------------[ cut here ]------------ cbs: dequeue() called with unknown port rate. WARNING: CPU: 0 PID: 8739 at net/sched/sch_cbs.c:185 cbs_dequeue_soft+0x37e/0x4b0 net/sched/sch_cbs.c:185 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8739 Comm: rsyslogd Not tainted 5.3.0-rc6-next-20190830 #75 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2dc/0x755 kernel/panic.c:220 __warn.cold+0x2f/0x3c kernel/panic.c:581 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:cbs_dequeue_soft+0x37e/0x4b0 net/sched/sch_cbs.c:185 Code: 1d 2c b3 f5 03 31 ff 89 de e8 fe 6d a6 fb 84 db 75 1a e8 b5 6c a6 fb 48 c7 c7 80 7d 4a 88 c6 05 0c b3 f5 03 01 e8 0a bb 77 fb <0f> 0b 45 31 e4 eb b1 49 bc ff ff ff ff ff ff ff 7f 48 89 55 d0 e8 RSP: 0018:ffff8880ae8095b8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815bf786 RDI: ffffed1015d012a9 RBP: ffff8880ae809600 R08: ffff888096f925c0 R09: fffffbfff14ed341 R10: fffffbfff14ed340 R11: ffffffff8a769a07 R12: ffff8880950ec000 R13: ffff8880950ecac8 R14: 00000011e23f6fc3 R15: ffffffffffffffff cbs_dequeue+0x34/0x40 net/sched/sch_cbs.c:237 dequeue_skb net/sched/sch_generic.c:258 [inline] qdisc_restart net/sched/sch_generic.c:361 [inline] __qdisc_run+0x1e7/0x19d0 net/sched/sch_generic.c:379 __dev_xmit_skb net/core/dev.c:3533 [inline] __dev_queue_xmit+0x16f1/0x37c0 net/core/dev.c:3838 dev_queue_xmit+0x18/0x20 net/core/dev.c:3902 neigh_hh_output include/net/neighbour.h:500 [inline] neigh_output include/net/neighbour.h:509 [inline] ip6_finish_output2+0xf58/0x2550 net/ipv6/ip6_output.c:116 __ip6_finish_output+0x444/0xaa0 net/ipv6/ip6_output.c:142 ip6_finish_output+0x38/0x1f0 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0x235/0x7f0 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] mld_sendpack+0x9c7/0xed0 net/ipv6/mcast.c:1682 mld_send_cr net/ipv6/mcast.c:1978 [inline] mld_ifc_timer_expire+0x449/0x8a0 net/ipv6/mcast.c:2477 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1771 [inline] __run_timers kernel/time/timer.c:1738 [inline] run_timer_softirq+0x6c0/0x17f0 kernel/time/timer.c:1784 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1133 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:756 [inline] RIP: 0010:qlink_free mm/kasan/quarantine.c:151 [inline] RIP: 0010:qlist_free_all+0x10c/0x150 mm/kasan/quarantine.c:167 Code: 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 4c 8b 78 18 e9 37 ff ff ff e8 43 97 ca ff 48 83 3d 0b b2 45 07 00 74 39 48 89 df 57 9d <0f> 1f 44 00 00 4d 85 ed 75 96 49 c7 46 08 00 00 00 00 49 c7 06 00 RSP: 0018:ffff88808f14fa48 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000000282 RCX: 0000000000000006 RDX: 0000000000000000 RSI: ffff888096f92e88 RDI: 0000000000000282 RBP: ffff88808f14fa78 R08: 1ffffffff14ed33d R09: fffffbfff14ed33e R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: 0000000000000000 R13: ffff8880a7ecf280 R14: ffff88808f14fa88 R15: ffff8880aa402000 quarantine_reduce+0x15e/0x1a0 mm/kasan/quarantine.c:260 __kasan_kmalloc.constprop.0+0xa3/0xe0 mm/kasan/common.c:491 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:518 slab_post_alloc_hook mm/slab.h:584 [inline] slab_alloc mm/slab.c:3319 [inline] kmem_cache_alloc_trace+0x141/0x790 mm/slab.c:3548 kmalloc include/linux/slab.h:556 [inline] syslog_print kernel/printk/printk.c:1346 [inline] do_syslog kernel/printk/printk.c:1519 [inline] do_syslog+0x5fa/0x1820 kernel/printk/printk.c:1493 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40 proc_reg_read+0x1fc/0x2c0 fs/proc/inode.c:223 __vfs_read+0x8a/0x110 fs/read_write.c:425 vfs_read+0x1f0/0x440 fs/read_write.c:461 ksys_read+0x14f/0x290 fs/read_write.c:587 __do_sys_read fs/read_write.c:597 [inline] __se_sys_read fs/read_write.c:595 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:595 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff7e7e591fd Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ff7e53f8e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00000000013cb650 RCX: 00007ff7e7e591fd RDX: 0000000000000fff RSI: 00007ff7e6c2d5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000013b6260 R09: 0000000000000000 R10: 205b5d3534313938 R11: 0000000000000293 R12: 000000000065e420 R13: 00007ff7e53f99c0 R14: 00007ff7e849e040 R15: 0000000000000003 Kernel Offset: disabled Rebooting in 86400 seconds..