IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor118:8108] Modules linked in: irq event stamp: 60527289 hardirqs last enabled at (60527288): [] seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] hardirqs last enabled at (60527288): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last enabled at (60527288): [] ktime_get+0x235/0x2f0 kernel/time/timekeeping.c:756 hardirqs last disabled at (60527289): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (128140): [] read_pnet include/net/net_namespace.h:307 [inline] softirqs last enabled at (128140): [] sock_net include/net/sock.h:2436 [inline] softirqs last enabled at (128140): [] netlink_release+0xbcf/0x17b0 net/netlink/af_netlink.c:818 softirqs last disabled at (130049): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (130049): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 8108 Comm: syz-executor118 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100 Code: e8 11 dd 35 00 e9 ab fe ff ff 4c 89 ef e8 04 dd 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 <65> 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 RSP: 0018:ffff8880ba006d78 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000206 RBX: 0000000000000206 RCX: ffffffff81549232 RDX: 0000000000000100 RSI: ffffffff815492a8 RDI: 0000000000000005 RBP: fffffbfff13e3050 R08: 00000000000000a0 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66501b R12: dffffc0000000000 R13: 1ffffffff13e3052 R14: ffff8880a7ee8a70 R15: 0000000000000001 FS: 0000555556217300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdc39a5468 CR3: 000000009dbb8000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_local_irq_disable arch/x86/include/asm/paravirt.h:794 [inline] arch_local_irq_save arch/x86/include/asm/paravirt.h:807 [inline] seqcount_lockdep_reader_access include/linux/seqlock.h:80 [inline] read_seqcount_begin include/linux/seqlock.h:164 [inline] ktime_get+0x98/0x2f0 kernel/time/timekeeping.c:756 ktime_get_ns include/linux/timekeeping.h:126 [inline] tcf_police_act+0x3e8/0xe60 net/sched/act_police.c:240 tcf_action_exec net/sched/act_api.c:618 [inline] tcf_action_exec+0x160/0x400 net/sched/act_api.c:598 tcf_exts_exec include/net/pkt_cls.h:388 [inline] basic_classify+0x184/0x2b0 net/sched/cls_basic.c:52 tcf_classify+0x120/0x3c0 net/sched/cls_api.c:979 prio_classify net/sched/sch_prio.c:46 [inline] prio_enqueue+0x3bb/0x7a0 net/sched/sch_prio.c:78 __dev_xmit_skb net/core/dev.c:3494 [inline] __dev_queue_xmit+0x140a/0x2e00 net/core/dev.c:3807 neigh_hh_output include/net/neighbour.h:491 [inline] neigh_output include/net/neighbour.h:499 [inline] ip_finish_output2+0xb6d/0x15a0 net/ipv4/ip_output.c:230 ip_finish_output+0xae9/0x10b0 net/ipv4/ip_output.c:318 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip_output+0x203/0x5f0 net/ipv4/ip_output.c:406 dst_output include/net/dst.h:455 [inline] ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125 iptunnel_xmit+0x63b/0x9d0 net/ipv4/ip_tunnel_core.c:91 geneve_xmit_skb drivers/net/geneve.c:867 [inline] geneve_xmit+0x120d/0x2e60 drivers/net/geneve.c:943 __netdev_start_xmit include/linux/netdevice.h:4349 [inline] netdev_start_xmit include/linux/netdevice.h:4363 [inline] xmit_one net/core/dev.c:3256 [inline] dev_hard_start_xmit+0x1a8/0x920 net/core/dev.c:3272 __dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838 neigh_hh_output include/net/neighbour.h:491 [inline] neigh_output include/net/neighbour.h:499 [inline] ip6_finish_output2+0xde7/0x2290 net/ipv6/ip6_output.c:120 ip6_finish_output+0x89b/0x10f0 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] mld_sendpack+0x674/0x1060 net/ipv6/mcast.c:1681 mld_send_cr net/ipv6/mcast.c:1977 [inline] mld_ifc_timer_expire+0x616/0xdf0 net/ipv6/mcast.c:2476 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:lock_release+0x454/0x8b0 kernel/locking/lockdep.c:3931 Code: 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 00 00 00 00 48 8b 44 24 70 65 48 2b 04 25 28 00 00 00 0f 85 67 03 00 00 <48> 83 c4 78 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b 05 d6 32 b6 7e RSP: 0018:ffff8880b0d176d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff8880b032a140 RCX: 1ffff1101606554d RDX: dffffc0000000000 RSI: 0000000000000005 RDI: 0000000000000286 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000004 R10: 0000000000000000 R11: 0000000000074071 R12: 1ffff110161a2edd R13: 7971c51379a922f7 R14: ffff8880b032a140 R15: 0000000000000005 rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] is_bpf_text_address+0xfc/0x1b0 kernel/bpf/core.c:548 kernel_text_address kernel/extable.c:152 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:122 __kernel_text_address+0x9/0x30 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292 __save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 anon_vma_chain_alloc mm/rmap.c:129 [inline] anon_vma_clone+0xe0/0x5e0 mm/rmap.c:269 anon_vma_fork+0x82/0x630 mm/rmap.c:332 dup_mmap kernel/fork.c:504 [inline] dup_mm kernel/fork.c:1285 [inline] copy_mm kernel/fork.c:1341 [inline] copy_process.part.0+0x360f/0x8260 kernel/fork.c:1913 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff6a8c2a36b Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffdc39a5470 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffdc39a54b0 RCX: 00007ff6a8c2a36b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556217300 R10: 00005555562175d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00000000000f4240 R14: 00000000000135e6 R15: 00007ffdc39a5494