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(dead4110dead41f0) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(dead4110dead4110,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d228) at reaper+0x29c sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a763410 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff83851ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72d200 r8 0xffffffffffffffff r9 0 r10 0x913e96ffd1032d1 r11 0x53154a6d81680fc9 r12 0xdead4110dead4110 r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdead4110dead41f0 r15 0 rip 0xffffffff81c3d14e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a7633e0 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%rax ddb> show proc PROC (reaper) tid=359178 pid=2719 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=0xffff80002a72cf90,0xffff80002a72d768 process=0xffff8000ffffdf80 user=0xffff80002a75e000, vmspace=0xffffffff83948a88 estcpu=0, cpticks=14, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 31045 101901 0 0 3 0x14280 nfsidl nfsio 42260 262725 46031 0 2 0 syz-executor 42260 101809 46031 0 2 0x4000000 syz-executor 1527 437861 17759 0 2 0 syz-executor 1527 71367 17759 0 2 0x4000000 syz-executor 1527 127575 17759 0 3 0x4000080 sysctllk syz-executor 80165 322179 32847 60929 2 0x10 syz-executor 80165 520374 32847 60929 3 0x4000090 fsleep syz-executor 32847 478584 15426 0 3 0x82 nanoslp syz-executor 46031 137895 15426 0 3 0x82 nanoslp syz-executor 50757 436196 15426 0 2 0x2 syz-executor 47542 217075 15426 0 3 0x82 piperd syz-executor 14311 147737 15426 0 3 0x82 piperd syz-executor 73367 396705 1 0 3 0x100083 ttyopn getty 17759 207590 15426 0 3 0x82 nanoslp syz-executor 43502 169524 15426 0 3 0x82 piperd syz-executor 15426 317265 8137 0 2 0x2 syz-executor 8137 191830 67003 0 3 0x10008a sigsusp ksh 67003 474656 86708 0 3 0x98 kqread sshd-session 86708 37249 18965 0 3 0x92 kqread sshd-session 18965 204220 1 0 3 0x88 kqread sshd 69713 264448 30644 73 3 0x1100090 kqread syslogd 30644 215905 1 0 3 0x100082 sbwait syslogd 33226 127353 1 0 3 0x100080 kqread resolvd 52027 493145 96721 77 3 0x100092 kqread dhcpleased 30214 93824 96721 77 3 0x100092 kqread dhcpleased 96721 347380 1 0 3 0x80 kqread dhcpleased 65305 290422 0 0 3 0x14200 bored smr 70663 128149 0 0 2 0x14200 zerothread 88786 273221 0 0 3 0x14200 aiodoned aiodoned 87915 482155 0 0 3 0x14200 syncer update 60910 452815 0 0 3 0x14200 cleaner cleaner * 2719 359178 0 0 7 0x14200 reaper 27520 55813 0 0 3 0x14200 pgdaemon pagedaemon 18360 469720 0 0 3 0x14200 bored viomb 31892 333631 0 0 3 0x40014200 acpi0 acpi0 68316 166261 0 0 3 0x14200 bored softnet0 32436 242076 0 0 3 0x14200 bored systqmp 74580 471362 0 0 3 0x14200 bored systq 26100 428418 0 0 3 0x40014200 tmoslp softclock 87721 99130 0 0 3 0x40014200 idle0 1 129941 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 10208 11117K 11565K 166960K 16077 0 pcb 17 18K 23K 166960K 644 0 rtable 230 9K 10K 166960K 784 0 pf 32 13K 14K 166960K 174 0 ifaddr 38 7K 9K 166960K 151 0 ifgroup 50 2K 2K 166960K 233 0 sysctl 4 1K 9K 166960K 13 0 counters 33 17K 18K 166960K 178 0 ioctlops 0 0K 8K 166960K 790 0 iov 0 0K 16K 166960K 125 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1435 90K 90K 166960K 4150 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 27 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 212 0 dirhash 9 1K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 12 41K 240K 166960K 2152 0 sigio 0 0K 0K 166960K 31 0 proc 60 59K 100K 166960K 875 0 subproc 63 3K 5K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 405 0 in_multi 87 6K 7K 166960K 295 0 ether_multi 1 0K 0K 166960K 21 0 mrt 0 0K 0K 166960K 18 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 911 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 191 134K 169K 166960K 20752 0 UVM aobj 38 24K 24K 166960K 45 0 pinsyscall 33 66K 91K 166960K 3429 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 111 0 NDP 11 0K 2K 166960K 101 0 temp 77 8671K 8748K 166960K 106227 0 kqueue 17 24K 32K 166960K 392 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 120 274 0 270 2 0 2 2 0 8 1 rtentry 136 246 0 153 4 0 4 4 0 8 0 unpcb 144 1619 0 1604 9 3 6 6 0 8 5 syncache 336 8 0 8 2 1 1 1 0 8 1 tcpqe 32 9 0 9 1 0 1 1 0 8 1 tcpcb 736 755 0 751 10 3 7 7 0 8 6 arp 96 35 0 21 1 0 1 1 0 8 0 ipq 40 7 0 6 1 0 1 1 0 8 0 ipqe 40 10 0 7 1 0 1 1 0 8 0 inpcb 328 2458 0 2451 17 8 9 12 0 8 8 ip6q 72 5 0 3 1 0 1 1 0 8 0 ip6af 40 8 0 6 1 0 1 1 0 8 0 nd6 112 52 0 30 1 0 1 1 0 8 0 pkpcb 40 11 0 11 2 1 1 1 0 8 1 kcovpl 48 23 0 16 1 0 1 1 0 8 0 mppekey 1024 33 0 33 1 0 1 1 0 8 1 ppxss 1072 120 0 120 1 0 1 1 0 8 1 pppxif 1384 10 0 10 1 0 1 1 0 8 1 pfstscr 40 1 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 2 0 2 1 1 0 1 0 8 0 rttmr 136 5 0 5 1 1 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1151 0 736 37 7 30 30 0 8 3 art_table 40 1155 0 736 5 0 5 5 0 8 0 art_node 32 239 0 157 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 6 1 0 1 1 0 8 0 semupl 112 3 0 3 2 1 1 1 0 8 1 semapl 112 209 0 199 1 0 1 1 0 8 0 shmpl 112 26 0 2 1 0 1 1 0 8 0 dirhash 1024 29 0 22 3 0 3 3 0 8 1 dino2pl 256 5257 0 3741 95 0 95 95 0 8 0 ffsino 256 5257 0 3741 95 0 95 95 0 8 0 nchpl 144 8133 0 6415 64 0 64 64 0 8 0 rtmask 32 8 0 8 1 0 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 30720 0 30720 3 2 1 2 0 8 1 vcpupl 3904 11 0 0 2 0 2 2 0 8 0 vmpool 800 16 0 5 2 0 2 2 0 8 0 kstatmem 264 136 0 114 2 0 2 2 0 8 0 scsiplug 72 5 0 5 2 1 1 1 0 8 1 scxspl 216 32256 0 32256 15 7 8 8 1 8 8 plimitpl 152 773 0 758 1 0 1 1 0 8 0 sigapl 424 2391 0 2353 7 1 6 6 0 8 0 knotepl 120 291990 0 291938 29 19 10 16 0 8 7 kqueuepl 184 730 0 719 6 2 4 4 0 8 3 pipepl 304 488 0 459 5 0 5 5 0 8 2 fdescpl 448 2370 0 2346 5 1 4 5 0 8 0 filepl 120 18224 0 18026 16 2 14 14 0 8 4 lockfpl 104 804 0 802 2 0 2 2 0 8 1 lockfspl 48 339 0 337 1 0 1 1 0 8 0 sessionpl 144 40 0 32 1 0 1 1 0 8 0 pgrppl 48 185 0 170 1 0 1 1 0 8 0 ucredpl 104 3317 0 3305 1 0 1 1 0 8 0 zombiepl 144 3625 0 3625 1 0 1 1 0 8 1 processpl 1152 2391 0 2353 4 0 4 4 0 8 0 procpl 664 5825 0 5783 7 1 6 6 0 8 0 sosppl 176 6 0 6 1 0 1 1 0 8 1 sockpl 552 4470 0 4444 20 10 10 12 0 8 7 mcl64k 65536 240 0 240 2 1 1 1 0 8 1 mcl16k 16384 8 0 8 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 24 0 24 2 1 1 1 0 8 1 mcl4k 4096 5241 0 5185 15 7 8 14 0 8 0 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 3086 0 3078 5 2 3 3 0 8 1 mtagpl 96 178 0 99 3 0 3 3 0 8 0 mbufpl 256 26242 0 26011 78 55 23 77 0 8 4 bufpl 280 11717 0 5496 445 0 445 445 0 8 0 anonpl 24 354965 0 347590 94 12 82 82 0 187 17 amapchunkpl 152 73007 0 72598 48 12 36 36 0 158 10 amappl16 200 6733 0 6495 43 12 31 31 0 8 8 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 506 0 505 1 0 1 1 0 8 0 amappl12 168 2778 0 2745 2 0 2 2 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 46 0 36 1 0 1 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 124 0 123 1 0 1 1 0 8 0 amappl6 120 366 0 354 1 0 1 1 0 8 0 amappl5 112 84 0 77 1 0 1 1 0 8 0 amappl4 104 445 0 419 1 0 1 1 0 8 0 amappl3 96 12715 0 12652 3 0 3 3 0 8 0 amappl2 88 2490 0 2421 2 0 2 2 0 8 0 amappl1 80 18462 0 17950 14 1 13 13 0 8 1 amappl 88 19575 0 19451 5 0 5 5 0 92 0 uvmvnodes 80 147 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 7 0 7 2 1 1 1 0 8 1 dma128 128 256 0 256 2 1 1 1 0 8 1 dma64 64 8 0 8 2 1 1 1 0 8 1 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 44 0 7 1 0 1 1 0 8 0 uaddrrnd 24 2370 0 2346 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2370 0 2346 1 0 1 1 0 8 0 vmmpekpl 168 20949 0 20904 3 0 3 3 0 8 0 vmmpepl 168 156107 0 154363 108 5 103 103 0 357 8 vmsppl 368 2369 0 2346 4 1 3 4 0 8 0 rwobjpl 40 41217 0 40034 16 0 16 16 0 8 0 pdppl 4096 4779 0 4713 151 77 74 79 0 8 8 pvpl 32 1006147 0 993153 164 25 139 139 0 265 7 pmappl 216 2385 0 2351 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 517 0 160 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(dead4110dead41f0) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(dead4110dead4110,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d228) 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(dead4110dead41f0) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(dead4110dead4110,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d228) at reaper+0x29c sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3