c:3034
arch_do_signal_or_restart+0x8f/0x7d0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:111
exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
ret_from_fork+0x613/0x6f0 arch/x86/kernel/process.c:157
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz.0.2128:15525]
Modules linked in:
irq event stamp: 542148
hardirqs last enabled at (542147): [] irqentry_exit+0x3b/0x90 kernel/entry/common.c:310
hardirqs last disabled at (542148): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1050
softirqs last enabled at (542146): [] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last enabled at (542146): [] handle_softirqs+0x5be/0x8e0 kernel/softirq.c:607
softirqs last disabled at (542089): [] __do_softirq kernel/softirq.c:613 [inline]
softirqs last disabled at (542089): [] invoke_softirq kernel/softirq.c:453 [inline]
softirqs last disabled at (542089): [] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
CPU: 0 UID: 0 PID: 15525 Comm: syz.0.2128 Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__sanitizer_cov_trace_pc+0x66/0x70 kernel/kcov.c:235
Code: 82 18 16 00 00 83 f8 02 75 20 48 8b 8a 20 16 00 00 8b 92 1c 16 00 00 48 8b 01 48 83 c0 01 48 39 d0 73 07 48 89 01 48 89 34 c1 d5 a1 c7 09 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003cef718 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b853fe20 RCX: ffffffff81b001fd
RDX: ffff88801ea88000 RSI: ffffffff81b001d9 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000002c00 R12: dffffc0000000000
R13: 0000000000000003 R14: ffffed10170a7fc5 R15: ffff8880b843b580
FS: 0000000000000000(0000) GS:ffff888124752000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000b4030 CR3: 000000005b692000 CR4: 00000000003526f0
Call Trace:
native_pause arch/x86/include/asm/vdso/processor.h:13 [inline]
cpu_relax arch/x86/include/asm/vdso/processor.h:18 [inline]
csd_lock_wait kernel/smp.c:340 [inline]
smp_call_function_many_cond+0xd79/0x1510 kernel/smp.c:885
on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1052
__flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline]
flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
flush_tlb_mm_range+0x4a0/0x1790 arch/x86/mm/tlb.c:1451
tlb_flush arch/x86/include/asm/tlb.h:23 [inline]
tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:490 [inline]
tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:480 [inline]
tlb_flush_mmu mm/mmu_gather.c:403 [inline]
tlb_finish_mmu+0x3c9/0x7c0 mm/mmu_gather.c:497
exit_mmap+0x403/0xb90 mm/mmap.c:1297
__mmput+0x12a/0x410 kernel/fork.c:1121
mmput+0x62/0x70 kernel/fork.c:1144
exit_mm kernel/exit.c:581 [inline]
do_exit+0x7c4/0x2bd0 kernel/exit.c:952
do_group_exit+0xd3/0x2a0 kernel/exit.c:1105
get_signal+0x2673/0x26d0 kernel/signal.c:3034
arch_do_signal_or_restart+0x8f/0x7d0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:111
exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
ret_from_fork+0x613/0x6f0 arch/x86/kernel/process.c:157
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 15526 Comm: syz.6.2126 Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:lock_acquire+0x7f/0x350 kernel/locking/lockdep.c:5875
Code: 35 1a c2 0f 0f 85 f6 0f 85 8d 00 00 00 48 8b 44 24 30 65 48 2b 05 c9 62 34 12 0f 85 c7 02 00 00 48 83 c4 38 5b 5d 41 5c 41 5d <41> 5e 41 5f e9 88 45 eb 09 65 8b 05 d5 62 34 12 83 f8 07 0f 87 9b
RSP: 0018:ffffc90000a08d18 EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffffffff9aff6ca8 RCX: ffffffff93d42a00
RDX: 0000000000000000 RSI: ffffffff8ddf4c2b RDI: ffffffff8c157ca0
RBP: 0000000000000006 R08: 07b24d8723fa41a2 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff9aff6ca0
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f7648f916c0(0000) GS:ffff888124852000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c325504 CR3: 0000000043112000 CR4: 00000000003526f0
Call Trace:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
debug_object_deactivate+0x135/0x3a0 lib/debugobjects.c:873
debug_hrtimer_deactivate kernel/time/hrtimer.c:450 [inline]
debug_deactivate kernel/time/hrtimer.c:490 [inline]
__run_hrtimer kernel/time/hrtimer.c:1729 [inline]
__hrtimer_run_queues+0x46f/0xad0 kernel/time/hrtimer.c:1825
hrtimer_interrupt+0x397/0x8e0 kernel/time/hrtimer.c:1887
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
__sysvec_apic_timer_interrupt+0x108/0x3f0 arch/x86/kernel/apic/apic.c:1056
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9a2/0xc60 kernel/printk/printk.c:3227
Code: 00 e8 72 9e 28 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 20 c9 20 00 48 85 db 0f 85 55 01 00 00 e8 a2 cd 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 87 a9 87
RSP: 0018:ffffc9000450ec38 EFLAGS: 00000283
RAX: ffffffff8f2eb318 RBX: 0000000000000000 RCX: ffffc9001ca4a000
RDX: 0000000000080000 RSI: ffffffff819b52fe RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8f2eb318
R13: ffffffff8f2eb2c0 R14: ffffc9000450ecc8 R15: dffffc0000000000
__console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
console_unlock+0xd8/0x210 kernel/printk/printk.c:3325
vprintk_emit+0x418/0x6d0 kernel/printk/printk.c:2450
_printk+0xc7/0x100 kernel/printk/printk.c:2475
__nla_validate_parse+0x751/0x2880 lib/nlattr.c:647
__nla_parse+0x40/0x60 lib/nlattr.c:732
nla_parse_nested_deprecated include/net/netlink.h:1365 [inline]
ctnetlink_parse_tuple_ip net/netfilter/nf_conntrack_netlink.c:1354 [inline]
ctnetlink_parse_tuple_filter+0x31f/0xa30 net/netfilter/nf_conntrack_netlink.c:1490
ctnetlink_alloc_filter+0x777/0xaf0 net/netfilter/nf_conntrack_netlink.c:1037
ctnetlink_start+0xd4/0x200 net/netfilter/nf_conntrack_netlink.c:1082
__netlink_dump_start+0x60e/0x990 net/netlink/af_netlink.c:2415
netlink_dump_start include/linux/netlink.h:341 [inline]
ctnetlink_get_conntrack+0x608/0x7d0 net/netfilter/nf_conntrack_netlink.c:1690
nfnetlink_rcv_msg+0x9f9/0x1200 net/netfilter/nfnetlink.c:303
netlink_rcv_skb+0x155/0x420 net/netlink/af_netlink.c:2534
nfnetlink_rcv+0x1b3/0x430 net/netfilter/nfnetlink.c:668
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x53d/0x7f0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg net/socket.c:727 [inline]
____sys_sendmsg+0xa95/0xc70 net/socket.c:2566
___sys_sendmsg+0x134/0x1d0 net/socket.c:2620
__sys_sendmsg+0x16d/0x220 net/socket.c:2652
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f764b58e929
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7648f91038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f764b7b6240 RCX: 00007f764b58e929
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 000000000000000c
RBP: 00007f764b610b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f764b7b6240 R15: 00007fff06efc968