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(ffff80002a72d4c0) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a7631a0 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff837a1ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72d400 r8 0xffffffffffffffff r9 0 r10 0xbc643c0c6b9dae8 r11 0x57b89c920616c116 r12 0xdeafbeaddeafbead r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeafbeaddeafbf8d r15 0 rip 0xffffffff81d924de mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a763170 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=365508 pid=70709 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=0xffff80002a72ccf8,0xffff80002a72d768 process=0xffff8000ffffc480 user=0xffff80002a75e000, vmspace=0xffffffff839609f8 estcpu=0, cpticks=3, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 20920 522839 0 0 3 0x14280 nfsidl nfsio 20234 470479 2290 0 2 0 syz-executor 20234 347135 2290 0 2 0x4000000 syz-executor 20234 30077 2290 0 2 0x4000000 syz-executor 10407 512075 16612 0 2 0x10 syz-executor 10407 372150 16612 0 2 0x4000010 syz-executor 57309 290729 0 0 3 0x14280 nfsidl nfsio 38611 166579 59257 0 2 0 syz-executor 38611 397039 59257 0 3 0x4000080 fsleep syz-executor 84745 246639 0 0 3 0x14280 nfsidl nfsio 17516 180742 61135 0 2 0 syz-executor 17516 491382 61135 0 3 0x4000080 ttyin syz-executor 17516 165421 61135 0 2 0x4000000 syz-executor 90249 335107 38675 0 2 0 syz-executor 90249 344834 38675 0 3 0x4000080 semwait syz-executor 90249 277080 38675 0 3 0x4000080 fsleep syz-executor 90249 247530 38675 0 3 0x4000080 fsleep syz-executor 59938 257864 25543 0 2 0 syz-executor 59938 433682 25543 0 2 0x4000000 syz-executor 59938 194348 25543 0 2 0x4000000 syz-executor 59938 116307 25543 0 2 0x4000000 syz-executor 76431 415960 15239 60929 3 0x10 vmmaplk syz-executor 76431 455392 15239 60929 3 0x4000090 sysctllk syz-executor 76431 389600 15239 60929 2 0x4000010 syz-executor 76431 427205 15239 60929 2 0x4000010 syz-executor 9216 51074 0 0 3 0x14200 acct acct 54158 114251 24266 0 2 0x2 syz-executor 21209 165524 1 0 3 0x100083 ttyin getty 2290 126468 24266 0 3 0x82 nanoslp syz-executor 38675 332306 24266 0 3 0x82 nanoslp syz-executor 59257 279779 24266 0 3 0x82 nanoslp syz-executor 25543 233265 24266 0 3 0x82 nanoslp syz-executor 61135 316501 24266 0 3 0x82 nanoslp syz-executor 15239 387411 24266 0 3 0x82 nanoslp syz-executor 16612 243797 24266 0 2 0x3 syz-executor 24266 311554 76973 0 3 0x82 kqread syz-executor 76973 441100 83694 0 3 0x10008a sigsusp ksh 83694 13733 39105 0 3 0x98 kqread sshd-session 39105 258687 49851 0 3 0x92 kqread sshd-session 49851 389769 1 0 3 0x88 kqread sshd 80202 378224 30852 73 3 0x1100090 kqread syslogd 30852 475373 1 0 3 0x100082 sbwait syslogd 34504 405090 1 0 3 0x100080 kqread resolvd 35698 26376 34183 77 3 0x100092 kqread dhcpleased 60026 461318 34183 77 3 0x100092 kqread dhcpleased 34183 460462 1 0 3 0x80 kqread dhcpleased 51683 367029 0 0 3 0x14200 bored smr 34222 66111 0 0 2 0x14200 zerothread 7212 55802 0 0 3 0x14200 aiodoned aiodoned 2968 72993 0 0 3 0x14200 syncer update 71156 16874 0 0 3 0x14200 cleaner cleaner *70709 365508 0 0 7 0x14200 reaper 55956 245818 0 0 3 0x14200 pgdaemon pagedaemon 98314 115565 0 0 3 0x14200 bored viomb 28026 81517 0 0 3 0x40014200 acpi0 acpi0 46080 228189 0 0 3 0x14200 bored softnet0 92221 73280 0 0 3 0x14200 bored systqmp 64653 198152 0 0 3 0x14200 bored systq 52909 119979 0 0 3 0x40014200 tmoslp softclock 23514 73097 0 0 3 0x40014200 idle0 1 64673 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 11041 12166K 12464K 166960K 12901 0 pcb 19 14K 16K 166960K 200 0 rtable 195 8K 8K 166960K 486 0 pf 31 13K 17K 166960K 79 0 ifaddr 35 5K 7K 166960K 74 0 ifgroup 50 2K 2K 166960K 104 0 sysctl 3 1K 9K 166960K 13 0 counters 33 17K 18K 166960K 62 0 ioctlops 0 0K 4K 166960K 243 0 iov 0 0K 12K 166960K 85 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1401 88K 89K 166960K 2011 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 12 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 590 0 sigio 0 0K 0K 166960K 9 0 proc 60 59K 83K 166960K 550 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 59 0 in_multi 69 5K 7K 166960K 137 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 410 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 229 151K 169K 166960K 6987 0 UVM aobj 81 7K 7K 166960K 83 0 pinsyscall 38 76K 92K 166960K 1693 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 36 0 NDP 11 0K 2K 166960K 50 0 temp 78 8672K 8748K 166960K 23772 0 kqueue 19 27K 30K 166960K 121 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 77 0 73 1 0 1 1 0 8 0 rtentry 136 143 0 65 4 0 4 4 0 8 0 unpcb 144 334 0 318 4 3 1 4 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 736 148 0 144 2 1 1 2 0 8 0 arp 96 23 0 7 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 491 0 480 7 6 1 7 0 8 0 ip6q 72 3 0 2 1 0 1 1 0 8 0 ip6af 40 6 0 4 1 0 1 1 0 8 0 nd6 112 29 0 15 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1072 23 0 23 2 2 0 1 0 8 0 pppxif 1384 2 0 2 1 1 0 1 0 8 0 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfrule 1344 66 0 65 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 628 0 301 29 5 24 28 0 8 0 art_table 40 630 0 301 5 0 5 5 0 8 0 art_node 32 143 0 74 1 0 1 1 0 8 0 semapl 112 10 0 2 1 0 1 1 0 8 0 shmpl 112 78 0 2 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2604 0 1101 95 0 95 95 0 8 0 ffsino 256 2604 0 1101 95 0 95 95 0 8 0 nchpl 144 3428 0 1734 64 0 64 64 0 8 0 rtmask 32 8 0 8 2 2 0 1 0 8 0 vnodes 216 2960 0 0 165 0 165 165 0 8 0 namei 1024 10714 0 10713 4 3 1 2 0 8 0 vcpupl 3904 2 0 0 1 0 1 1 0 8 0 vmpool 808 2 0 0 1 0 1 1 0 8 0 kstatmem 264 60 0 38 2 0 2 2 0 8 0 scsiplug 72 4 0 4 2 2 0 1 0 8 0 scxspl 216 10906 0 10906 9 8 1 8 1 8 1 plimitpl 152 164 0 146 1 0 1 1 0 8 0 sigapl 424 901 0 855 9 3 6 8 0 8 0 knotepl 120 18901 0 18834 24 21 3 16 0 8 0 kqueuepl 184 162 0 149 1 0 1 1 0 8 0 pipepl 304 186 0 159 5 2 3 5 0 8 0 fdescpl 448 863 0 834 5 1 4 5 0 8 0 filepl 120 4881 0 4659 12 4 8 12 0 8 0 lockfpl 104 154 0 152 1 0 1 1 0 8 0 lockfspl 48 64 0 62 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 101 0 85 1 0 1 1 0 8 0 ucredpl 104 1220 0 1206 1 0 1 1 0 8 0 zombiepl 144 940 0 940 3 2 1 1 0 8 1 processpl 1152 901 0 855 5 0 5 5 0 8 0 procpl 664 1620 0 1559 10 2 8 8 0 8 2 sosppl 176 2 0 2 1 1 0 1 0 8 0 sockpl 552 916 0 885 9 6 3 8 0 8 0 mcl64k 65536 26 0 26 3 3 0 1 0 8 0 mcl12k 12288 1 0 1 1 1 0 1 0 8 0 mcl9k 9216 3 0 3 2 2 0 1 0 8 0 mcl8k 8192 8 0 8 2 2 0 1 0 8 0 mcl4k 4096 3052 0 2996 15 7 8 15 0 8 0 mcl2k 2048 846 0 840 6 4 2 3 0 8 1 mtagpl 96 20 0 5 1 0 1 1 0 8 0 mbufpl 256 9151 0 8953 24 7 17 17 0 8 0 bufpl 280 4719 0 122 329 0 329 329 0 8 0 anonpl 24 156533 0 152922 83 36 47 71 0 187 17 amapchunkpl 152 22725 0 22247 35 14 21 29 0 158 0 amappl16 200 3049 0 2993 39 23 16 28 0 8 12 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 32 0 32 1 1 0 1 0 8 0 amappl13 176 497 0 496 1 0 1 1 0 8 0 amappl12 168 1215 0 1177 2 0 2 2 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 63 0 53 1 0 1 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 17 0 16 1 0 1 1 0 8 0 amappl7 128 81 0 80 1 0 1 1 0 8 0 amappl6 120 278 0 266 1 0 1 1 0 8 0 amappl5 112 71 0 63 1 0 1 1 0 8 0 amappl4 104 385 0 361 1 0 1 1 0 8 0 amappl3 96 4271 0 4164 4 1 3 4 0 8 0 amappl2 88 529 0 475 2 0 2 2 0 8 0 amappl1 80 10926 0 10389 14 1 13 13 0 8 0 amappl 88 6190 0 6029 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 128 255 0 255 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 82 0 2 2 0 2 2 0 8 0 uaddrrnd 24 863 0 834 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 863 0 834 1 0 1 1 0 8 0 vmmpekpl 168 8483 0 8451 2 0 2 2 0 8 0 vmmpepl 168 61690 0 59869 109 17 92 102 0 357 3 vmsppl 368 862 0 834 4 1 3 4 0 8 0 rwobjpl 40 19244 0 18182 17 3 14 15 0 8 1 pdppl 4096 1737 0 1670 106 37 69 79 0 8 2 pvpl 32 406258 0 396026 193 65 128 156 0 265 16 pmappl 216 864 0 834 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 401 0 75 10 0 10 10 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(ffff80002a72d4c0) 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(ffff80002a72d4c0) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3