IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 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#1 stuck for 22s! [syz-executor339:8410] Modules linked in: irq event stamp: 57601647 hardirqs last enabled at (57601646): [] seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] hardirqs last enabled at (57601646): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last enabled at (57601646): [] ktime_get+0x235/0x2f0 kernel/time/timekeeping.c:756 hardirqs last disabled at (57601647): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (208): [] netlink_create+0x3c2/0x5e0 net/netlink/af_netlink.c:712 softirqs last disabled at (265): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (265): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 8410 Comm: syz-executor339 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:tcf_lastuse_update include/net/act_api.h:62 [inline] RIP: 0010:tcf_police_act+0x2e3/0xe60 net/sched/act_police.c:219 Code: 7b 40 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 5d 0a 00 00 48 8b 43 40 31 ff 48 89 c6 48 89 04 24 88 f0 d5 fa 48 8b 04 24 48 85 c0 0f 84 93 08 00 00 e8 e6 ee d5 RSP: 0018:ffff8880ba106dd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 00000000ffffae0c RBX: ffff8880aae53780 RCX: ffffffff868c9630 RDX: 1ffff110155ca6f8 RSI: 00000000ffffae0c RDI: 0000000000000000 RBP: ffff8880b2895500 R08: 00000000000000a0 R09: 00000000ffffb832 R10: 0000000000000006 R11: ffffffff8c66505b R12: 1ffff11017420dbf R13: ffff8880b2895528 R14: ffff8880aae537f0 R15: 00000000ffffb832 FS: 0000555556f1e300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 0000000091f14000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948 Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41 RSP: 0018:ffff888092d67970 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286 RBP: ffff888092daa580 R08: ffffffffffffffe8 R09: 0000000000000000 R10: 0000000000000004 R11: 00000000462ee462 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888092d67b68 lock_is_held include/linux/lockdep.h:344 [inline] ___might_sleep+0x1ea/0x2b0 kernel/sched/core.c:6157 process_huge_page mm/memory.c:4802 [inline] clear_huge_page+0x98/0x460 mm/memory.c:4863 __do_huge_pmd_anonymous_page mm/huge_memory.c:583 [inline] do_huge_pmd_anonymous_page+0xbb5/0x1e60 mm/huge_memory.c:740 create_huge_pmd mm/memory.c:4066 [inline] __handle_mm_fault+0x289c/0x41c0 mm/memory.c:4270 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:70 Code: 01 ca c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 1c 25 c0 df 01 00 48 8b 9b 98 14 00 00 48 83 eb 03 48 39 d9 73 3c 0f 01 cb <89> 01 31 c0 0f 01 ca c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 65 48 RSP: 0018:ffff888092d67e28 EFLAGS: 00050293 RAX: 0000000000000004 RBX: 00007fffffffeffd RCX: 0000000020000080 RDX: 0000000000000000 RSI: ffffffff866de86b RDI: 0000000000000286 RBP: 0000000000000001 R08: ffffffff8cd254f0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 R13: 0000000000000005 R14: 0000000000000000 R15: dffffc0000000000 __sys_socketpair+0x107/0x570 net/socket.c:1503 __do_sys_socketpair net/socket.c:1569 [inline] __se_sys_socketpair net/socket.c:1566 [inline] __x64_sys_socketpair+0x93/0xf0 net/socket.c:1566 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7faddfbd4cb9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffed6b3b8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007ffed6b3b8d0 RCX: 00007faddfbd4cb9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d R10: 0000000020000080 R11: 0000000000000246 R12: 00007ffed6b3b8c0 R13: 00000000000f4240 R14: 0000000000016bbb R15: 00007ffed6b3b8b4