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-executor324:8321] Modules linked in: irq event stamp: 54605211 hardirqs last enabled at (54605210): [] seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] hardirqs last enabled at (54605210): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last enabled at (54605210): [] ktime_get+0x235/0x2f0 kernel/time/timekeeping.c:756 hardirqs last disabled at (54605211): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (0): [] copy_process.part.0+0x15b9/0x8260 kernel/fork.c:1856 softirqs last disabled at (13): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (13): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 8321 Comm: syz-executor324 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:write_comp_data+0xf/0x70 kernel/kcov.c:122 Code: 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 <65> 8b 05 7a 59 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 83 f8 RSP: 0018:ffff8880ba006dc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff8880a1f7fac0 RCX: ffffffff868c94a9 RDX: 0000000000000000 RSI: ffff8880ae99a140 RDI: 0000000000000003 RBP: ffff8880b5bb6300 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000003 R11: ffffffff8c66501b R12: 1ffff11017400dbf R13: ffff88809496f4c0 R14: ffff8880a1f7fb30 R15: 0000000000000001 FS: 0000555556542300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555565425d0 CR3: 000000009daec000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstats_update include/net/sch_generic.h:723 [inline] tcf_police_act+0x119/0xe60 net/sched/act_police.c:218 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:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:PageTail include/linux/page-flags.h:151 [inline] RIP: 0010:PageCompound include/linux/page-flags.h:156 [inline] RIP: 0010:PageHuge+0xcf/0x160 mm/hugetlb.c:1374 Code: 02 7e 7e 0f b6 5b 50 bf 02 00 00 00 45 31 e4 89 de e8 35 66 ce ff 80 fb 02 41 0f 94 c4 e8 f9 64 ce ff 44 89 e0 5b 5d 41 5c c3 ec 64 ce ff 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea RSP: 0018:ffff8880949afa38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffffea000251ff80 RCX: ffffffff81941fea RDX: 0000000000000000 RSI: ffff8880ae99a140 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888090da8460 R14: ffff8880949afca0 R15: ffffea000251ff80 page_trans_huge_map_swapcount mm/swapfile.c:1484 [inline] reuse_swap_page+0x1c2/0x1410 mm/swapfile.c:1552 do_wp_page+0x41d/0x2210 mm/memory.c:2876 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 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:ffff8880949aff10 EFLAGS: 00050293 RAX: 0000000000000009 RBX: 00007fffffffeffd RCX: 00005555565425d0 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880ae99a6e8 RBP: ffff8880ba02b0c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ba02bb48 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 schedule_tail+0xe8/0x1f0 kernel/sched/core.c:2779 ret_from_fork+0x8/0x30 arch/x86/entry/entry_64.S:399