kernel: protection fault trap, code=0 Stopped at mtx_enter+0x6e: movq 0(%r14),%rax 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:335 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73c000) at reaper+0x29c sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a773ac0 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0 rax 0xffff80002a73c000 r8 0xffffffffffffffff r9 0 r10 0xda9e6f8e5f3c0bca r11 0x65ac0e6396f653ab r12 0xdeafbeaddeafbead r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeafbeaddeafbf8d r15 0 rip 0xffffffff8251453e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a773a90 ss 0 mtx_enter+0x6e: movq 0(%r14),%rax ddb> show proc PROC (reaper) tid=473737 pid=10791 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=0xffff80002a73c298,0xffff80002a73d238 process=0xffff8000ffffdb00 user=0xffff80002a76e000, vmspace=0xffffffff8387c830 estcpu=0, cpticks=3, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 74093 476413 48798 0 2 0 syz-executor 74093 514809 48798 0 2 0x4000000 syz-executor 63702 470200 0 0 3 0x14280 nfsidl nfsio 22772 23238 81160 0 2 0 syz-executor 22772 80189 81160 0 2 0x4000000 syz-executor 22772 266551 81160 0 3 0x4000080 fsleep syz-executor 18516 401875 54463 0 3 0x90 nanoslp syz-executor 18516 325758 54463 0 3 0x4000090 ttyin syz-executor 18516 305991 54463 0 3 0x4000090 fsleep syz-executor 46076 294756 0 0 3 0x14200 acct acct 35172 289941 65285 0 3 0x82 wait syz-executor 26505 264054 65285 0 2 0x2 syz-executor 81160 17370 65285 0 3 0x82 nanoslp syz-executor 1163 490811 65285 0 2 0x2 syz-executor 35397 495774 65285 0 2 0x2 syz-executor 71132 191726 65285 0 3 0x82 nanoslp syz-executor 48798 202891 65285 0 2 0x2 syz-executor 54463 489332 65285 0 3 0x82 nanoslp syz-executor 65285 39411 5766 0 3 0x82 kqread syz-executor 5766 145358 59593 0 3 0x10008a sigsusp ksh 59593 21095 84120 0 3 0x98 kqread sshd-session 84120 237742 30882 0 3 0x92 kqread sshd-session 3289 455274 1 0 3 0x100083 ttyin getty 30882 10843 1 0 3 0x88 kqread sshd 86312 423570 3348 73 3 0x1100090 kqread syslogd 3348 304169 1 0 3 0x100082 sbwait syslogd 19213 55106 1 0 3 0x100080 kqread resolvd 22753 511030 95587 77 3 0x100092 kqread dhcpleased 75536 138296 95587 77 3 0x100092 kqread dhcpleased 95587 367230 1 0 3 0x80 kqread dhcpleased 43089 273143 0 0 3 0x14200 bored smr 59418 263046 0 0 2 0x14200 zerothread 69872 206687 0 0 3 0x14200 aiodoned aiodoned 62329 163436 0 0 3 0x14200 syncer update 56053 323403 0 0 3 0x14200 cleaner cleaner *10791 473737 0 0 7 0x14200 reaper 45338 53039 0 0 3 0x14200 pgdaemon pagedaemon 62130 315383 0 0 3 0x14200 bored viomb 90322 105148 0 0 3 0x40014200 acpi0 acpi0 16677 455553 0 0 2 0x14200 softnet0 59793 353787 0 0 3 0x14200 smrbar systqmp 35319 492297 0 0 3 0x14200 bored systq 26679 105658 0 0 3 0x40014200 tmoslp softclock 37051 165489 0 0 3 0x40014200 idle0 1 169773 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 10182 11109K 11642K 166960K 11986 0 pcb 17 13K 14K 166960K 132 0 rtable 223 7K 7K 166960K 424 0 pf 32 13K 17K 166960K 70 0 ifaddr 42 7K 8K 166960K 68 0 ifgroup 50 2K 2K 166960K 94 0 sysctl 1 1K 9K 166960K 6 0 counters 32 17K 18K 166960K 58 0 ioctlops 0 0K 4K 166960K 97 0 iov 1 12K 20K 166960K 29 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1430 90K 90K 166960K 1760 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 11 0K 0K 166960K 16 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 97K 166960K 473 0 sigio 0 0K 0K 166960K 13 0 proc 60 59K 116K 166960K 513 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 26 0 in_multi 98 7K 7K 166960K 117 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 2 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 400 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 216 158K 167K 166960K 6228 0 UVM aobj 11 6K 6K 166960K 12 0 pinsyscall 36 72K 95K 166960K 1546 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 23 0 NDP 11 0K 2K 166960K 41 0 temp 55 8646K 8710K 166960K 16279 0 kqueue 17 24K 34K 166960K 110 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 67 0 63 1 0 1 1 0 8 0 rtentry 136 127 0 30 4 0 4 4 0 8 0 unpcb 144 469 0 454 7 5 2 6 0 8 1 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 141 0 136 1 0 1 1 0 8 0 arp 96 18 0 0 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 0 1 0 1 1 0 8 0 inpcb 328 388 0 380 4 0 4 4 0 8 3 ip6q 72 3 0 3 1 0 1 1 0 8 1 ip6af 40 6 0 6 1 0 1 1 0 8 1 nd6 112 26 0 4 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 20 0 20 2 1 1 1 0 8 1 pppxif 1384 5 0 5 2 1 1 1 0 8 1 pfstitem 24 4 0 0 1 0 1 1 0 8 0 pfstkey 128 8 0 5 1 0 1 1 0 8 0 pfstate 384 4 0 2 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 561 0 134 31 1 30 31 0 8 1 art_table 40 563 0 134 5 0 5 5 0 8 0 art_node 32 126 0 37 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 5 2 1 1 1 0 8 1 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 14 0 5 1 0 1 1 0 8 0 shmpl 112 9 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2195 0 697 95 0 95 95 0 8 0 ffsino 256 2195 0 697 95 0 95 95 0 8 0 nchpl 144 2888 0 1215 63 0 63 63 0 8 0 rtmask 32 5 0 5 2 1 1 1 0 8 1 vnodes 216 2548 0 0 142 0 142 142 0 8 0 namei 1024 9358 0 9357 2 1 1 2 0 8 0 kstatmem 264 50 0 28 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 9336 0 9336 10 7 3 8 1 8 3 plimitpl 152 120 0 103 1 0 1 1 0 8 0 sigapl 424 763 0 721 6 1 5 6 0 8 0 knotepl 120 16693 0 16640 11 2 9 10 0 8 5 kqueuepl 184 151 0 140 2 1 1 2 0 8 0 pipepl 304 170 0 143 3 0 3 3 0 8 0 fdescpl 448 747 0 720 5 1 4 5 0 8 0 filepl 120 4386 0 4171 18 8 10 15 0 8 2 lockfpl 104 210 0 206 2 0 2 2 0 8 1 lockfspl 48 97 0 94 1 0 1 1 0 8 0 sessionpl 144 22 0 14 1 0 1 1 0 8 0 pgrppl 48 67 0 51 1 0 1 1 0 8 0 ucredpl 104 436 0 424 1 0 1 1 0 8 0 zombiepl 144 904 0 902 1 0 1 1 0 8 0 processpl 1152 763 0 721 4 0 4 4 0 8 0 procpl 664 1386 0 1336 9 1 8 8 0 8 2 sockpl 552 962 0 935 14 9 5 12 0 8 2 mcl64k 65536 40 0 40 2 1 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 16 0 15 2 1 1 1 0 8 0 mcl4k 4096 2942 0 2885 13 5 8 13 0 8 0 mcl2k 2048 656 0 650 2 1 1 2 0 8 0 mtagpl 96 4 0 4 1 1 0 1 0 8 0 mbufpl 256 7728 0 7562 16 0 16 16 0 8 4 bufpl 280 3140 0 121 216 0 216 216 0 8 0 anonpl 24 130917 0 127485 50 6 44 44 0 187 21 amapchunkpl 152 18871 0 18446 30 6 24 25 0 158 3 amappl16 200 2419 0 2367 17 7 10 14 0 8 7 amappl15 192 9 0 7 1 0 1 1 0 8 0 amappl14 184 7 0 7 1 1 0 1 0 8 0 amappl13 176 410 0 409 1 0 1 1 0 8 0 amappl12 168 1152 0 1116 2 0 2 2 0 8 0 amappl11 160 8 0 7 1 0 1 1 0 8 0 amappl10 152 43 0 33 1 0 1 1 0 8 0 amappl9 144 263 0 262 1 0 1 1 0 8 0 amappl8 136 26 0 25 1 0 1 1 0 8 0 amappl7 128 85 0 84 1 0 1 1 0 8 0 amappl6 120 326 0 315 1 0 1 1 0 8 0 amappl5 112 73 0 66 1 0 1 1 0 8 0 amappl4 104 479 0 455 1 0 1 1 0 8 0 amappl3 96 3218 0 3138 3 0 3 3 0 8 0 amappl2 88 869 0 800 2 0 2 2 0 8 0 amappl1 80 10408 0 9880 13 1 12 13 0 8 0 amappl 88 5483 0 5335 5 0 5 5 0 92 0 uvmvnodes 80 2548 0 0 52 0 52 52 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 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 128 255 0 255 2 1 1 1 0 8 1 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 11 0 1 1 0 1 1 0 8 0 uaddrrnd 24 747 0 720 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 747 0 720 1 0 1 1 0 8 0 vmmpekpl 168 7727 0 7692 2 0 2 2 0 8 0 vmmpepl 168 54552 0 52854 91 2 89 89 0 357 7 vmsppl 368 746 0 720 4 1 3 4 0 8 0 rwobjpl 40 19895 0 16493 35 0 35 35 0 8 0 pdppl 4096 1500 0 1440 100 34 66 82 0 8 6 pvpl 32 339023 0 329539 111 11 100 100 0 265 15 pmappl 216 746 0 720 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 379 0 51 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:335 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73c000) at reaper+0x29c 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:335 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73c000) at reaper+0x29c sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3