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(ffff80002a72d4c0) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a763730 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff83806ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72d400 r8 0xffffffffffffffff r9 0 r10 0x16e5e1c79a26ce56 r11 0x8aa4c76add2d5abe r12 0xdeadbeefdeadbeef r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeadbeefdeadbfcf r15 0 rip 0xffffffff81c34dde mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a763700 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=67680 pid=67907 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=0xffff80002a72d228,0xffff80002a72d768 process=0xffff8000ffffd680 user=0xffff80002a75e000, vmspace=0xffffffff838a83f8 estcpu=0, cpticks=3, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 41810 316398 0 0 3 0x14280 nfsidl nfsio 43158 16005 0 0 3 0x14280 nfsidl nfsio 47447 387630 35600 0 2 0 syz-executor 47447 101845 35600 0 3 0x4000080 msgwait syz-executor 47447 437014 35600 0 2 0x4000000 syz-executor 28822 21542 10728 0 2 0 syz-executor 28822 189750 10728 0 3 0x4000080 kqpoll syz-executor 53960 449901 88478 0 3 0x80 nanoslp syz-executor 53960 308968 88478 0 3 0x4000080 netcon syz-executor 53960 216934 88478 0 3 0x4000080 fsleep syz-executor 53960 257464 88478 0 3 0x4000080 fsleep syz-executor 83554 337762 27796 0 2 0 syz-executor 83554 452813 27796 0 2 0x4000000 syz-executor 83554 399432 27796 0 3 0x4000080 fsleep syz-executor 17089 115117 3090 0 3 0x3000 suspend syz-executor 17089 283048 3090 0 2 0x4081000 syz-executor 17089 199272 3090 0 3 0x4081000 inode syz-executor 46353 509921 0 0 3 0x14200 acct acct 83105 87381 1 0 3 0x80 nanoslp init 3090 312101 54949 0 3 0x82 wait syz-executor 35600 289049 54949 0 3 0x82 nanoslp syz-executor 10728 83532 54949 0 3 0x82 nanoslp syz-executor 77769 279233 54949 0 3 0x82 wait syz-executor 12379 390974 54949 0 3 0x82 nanoslp syz-executor 27796 28782 54949 0 3 0x82 nanoslp syz-executor 31394 41069 54949 0 2 0x2 syz-executor 88478 320446 54949 0 3 0x82 nanoslp syz-executor 54949 308832 68914 0 3 0x82 kqread syz-executor 68914 336640 75423 0 3 0x10008a sigsusp ksh 75423 417613 43357 0 3 0x98 kqread sshd-session 43357 269452 13241 0 3 0x92 kqread sshd-session 13241 34016 1 0 3 0x88 kqread sshd 85142 60870 62623 73 3 0x1100090 kqread syslogd 62623 502219 1 0 3 0x100082 sbwait syslogd 83383 153980 1 0 3 0x100080 kqread resolvd 8086 470819 61606 77 3 0x100092 kqread dhcpleased 24533 272276 61606 77 3 0x100092 kqread dhcpleased 61606 78745 1 0 3 0x80 kqread dhcpleased 76374 210846 0 0 3 0x14200 bored smr 59640 262216 0 0 2 0x14200 zerothread 19387 114586 0 0 3 0x14200 aiodoned aiodoned 56107 108338 0 0 3 0x14200 syncer update 59404 169112 0 0 3 0x14200 cleaner cleaner *67907 67680 0 0 7 0x14200 reaper 25001 338971 0 0 3 0x14200 pgdaemon pagedaemon 30976 311047 0 0 3 0x14200 bored viomb 20093 126898 0 0 3 0x40014200 acpi0 acpi0 24525 496692 0 0 3 0x14200 bored softnet0 16111 278349 0 0 3 0x14200 bored systqmp 63725 347551 0 0 3 0x14200 bored systq 10138 490819 0 0 3 0x40014200 tmoslp softclock 47599 290445 0 0 3 0x40014200 idle0 1 139316 0 0 3 0x80082 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 11068 12171K 12585K 166960K 13386 0 pcb 17 16K 24K 166960K 329 0 rtable 212 8K 9K 166960K 435 0 pf 35 13K 20K 166960K 96 0 ifaddr 37 6K 8K 166960K 75 0 ifgroup 58 2K 2K 166960K 115 0 sysctl 3 1K 9K 166960K 10 0 counters 35 18K 18K 166960K 65 0 ioctlops 0 0K 8K 166960K 170 0 iov 0 0K 16K 166960K 83 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1374 86K 87K 166960K 1912 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 22 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 573 0 sigio 0 0K 0K 166960K 39 0 proc 52 50K 116K 166960K 520 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 56 0 in_multi 73 5K 7K 166960K 119 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 211 943K 943K 166960K 211 0 exec 0 0K 1K 166960K 402 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 228 155K 181K 166960K 6931 0 UVM aobj 19 6K 8K 166960K 22 0 pinsyscall 37 74K 95K 166960K 1656 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 20 0 NDP 13 0K 2K 166960K 50 0 temp 53 8666K 8744K 166960K 30723 0 kqueue 16 22K 28K 166960K 110 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 120 232 0 228 5 2 3 3 0 8 2 rtentry 136 122 0 36 4 0 4 4 0 8 0 unpcb 144 577 0 560 6 2 4 4 0 8 3 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 2 0 2 2 1 1 1 0 8 1 tcpcb 736 180 0 173 7 3 4 4 0 8 3 arp 96 18 0 4 1 0 1 1 0 8 0 inpcb 328 574 0 564 14 10 4 12 0 8 2 ip6q 72 5 0 2 1 0 1 1 0 8 0 ip6af 40 8 0 5 1 0 1 1 0 8 0 nd6 112 28 0 11 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 3 0 3 1 0 1 1 0 8 1 ppxss 1072 24 0 24 1 0 1 1 0 8 1 pppxif 1384 4 0 4 1 0 1 1 0 8 1 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 4 0 2 1 0 1 1 0 8 0 pfstate 384 2 0 1 1 0 1 1 0 8 0 pfrule 1344 5 0 5 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 500 0 150 29 0 29 29 0 8 3 art_table 40 501 0 150 5 0 5 5 0 8 0 art_node 32 122 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 3 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 18 0 10 1 0 1 1 0 8 0 shmpl 112 16 0 2 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2438 0 939 95 0 95 95 0 8 0 ffsino 256 2438 0 939 95 0 95 95 0 8 0 nchpl 144 3242 0 1552 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 vnodes 216 2788 0 0 155 0 155 155 0 8 0 namei 1024 10855 0 10855 2 1 1 1 0 8 1 vcpupl 3904 2 0 0 1 0 1 1 0 8 0 vmpool 808 3 0 1 1 0 1 1 0 8 0 kstatmem 264 66 0 40 3 0 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 11740 0 11740 10 2 8 8 1 8 8 plimitpl 152 191 0 175 1 0 1 1 0 8 0 sigapl 424 886 0 841 9 1 8 8 0 8 1 knotepl 120 21016 0 20965 23 7 16 16 0 8 14 kqueuepl 184 158 0 147 1 0 1 1 0 8 0 pipepl 304 241 0 214 5 0 5 5 0 8 2 fdescpl 448 850 0 821 5 1 4 5 0 8 0 filepl 120 5277 0 5063 17 6 11 15 0 8 3 lockfpl 104 195 0 193 1 0 1 1 0 8 0 lockfspl 48 74 0 72 1 0 1 1 0 8 0 sessionpl 144 24 0 17 1 0 1 1 0 8 0 pgrppl 48 37 0 22 1 0 1 1 0 8 0 ucredpl 104 920 0 907 1 0 1 1 0 8 0 zombiepl 144 1040 0 1037 1 0 1 1 0 8 0 processpl 1152 886 0 841 5 0 5 5 0 8 0 procpl 664 1638 0 1583 7 0 7 7 0 8 1 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 552 1463 0 1432 23 12 11 14 0 8 8 mcl64k 65536 24 0 24 2 1 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 1 0 1 0 8 0 mcl8k 8192 73 0 73 2 1 1 1 0 8 1 mcl4k 4096 3048 0 2993 15 7 8 15 0 8 0 mcl2k 2048 960 0 954 2 0 2 2 0 8 0 mtagpl 96 73 0 15 2 0 2 2 0 8 0 mbufpl 256 12083 0 11849 168 138 30 110 0 8 8 bufpl 280 4072 0 119 283 0 283 283 0 8 0 anonpl 24 130841 0 124846 67 22 45 45 0 187 8 amapchunkpl 152 22014 0 21542 40 6 34 34 0 158 10 amappl16 200 2228 0 2016 23 11 12 14 0 8 0 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 176 404 0 403 1 0 1 1 0 8 0 amappl12 168 1194 0 1158 2 0 2 2 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 39 0 29 1 0 1 1 0 8 0 amappl9 144 257 0 257 1 1 0 1 0 8 0 amappl8 136 18 0 17 1 0 1 1 0 8 0 amappl7 128 77 0 76 1 0 1 1 0 8 0 amappl6 120 269 0 258 1 0 1 1 0 8 0 amappl5 112 107 0 99 1 0 1 1 0 8 0 amappl4 104 381 0 358 1 0 1 1 0 8 0 amappl3 96 4237 0 4133 3 0 3 3 0 8 0 amappl2 88 548 0 496 2 0 2 2 0 8 0 amappl1 80 10993 0 10477 13 0 13 13 0 8 1 amappl 88 6162 0 5999 5 0 5 5 0 92 0 uvmvnodes 80 110 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 128 253 0 253 1 1 0 1 0 8 0 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 21 0 3 1 0 1 1 0 8 0 uaddrrnd 24 850 0 821 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 850 0 821 1 0 1 1 0 8 0 vmmpekpl 168 8839 0 8806 2 0 2 2 0 8 0 vmmpepl 168 60082 0 58149 97 10 87 90 0 357 0 vmsppl 368 849 0 821 4 1 3 4 0 8 0 rwobjpl 40 18304 0 17187 12 0 12 12 0 8 0 pdppl 4096 1712 0 1646 99 31 68 82 0 8 2 pvpl 32 368151 0 355912 148 39 109 113 0 265 4 pmappl 216 852 0 822 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 536 0 187 13 0 13 13 0 8 0 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(ffff80002a72d4c0) 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(ffff80002a72d4c0) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3