kernel: protection fault trap, code=0 Stopped at mtx_enter+0x6e: movq 0(%r14),%r15 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace mtx_enter(deadbeefdeadbfcf) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deadbeefdeadbeef,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d758) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a7634c0 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff837c0ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72d700 r8 0xa0 r9 0 r10 0xf94937d140932eec r11 0x9a6ec4c4bebcbea6 r12 0xdeadbeefdeadbeef r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeadbeefdeadbfcf r15 0 rip 0xffffffff821fbd3e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a763490 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=74044 pid=12098 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a72d4c0,0xffff80002a72da00 process=0xffff8000ffffdb00 user=0xffff80002a75e000, vmspace=0xffffffff8399abb8 estcpu=0, cpticks=64, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 94479 46883 0 0 3 0x14280 nfsidl nfsio 26728 483171 74173 0 2 0 syz-executor 7784 502103 93253 0 2 0 syz-executor 7784 328710 93253 0 2 0x4000000 syz-executor 20043 468196 62799 0 2 0 syz-executor 20043 34306 62799 0 2 0x4000000 syz-executor 85694 383232 95621 0 2 0 syz-executor 85694 411538 95621 0 3 0x4000080 fsleep syz-executor 45979 438597 70530 0 2 0 syz-executor 45979 446601 70530 0 3 0x4000080 fsleep syz-executor 10846 58946 16094 0 2 0 syz-executor 10846 102020 16094 0 2 0x4000000 syz-executor 23879 201705 1 0 3 0x100083 ttyin getty 70530 316718 42891 0 3 0x82 nanoslp syz-executor 93253 156700 42891 0 3 0x82 nanoslp syz-executor 95621 358560 42891 0 3 0x82 nanoslp syz-executor 39126 86253 42891 0 2 0x2 syz-executor 16094 104863 42891 0 3 0x82 nanoslp syz-executor 62799 348870 42891 0 3 0x82 nanoslp syz-executor 74173 46572 42891 0 3 0x82 nanoslp syz-executor 42676 280505 42891 0 3 0x82 nanoslp syz-executor 42891 454316 24515 0 3 0x82 kqread syz-executor 24515 427435 51176 0 3 0x10008a sigsusp ksh 51176 485567 91927 0 3 0x98 kqread sshd-session 91927 133042 11405 0 3 0x92 kqread sshd-session 11405 288178 1 0 3 0x88 kqread sshd 44778 291234 81961 73 3 0x1100090 kqread syslogd 81961 42530 1 0 3 0x100082 sbwait syslogd 11978 139853 1 0 3 0x100080 kqread resolvd 41910 99445 31211 77 3 0x100092 kqread dhcpleased 22427 77044 31211 77 3 0x100092 kqread dhcpleased 31211 255030 1 0 3 0x80 kqread dhcpleased 49333 385935 0 0 3 0x14200 bored smr 57551 73621 0 0 2 0x14200 zerothread 87241 45510 0 0 3 0x14200 aiodoned aiodoned 68282 125577 0 0 3 0x14200 syncer update 70857 103153 0 0 3 0x14200 cleaner cleaner *12098 74044 0 0 7 0x14200 reaper 74619 420773 0 0 3 0x14200 pgdaemon pagedaemon 43163 373563 0 0 3 0x14200 bored viomb 62034 360215 0 0 3 0x40014200 acpi0 acpi0 72274 83004 0 0 3 0x14200 bored softnet0 10823 431026 0 0 3 0x14200 smrbar systqmp 3611 182925 0 0 3 0x14200 bored systq 53392 203363 0 0 3 0x40014200 tmoslp softclock 36097 328830 0 0 3 0x40014200 idle0 1 137029 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11061 12125K 12979K 166960K 17679 0 pcb 17 20K 25K 166960K 830 0 rtable 177 10K 12K 166960K 1106 0 pf 28 12K 15K 166960K 275 0 ifaddr 26 4K 7K 166960K 218 0 ifgroup 42 1K 2K 166960K 365 0 sysctl 4 1K 9K 166960K 30 0 counters 31 17K 18K 166960K 304 0 ioctlops 0 0K 4K 166960K 555 0 iov 0 0K 16K 166960K 207 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1418 89K 90K 166960K 4033 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 32 0 VM map 2 1K 1K 166960K 2 0 sem 26 5K 5K 166960K 31 0 dirhash 12 2K 2K 166960K 51 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 236K 166960K 2645 0 sigio 1 0K 0K 166960K 124 0 proc 60 59K 100K 166960K 953 0 subproc 72 4K 4K 166960K 148 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 392 0 in_multi 49 3K 7K 166960K 324 0 ether_multi 1 0K 0K 166960K 36 0 mrt 2 0K 0K 166960K 25 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 1048 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 214 158K 177K 166960K 24378 0 UVM aobj 60 17K 17K 166960K 71 0 pinsyscall 37 74K 91K 166960K 3893 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 138 0 NDP 9 0K 2K 166960K 155 0 temp 85 8672K 8800K 166960K 72981 0 kqueue 13 20K 34K 166960K 516 0 SYN cache 2 8K 16K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 313 0 309 3 2 1 3 0 8 0 rtentry 136 315 0 263 4 1 3 4 0 8 0 unpcb 144 2321 0 2304 10 9 1 8 0 8 0 syncache 336 6 0 6 2 2 0 1 0 8 0 tcpqe 32 11 0 11 2 2 0 1 0 8 0 tcpcb 736 827 0 821 16 15 1 10 0 8 0 arp 96 38 0 31 1 0 1 1 0 8 0 ipq 40 7 0 7 1 1 0 1 0 8 0 ipqe 40 8 0 8 1 1 0 1 0 8 0 inpcb 328 2934 0 2925 20 16 4 13 0 8 2 ip6q 72 8 0 4 1 0 1 1 0 8 0 ip6af 40 9 0 7 1 0 1 1 0 8 0 nd6 112 61 0 51 1 0 1 1 0 8 0 pkpcb 40 11 0 11 2 2 0 1 0 8 0 kcovpl 48 16 0 8 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1072 235 0 235 3 2 1 1 0 8 1 pppxif 1384 53 0 53 3 2 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfstkey 128 2 0 2 1 1 0 1 0 8 0 pfstate 384 1 0 1 1 1 0 1 0 8 0 rttmr 136 5 0 5 1 1 0 1 0 8 0 art_heap8 4096 8 0 4 7 1 6 6 0 8 2 art_heap4 256 1310 0 1006 31 8 23 31 0 8 2 art_table 40 1318 0 1010 5 0 5 5 0 8 0 art_node 32 277 0 230 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 9 1 0 1 1 0 8 0 semapl 112 26 0 2 1 0 1 1 0 8 0 shmpl 112 59 0 7 2 0 2 2 0 8 0 dirhash 1024 43 0 26 3 0 3 3 0 8 0 dino2pl 256 6411 0 4906 96 0 96 96 0 8 0 ffsino 256 6411 0 4906 96 0 96 96 0 8 0 nchpl 144 9887 0 8174 64 0 64 64 0 8 0 rtmask 32 28 0 28 3 2 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 36163 0 36161 4 1 3 3 0 8 2 vcpupl 3904 6 0 1 1 0 1 1 0 8 0 vmpool 808 9 0 4 1 0 1 1 0 8 0 kstatmem 264 242 0 224 4 2 2 3 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 19 0 19 2 2 0 1 0 8 0 scxspl 216 41726 0 41726 15 14 1 8 1 8 1 plimitpl 152 1083 0 1066 1 0 1 1 0 8 0 sigapl 424 2919 0 2876 9 4 5 8 0 8 0 knotepl 120 97159 0 97112 32 30 2 17 0 8 0 kqueuepl 184 1039 0 1030 4 3 1 4 0 8 0 pipepl 304 529 0 502 13 10 3 8 0 8 0 fdescpl 448 2861 0 2833 5 1 4 5 0 8 0 filepl 120 21474 0 21264 21 13 8 18 0 8 0 lockfpl 104 1046 0 1044 2 1 1 2 0 8 0 lockfspl 48 391 0 389 1 0 1 1 0 8 0 sessionpl 144 31 0 23 1 0 1 1 0 8 0 pgrppl 48 67 0 51 1 0 1 1 0 8 0 ucredpl 104 3589 0 3578 1 0 1 1 0 8 0 zombiepl 144 2912 0 2911 1 0 1 1 0 8 0 processpl 1152 2919 0 2876 5 0 5 5 0 8 0 procpl 664 6473 0 6424 8 2 6 7 0 8 0 sosppl 176 11 0 11 2 2 0 1 0 8 0 sockpl 552 5886 0 5856 42 37 5 17 0 8 2 mcl64k 65536 485 0 485 1 1 0 1 0 8 0 mcl16k 16384 4 0 4 2 2 0 1 0 8 0 mcl12k 12288 2 0 2 1 1 0 1 0 8 0 mcl9k 9216 1 0 1 1 1 0 1 0 8 0 mcl8k 8192 50 0 50 3 2 1 1 0 8 1 mcl4k 4096 5688 0 5635 15 7 8 14 0 8 0 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 4719 0 4707 7 5 2 5 0 8 0 mtagpl 96 71 0 60 1 0 1 1 0 8 0 mbufpl 256 40436 0 40266 159 141 18 101 0 8 0 bufpl 280 14259 0 8038 445 0 445 445 0 8 0 anonpl 24 383682 0 380633 77 38 39 60 0 187 1 amapchunkpl 152 89835 0 89420 44 23 21 36 0 158 0 amappl16 200 7058 0 7022 35 29 6 19 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 10 0 10 2 2 0 1 0 8 0 amappl13 176 503 0 502 1 0 1 1 0 8 0 amappl12 168 3252 0 3215 2 0 2 2 0 8 0 amappl11 160 28 0 28 1 1 0 1 0 8 0 amappl10 152 73 0 63 1 0 1 1 0 8 0 amappl9 144 266 0 266 1 1 0 1 0 8 0 amappl8 136 39 0 38 1 0 1 1 0 8 0 amappl7 128 153 0 151 1 0 1 1 0 8 0 amappl6 120 418 0 406 1 0 1 1 0 8 0 amappl5 112 81 0 72 1 0 1 1 0 8 0 amappl4 104 431 0 406 1 0 1 1 0 8 0 amappl3 96 14877 0 14799 3 0 3 3 0 8 0 amappl2 88 2965 0 2894 2 0 2 2 0 8 0 amappl1 80 19391 0 18866 14 2 12 13 0 8 0 amappl 88 23119 0 22974 5 0 5 5 0 92 0 uvmvnodes 80 183 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 2 0 2 2 2 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 10 0 10 2 2 0 1 0 8 0 dma128 128 263 0 263 2 2 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 70 0 11 2 0 2 2 0 8 0 uaddrrnd 24 2861 0 2833 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2861 0 2833 1 0 1 1 0 8 0 vmmpekpl 168 21624 0 21569 3 0 3 3 0 8 0 vmmpepl 168 178446 0 176735 103 19 84 95 0 357 1 vmsppl 368 2860 0 2832 4 1 3 4 0 8 0 rwobjpl 40 43296 0 42239 14 0 14 14 0 8 0 pdppl 4096 5747 0 5677 144 72 72 79 0 8 2 pvpl 32 1178574 0 1170303 160 60 100 135 0 265 0 pmappl 216 2869 0 2836 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 604 0 266 13 0 13 13 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(deadbeefdeadbfcf) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deadbeefdeadbeef,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d758) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> machine ddbcpu 1 No such command ddb> trace mtx_enter(deadbeefdeadbfcf) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deadbeefdeadbeef,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d758) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3