panic: mq notifiers left cpuid = 1 time = 7 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056ef2810 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056ef2970 vpanic() at vpanic+0x257/frame 0xfffffe0056ef2b30 panic() at panic+0xb5/frame 0xfffffe0056ef2c00 mq_proc_exit() at mq_proc_exit+0x1cc/frame 0xfffffe0056ef2c50 exit1() at exit1+0x62b/frame 0xfffffe0056ef2cf0 sys__exit() at sys__exit+0x28/frame 0xfffffe0056ef2d10 amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0056ef2f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056ef2f30 --- syscall (1, FreeBSD ELF64, _exit), rip = 0x3a851a, rsp = 0x820f95408, rbp = 0x820f95410 --- KDB: enter: panic [ thread pid 1110 tid 100101 ] Stopped at kdb_enter+0x6e: movq $0,0x2587a77(%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 0xffffffff8283c160 .str.27 rsp 0xfffffe0056ef2950 rbp 0xfffffe0056ef2970 rsi 0 rdi 0xffffffff81664139 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0xfffffe0058ac2550 r12 0xfffffe0058ac2000 r13 0xfffffffffffffffd r14 0xffffffff8283c160 .str.27 r15 0 rip 0xffffffff8164d41e kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x2587a77(%rip) db> show proc Process 1110 (syz-executor) at 0xfffffe0058ac9ab0: state: NORMAL uid: 0 gid: 0 supp gids: 0, 5 parent: pid 1050 at 0xfffffe000780a570 ABI: FreeBSD ELF64 flag: 0x10002000 flag2: 0x40000 arguments: ./syz-executor exec reaper: 0xfffffe0007809010 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe0058ad4db0 (map 0xfffffe0058ad4db0) (map.pmap 0xfffffe0058ad4e50) (pmap 0xfffffe0058ad4ec0) threads: 1 100101 Run CPU 1 syz-executor db> ps pid ppid pgrp uid state wmesg wchan cmd 1116 764 764 0 R syz-executor 1115 1104 766 0 S uwait 0xfffffe0058695c00 syz-executor 1114 1110 1050 0 S uwait 0xfffffe0059a52100 syz-executor 1113 1110 1050 0 S uwait 0xfffffe0058697700 syz-executor 1112 763 763 0 R (threaded) syz-executor 100119 RunQ syz-executor 100474 S uwait 0xfffffe0058695b00 syz-executor 100476 S uwait 0xfffffe0059a53a00 syz-executor 100477 S uwait 0xfffffe0058695800 syz-executor 1110 1050 1050 0 RE CPU 1 syz-executor 1104 766 766 0 R (threaded) syz-executor 100176 RunQ syz-executor 100452 S uwait 0xfffffe0058694f00 syz-executor 100455 S uwait 0xfffffe0058695380 syz-executor 1094 1 763 0 SV uwait 0xfffffe0058694800 syz-executor 1085 1 1050 0 S uwait 0xfffffe0059a54180 syz-executor 1084 1 1084 0 S uwait 0xfffffe0058694e00 syz-executor 1083 1 1050 0 S uwait 0xfffffe00585f4780 syz-executor 1077 1 1050 0 S uwait 0xfffffe00585f4380 syz-executor 1050 762 1050 0 S nanslp 0xffffffff83bb5f41 syz-executor 1021 0 0 0 DL (threaded) [KTLS] 100098 D - 0xfffffe0077ed0500 [thr_0] 100342 D - 0xfffffe0077ed0580 [thr_1] 100343 D - 0xffffffff83cd78e8 [reclaim_0] 1019 0 0 0 DL mdwait 0xfffffe00780c6000 [md1] 1015 1 763 60928 S uwait 0xfffffe0059a54480 syz-executor 1010 1 763 0 S uwait 0xfffffe0059a54880 syz-executor 1006 1 764 60929 S uwait 0xfffffe0059a52400 syz-executor 1000 1 1000 0 Ss+ ttyin 0xfffffe00599518b0 getty 998 1 998 0 Ss+ ttyin 0xfffffe0007bf90b0 getty 996 1 996 0 Ss+ ttyin 0xfffffe005422dcb0 getty 995 1 995 0 Ss+ ttyin 0xfffffe0007bf78b0 getty 993 1 993 0 Ss+ ttyin 0xfffffe00599538b0 getty 989 1 989 0 Ss+ ttyin 0xfffffe00599530b0 getty 988 1 988 0 Ss+ ttyin 0xfffffe0007bf70b0 getty 982 1 982 0 Ss+ ttyin 0xfffffe0007bf88b0 getty 981 1 981 0 Ss+ ttyin 0xfffffe0007bf80b0 getty 966 1 765 0 S uwait 0xfffffe0058694a00 syz-executor 959 0 0 0 DL mdwait 0xfffffe006e93a000 [md0] 953 1 764 0 S uwait 0xfffffe0058695900 syz-executor 946 1 765 -1 S uwait 0xfffffe0058694700 syz-executor 945 1 764 0 S uwait 0xfffffe0058695700 syz-executor 927 1 766 0 S uwait 0xfffffe00585f4480 syz-executor 923 1 766 0 S uwait 0xfffffe0058696880 syz-executor 905 0 0 0 DL (threaded) [so_splice] 100203 D - 0xfffffe0058695e00 [thr_0] 100204 D - 0xfffffe0058695e40 [thr_1] 902 1 763 0 T uwait 0xfffffe0059a52000 syz-executor 896 1 766 0 S uwait 0xfffffe0059a55280 syz-executor 858 0 0 0 DL mdwait 0xfffffe00077d6000 [md20812] 852 1 764 -1 S uwait 0xfffffe0058694900 syz-executor 847 1 765 0 SV uwait 0xfffffe0059a53e00 syz-executor 833 0 0 0 DL aiordy 0xfffffe0058b0bac0 [aiod4] 832 0 0 0 DL aiordy 0xfffffe0058ae0568 [aiod3] 831 0 0 0 DL aiordy 0xfffffe0058ae0ac0 [aiod2] 830 0 0 0 DL aiordy 0xfffffe0058a0bab8 [aiod1] 810 1 765 0 S uwait 0xfffffe0058694b00 syz-executor 766 762 766 0 S nanslp 0xffffffff83bb5f41 syz-executor 764 762 764 0 S nanslp 0xffffffff83bb5f41 syz-executor 763 762 763 0 S nanslp 0xffffffff83bb5f41 syz-executor 762 1 760 0 S select 0xfffffe006df8fcc0 syz-executor 738 1 17 0 S+ piperd 0xfffffe0059bc85c0 logger 737 736 17 0 S+ nanslp 0xffffffff83bb5f41 sleep 736 1 17 0 S+ wait 0xfffffe0058a0d570 sh 685 1 685 0 Ss nanslp 0xffffffff83bb5f40 cron 681 1 681 0 Ss select 0xfffffe006df8f7c0 sshd 494 1 494 0 Ss select 0xfffffe0059a9d540 syslogd 16 0 0 0 DL syncer 0xffffffff83ce3ae0 [syncer] 15 0 0 0 DL vlruwt 0xfffffe0058a05018 [vnlru] 14 0 0 0 DL (threaded) [bufdaemon] 100079 D psleep 0xffffffff83ce2020 [bufdaemon] 100082 D - 0xffffffff83001ec0 [bufspacedaemon-0] 100093 D sdflush 0xfffffe0057f1fce8 [/ worker] 9 0 0 0 DL psleep 0xffffffff83d23380 [vmdaemon] 8 0 0 0 DL (threaded) [pagedaemon] 100077 D psleep 0xffffffff83d09448 [dom0] 100080 D launds 0xffffffff83d09454 [laundry: dom0] 100081 D umarcl 0xffffffff81e37c30 [uma] 7 0 0 0 DL - 0xffffffff8392e510 [rand_harvestq] 6 0 0 0 DL pftm 0xffffffff8480cf80 [pf purge] 5 0 0 0 DL waiting 0xffffffff84528700 [sctp_iterator] 4 0 0 0 DL (threaded) [cam] 100045 D - 0xffffffff838f8340 [doneq0] 100046 D - 0xffffffff838f82c0 [async] 100075 D - 0xffffffff838f8140 [scanner] 3 0 0 0 DL (threaded) [crypto] 100042 D crypto_ 0xffffffff83d04ce0 [crypto] 100043 D crypto_ 0xfffffe00077af830 [crypto returns 0] 100044 D crypto_ 0xfffffe00077af880 [crypto returns 1] 13 0 0 0 DL (threaded) [geom] 100037 D - 0xffffffff83b5e520 [g_event] 100038 D - 0xffffffff83b5e540 [g_up] 100039 D - 0xffffffff83b5e560 [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