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(deaf4152deaf4232) at mtx_enter+0x6e sys/kern/kern_lock.c:545 prsignal(deaf4152deaf4152,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73d758) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a772f60 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff8385aff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a73d700 r8 0xffffffffffffffff r9 0 r10 0x211a7f38c56e5210 r11 0x2ef9b0a3bc3a4821 r12 0xdeaf4152deaf4152 r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeaf4152deaf4232 r15 0 rip 0xffffffff81ad533e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a772f30 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=240415 pid=20339 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=0xffff80002a73d228,0xffff80002a73da00 process=0xffff8000ffffe400 user=0xffff80002a76e000, vmspace=0xffffffff838cc3d0 estcpu=0, cpticks=7, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 90253 198633 0 0 3 0x14280 nfsidl nfsio 80737 429478 0 0 3 0x14280 nfsidl nfsio 19389 417495 0 0 3 0x14280 nfsidl nfsio 78116 467600 24356 0 2 0x10 syz-executor 78116 493483 24356 0 3 0x4000090 sysctllk syz-executor 20270 492692 65829 0 2 0 syz-executor 20270 67254 65829 0 3 0x4000080 fsleep syz-executor 20270 495011 65829 0 2 0x4000000 syz-executor 14220 188089 86273 0 2 0 syz-executor 14220 77339 86273 0 3 0x4000080 fsleep syz-executor 48661 23949 26029 0 3 0x80 nanoslp syz-executor 48661 406039 26029 0 3 0x4000080 kqread syz-executor 48661 203909 26029 0 3 0x4000080 fsleep syz-executor 82886 225188 27792 0 2 0 syz-executor 82886 429994 27792 0 2 0x4000000 syz-executor 82886 146533 27792 0 3 0x4000080 sysctllk syz-executor 89134 136559 1 0 3 0x100083 ttyin getty 26029 518656 21912 0 3 0x82 nanoslp syz-executor 65829 482376 21912 0 3 0x82 nanoslp syz-executor 24356 215761 21912 0 3 0x82 nanoslp syz-executor 86273 476861 21912 0 3 0x82 nanoslp syz-executor 27792 260259 21912 0 3 0x82 nanoslp syz-executor 99680 375592 21912 0 2 0x2 syz-executor 33658 241601 21912 0 3 0x82 nanoslp syz-executor 14490 473710 21912 0 3 0x82 wait syz-executor 21912 284456 18993 0 3 0x82 kqread syz-executor 18993 248502 39876 0 3 0x10008a sigsusp ksh 39876 374576 98555 0 3 0x98 kqread sshd-session 98555 189308 83239 0 3 0x92 kqread sshd-session 83239 90212 1 0 3 0x88 kqread sshd 85249 212852 53014 73 3 0x1100090 kqread syslogd 53014 336479 1 0 3 0x100082 sbwait syslogd 53664 423586 1 0 3 0x100080 kqread resolvd 91165 197095 23125 77 3 0x100092 kqread dhcpleased 32894 328633 23125 77 3 0x100092 kqread dhcpleased 23125 206842 1 0 3 0x80 kqread dhcpleased 64667 404812 0 0 3 0x14200 bored smr 41561 110715 0 0 2 0x14200 zerothread 57289 158782 0 0 3 0x14200 aiodoned aiodoned 42738 33796 0 0 3 0x14200 syncer update 91205 254605 0 0 3 0x14200 cleaner cleaner *20339 240415 0 0 7 0x14200 reaper 45126 65123 0 0 3 0x14200 pgdaemon pagedaemon 93586 217438 0 0 3 0x14200 bored viomb 8678 135817 0 0 3 0x40014200 acpi0 acpi0 34332 231935 0 0 3 0x14200 bored softnet0 37516 134010 0 0 3 0x14200 bored systqmp 74296 407288 0 0 3 0x14200 bored systq 11752 506524 0 0 3 0x40014200 tmoslp softclock 70749 160708 0 0 3 0x40014200 idle0 1 73842 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 10188 11182K 11364K 166960K 12383 0 pcb 17 13K 14K 166960K 205 0 rtable 199 7K 8K 166960K 486 0 pf 35 14K 14K 166960K 102 0 ifaddr 36 6K 8K 166960K 85 0 ifgroup 55 2K 2K 166960K 132 0 sysctl 3 1K 9K 166960K 10 0 counters 33 17K 18K 166960K 74 0 ioctlops 0 0K 6K 166960K 145 0 iov 0 0K 18K 166960K 50 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1463 92K 92K 166960K 2143 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 20 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 110K 166960K 649 0 sigio 0 0K 0K 166960K 17 0 proc 60 59K 91K 166960K 535 0 subproc 72 4K 4K 166960K 75 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 50 0 in_multi 67 5K 7K 166960K 126 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 9 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 423 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 236 151K 166K 166960K 7822 0 UVM aobj 18 4K 6K 166960K 24 0 pinsyscall 38 76K 90K 166960K 1724 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 40 0 NDP 12 0K 2K 166960K 56 0 temp 50 8644K 8710K 166960K 27300 0 kqueue 16 22K 31K 166960K 131 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 85 0 81 1 0 1 1 0 8 0 rtentry 136 144 0 65 4 0 4 4 0 8 0 unpcb 144 342 0 327 2 0 2 2 0 8 1 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 736 225 0 216 4 0 4 4 0 8 3 arp 96 23 0 8 1 0 1 1 0 8 0 ipq 40 3 0 2 1 0 1 1 0 8 0 ipqe 40 5 0 4 1 0 1 1 0 8 0 inpcb 328 585 0 571 4 0 4 4 0 8 2 ip6q 72 3 0 1 1 0 1 1 0 8 0 ip6af 40 5 0 2 1 0 1 1 0 8 0 nd6 112 26 0 9 1 0 1 1 0 8 0 pkpcb 40 7 0 7 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1072 33 0 32 2 1 1 1 0 8 0 pppxif 1384 6 0 6 2 1 1 1 0 8 1 pfstkey 128 2 0 2 1 1 0 1 0 8 0 pfstate 384 1 0 1 1 1 0 1 0 8 0 pfrule 1344 2 0 2 1 0 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 587 0 266 30 0 30 30 0 8 7 art_table 40 590 0 266 5 0 5 5 0 8 0 art_node 32 143 0 73 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 6 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 19 0 4 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2628 0 1133 95 0 95 95 0 8 0 ffsino 256 2628 0 1133 95 0 95 95 0 8 0 nchpl 144 3577 0 1882 63 0 63 63 0 8 0 rtmask 32 4 0 4 1 0 1 1 0 8 1 vnodes 216 3206 0 0 179 0 179 179 0 8 0 namei 1024 11752 0 11751 2 1 1 1 0 8 0 vmpool 800 2 0 2 1 0 1 1 0 8 1 kstatmem 264 78 0 54 2 0 2 2 0 8 0 scsiplug 72 4 0 4 1 0 1 1 0 8 1 scxspl 216 11915 0 11915 9 1 8 8 1 8 8 plimitpl 152 142 0 125 1 0 1 1 0 8 0 sigapl 424 936 0 891 7 1 6 6 0 8 0 knotepl 120 22092 0 22040 10 0 10 10 0 8 8 kqueuepl 184 195 0 184 1 0 1 1 0 8 0 pipepl 304 261 0 234 8 0 8 8 0 8 5 fdescpl 448 918 0 889 5 1 4 5 0 8 0 filepl 120 5540 0 5280 14 1 13 13 0 8 4 lockfpl 104 385 0 382 2 0 2 2 0 8 1 lockfspl 48 167 0 164 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 38 0 22 1 0 1 1 0 8 0 ucredpl 104 883 0 871 1 0 1 1 0 8 0 zombiepl 144 1265 0 1263 2 1 1 1 0 8 0 processpl 1152 936 0 891 4 0 4 4 0 8 0 procpl 664 1868 0 1815 6 0 6 6 0 8 1 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 552 1035 0 1002 5 0 5 5 0 8 2 mcl64k 65536 66 0 65 4 1 3 3 0 8 2 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 12 0 12 2 1 1 1 0 8 1 mcl4k 4096 3141 0 3087 14 6 8 14 0 8 0 mcl2k 2048 1007 0 1004 4 2 2 3 0 8 1 mtagpl 96 8 0 6 2 1 1 1 0 8 0 mbufpl 256 10591 0 10433 17 1 16 16 0 8 1 bufpl 280 4543 0 122 316 0 316 316 0 8 0 anonpl 24 163736 0 160134 48 4 44 44 0 187 14 amapchunkpl 152 25762 0 25270 30 0 30 30 0 158 9 amappl16 200 2957 0 2896 21 7 14 15 0 8 10 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 3 0 3 1 1 0 1 0 8 0 amappl13 176 404 0 403 1 0 1 1 0 8 0 amappl12 168 1265 0 1227 2 0 2 2 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 57 0 47 1 0 1 1 0 8 0 amappl9 144 286 0 286 1 1 0 1 0 8 0 amappl8 136 25 0 24 1 0 1 1 0 8 0 amappl7 128 80 0 79 1 0 1 1 0 8 0 amappl6 120 268 0 257 1 0 1 1 0 8 0 amappl5 112 76 0 67 1 0 1 1 0 8 0 amappl4 104 391 0 368 1 0 1 1 0 8 0 amappl3 96 4293 0 4202 3 0 3 3 0 8 0 amappl2 88 1047 0 977 2 0 2 2 0 8 0 amappl1 80 11394 0 10861 14 1 13 13 0 8 1 amappl 88 7011 0 6845 5 0 5 5 0 92 0 uvmvnodes 80 3206 0 0 66 0 66 66 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 128 257 0 257 2 1 1 1 0 8 1 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 1 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 23 0 6 1 0 1 1 0 8 0 uaddrrnd 24 918 0 889 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 918 0 889 1 0 1 1 0 8 0 vmmpekpl 168 9596 0 9560 3 0 3 3 0 8 0 vmmpepl 168 65274 0 63461 91 1 90 90 0 357 4 vmsppl 368 917 0 889 4 1 3 4 0 8 0 rwobjpl 40 23333 0 19236 44 0 44 44 0 8 1 pdppl 4096 1847 0 1782 101 34 67 79 0 8 2 pvpl 32 426087 0 415996 111 1 110 110 0 265 23 pmappl 216 919 0 891 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 390 0 51 11 1 10 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(deaf4152deaf4232) at mtx_enter+0x6e sys/kern/kern_lock.c:545 prsignal(deaf4152deaf4152,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73d758) 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(deaf4152deaf4232) at mtx_enter+0x6e sys/kern/kern_lock.c:545 prsignal(deaf4152deaf4152,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73d758) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3