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(deaf4152deaf4232) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(deaf4152deaf4152,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72c7c8) at reaper+0x29c sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a763930 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff837f8ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72c700 r8 0xffffffffffffffff r9 0 r10 0x61fb34ce127a3a18 r11 0xbc30cad3822550d5 r12 0xdeaf4152deaf4152 r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeaf4152deaf4232 r15 0 rip 0xffffffff81a14c4e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a763900 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%rax ddb> show proc PROC (reaper) tid=478654 pid=3843 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=0xffff80002a72c000,0xffff80002a72cfa0 process=0xffff8000ffffc000 user=0xffff80002a75e000, vmspace=0xffffffff83962238 estcpu=0, cpticks=6, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 83296 388870 0 0 3 0x14280 nfsidl nfsio 5519 411779 89267 0 2 0 syz-executor 5519 105471 89267 0 3 0x4000080 fsleep syz-executor 43512 37843 0 0 3 0x14280 nfsidl nfsio 53698 79690 70971 0 2 0 syz-executor 53698 340664 70971 0 3 0x4000080 fsleep syz-executor 55345 208583 0 0 3 0x14280 nfsidl nfsio 62685 492992 32896 0 3 0x80 nanoslp syz-executor 62685 188212 32896 0 2 0x4000000 syz-executor 22168 445316 81514 -1 2 0x10 syz-executor 22168 45705 81514 -1 3 0x4000090 fsleep syz-executor 16197 406972 0 0 3 0x14200 acct acct 66897 496261 3386 0 2 0 syz-executor 66897 228560 3386 0 2 0x4000000 syz-executor 66897 271578 3386 0 3 0x4000080 fsleep syz-executor 66897 256599 3386 0 3 0x4000080 fsleep syz-executor 42532 259890 26311 0 2 0 syz-executor 42532 154239 26311 0 2 0x4000000 syz-executor 42532 427826 26311 0 3 0x4000080 fsleep syz-executor 28565 356363 1 0 3 0x100083 ttyin getty 71585 338222 64154 0 2 0x2 syz-executor 70971 349079 64154 0 3 0x82 nanoslp syz-executor 3386 193441 64154 0 3 0x82 nanoslp syz-executor 32896 422036 64154 0 3 0x82 nanoslp syz-executor 26311 512544 64154 0 3 0x82 nanoslp syz-executor 89267 511106 64154 0 3 0x82 nanoslp syz-executor 7149 426190 64154 0 2 0x2 syz-executor 81514 58729 64154 0 3 0x82 nanoslp syz-executor 64154 439184 28233 0 3 0x82 kqread syz-executor 28233 401078 73978 0 3 0x10008a sigsusp ksh 73978 361903 26854 0 3 0x98 kqread sshd-session 26854 415495 10365 0 3 0x92 kqread sshd-session 10365 8215 1 0 3 0x88 kqread sshd 11858 193029 32982 73 3 0x1100090 kqread syslogd 32982 36366 1 0 3 0x100082 sbwait syslogd 42102 404824 1 0 3 0x100080 kqread resolvd 381 359296 50259 77 3 0x100092 kqread dhcpleased 95905 90610 50259 77 3 0x100092 kqread dhcpleased 50259 484691 1 0 3 0x80 kqread dhcpleased 70534 498210 0 0 3 0x14200 bored smr 52252 209540 0 0 2 0x14200 zerothread 71054 188741 0 0 3 0x14200 aiodoned aiodoned 9390 315567 0 0 3 0x14200 syncer update 72327 255278 0 0 3 0x14200 cleaner cleaner * 3843 478654 0 0 7 0x14200 reaper 25973 60308 0 0 3 0x14200 pgdaemon pagedaemon 53864 439907 0 0 3 0x14200 bored viomb 15352 118276 0 0 3 0x40014200 acpi0 acpi0 44263 184023 0 0 2 0x14200 softnet0 34021 282157 0 0 3 0x14200 bored systqmp 13103 278618 0 0 3 0x14200 bored systq 99908 444969 0 0 3 0x40014200 tmoslp softclock 4375 12686 0 0 3 0x40014200 idle0 1 135000 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 11181K 12122K 166960K 13063 0 pcb 19 15K 16K 166960K 193 0 rtable 179 7K 8K 166960K 436 0 pf 30 13K 19K 166960K 101 0 ifaddr 32 5K 8K 166960K 81 0 ifgroup 46 2K 2K 166960K 122 0 sysctl 4 1K 9K 166960K 15 0 counters 32 17K 18K 166960K 104 0 ioctlops 0 0K 4K 166960K 318 0 iov 0 0K 16K 166960K 112 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1525 96K 96K 166960K 2525 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 22 16K 16K 166960K 67 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 835 0 sigio 0 0K 0K 166960K 11 0 proc 60 59K 100K 166960K 555 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 98 0 in_multi 61 4K 7K 166960K 129 0 ether_multi 1 0K 0K 166960K 8 0 mrt 0 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 449 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 214 158K 177K 166960K 9600 0 UVM aobj 81 7K 9K 166960K 84 0 pinsyscall 38 76K 94K 166960K 1926 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 62 0 NDP 10 0K 2K 166960K 56 0 temp 57 8667K 8740K 166960K 20498 0 kqueue 15 22K 32K 166960K 157 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 89 0 86 1 0 1 1 0 8 0 rtentry 136 121 0 51 4 0 4 4 0 8 0 unpcb 144 603 0 588 4 0 4 4 0 8 3 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 5 0 5 2 1 1 1 0 8 1 tcpcb 736 422 0 412 13 6 7 7 0 8 6 arp 96 18 0 8 1 0 1 1 0 8 0 ipq 40 4 0 2 1 0 1 1 0 8 0 ipqe 40 5 0 3 1 0 1 1 0 8 0 inpcb 328 1055 0 1037 16 9 7 11 0 8 5 ip6q 72 2 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 112 27 0 14 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 64 0 64 2 1 1 1 0 8 1 pppxif 1384 3 0 3 2 1 1 1 0 8 1 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 3 0 1 2 1 1 1 0 8 0 pfstate 384 2 0 1 2 1 1 1 0 8 0 pfrule 1344 3 0 3 2 1 1 1 0 8 1 rttmr 136 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 509 0 208 29 0 29 29 0 8 5 art_table 40 511 0 208 5 0 5 5 0 8 0 art_node 32 120 0 57 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 60 0 40 1 0 1 1 0 8 0 shmpl 112 77 0 1 3 0 3 3 0 8 0 dirhash 1024 26 0 9 3 0 3 3 0 8 0 dino2pl 256 3020 0 1522 95 0 95 95 0 8 0 ffsino 256 3020 0 1522 95 0 95 95 0 8 0 nchpl 144 4215 0 2526 64 0 64 64 0 8 0 rtmask 32 7 0 7 2 1 1 1 0 8 1 vnodes 216 3880 0 0 216 0 216 216 0 8 0 namei 1024 14984 0 14984 3 2 1 2 0 8 1 vcpupl 3904 2 0 0 1 0 1 1 0 8 0 vmpool 800 4 0 2 1 0 1 1 0 8 0 kstatmem 264 76 0 56 3 1 2 3 0 8 0 scsiplug 72 7 0 7 2 1 1 1 0 8 1 scxspl 216 13679 0 13679 15 7 8 8 1 8 8 plimitpl 152 163 0 147 1 0 1 1 0 8 0 sigapl 424 1132 0 1086 7 1 6 6 0 8 0 knotepl 120 33670 0 33615 30 19 11 17 0 8 8 kqueuepl 184 498 0 488 7 3 4 4 0 8 3 pipepl 304 229 0 202 7 2 5 5 0 8 2 fdescpl 448 1114 0 1085 5 1 4 5 0 8 0 filepl 120 8064 0 7844 21 9 12 16 0 8 4 lockfpl 104 732 0 729 2 0 2 2 0 8 1 lockfspl 48 115 0 112 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 42 0 26 1 0 1 1 0 8 0 ucredpl 104 1391 0 1377 1 0 1 1 0 8 0 zombiepl 144 1432 0 1432 1 0 1 1 0 8 1 processpl 1152 1132 0 1086 4 0 4 4 0 8 0 procpl 664 2342 0 2287 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 1 0 1 0 8 0 sockpl 552 1780 0 1744 17 9 8 12 0 8 4 mcl64k 65536 78 0 78 2 1 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 3 0 3 2 1 1 1 0 8 1 mcl8k 8192 16 0 16 2 1 1 1 0 8 1 mcl4k 4096 3445 0 3389 15 6 9 14 0 8 1 mcl2k 2048 1271 0 1265 4 2 2 3 0 8 1 mtagpl 96 32 0 13 1 0 1 1 0 8 0 mbufpl 256 13299 0 13115 87 60 27 79 0 8 8 bufpl 280 4833 0 128 337 0 337 337 0 8 0 anonpl 24 198308 0 195254 45 0 45 45 0 187 17 amapchunkpl 152 45621 0 45203 50 16 34 37 0 158 13 amappl16 200 3728 0 3695 23 12 11 15 0 8 8 amappl15 192 31 0 31 1 1 0 1 0 8 0 amappl14 184 24 0 24 2 1 1 1 0 8 1 amappl13 176 415 0 414 1 0 1 1 0 8 0 amappl12 168 1475 0 1437 2 0 2 2 0 8 0 amappl11 160 7 0 7 1 1 0 1 0 8 0 amappl10 152 53 0 43 1 0 1 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 22 0 21 1 0 1 1 0 8 0 amappl7 128 87 0 85 1 0 1 1 0 8 0 amappl6 120 282 0 270 1 0 1 1 0 8 0 amappl5 112 86 0 79 1 0 1 1 0 8 0 amappl4 104 394 0 370 1 0 1 1 0 8 0 amappl3 96 6173 0 6082 4 0 4 4 0 8 0 amappl2 88 538 0 482 2 0 2 2 0 8 0 amappl1 80 12126 0 11599 14 1 13 13 0 8 0 amappl 88 8747 0 8603 5 0 5 5 0 92 0 uvmvnodes 80 127 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 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 83 0 3 2 0 2 2 0 8 0 uaddrrnd 24 1113 0 1085 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1113 0 1085 1 0 1 1 0 8 0 vmmpekpl 168 10663 0 10633 2 0 2 2 0 8 0 vmmpepl 168 77545 0 75823 92 0 92 92 0 357 9 vmsppl 368 1113 0 1085 4 1 3 4 0 8 0 rwobjpl 40 23090 0 22067 14 0 14 14 0 8 1 pdppl 4096 2242 0 2176 107 36 71 83 0 8 5 pvpl 32 518274 0 509214 138 14 124 124 0 265 42 pmappl 216 1117 0 1087 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 472 0 120 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:335 prsignal(deaf4152deaf4152,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72c7c8) 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(deaf4152deaf4232) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(deaf4152deaf4152,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72c7c8) at reaper+0x29c sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3