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(deadbeefdeadbfcf) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deadbeefdeadbeef,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72c530) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a7638c0 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff83854ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72c500 r8 0xffffffffffffffff r9 0 r10 0x75329099f0cbd45a r11 0xd2901cf892bf8dcf r12 0xdeadbeefdeadbeef r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeadbeefdeadbfcf r15 0 rip 0xffffffff8122946e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a763890 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=284537 pid=96946 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=0xffff80002a72c298,0xffff80002a72d768 process=0xffff8000ffffe880 user=0xffff80002a75e000, vmspace=0xffffffff83946de0 estcpu=0, cpticks=88, pctcpu=0.3, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 29669 406967 0 0 3 0x14280 nfsidl nfsio 7271 309764 17520 0 2 0 syz-executor 20988 502284 94510 0 2 0 syz-executor 20988 350390 94510 0 3 0x4000080 fsleep syz-executor 14697 353996 448 -1 2 0x10 syz-executor 14697 123913 448 -1 3 0x4000090 fsleep syz-executor 14697 129854 448 -1 3 0x4000090 fsleep syz-executor 68218 277204 28013 0 2 0 syz-executor 68218 74285 28013 0 2 0x4000000 syz-executor 68218 379187 28013 0 3 0x4000080 fsleep syz-executor 85099 414836 0 0 3 0x14200 acct acct 79276 317614 1 0 3 0x100083 ttyin getty 68280 358825 0 0 3 0x14280 nfsidl nfsio 69745 1956 0 0 3 0x14280 nfsidl nfsio 17938 103759 0 0 3 0x14280 nfsidl nfsio 69531 231920 0 0 3 0x14280 nfsidl nfsio 94510 110697 46046 0 3 0x82 nanoslp syz-executor 52248 269508 46046 0 2 0x2 syz-executor 36406 357359 46046 0 3 0x82 nanoslp syz-executor 448 119867 46046 0 3 0x82 nanoslp syz-executor 17520 104239 46046 0 3 0x82 nanoslp syz-executor 74954 286272 46046 0 3 0x82 wait syz-executor 28013 214744 46046 0 3 0x82 nanoslp syz-executor 46046 249138 34646 0 3 0x82 nanoslp syz-executor 34646 204518 12244 0 3 0x10008a sigsusp ksh 12244 502447 44763 0 3 0x98 kqread sshd-session 44763 149130 42830 0 3 0x92 kqread sshd-session 42830 421356 1 0 3 0x88 kqread sshd 64254 308807 65652 73 3 0x1100090 kqread syslogd 65652 132316 1 0 3 0x100082 sbwait syslogd 22138 454116 1 0 3 0x100080 kqread resolvd 30555 307541 14354 77 3 0x100092 kqread dhcpleased 24596 225775 14354 77 3 0x100092 kqread dhcpleased 14354 160009 1 0 3 0x80 kqread dhcpleased 52530 133274 0 0 3 0x14200 bored smr 86745 79650 0 0 2 0x14200 zerothread 19444 429667 0 0 3 0x14200 aiodoned aiodoned 83718 338187 0 0 3 0x14200 syncer update 32142 128843 0 0 3 0x14200 cleaner cleaner *96946 284537 0 0 7 0x14200 reaper 71785 513700 0 0 3 0x14200 pgdaemon pagedaemon 69593 348757 0 0 3 0x14200 bored viomb 30134 121489 0 0 3 0x40014200 acpi0 acpi0 57019 436410 0 0 3 0x14200 bored softnet0 45498 485456 0 0 3 0x14200 bored systqmp 1155 286011 0 0 3 0x14200 bored systq 11253 404888 0 0 3 0x40014200 tmoslp softclock 30155 393484 0 0 3 0x40014200 idle0 1 209705 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 11065 12104K 12430K 166960K 14287 0 pcb 17 17K 19K 166960K 484 0 rtable 181 11K 12K 166960K 842 0 pf 33 13K 16K 166960K 195 0 ifaddr 28 5K 7K 166960K 146 0 ifgroup 46 2K 2K 166960K 271 0 sysctl 4 1K 9K 166960K 22 0 counters 32 17K 18K 166960K 140 0 ioctlops 0 0K 8K 166960K 392 0 iov 0 0K 32K 166960K 138 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1532 96K 97K 166960K 3282 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 34 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 73 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 228K 166960K 2079 0 sigio 0 0K 0K 166960K 36 0 proc 61 59K 124K 166960K 789 0 subproc 63 3K 5K 166960K 243 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 213 0 in_multi 47 3K 7K 166960K 202 0 ether_multi 1 0K 0K 166960K 17 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 663 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 143K 170K 166960K 21802 0 UVM aobj 56 21K 23K 166960K 65 0 pinsyscall 35 70K 96K 166960K 3256 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 143 0 NDP 10 0K 1K 166960K 100 0 temp 76 8671K 8928K 166960K 83913 0 kqueue 16 22K 34K 166960K 443 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 120 286 0 282 3 0 3 3 0 8 2 rtentry 136 198 0 144 4 0 4 4 0 8 0 unpcb 144 1255 0 1240 4 0 4 4 0 8 3 syncache 336 13 0 13 2 1 1 1 0 8 1 tcpqe 32 4 0 4 1 0 1 1 0 8 1 tcpcb 736 975 0 969 13 4 9 13 0 8 8 arp 96 30 0 22 1 0 1 1 0 8 0 ipq 40 10 0 9 1 0 1 1 0 8 0 ipqe 40 13 0 12 1 0 1 1 0 8 0 inpcb 328 2144 0 2135 13 4 9 13 0 8 8 ip6q 72 77 0 77 1 0 1 1 0 8 1 ip6af 40 149 0 149 1 0 1 1 0 8 1 nd6 112 45 0 30 1 0 1 1 0 8 0 pkpcb 40 14 0 14 2 1 1 1 0 8 1 kcovpl 48 27 0 20 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 0 1 1 0 8 1 ppxss 1072 74 0 74 1 0 1 1 0 8 1 pppxif 1384 14 0 14 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 9 0 7 1 0 1 1 0 8 0 pfstate 384 5 0 4 1 0 1 1 0 8 0 art_heap8 4096 5 0 1 4 0 4 4 0 8 0 art_heap4 256 792 0 559 31 2 29 31 0 8 8 art_table 40 797 0 560 5 0 5 5 0 8 0 art_node 32 196 0 147 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 9 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 70 0 60 1 0 1 1 0 8 0 shmpl 112 51 0 7 2 0 2 2 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 5310 0 3796 95 0 95 95 0 8 0 ffsino 256 5310 0 3796 95 0 95 95 0 8 0 nchpl 144 8221 0 7602 64 31 33 64 0 8 8 rtmask 32 21 0 21 1 0 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 29346 0 29346 4 2 2 2 0 8 2 vcpupl 3904 9 0 0 2 0 2 2 0 8 0 vmpool 808 11 0 2 1 0 1 1 0 8 0 kstatmem 264 156 0 136 3 0 3 3 0 8 1 scsiplug 72 8 0 8 1 0 1 1 0 8 1 scxspl 216 28960 0 28960 9 1 8 8 1 8 8 plimitpl 152 774 0 759 1 0 1 1 0 8 0 sigapl 424 2355 0 2309 9 1 8 8 0 8 2 knotepl 120 180381 0 180331 28 18 10 16 0 8 8 kqueuepl 184 914 0 904 4 0 4 4 0 8 3 pipepl 304 445 0 417 8 0 8 8 0 8 5 fdescpl 448 2311 0 2285 5 1 4 5 0 8 0 filepl 120 15989 0 15789 15 0 15 15 0 8 7 lockfpl 104 911 0 909 2 0 2 2 0 8 1 lockfspl 48 302 0 300 1 0 1 1 0 8 0 sessionpl 144 47 0 39 1 0 1 1 0 8 0 pgrppl 48 98 0 83 1 0 1 1 0 8 0 ucredpl 104 2443 0 2431 1 0 1 1 0 8 0 zombiepl 144 3968 0 3966 1 0 1 1 0 8 0 processpl 1152 2355 0 2309 5 0 5 5 0 8 1 procpl 664 6022 0 5969 7 0 7 7 0 8 1 sosppl 176 10 0 10 1 0 1 1 0 8 1 sockpl 552 3822 0 3794 12 2 10 12 0 8 7 mcl64k 65536 226 0 226 2 1 1 1 0 8 1 mcl16k 16384 9 0 9 1 0 1 1 0 8 1 mcl12k 12288 2 0 2 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 24 0 24 2 1 1 1 0 8 1 mcl4k 4096 5385 0 5338 12 4 8 10 0 8 1 mcl2k 2048 3267 0 3264 8 2 6 6 0 8 5 mtagpl 96 40 0 30 1 0 1 1 0 8 0 mbufpl 256 32797 0 32109 453 403 50 368 0 8 6 bufpl 280 8727 0 2506 445 0 445 445 0 8 0 anonpl 24 287511 0 281838 86 10 76 76 0 187 29 amapchunkpl 152 73637 0 73110 41 4 37 37 0 158 11 amappl16 200 3434 0 3338 24 7 17 24 0 8 8 amappl14 184 7 0 7 1 1 0 1 0 8 0 amappl13 176 439 0 438 1 0 1 1 0 8 0 amappl12 168 2701 0 2666 2 0 2 2 0 8 0 amappl11 160 1 0 0 1 0 1 1 0 8 0 amappl10 152 38 0 28 1 0 1 1 0 8 0 amappl9 144 245 0 245 1 1 0 1 0 8 0 amappl8 136 60 0 57 1 0 1 1 0 8 0 amappl7 128 87 0 85 1 0 1 1 0 8 0 amappl6 120 299 0 287 1 0 1 1 0 8 0 amappl5 112 89 0 80 1 0 1 1 0 8 0 amappl4 104 425 0 400 1 0 1 1 0 8 0 amappl3 96 12973 0 12899 3 0 3 3 0 8 0 amappl2 88 2472 0 2404 2 0 2 2 0 8 0 amappl1 80 18596 0 18072 14 1 13 13 0 8 0 amappl 88 20643 0 20495 5 0 5 5 0 92 0 uvmvnodes 80 169 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma8192 8192 2 0 2 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 7 0 7 2 1 1 1 0 8 1 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 64 0 9 2 0 2 2 0 8 1 uaddrrnd 24 2311 0 2285 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2311 0 2285 1 0 1 1 0 8 0 vmmpekpl 168 21268 0 21228 3 0 3 3 0 8 0 vmmpepl 168 150988 0 149261 98 1 97 97 0 357 11 vmsppl 368 2310 0 2284 4 1 3 4 0 8 0 rwobjpl 40 38662 0 37559 16 1 15 15 0 8 0 pdppl 4096 4650 0 4581 153 80 73 82 0 8 4 pvpl 32 948394 0 936739 158 18 140 140 0 265 31 pmappl 216 2321 0 2286 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 895 0 504 20 0 20 20 0 8 6 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(deadbeefdeadbfcf) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deadbeefdeadbeef,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72c530) 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(deadbeefdeadbfcf) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deadbeefdeadbeef,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72c530) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3