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(deafbeaddeafbf8d) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d228) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a763330 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff83861ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72d200 r8 0xffffffffffffffff r9 0 r10 0xbb8d3ededd282c02 r11 0x5e531e6870896865 r12 0xdeafbeaddeafbead r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeafbeaddeafbf8d r15 0 rip 0xffffffff827f71ae mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a763300 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=398212 pid=28944 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=0xffff80002a72cf90,0xffff80002a72d768 process=0xffff8000ffffc000 user=0xffff80002a75e000, vmspace=0xffffffff839b0e50 estcpu=0, cpticks=4, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 84652 82263 0 0 3 0x14280 nfsidl nfsio 22144 497234 0 0 3 0x14280 nfsidl nfsio 72570 290071 30641 0 2 0 syz-executor 72570 44433 30641 0 3 0x4000080 fsleep syz-executor 458 255773 0 0 3 0x14280 nfsidl nfsio 21386 134253 0 0 3 0x14280 nfsidl nfsio 66825 252156 35706 0 2 0 syz-executor 66825 153441 35706 0 3 0x4000080 fsleep syz-executor 66825 84854 35706 0 3 0x4000080 fsleep syz-executor 66825 196846 35706 0 2 0x4000000 syz-executor 50915 284171 99523 0 2 0 syz-executor 50915 105238 99523 0 2 0x4000000 syz-executor 53794 440830 78515 0 3 0x80 nanoslp syz-executor 53794 449031 78515 0 3 0x4000080 pppxread syz-executor 53794 465883 78515 0 3 0x4000080 fsleep syz-executor 45230 474164 91732 0 3 0x3000 suspend syz-executor 45230 483858 91732 0 2 0x4081000 syz-executor 91305 364604 10402 0 2 0x2 syz-executor 97137 269240 10402 0 2 0x2 syz-executor 99523 224269 10402 0 3 0x82 nanoslp syz-executor 78515 429607 10402 0 3 0x82 nanoslp syz-executor 36228 179957 10402 0 3 0x82 wait syz-executor 30641 134735 10402 0 3 0x82 nanoslp syz-executor 91732 39630 10402 0 3 0x82 nanoslp syz-executor 35706 514066 10402 0 3 0x82 nanoslp syz-executor 10402 297672 96360 0 3 0x82 kqread syz-executor 96360 163921 92131 0 3 0x10008a sigsusp ksh 92131 137009 27987 0 3 0x98 kqread sshd-session 27987 425696 75761 0 3 0x92 kqread sshd-session 76304 87304 1 0 3 0x100083 ttyin getty 75761 164988 1 0 3 0x88 kqread sshd 26301 55267 72964 73 3 0x1100090 kqread syslogd 72964 1207 1 0 3 0x100082 sbwait syslogd 35915 152449 1 0 3 0x100080 kqread resolvd 29954 507309 23556 77 3 0x100092 kqread dhcpleased 80167 408152 23556 77 3 0x100092 kqread dhcpleased 23556 316109 1 0 3 0x80 kqread dhcpleased 72476 392248 0 0 3 0x14200 bored smr 94759 147957 0 0 2 0x14200 zerothread 27137 39385 0 0 3 0x14200 aiodoned aiodoned 11934 109187 0 0 3 0x14200 syncer update 91451 280827 0 0 3 0x14200 cleaner cleaner *28944 398212 0 0 7 0x14200 reaper 5496 290874 0 0 3 0x14200 pgdaemon pagedaemon 95990 109094 0 0 3 0x14200 bored viomb 351 461586 0 0 3 0x40014200 acpi0 acpi0 49525 137048 0 0 3 0x14200 bored softnet0 67864 174216 0 0 3 0x14200 bored systqmp 55929 205168 0 0 3 0x14200 bored systq 8023 379369 0 0 3 0x40014200 tmoslp softclock 12897 448412 0 0 3 0x40014200 idle0 1 497374 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 11049 12119K 13447K 166960K 14139 0 pcb 18 14K 16K 166960K 248 0 rtable 254 9K 9K 166960K 507 0 pf 32 13K 17K 166960K 132 0 ifaddr 44 7K 8K 166960K 69 0 ifgroup 54 2K 2K 166960K 101 0 sysctl 4 1K 9K 166960K 12 0 counters 34 17K 18K 166960K 91 0 ioctlops 0 0K 4K 166960K 219 0 iov 0 0K 20K 166960K 36 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1476 93K 93K 166960K 2211 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 19 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 97K 166960K 725 0 sigio 0 0K 0K 166960K 9 0 proc 61 59K 124K 166960K 547 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 52 0 in_multi 99 7K 7K 166960K 133 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 477 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 225 142K 152K 166960K 8052 0 UVM aobj 23 6K 8K 166960K 28 0 pinsyscall 37 74K 96K 166960K 1847 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 112 0 NDP 12 0K 2K 166960K 45 0 temp 49 8664K 8759K 166960K 27709 0 kqueue 18 26K 30K 166960K 135 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 87 0 83 1 0 1 1 0 8 0 rtentry 136 147 0 40 5 0 5 5 0 8 0 unpcb 144 534 0 515 6 5 1 6 0 8 0 syncache 336 7 0 7 2 1 1 1 0 8 1 tcpqe 32 4 0 4 2 1 1 1 0 8 1 tcpcb 736 337 0 329 7 6 1 7 0 8 0 arp 96 24 0 4 1 0 1 1 0 8 0 ipq 40 3 0 1 1 0 1 1 0 8 0 ipqe 40 37 0 35 1 0 1 1 0 8 0 inpcb 328 869 0 856 7 5 2 7 0 8 0 ip6q 72 1 0 0 1 0 1 1 0 8 0 nd6 112 33 0 7 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1072 52 0 52 2 1 1 1 0 8 1 pppxif 1384 2 0 2 1 1 0 1 0 8 0 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 640 0 178 33 2 31 33 0 8 0 art_table 40 645 0 178 6 0 6 6 0 8 0 art_node 32 147 0 53 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 20 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2705 0 1200 95 0 95 95 0 8 0 ffsino 256 2706 0 1200 95 0 95 95 0 8 0 nchpl 144 3669 0 1967 64 0 64 64 0 8 0 rtmask 32 3 0 3 2 1 1 1 0 8 1 vnodes 216 3369 0 0 188 0 188 188 0 8 0 namei 1024 13156 0 13155 4 2 2 2 0 8 1 vcpupl 3904 3 0 1 1 0 1 1 0 8 0 vmpool 808 4 0 2 1 0 1 1 0 8 0 kstatmem 264 54 0 30 3 1 2 3 0 8 0 scsiplug 72 5 0 5 2 1 1 1 0 8 1 scxspl 216 11354 0 11354 3 2 1 3 1 8 1 plimitpl 152 594 0 578 1 0 1 1 0 8 0 sigapl 424 1021 0 976 6 0 6 6 0 8 0 knotepl 120 27117 0 26832 32 22 10 17 0 8 1 kqueuepl 184 281 0 268 3 2 1 3 0 8 0 pipepl 304 162 0 135 3 0 3 3 0 8 0 fdescpl 448 1003 0 975 5 1 4 5 0 8 0 filepl 120 6417 0 6195 14 3 11 14 0 8 3 lockfpl 104 381 0 378 2 1 1 2 0 8 0 lockfspl 48 109 0 106 1 0 1 1 0 8 0 sessionpl 144 25 0 17 1 0 1 1 0 8 0 pgrppl 48 43 0 27 1 0 1 1 0 8 0 ucredpl 104 854 0 843 1 0 1 1 0 8 0 zombiepl 144 1002 0 1000 1 0 1 1 0 8 0 processpl 1152 1021 0 976 4 0 4 4 0 8 0 procpl 664 1914 0 1861 7 1 6 6 0 8 1 sosppl 176 2 0 2 1 1 0 1 0 8 0 sockpl 552 1504 0 1468 13 9 4 12 0 8 0 mcl64k 65536 28 0 28 2 1 1 1 0 8 1 mcl16k 16384 2 0 2 1 1 0 1 0 8 0 mcl9k 9216 4 0 4 1 1 0 1 0 8 0 mcl8k 8192 12 0 11 1 0 1 1 0 8 0 mcl4k 4096 3225 0 3175 13 5 8 13 0 8 1 mcl2k 2048 1174 0 1165 5 3 2 4 0 8 0 mtagpl 96 50 0 5 2 0 2 2 0 8 0 mbufpl 256 11280 0 11039 19 2 17 19 0 8 0 bufpl 280 3710 0 122 257 0 257 257 0 8 0 anonpl 24 158202 0 154698 45 20 25 45 0 187 0 amapchunkpl 152 25605 0 25144 29 8 21 29 0 158 0 amappl16 200 2971 0 2917 19 16 3 15 0 8 0 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 3 0 3 1 1 0 1 0 8 0 amappl13 176 423 0 422 1 0 1 1 0 8 0 amappl12 168 1361 0 1324 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 59 0 49 1 0 1 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 33 0 32 1 0 1 1 0 8 0 amappl7 128 81 0 79 1 0 1 1 0 8 0 amappl6 120 276 0 265 1 0 1 1 0 8 0 amappl5 112 107 0 99 1 0 1 1 0 8 0 amappl4 104 420 0 397 1 0 1 1 0 8 0 amappl3 96 4533 0 4448 3 0 3 3 0 8 0 amappl2 88 1141 0 1069 2 0 2 2 0 8 0 amappl1 80 12177 0 11652 13 0 13 13 0 8 0 amappl 88 7219 0 7060 5 0 5 5 0 92 0 uvmvnodes 80 113 0 0 3 0 3 3 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 6 0 6 1 1 0 1 0 8 0 dma128 128 256 0 256 1 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 27 0 5 1 0 1 1 0 8 0 uaddrrnd 24 1003 0 975 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1003 0 975 1 0 1 1 0 8 0 vmmpekpl 168 9302 0 9256 3 0 3 3 0 8 0 vmmpepl 168 70080 0 68322 102 14 88 95 0 357 1 vmsppl 368 1002 0 975 4 1 3 4 0 8 0 rwobjpl 40 20833 0 19840 13 1 12 13 0 8 0 pdppl 4096 2021 0 1956 112 40 72 83 0 8 7 pvpl 32 434335 0 425454 122 32 90 117 0 265 4 pmappl 216 1006 0 977 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 411 0 68 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(deafbeaddeafbf8d) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d228) 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(deafbeaddeafbf8d) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d228) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3