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(deafbeaddeafbf8d) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73ccf8) at reaper+0x29c sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a773060 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff837edff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a73cc00 r8 0xffffffffffffffff r9 0 r10 0x7051685b28de7871 r11 0x553a59388af78f2c r12 0xdeafbeaddeafbead r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeafbeaddeafbf8d r15 0 rip 0xffffffff83049eae mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a773030 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%rax ddb> show proc PROC (reaper) tid=153908 pid=80025 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=32, usrpri=51, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a73ca60,0xffff80002a73da00 process=0xffff8000ffffcd80 user=0xffff80002a76e000, vmspace=0xffffffff83966f28 estcpu=1, cpticks=10, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 38004 220437 0 0 3 0x14280 nfsidl nfsio 54819 364009 33861 0 2 0 syz-executor 54819 90844 33861 0 3 0x4000080 fsleep syz-executor 54819 154918 33861 0 3 0x4000080 fsleep syz-executor 84764 443404 0 0 3 0x14280 nfsidl nfsio 69084 122165 16911 0 2 0 syz-executor 69084 162630 16911 0 3 0x4000080 fsleep syz-executor 69084 395562 16911 0 3 0x4000080 fsleep syz-executor 16932 114221 53615 0 2 0 syz-executor 16932 329750 53615 0 3 0x4000080 kqsel syz-executor 16932 496571 53615 0 3 0x4000080 fsleep syz-executor 16932 493166 53615 0 3 0x4000080 fsleep syz-executor 10804 315055 48961 0 2 0 syz-executor 10804 519276 48961 0 2 0x4000000 syz-executor 10804 43591 48961 0 3 0x4000080 sysctllk syz-executor 63375 246526 33656 0 2 0x1 syz-executor 63375 78506 33656 0 3 0x4000080 fsleep syz-executor 63375 56419 33656 0 3 0x4000080 fsleep syz-executor 63375 357458 33656 0 3 0x4000080 fsleep syz-executor 52495 482759 21673 0 2 0x1 syz-executor 52495 219034 21673 0 3 0x4000080 fsleep syz-executor 24116 486525 0 0 3 0x14200 acct acct 20205 484141 86015 0 2 0x2 syz-executor 89607 278452 1 0 3 0x100083 ttyopn getty 21673 54349 86015 0 3 0x82 nanoslp syz-executor 53615 194883 86015 0 3 0x82 nanoslp syz-executor 48961 226073 86015 0 3 0x82 nanoslp syz-executor 33656 19105 86015 0 3 0x82 nanoslp syz-executor 80356 196308 86015 0 3 0x82 nanoslp syz-executor 33861 335237 86015 0 3 0x82 nanoslp syz-executor 16911 26846 86015 0 3 0x82 nanoslp syz-executor 86015 149941 42526 0 3 0x82 kqread syz-executor 42526 493960 99540 0 3 0x10008a sigsusp ksh 99540 24702 40004 0 3 0x98 kqread sshd-session 40004 61692 73912 0 3 0x92 kqread sshd-session 73912 238206 1 0 3 0x88 kqread sshd 84404 513426 65359 73 3 0x1100090 kqread syslogd 65359 201770 1 0 3 0x100082 sbwait syslogd 74178 196806 1 0 3 0x100080 kqread resolvd 33318 372471 39919 77 3 0x100092 kqread dhcpleased 85264 496679 39919 77 3 0x100092 kqread dhcpleased 39919 513369 1 0 3 0x80 kqread dhcpleased 32772 297418 0 0 3 0x14200 bored smr 36931 99296 0 0 2 0x14200 zerothread 79336 150884 0 0 3 0x14200 aiodoned aiodoned 15116 372907 0 0 3 0x14200 syncer update 39295 365853 0 0 3 0x14200 cleaner cleaner *80025 153908 0 0 7 0x14200 reaper 41946 353947 0 0 3 0x14200 pgdaemon pagedaemon 50931 21314 0 0 3 0x14200 bored viomb 48183 214539 0 0 3 0x40014200 acpi0 acpi0 29570 274968 0 0 2 0x14200 softnet0 2571 328554 0 0 3 0x14200 bored systqmp 86814 180464 0 0 3 0x14200 bored systq 53309 453132 0 0 3 0x40014200 tmoslp softclock 25587 11485 0 0 3 0x40014200 idle0 1 365780 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 10186 11181K 11760K 166960K 13212 0 pcb 18 18K 21K 166960K 447 0 rtable 155 8K 10K 166960K 594 0 pf 33 13K 19K 166960K 159 0 ifaddr 31 5K 7K 166960K 110 0 ifgroup 50 2K 2K 166960K 177 0 sysctl 4 1K 9K 166960K 17 0 counters 32 17K 18K 166960K 105 0 ioctlops 0 0K 4K 166960K 356 0 iov 0 0K 16K 166960K 113 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1455 91K 93K 166960K 2717 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 71 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 236K 166960K 1319 0 sigio 1 0K 0K 166960K 30 0 proc 60 59K 100K 166960K 616 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 1 0K 0K 166960K 189 0 in_multi 49 3K 6K 166960K 165 0 ether_multi 1 0K 0K 166960K 18 0 mrt 1 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 575 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 232 135K 154K 166960K 13483 0 UVM aobj 29 3K 3K 166960K 30 0 pinsyscall 37 74K 94K 166960K 2393 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 93 0 NDP 11 0K 1K 166960K 77 0 temp 79 8656K 8784K 166960K 67469 0 kqueue 19 27K 31K 166960K 292 0 SYN cache 2 8K 16K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 240 0 236 3 2 1 3 0 8 0 rtentry 136 183 0 133 4 0 4 4 0 8 0 unpcb 144 950 0 930 8 3 5 5 0 8 4 syncache 336 6 0 6 1 1 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 736 531 0 522 15 5 10 13 0 8 8 arp 96 23 0 13 1 0 1 1 0 8 0 ipq 40 7 0 5 1 0 1 1 0 8 0 ipqe 40 10 0 8 1 0 1 1 0 8 0 inpcb 328 1571 0 1557 16 4 12 13 0 8 8 ip6q 72 2 0 1 2 1 1 1 0 8 0 ip6af 40 3 0 2 2 1 1 1 0 8 0 nd6 112 28 0 19 1 0 1 1 0 8 0 pkpcb 40 9 0 9 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 3 0 3 1 1 0 1 0 8 0 ppxss 1072 62 0 62 1 0 1 1 0 8 1 pppxif 1384 5 0 5 2 1 1 1 0 8 1 pfanchor 1288 6 0 0 1 0 1 1 0 8 0 pfstkey 128 1 0 1 1 0 1 1 0 8 1 pfstate 384 1 0 1 1 0 1 1 0 8 1 pfrule 1344 1 0 1 1 1 0 1 0 8 0 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 649 0 448 29 5 24 29 0 8 7 art_table 40 652 0 448 5 0 5 5 0 8 0 art_node 32 148 0 105 1 0 1 1 0 8 0 sysvmsgpl 40 45 0 40 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 68 0 58 1 0 1 1 0 8 0 shmpl 112 27 0 1 1 0 1 1 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 4025 0 2535 95 0 95 95 0 8 0 ffsino 256 4025 0 2535 95 0 95 95 0 8 0 nchpl 144 5899 0 4206 64 0 64 64 0 8 0 rtmask 32 8 0 8 2 1 1 1 0 8 1 vnodes 216 4767 0 0 265 0 265 265 0 8 0 namei 1024 20852 0 20852 3 2 1 2 0 8 1 kstatmem 264 116 0 94 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 7 0 7 2 1 1 1 0 8 1 scxspl 216 18108 0 18108 9 7 2 8 1 8 2 plimitpl 152 416 0 398 1 0 1 1 0 8 0 sigapl 424 1581 0 1536 7 1 6 6 0 8 0 knotepl 120 344057 0 344002 39 28 11 24 0 8 8 kqueuepl 184 571 0 556 6 3 3 4 0 8 2 pipepl 304 231 0 204 3 0 3 3 0 8 0 fdescpl 448 1560 0 1532 5 1 4 5 0 8 0 filepl 120 11273 0 11045 24 7 17 21 0 8 7 lockfpl 104 512 0 510 1 0 1 1 0 8 0 lockfspl 48 197 0 195 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 2101 0 2090 1 0 1 1 0 8 0 zombiepl 144 1905 0 1904 1 0 1 1 0 8 0 processpl 1152 1581 0 1536 4 0 4 4 0 8 0 procpl 664 3475 0 3417 6 0 6 6 0 8 0 sosppl 176 10 0 10 2 1 1 1 0 8 1 sockpl 552 2946 0 2908 25 13 12 20 0 8 8 mcl64k 65536 283 0 282 1 0 1 1 0 8 0 mcl16k 16384 2 0 2 2 1 1 1 0 8 1 mcl8k 8192 13 0 13 2 1 1 1 0 8 1 mcl4k 4096 4021 0 3969 13 5 8 13 0 8 1 mcl2k 2048 1982 0 1976 2 0 2 2 0 8 1 mtagpl 96 5 0 4 2 1 1 1 0 8 0 mbufpl 256 18329 0 18177 16 4 12 15 0 8 0 bufpl 280 6894 0 672 445 0 445 445 0 8 0 anonpl 24 246542 0 237598 83 0 83 83 0 187 6 amapchunkpl 152 47275 0 46711 48 9 39 39 0 158 14 amappl16 200 4613 0 4323 40 13 27 27 0 8 0 amappl15 192 4 0 3 1 0 1 1 0 8 0 amappl14 184 5 0 5 1 1 0 1 0 8 0 amappl13 176 419 0 418 1 0 1 1 0 8 0 amappl12 168 1912 0 1875 2 0 2 2 0 8 0 amappl11 160 111 0 111 1 1 0 1 0 8 0 amappl10 152 44 0 34 1 0 1 1 0 8 0 amappl9 144 246 0 246 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 89 0 86 1 0 1 1 0 8 0 amappl6 120 355 0 343 1 0 1 1 0 8 0 amappl5 112 78 0 70 1 0 1 1 0 8 0 amappl4 104 411 0 387 1 0 1 1 0 8 0 amappl3 96 7898 0 7814 3 0 3 3 0 8 0 amappl2 88 1688 0 1617 2 0 2 2 0 8 0 amappl1 80 13878 0 13344 13 0 13 13 0 8 0 amappl 88 12542 0 12376 5 0 5 5 0 92 0 uvmvnodes 80 4767 0 0 98 0 98 98 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 258 0 258 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 29 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1560 0 1532 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1560 0 1532 1 0 1 1 0 8 0 vmmpekpl 168 13659 0 13625 3 0 3 3 0 8 0 vmmpepl 168 103326 0 101312 106 5 101 101 0 357 4 vmsppl 368 1559 0 1531 4 1 3 4 0 8 0 rwobjpl 40 32828 0 26925 60 0 60 60 0 8 0 pdppl 4096 3127 0 3062 105 38 67 83 0 8 2 pvpl 32 681772 0 666076 171 4 167 167 0 265 24 pmappl 216 1559 0 1531 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 400 0 68 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:335 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73ccf8) 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(deafbeaddeafbf8d) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73ccf8) at reaper+0x29c sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3