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(ffff80002a73ca60) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a773620 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff8385aff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a73ca00 r8 0xffffffffffffffff r9 0 r10 0x9ad1f9b05df99a4b r11 0xd32f2656a8a394ad r12 0xdeaf4152deaf4152 r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeaf4152deaf4232 r15 0 rip 0xffffffff81ad533e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a7735f0 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=38163 pid=12065 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=0xffff80002a73c7c8,0xffff80002a73d238 process=0xffff8000ffffc000 user=0xffff80002a76e000, vmspace=0xffffffff838cc3d0 estcpu=0, cpticks=13, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 74456 242340 0 0 3 0x14280 nfsidl nfsio 50737 415470 44577 0 2 0 syz-executor 50737 425952 44577 0 2 0x4000000 syz-executor 69288 218225 0 0 3 0x14280 nfsidl nfsio 25259 472855 80255 0 2 0 syz-executor 93909 189946 95395 0 2 0 syz-executor 93909 82604 95395 0 3 0x4000080 fsleep syz-executor 93909 138979 95395 0 3 0x4000080 fsleep syz-executor 92669 413398 62173 0 2 0 syz-executor 92669 129818 62173 0 2 0x4000000 syz-executor 27503 464149 49045 0 2 0x1006 sh 2945 364230 40941 0 2 0 syz-executor 2945 177827 40941 0 2 0x4000000 syz-executor 2945 300818 40941 0 3 0x4000080 sysctllk syz-executor 49045 166357 35205 0 3 0x82 wait syz-executor 80255 394599 35205 0 3 0x82 nanoslp syz-executor 76193 150893 0 0 3 0x14200 acct acct 19588 27357 1 0 3 0x100083 ttyin getty 44577 279346 35205 0 2 0x3 syz-executor 40342 261306 35205 0 2 0x2 syz-executor 40941 23027 35205 0 2 0x3 syz-executor 57892 239763 35205 0 2 0x2 syz-executor 95395 405118 35205 0 2 0x3 syz-executor 62173 421367 35205 0 2 0x3 syz-executor 35205 63905 28252 0 2 0x3 syz-executor 28252 452839 96487 0 3 0x10008a sigsusp ksh 96487 26723 50979 0 3 0x98 kqread sshd-session 50979 365043 15073 0 3 0x92 kqread sshd-session 15073 511820 1 0 3 0x88 kqread sshd 20789 95804 75096 73 3 0x1100090 kqread syslogd 75096 211079 1 0 3 0x100082 sbwait syslogd 26102 130074 1 0 3 0x100080 kqread resolvd 92309 516159 31471 77 3 0x100092 kqread dhcpleased 75203 1140 31471 77 3 0x100092 kqread dhcpleased 31471 30079 1 0 3 0x80 kqread dhcpleased 56749 92337 0 0 3 0x14200 bored smr 47797 286914 0 0 2 0x14200 zerothread 12929 137428 0 0 3 0x14200 aiodoned aiodoned 9723 190717 0 0 3 0x14200 syncer update 67722 61973 0 0 3 0x14200 cleaner cleaner *12065 38163 0 0 7 0x14200 reaper 44165 490711 0 0 3 0x14200 pgdaemon pagedaemon 89324 38017 0 0 3 0x14200 bored viomb 28111 354977 0 0 3 0x40014200 acpi0 acpi0 66935 211508 0 0 2 0x14200 softnet0 19326 94538 0 0 3 0x14200 bored systqmp 79387 337072 0 0 3 0x14200 bored systq 48322 362007 0 0 3 0x40014200 tmoslp softclock 61061 216579 0 0 3 0x40014200 idle0 1 169123 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 10213 11069K 12337K 166960K 14251 0 pcb 17 15K 16K 166960K 408 0 rtable 180 10K 10K 166960K 697 0 pf 31 13K 16K 166960K 184 0 ifaddr 33 5K 7K 166960K 116 0 ifgroup 51 2K 2K 166960K 194 0 sysctl 4 1K 9K 166960K 81 0 counters 32 17K 18K 166960K 270 0 ioctlops 0 0K 4K 166960K 678 0 iov 0 0K 16K 166960K 166 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1522 96K 97K 166960K 3242 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 24 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 212 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 228K 166960K 1752 0 sigio 0 0K 0K 166960K 25 0 proc 60 59K 91K 166960K 672 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 242 0 in_multi 58 4K 7K 166960K 181 0 ether_multi 1 0K 0K 166960K 19 0 mrt 2 0K 0K 166960K 24 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 1 0K 1K 166960K 539 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 211 150K 176K 166960K 18292 0 UVM aobj 11 6K 6K 166960K 12 0 pinsyscall 37 74K 94K 166960K 2865 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 91 0 NDP 11 0K 2K 166960K 84 0 temp 76 8652K 8780K 166960K 66838 0 kqueue 16 22K 32K 166960K 342 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 120 179 0 175 1 0 1 1 0 8 0 rtentry 136 182 0 121 4 0 4 4 0 8 0 unpcb 144 1266 0 1251 11 5 6 6 0 8 5 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 699 0 694 10 6 4 7 0 8 3 arp 96 30 0 16 1 0 1 1 0 8 0 ipq 40 7 0 6 1 0 1 1 0 8 0 ipqe 40 12 0 11 1 0 1 1 0 8 0 inpcb 328 1823 0 1814 13 6 7 7 0 8 6 ip6q 72 4 0 4 1 0 1 1 0 8 1 ip6af 40 8 0 8 1 0 1 1 0 8 1 nd6 112 38 0 26 1 0 1 1 0 8 0 pkpcb 40 104 0 104 2 1 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1072 221 0 221 2 1 1 1 0 8 1 pppxif 1384 132 0 132 1 1 0 1 0 8 0 pfrktable 1344 33 0 33 1 0 1 1 0 8 1 rttmr 136 6 0 6 2 1 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 819 0 514 28 1 27 28 0 8 7 art_table 40 822 0 514 5 0 5 5 0 8 0 art_node 32 179 0 125 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 20 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 143 0 133 1 0 1 1 0 8 0 shmpl 112 9 0 1 1 0 1 1 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 4867 0 3373 95 0 95 95 0 8 0 ffsino 256 4867 0 3373 95 0 95 95 0 8 0 nchpl 144 7242 0 5542 65 1 64 64 0 8 0 rtmask 32 13 0 13 2 1 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 25159 0 25159 4 2 2 2 0 8 2 kstatmem 264 126 0 104 4 1 3 3 0 8 0 scsiplug 72 13 0 13 2 1 1 1 0 8 1 scxspl 216 22366 0 22366 15 7 8 8 1 8 8 plimitpl 152 723 0 707 1 0 1 1 0 8 0 sigapl 424 2024 0 1980 7 1 6 6 0 8 0 knotepl 120 108792 0 108741 37 27 10 17 0 8 8 kqueuepl 184 784 0 774 7 3 4 4 0 8 3 pipepl 304 447 0 420 8 0 8 8 0 8 5 fdescpl 448 2007 0 1979 5 1 4 5 0 8 0 filepl 120 14116 0 13907 17 6 11 14 0 8 3 lockfpl 104 814 0 812 2 1 1 2 0 8 0 lockfspl 48 244 0 242 1 0 1 1 0 8 0 sessionpl 144 25 0 17 1 0 1 1 0 8 0 pgrppl 48 52 0 36 1 0 1 1 0 8 0 ucredpl 104 2883 0 2871 1 0 1 1 0 8 0 zombiepl 144 2956 0 2956 1 0 1 1 0 8 1 processpl 1152 2024 0 1980 4 0 4 4 0 8 0 procpl 664 4954 0 4904 7 1 6 6 0 8 1 sosppl 176 9 0 9 2 1 1 1 0 8 1 sockpl 552 3430 0 3402 21 11 10 12 0 8 7 mcl64k 65536 239 0 239 2 1 1 1 0 8 1 mcl16k 16384 14 0 14 2 1 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 27 0 27 2 1 1 1 0 8 1 mcl4k 4096 4869 0 4816 14 6 8 14 0 8 0 mcl2k2 2112 2 0 2 2 1 1 1 0 8 1 mcl2k 2048 2583 0 2579 5 1 4 4 0 8 3 mtagpl 96 28 0 18 1 0 1 1 0 8 0 mbufpl 256 24656 0 24493 111 88 23 74 0 8 8 bufpl 280 6998 0 776 445 0 445 445 0 8 0 anonpl 24 285047 0 280916 63 3 60 60 0 187 20 amapchunkpl 152 73825 0 73388 57 22 35 42 0 158 14 amappl16 200 4262 0 4203 23 10 13 15 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 2 0 2 1 1 0 1 0 8 0 amappl13 176 429 0 428 1 0 1 1 0 8 0 amappl12 168 2369 0 2333 2 0 2 2 0 8 0 amappl11 160 11 0 10 1 0 1 1 0 8 0 amappl10 152 41 0 31 1 0 1 1 0 8 0 amappl9 144 246 0 245 2 1 1 1 0 8 0 amappl8 136 28 0 25 1 0 1 1 0 8 0 amappl7 128 83 0 82 1 0 1 1 0 8 0 amappl6 120 286 0 274 1 0 1 1 0 8 0 amappl5 112 73 0 65 1 0 1 1 0 8 0 amappl4 104 397 0 374 1 0 1 1 0 8 0 amappl3 96 10861 0 10789 3 0 3 3 0 8 0 amappl2 88 2112 0 2042 2 0 2 2 0 8 0 amappl1 80 15480 0 14952 12 0 12 12 0 8 0 amappl 88 17281 0 17138 5 0 5 5 0 92 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 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 8 0 8 2 1 1 1 0 8 1 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 8 0 8 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 11 0 1 1 0 1 1 0 8 0 uaddrrnd 24 2007 0 1979 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2007 0 1979 1 0 1 1 0 8 0 vmmpekpl 168 18027 0 17979 3 0 3 3 0 8 0 vmmpepl 168 130156 0 128444 96 3 93 93 0 357 10 vmsppl 368 2006 0 1979 4 1 3 4 0 8 0 rwobjpl 40 39132 0 32351 69 0 69 69 0 8 0 pdppl 4096 4021 0 3958 111 44 67 81 0 8 4 pvpl 32 847719 0 837680 153 19 134 134 0 265 40 pmappl 216 2006 0 1979 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 501 0 156 12 0 12 12 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(ffff80002a73ca60) 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(ffff80002a73ca60) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3