rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=bcf4/1/0x4000000000000000 softirq=19217/19218 fqs=2
rcu: 	(detected by 0, t=10502 jiffies, g=11857, q=525 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6431 Comm: syz.2.128 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__lock_acquire+0x476/0x1c90 kernel/locking/lockdep.c:5210
Code: 28 85 c0 74 10 44 8b 1d 98 47 11 0f 45 85 db 0f 84 db 05 00 00 90 31 c9 e9 8a fe ff ff 48 63 44 24 10 48 0f a3 05 5a e7 3e 14 <0f> 82 7b ff ff ff 90 e8 ee c1 40 03 85 c0 74 0e 8b 05 64 47 11 0f
RSP: 0018:ffffc90000a08bc8 EFLAGS: 00000047
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000008
RDX: 0000000000000000 RSI: ffff888036e2afd0 RDI: ffff888036e2a440
RBP: ffff888036e2a440 R08: 0000000000000001 R09: 0000000000000001
R10: 00000000000000a0 R11: 0000000000000001 R12: ffff888036e2af30
R13: ffff888036e2afd0 R14: 0000000000000004 R15: 0000000000000002
FS:  00007f5ddbe7e6c0(0000) GS:ffff888124818000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5ddbe3bf98 CR3: 00000000125da000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5871 [inline]
 lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5828
 __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_activate+0x14c/0x4c0 lib/debugobjects.c:818
 debug_hrtimer_activate kernel/time/hrtimer.c:445 [inline]
 debug_activate kernel/time/hrtimer.c:484 [inline]
 enqueue_hrtimer+0x23/0x3b0 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
 </IRQ>
 <TASK>
 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 d2 62 28 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 80 8d 20 00 48 85 db 0f 85 55 01 00 00 e8 02 92 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 b7 6d 87
RSP: 0018:ffffc9000fecf268 EFLAGS: 00000293
RAX: ffffffff8f2ebd98 RBX: 0000000000000000 RCX: ffffffff819b54a0
RDX: ffff888036e2a440 RSI: ffffffff819b54ae RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8f2ebd98
R13: ffffffff8f2ebd40 R14: ffffc9000fecf2f8 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
 __netdev_printk+0x379/0x500 net/core/dev.c:12517
 netdev_info+0xe4/0x120 net/core/dev.c:12564
 netif_set_allmulti+0x1a9/0x3d0 net/core/dev.c:9337
 dev_set_allmulti+0xb7/0x260 net/core/dev_api.c:313
 vif_delete+0x3b5/0x960 net/ipv4/ipmr.c:704
 mroute_clean_tables+0x188/0xb50 net/ipv4/ipmr.c:1310
 mrtsock_destruct+0x209/0x290 net/ipv4/ipmr.c:1362
 ip_ra_control+0x43c/0x590 net/ipv4/ip_sockglue.c:374
 ip_mroute_setsockopt+0x98c/0x1040 net/ipv4/ipmr.c:1436
 do_ip_setsockopt+0x2ae/0x3240 net/ipv4/ip_sockglue.c:948
 ip_setsockopt+0x59/0xf0 net/ipv4/ip_sockglue.c:1417
 raw_setsockopt+0xb7/0x2a0 net/ipv4/raw.c:845
 do_sock_setsockopt+0x221/0x470 net/socket.c:2296
 __sys_setsockopt+0x1a0/0x230 net/socket.c:2321
 __do_sys_setsockopt net/socket.c:2327 [inline]
 __se_sys_setsockopt net/socket.c:2324 [inline]
 __x64_sys_setsockopt+0xbd/0x160 net/socket.c:2324
 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: 0033:0x7f5ddaf8e929
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:00007f5ddbe7e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f5ddb1b5fa0 RCX: 00007f5ddaf8e929
RDX: 00000000000000c9 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f5ddb010b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5ddb1b5fa0 R15: 00007fff2189a7a8
 </TASK>
rcu: rcu_preempt kthread starved for 10498 jiffies! g11857 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:27928 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5401 [inline]
 __schedule+0x116a/0x5de0 kernel/sched/core.c:6790
 __schedule_loop kernel/sched/core.c:6868 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6883
 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+0x3c5/0x780 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
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 6481 Comm: syz.4.144 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x20 kernel/kcov.c:313
Code: 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 58 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 0c 24 89 f2 89 fe bf 05 00 00 00 e9 2a fe ff ff
RSP: 0018:ffffc900101575b0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff8880b853fe20 RCX: ffffc9000cfc2000
RDX: 0000000000080000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000003 R14: ffffed10170a7fc5 R15: ffff8880b843b580
FS:  00007f3673d7f6c0(0000) GS:ffff888124718000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000bd038 CR3: 000000001263c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 csd_lock_wait kernel/smp.c:340 [inline]
 smp_call_function_many_cond+0xd9d/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
 flush_tlb_page arch/x86/include/asm/tlbflush.h:324 [inline]
 ptep_clear_flush+0x136/0x180 mm/pgtable-generic.c:101
 wp_page_copy mm/memory.c:3635 [inline]
 do_wp_page+0x1683/0x4f20 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_4+0xd/0x20 arch/x86/lib/putuser.S:94
Code: 66 89 01 31 c9 0f 01 ca e9 10 5b 03 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 cb 48 c1 fb 3f 48 09 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
RSP: 0018:ffffc90010157cf0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00002000000bd038
RDX: 0000000000080000 RSI: ffffffff8956e009 RDI: ffffffff8c158660
RBP: 0000000000000000 R08: 3b8f596bbd88045d R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000040000
R13: 00002000000bd000 R14: 0000000000000317 R15: 0000000000000318
 __sys_sendmmsg+0x234/0x420 net/socket.c:2714
 __do_sys_sendmmsg net/socket.c:2736 [inline]
 __se_sys_sendmmsg net/socket.c:2733 [inline]
 __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2733
 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: 0033:0x7f3672f8e929
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:00007f3673d7f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f36731b5fa0 RCX: 00007f3672f8e929
RDX: 0000000000000318 RSI: 00002000000bd000 RDI: 0000000000000005
RBP: 00007f3673010b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f36731b5fa0 R15: 00007ffe6e943598
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz.4.144:6481]
Modules linked in:
irq event stamp: 1177310
hardirqs last  enabled at (1177309): [<ffffffff8b88181b>] irqentry_exit+0x3b/0x90 kernel/entry/common.c:310
hardirqs last disabled at (1177310): [<ffffffff8b88023e>] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1050
softirqs last  enabled at (1177308): [<ffffffff817cdeae>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (1177308): [<ffffffff817cdeae>] handle_softirqs+0x5be/0x8e0 kernel/softirq.c:607
softirqs last disabled at (1177287): [<ffffffff817ce369>] __do_softirq kernel/softirq.c:613 [inline]
softirqs last disabled at (1177287): [<ffffffff817ce369>] invoke_softirq kernel/softirq.c:453 [inline]
softirqs last disabled at (1177287): [<ffffffff817ce369>] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
CPU: 0 UID: 0 PID: 6481 Comm: syz.4.144 Not tainted 6.16.0-rc5-syzkaller #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 6a 19 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 07 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:ffffc900101575b8 EFLAGS: 00000246
RAX: 0000000000080000 RBX: ffff8880b853fe20 RCX: ffffc9000cfc2000
RDX: 0000000000080000 RSI: ffffffff81afc8a9 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000003 R14: ffffed10170a7fc5 R15: ffff8880b843b580
FS:  00007f3673d7f6c0(0000) GS:ffff888124718000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000bd038 CR3: 000000001263c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 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
 flush_tlb_page arch/x86/include/asm/tlbflush.h:324 [inline]
 ptep_clear_flush+0x136/0x180 mm/pgtable-generic.c:101
 wp_page_copy mm/memory.c:3635 [inline]
 do_wp_page+0x1683/0x4f20 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_4+0xd/0x20 arch/x86/lib/putuser.S:94
Code: 66 89 01 31 c9 0f 01 ca e9 10 5b 03 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 cb 48 c1 fb 3f 48 09 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
RSP: 0018:ffffc90010157cf0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00002000000bd038
RDX: 0000000000080000 RSI: ffffffff8956e009 RDI: ffffffff8c158660
RBP: 0000000000000000 R08: 3b8f596bbd88045d R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000040000
R13: 00002000000bd000 R14: 0000000000000317 R15: 0000000000000318
 __sys_sendmmsg+0x234/0x420 net/socket.c:2714
 __do_sys_sendmmsg net/socket.c:2736 [inline]
 __se_sys_sendmmsg net/socket.c:2733 [inline]
 __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2733
 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: 0033:0x7f3672f8e929
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:00007f3673d7f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f36731b5fa0 RCX: 00007f3672f8e929
RDX: 0000000000000318 RSI: 00002000000bd000 RDI: 0000000000000005
RBP: 00007f3673010b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f36731b5fa0 R15: 00007ffe6e943598
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6431 Comm: syz.2.128 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:in_softirq_really kernel/kcov.c:171 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:write_comp_data+0x1f/0x90 kernel/kcov.c:246
Code: 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 49 89 f8 49 89 f1 65 48 8b 15 d7 9f 14 12 65 8b 05 e8 9f 14 12 a9 00 01 ff 00 74 1d <f6> c4 01 74 67 a9 00 00 0f 00 75 60 a9 00 00 f0 00 75 59 8b 82 3c
RSP: 0018:ffffc90000a08e38 EFLAGS: 00000006
RAX: 0000000080010001 RBX: ffff8880b8527d80 RCX: ffffffff81a8ebbd
RDX: ffff888036e2a440 RSI: 0000000000000007 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000007
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880b8527c80
R13: 0000000000000001 R14: ffff88807a427340 R15: ffffffff899aa520
FS:  00007f5ddbe7e6c0(0000) GS:ffff888124818000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5ddbe3bf98 CR3: 00000000125da000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 cpu_max_bits_warn include/linux/cpumask.h:135 [inline]
 cpumask_check include/linux/cpumask.h:142 [inline]
 cpumask_test_cpu include/linux/cpumask.h:638 [inline]
 cpu_online include/linux/cpumask.h:1197 [inline]
 trace_hrtimer_expire_entry include/trace/events/timer.h:259 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1758 [inline]
 __hrtimer_run_queues+0x54d/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
 </IRQ>
 <TASK>
 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 d2 62 28 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 80 8d 20 00 48 85 db 0f 85 55 01 00 00 e8 02 92 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 b7 6d 87
RSP: 0018:ffffc9000fecf268 EFLAGS: 00000293
RAX: ffffffff8f2ebd98 RBX: 0000000000000000 RCX: ffffffff819b54a0
RDX: ffff888036e2a440 RSI: ffffffff819b54ae RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8f2ebd98
R13: ffffffff8f2ebd40 R14: ffffc9000fecf2f8 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
 __netdev_printk+0x379/0x500 net/core/dev.c:12517
 netdev_info+0xe4/0x120 net/core/dev.c:12564
 netif_set_allmulti+0x1a9/0x3d0 net/core/dev.c:9337
 dev_set_allmulti+0xb7/0x260 net/core/dev_api.c:313
 vif_delete+0x3b5/0x960 net/ipv4/ipmr.c:704
 mroute_clean_tables+0x188/0xb50 net/ipv4/ipmr.c:1310
 mrtsock_destruct+0x209/0x290 net/ipv4/ipmr.c:1362
 ip_ra_control+0x43c/0x590 net/ipv4/ip_sockglue.c:374
 ip_mroute_setsockopt+0x98c/0x1040 net/ipv4/ipmr.c:1436
 do_ip_setsockopt+0x2ae/0x3240 net/ipv4/ip_sockglue.c:948
 ip_setsockopt+0x59/0xf0 net/ipv4/ip_sockglue.c:1417
 raw_setsockopt+0xb7/0x2a0 net/ipv4/raw.c:845
 do_sock_setsockopt+0x221/0x470 net/socket.c:2296
 __sys_setsockopt+0x1a0/0x230 net/socket.c:2321
 __do_sys_setsockopt net/socket.c:2327 [inline]
 __se_sys_setsockopt net/socket.c:2324 [inline]
 __x64_sys_setsockopt+0xbd/0x160 net/socket.c:2324
 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: 0033:0x7f5ddaf8e929
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:00007f5ddbe7e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f5ddb1b5fa0 RCX: 00007f5ddaf8e929
RDX: 00000000000000c9 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f5ddb010b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5ddb1b5fa0 R15: 00007fff2189a7a8
 </TASK>