panic: mq notifiers left cpuid = 1 time = 32789 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe005713e810 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe005713e970 vpanic() at vpanic+0x257/frame 0xfffffe005713eb30 panic() at panic+0xb5/frame 0xfffffe005713ec00 mq_proc_exit() at mq_proc_exit+0x1cc/frame 0xfffffe005713ec50 exit1() at exit1+0x62b/frame 0xfffffe005713ecf0 sys__exit() at sys__exit+0x28/frame 0xfffffe005713ed10 amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe005713ef30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe005713ef30 --- syscall (1, FreeBSD ELF64, _exit), rip = 0x3a723a, rsp = 0x820564ae8, rbp = 0x820564af0 --- KDB: enter: panic [ thread pid 1080 tid 100365 ] Stopped at kdb_enter+0x6e: movq $0,0x258d5d7(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0x28 rax 0x12 rcx 0xfffffe0002bf1850 rdx 0 rbx 0xffffffff82831be0 .str.27 rsp 0xfffffe005713e950 rbp 0xfffffe005713e970 rsi 0 rdi 0xffffffff8165b5d9 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0xfffffe0058749550 r12 0xfffffe0058749000 r13 0xfffffffffffffffd r14 0xffffffff82831be0 .str.27 r15 0 rip 0xffffffff816449be kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x258d5d7(%rip) db> show proc Process 1080 (syz-executor) at 0xfffffe005873c010: state: NORMAL uid: 0 gid: 0 supp gids: 0, 5 parent: pid 763 at 0xfffffe0058604568 ABI: FreeBSD ELF64 flag: 0x10002000 flag2: 0x40000 arguments: ./syz-executor exec reaper: 0xfffffe0007809010 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe0058737000 (map 0xfffffe0058737000) (map.pmap 0xfffffe00587370a0) (pmap 0xfffffe0058737110) threads: 1 100365 Run CPU 1 syz-executor db> ps pid ppid pgrp uid state wmesg wchan cmd 1080 763 763 0 RE CPU 1 syz-executor 1079 1 763 0 T uwait 0xfffffe0077b87d00 syz-executor 1072 765 765 0 S (threaded) syz-executor 100472 S nanslp 0xffffffff83bb3001 syz-executor 100615 S kqread 0xfffffe0007ba6c00 syz-executor 100618 S uwait 0xfffffe0077db7700 syz-executor 1043 1 763 0 S uwait 0xfffffe005858e680 syz-executor 1020 1 764 0 S uwait 0xfffffe0077db6180 syz-executor 1002 1 763 0 S uwait 0xfffffe007aca5400 syz-executor 1001 1 902 0 S uwait 0xfffffe0077b87e00 syz-executor 999 1 902 0 S uwait 0xfffffe0077b87500 syz-executor 988 1 763 0 S uwait 0xfffffe0077db7400 syz-executor 987 1 763 0 S uwait 0xfffffe005830c380 syz-executor 982 1 763 0 S uwait 0xfffffe0077b87a00 syz-executor 981 1 763 0 S uwait 0xfffffe0077db6980 syz-executor 974 1 763 0 S uwait 0xfffffe005830a200 syz-executor 969 1 763 0 S uwait 0xfffffe00084f7580 syz-executor 960 1 902 0 SV uwait 0xfffffe00084f7f00 syz-executor 942 1 902 0 S uwait 0xfffffe005858ea80 syz-executor 941 1 902 0 S uwait 0xfffffe00084f7d00 syz-executor 932 0 0 0 DL - 0xffffffff83cd3200 [soaiod4] 931 0 0 0 DL - 0xffffffff83cd3200 [soaiod3] 930 0 0 0 DL - 0xffffffff83cd3200 [soaiod2] 929 0 0 0 DL - 0xffffffff83cd3200 [soaiod1] 928 1 764 0 T syz-executor 927 1 902 0 S uwait 0xfffffe0058309300 syz-executor 926 1 902 0 S uwait 0xfffffe005858e580 syz-executor 900 1 763 0 S uwait 0xfffffe005858f880 syz-executor 886 0 0 0 DL mdwait 0xfffffe006e87e000 [md0] 881 880 764 0 SV uwait 0xfffffe00084f7d80 syz-executor 880 1 764 0 DV ppwait 0xfffffe005870ca70 syz-executor 872 1 766 0 S uwait 0xfffffe00084f7280 syz-executor 865 0 0 0 DL (threaded) [so_splice] 100159 D - 0xfffffe0007787800 [thr_0] 100210 D - 0xfffffe0007787840 [thr_1] 859 1 765 0 S uwait 0xfffffe00084f7480 syz-executor 849 1 764 0 S uwait 0xfffffe005830b600 syz-executor 845 1 763 0 SV uwait 0xfffffe0058309a00 syz-executor 843 1 763 0 S uwait 0xfffffe005858fe00 syz-executor 842 1 763 0 S uwait 0xfffffe0058309c00 syz-executor 840 1 765 0 SV uwait 0xfffffe00084f7a00 syz-executor 836 0 0 0 DL (threaded) [KTLS] 100101 D - 0xfffffe006e00c300 [thr_0] 100157 D - 0xfffffe006e00c380 [thr_1] 100158 D - 0xffffffff83cd4a28 [reclaim_0] 835 1 765 0 T umtxn 0xfffffe005858f680 syz-executor 832 1 765 0 S uwait 0xfffffe005858f400 syz-executor 830 1 765 0 S umtxn 0xfffffe005858f480 syz-executor 805 0 0 0 DL aiordy 0xfffffe00586e5570 [aiod4] 804 0 0 0 DL aiordy 0xfffffe005860c568 [aiod3] 803 0 0 0 DL aiordy 0xfffffe0007809ac0 [aiod2] 802 0 0 0 DL aiordy 0xfffffe005870b568 [aiod1] 765 762 765 0 S nanslp 0xffffffff83bb3001 syz-executor 764 762 764 0 R syz-executor 763 762 763 0 S nanslp 0xffffffff83bb3001 syz-executor 762 1 760 0 R syz-executor 747 1 747 0 Ts+ getty 746 1 746 0 Ts+ getty 745 1 745 0 Ts+ getty 744 1 744 0 Ts+ getty 743 1 743 0 Ts+ getty 742 1 742 0 Ts+ getty 741 1 741 0 Ts+ getty 740 1 740 0 Ts+ getty 739 1 739 0 Ts+ getty 737 1 17 0 S+ piperd 0xfffffe00598ef140 logger 736 735 17 0 S+ nanslp 0xffffffff83bb3001 sleep 735 1 17 0 S+ wait 0xfffffe00586c9558 sh 685 1 685 0 Ss nanslp 0xffffffff83bb3001 cron 681 1 681 0 Ss select 0xfffffe0007787ec0 sshd 494 1 494 0 Ss select 0xfffffe0054236dc0 syslogd 16 0 0 0 DL syncer 0xffffffff83ce0c20 [syncer] 15 0 0 0 DL vlruwt 0xfffffe0058602558 [vnlru] 14 0 0 0 DL (threaded) [bufdaemon] 100079 D psleep 0xffffffff83cdf160 [bufdaemon] 100082 D - 0xffffffff83001ec0 [bufspacedaemon-0] 100092 D sdflush 0xfffffe005808e0e8 [/ worker] 9 0 0 0 DL psleep 0xffffffff83d204c0 [vmdaemon] 8 0 0 0 DL (threaded) [pagedaemon] 100077 D psleep 0xffffffff83d06588 [dom0] 100080 D launds 0xffffffff83d06594 [laundry: dom0] 100081 D umarcl 0xffffffff81e2ec90 [uma] 7 0 0 0 DL - 0xffffffff8392b5b0 [rand_harvestq] 6 0 0 0 DL pftm 0xffffffff84865f60 [pf purge] 5 0 0 0 DL waiting 0xffffffff84590700 [sctp_iterator] 4 0 0 0 DL (threaded) [cam] 100045 D - 0xffffffff838f5340 [doneq0] 100046 D - 0xffffffff838f52c0 [async] 100075 D - 0xffffffff838f5140 [scanner] 3 0 0 0 DL (threaded) [crypto] 100042 D crypto_ 0xffffffff83d01e20 [crypto] 100043 D crypto_ 0xfffffe0007b17030 [crypto returns 0] 100044 D crypto_ 0xfffffe0007b17080 [crypto returns 1] 13 0 0 0 DL (threaded) [geom] 100037 D - 0xffffffff83b5b5e0 [g_event] 100038 D - 0xffffffff83b5b600 [g_up] 100039 D - 0xffffffff83b5b620 [g_down] 2 0 0 0 WL (threaded) [clock] 100031 I [clock (0)] 100032 I [clock (1)] 12 0 0 0 WL (threaded) [intr] 100013 I [swi6: task queue] 100014 I [swi6: Giant taskq] 100016 I [swi5: fast taskq] 100033 I [swi1: netisr 0] 100034 I [swi1: hpts] 100035 I [swi1: hpts] 100047 I [irq24: virtio_pci0] 100048 I [irq25: virtio_pci0] 100049 I [irq26: virtio_pci0] 100050 I [irq27: virtio_pci0] 100051 I [irq28: virtio_pci1] 100052 I [irq29: virtio_pci1] 100053 I [irq30: virtio_pci1] 100054 I [irq31: virtio_pci1] 100055 I [irq32: virtio_pci1] 100060 I [irq10: virtio_pci2] 100062 I [irq1: atkbd0] 100063 I [irq12: psm0] 100064 I [swi0: uart uart++] 100068 I [swi1: pf send] 11 0 0 0 RL (threaded) [idle] 100003 Run CPU 0 [idle: cpu0] 100004 CanRun [idle: cpu1] 1 0 1 0 SLs wait 0xfffffe0007809010 [init] 10 0 0 0 DL audit_w 0xffffffff83d028c0 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D parked 0xffffffff84c57ff0 [swapper] 100005 D - 0xfffffe00077f7a00 [softirq_0] 100006 D - 0xfffffe00077f7800 [softirq_1] 100007 D - 0xfffffe00077f7600 [if_io_tqg_0] 100008 D - 0xfffffe00077f7400 [if_io_tqg_1] 100009 D - 0xfffffe00077f7200 [if_config_tqg_0] 100010 D - 0xfffffe00077f7000 [kqueue_ctx taskq] 100011 D - 0xfffffe00077f6d00 [jail_remove taskq] 100012 D - 0xfffffe00077f6b00 [bus taskq] 100015 D - 0xfffffe00077f6500 [thread taskq] 100017 D - 0xfffffe00077f6100 [aiod_kick taskq] 100018 D - 0xfffffe00077f5e00 [deferred_unmount ta] 100019 D - 0xfffffe00077f5c00 [inm_free taskq] 100020 D - 0xfffffe00077f5a00 [in6m_free taskq] 100021 D - 0xfffffe00077f5800 [linuxkpi_irq_wq] 100022 D - 0xfffffe00077f5600 [linuxkpi_short_wq_0] 100023 D - 0xfffffe00077f5600 [linuxkpi_short_wq_1] 100024 D - 0xfffffe00077f5600 [linuxkpi_short_wq_2] 100025 D - 0xfffffe00077f5600 [linuxkpi_short_wq_3] 100026 D - 0xfffffe00077f5100 [linuxkpi_long_wq_0] 100027 D - 0xfffffe00077f5100 [linuxkpi_long_wq_1] 100028 D - 0xfffffe00077f5100 [linuxkpi_long_wq_2] 100029 D - 0xfffffe00077f5100 [linuxkpi_long_wq_3] 100036 D - 0xfffffe00077f4400 [firmware taskq] 100040 D - 0xfffffe0007bcc100 [crypto_0] 100041 D - 0xfffffe0007bcc100 [crypto_1] 100056 D - 0xfffffe00077f8200 [vtnet0 rxq 0] 100057 D - 0xfffffe00541f6500 [vtnet0 txq 0] 100058 D - 0xfffffe00541f6400 [vtnet0 rxq 1] 100059 D - 0xfffffe00541f6300 [vtnet0 txq 1] 100061 D vtbslp 0xfffffe00580bf000 [virtio_balloon] 100065 D - 0xffffffff828362c1 [deadlkres] 100069 D - 0xfffffe0058595000 [acpi_task_0] 100070 D - 0xfffffe0058595000 [acpi_task_1] 100071 D - 0xfffffe0058595000 [acpi_task_2] 100073 D - 0xfffffe00077f8100 [mca taskq] 100074 D - 0xfffffe0007bcba00 [CAM taskq] 100076 D - 0xfffffe0007bcc500 [ipsec_offload] 100396 D - 0xfffffe00596fb500 [system_taskq_0] 100397 D - 0xfffffe00596fb500 [system_taskq_1] 100398 D - 0xfffffe00596fae00 [system_delay_taskq_] 100399 D - 0xfffffe00596fae00 [system_delay_taskq_] 100400 D - 0xfffffe006e00b900 [zvol_tq-0_0] 100401 D - 0xfffffe006e00b900 [zvol_tq-0_1] 100402 D - 0xfffffe006e00b900 [zvol_tq-0_2] 100403 D - 0xfffffe006e00b900 [zvol_tq-0_3] 100404 D - 0xfffffe006e00b900 [zvol_tq-0_4] 100405 D - 0xfffffe006e00b900 [zvol_tq-0_5] 100406 D - 0xfffffe006e00b900 [zvol_tq-0_6] 100407 D - 0xfffffe006e00b900 [zvol_tq-0_7] 100408 D - 0xfffffe006e00b900 [zvol_tq-0_8] 100409 D - 0xfffffe006e00b900 [zvol_tq-0_9] 100410 D - 0xfffffe006e00b900 [zvol_tq-0_10] 100411 D - 0xfffffe006e00b900 [zvol_tq-0_11] 100412 D - 0xfffffe006e00b900 [zvol_tq-0_12] 100413 D - 0xfffffe006e00b900 [zvol_tq-0_13] 100414 D - 0xfffffe006e00b900 [zvol_tq-0_14] 100415 D - 0xfffffe006e00b900 [zvol_tq-0_15] 100416 D - 0xfffffe006e00b900 [zvol_tq-0_16] 100417 D - 0xfffffe006e00b900 [zvol_tq-0_17] 100418 D - 0xfffffe006e00b900 [zvol_tq-0_18] 100419 D - 0xfffffe006e00b900 [zvol_tq-0_19] 100420 D - 0xfffffe006e00b900 [zvol_tq-0_20] 100421 D - 0xfffffe006e00b900 [zvol_tq-0_21] 100422 D - 0xfffffe006e00b900 [zvol_tq-0_22] 100423 D - 0xfffffe006e00b900 [zvol_tq-0_23] 100424 D - 0xfffffe006e00b900 [zvol_tq-0_24] 100425 D - 0xfffffe006e00b900 [zvol_tq-0_25] 100426 D - 0xfffffe006e00b900 [zvol_tq-0_26] 100427 D - 0xfffffe006e00b900 [zvol_tq-0_27] 100428 D - 0xfffffe006e00b900 [zvol_tq-0_28] 100429 D - 0xfffffe006e00b900 [zvol_tq-0_29] 100430 D - 0xfffffe006e00b900 [zvol_tq-0_30] 100431 D - 0xfffffe006e00b900 [zvol_tq-0_31] 100432 D - 0xfffffe00541f6b00 [arc_prune] 100433 D - 0xfffffe00541f6900 [arc_flush_0] 100434 D - 0xfffffe00541f6900 [arc_flush_1] 100444 D - 0xfffffe007ab05500 [dbu_evict] 100445 D - 0xfffffe007ab05100 [z_vdev_file_0] 100446 D - 0xfffffe007ab05100 [z_vdev_file_1] 100447 D - 0xfffffe007ab05100 [z_vdev_file_2] 100448 D - 0xfffffe007ab05100 [z_vdev_file_3] 100449 D - 0xfffffe007ab05100 [z_vdev_file_4] 100450 D - 0xfffffe007ab05100 [z_vdev_file_5] 100451 D - 0xfffffe007ab05100 [z_vdev_file_6] 100452 D - 0xfffffe007ab05100 [z_vdev_file_7] 100453 D - 0xfffffe007ab05100 [z_vdev_file_8] 10