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(deafbeaddeafbf8d) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d228) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a763130 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff83805ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72d200 r8 0xffffffffffffffff r9 0 r10 0x7baecee7d6493d19 r11 0xe26b75b2bcb3fab6 r12 0xdeafbeaddeafbead r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeafbeaddeafbf8d r15 0 rip 0xffffffff81ad58fe mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a763100 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=276891 pid=5026 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=0xffff8000ffffd680 user=0xffff80002a75e000, vmspace=0xffffffff838f0178 estcpu=0, cpticks=58, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 47733 320057 0 0 3 0x14280 nfsidl nfsio 29266 398470 0 0 3 0x14280 nfsidl nfsio 51583 227042 0 0 3 0x14280 nfsidl nfsio 37200 145900 29603 0 2 0 syz-executor 66585 495614 2705 0 3 0 vmmaplk syz-executor 66585 450292 2705 0 3 0x4000080 pipewr syz-executor 66585 314499 2705 0 2 0x4000000 syz-executor 86767 160789 10416 0 2 0 syz-executor 86767 192037 10416 0 2 0x4000000 syz-executor 18284 382712 38814 0 3 0x80 nanoslp syz-executor 18284 346368 38814 0 3 0x4000080 fsleep syz-executor 18284 23882 38814 0 3 0x4000080 fsleep syz-executor 18284 210203 38814 0 2 0x4000000 syz-executor 85764 221406 81635 60929 2 0x10 syz-executor 85764 99300 81635 60929 3 0x4000090 fsleep syz-executor 85764 496549 81635 60929 3 0x4000090 fsleep syz-executor 85764 54107 81635 60929 3 0x4000090 fsleep syz-executor 84823 376673 80864 0 3 0 vmmaplk syz-executor 84823 279176 80864 0 2 0x4000000 syz-executor 84823 47829 80864 0 2 0x4000000 syz-executor 38057 54866 41979 0 2 0 syz-executor 38057 455800 41979 0 2 0x4000000 syz-executor 38057 508826 41979 0 3 0x4000000 fdlock syz-executor 38057 298375 41979 0 2 0x4000000 syz-executor 5464 284528 39684 0 2 0x2 syz-executor 38814 116749 39684 0 3 0x82 nanoslp syz-executor 29603 479463 39684 0 3 0x82 nanoslp syz-executor 41979 408027 39684 0 3 0x82 nanoslp syz-executor 81635 114115 39684 0 3 0x82 nanoslp syz-executor 80864 384657 39684 0 3 0x82 nanoslp syz-executor 10416 283342 39684 0 3 0x82 nanoslp syz-executor 2705 517689 39684 0 3 0x82 nanoslp syz-executor 39684 117321 9904 0 3 0x82 kqread syz-executor 9904 115320 44700 0 3 0x10008a sigsusp ksh 44700 94914 70408 0 3 0x98 kqread sshd-session 70408 188331 8054 0 3 0x92 kqread sshd-session 38900 515183 1 0 3 0x100083 ttyin getty 8054 113679 1 0 3 0x88 kqread sshd 97868 275397 43600 73 3 0x1100090 kqread syslogd 43600 473958 1 0 3 0x100082 sbwait syslogd 3461 438662 1 0 3 0x100080 kqread resolvd 92926 44422 26285 77 3 0x100092 kqread dhcpleased 43546 310403 26285 77 3 0x100092 kqread dhcpleased 26285 163933 1 0 3 0x80 kqread dhcpleased 49676 13064 0 0 3 0x14200 bored smr 82893 307838 0 0 2 0x14200 zerothread 14466 259252 0 0 3 0x14200 aiodoned aiodoned 1545 54130 0 0 3 0x14200 syncer update 26517 204974 0 0 3 0x14200 cleaner cleaner * 5026 276891 0 0 7 0x14200 reaper 79155 353019 0 0 3 0x14200 pgdaemon pagedaemon 78601 56307 0 0 3 0x14200 bored viomb 11008 60762 0 0 3 0x40014200 acpi0 acpi0 64110 370044 0 0 3 0x14200 bored softnet0 96196 370039 0 0 3 0x14200 bored systqmp 59990 303423 0 0 3 0x14200 bored systq 53960 224091 0 0 3 0x40014200 tmoslp softclock 48304 150695 0 0 3 0x40014200 idle0 1 241352 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 11073 12127K 13156K 166960K 15100 0 pcb 18 15K 17K 166960K 523 0 rtable 235 13K 14K 166960K 897 0 pf 32 13K 15K 166960K 209 0 ifaddr 34 6K 8K 166960K 170 0 ifgroup 54 2K 2K 166960K 289 0 sysctl 4 1K 9K 166960K 29 0 counters 34 17K 18K 166960K 150 0 ioctlops 0 0K 4K 166960K 520 0 iov 0 0K 28K 166960K 117 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1519 95K 96K 166960K 3855 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 10K 166960K 46 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 110 0 dirhash 12 2K 2K 166960K 48 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 2524 0 sigio 0 0K 0K 166960K 46 0 proc 60 59K 124K 166960K 869 0 subproc 72 4K 4K 166960K 135 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 254 0 in_multi 71 5K 7K 166960K 251 0 ether_multi 1 0K 0K 166960K 17 0 mrt 2 0K 0K 166960K 21 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 764 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 238 160K 175K 166960K 25621 0 UVM aobj 117 9K 9K 166960K 125 0 pinsyscall 38 76K 96K 166960K 3784 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 117 0 NDP 12 0K 2K 166960K 118 0 temp 82 8672K 8768K 166960K 118770 0 kqueue 19 27K 32K 166960K 436 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 120 335 0 329 3 0 3 3 0 8 2 rtentry 136 262 0 184 4 0 4 4 0 8 0 unpcb 144 1683 0 1668 6 3 3 3 0 8 2 syncache 336 5 0 5 3 2 1 1 0 8 1 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 823 0 818 16 9 7 7 0 8 6 arp 96 38 0 24 1 0 1 1 0 8 0 ipq 40 11 0 10 1 0 1 1 0 8 0 ipqe 40 17 0 16 1 0 1 1 0 8 0 inpcb 328 2345 0 2332 24 17 7 15 0 8 5 ip6q 72 72 0 72 2 1 1 1 0 8 1 ip6af 40 141 0 141 2 1 1 1 0 8 1 nd6 112 56 0 36 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 2 1 1 0 8 1 kcovpl 48 15 0 7 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1072 83 0 83 3 2 1 1 0 8 1 pppxif 1384 18 0 18 2 1 1 1 0 8 1 rttmr 136 8 0 8 1 0 1 1 0 8 1 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 1248 0 881 40 6 34 34 0 8 4 art_table 40 1253 0 881 6 0 6 6 0 8 0 art_node 32 254 0 184 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 5 2 1 1 1 0 8 0 semupl 112 4 0 4 1 0 1 1 0 8 1 semapl 112 103 0 93 1 0 1 1 0 8 0 shmpl 112 119 0 8 4 0 4 4 0 8 0 dirhash 1024 41 0 24 3 0 3 3 0 8 0 dino2pl 256 6049 0 4544 95 0 95 95 0 8 0 ffsino 256 6049 0 4544 95 0 95 95 0 8 0 nchpl 144 9499 0 7792 64 0 64 64 0 8 0 rtmask 32 18 0 18 3 2 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 33983 0 33982 5 4 1 2 0 8 0 vcpupl 3904 3 0 0 1 0 1 1 0 8 0 vmpool 808 3 0 0 1 0 1 1 0 8 0 kstatmem 264 174 0 150 4 1 3 3 0 8 1 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 9 0 9 2 1 1 1 0 8 1 scxspl 216 29952 0 29952 12 9 3 8 1 8 3 plimitpl 152 741 0 725 1 0 1 1 0 8 0 sigapl 424 2828 0 2783 9 1 8 8 0 8 2 knotepl 120 371159 0 371097 52 41 11 22 0 8 6 kqueuepl 184 1027 0 1014 14 7 7 7 0 8 6 pipepl 304 554 0 526 10 5 5 8 0 8 2 fdescpl 448 2786 0 2757 5 1 4 5 0 8 0 filepl 120 18834 0 18613 25 13 12 18 0 8 2 lockfpl 104 1043 0 1041 2 0 2 2 0 8 1 lockfspl 48 359 0 357 1 0 1 1 0 8 0 sessionpl 144 28 0 20 1 0 1 1 0 8 0 pgrppl 48 138 0 122 1 0 1 1 0 8 0 ucredpl 104 3417 0 3404 1 0 1 1 0 8 0 zombiepl 144 4598 0 4598 2 1 1 1 0 8 1 processpl 1152 2828 0 2783 5 0 5 5 0 8 0 procpl 664 7272 0 7213 9 2 7 7 0 8 1 sosppl 176 15 0 15 2 1 1 1 0 8 1 sockpl 552 4532 0 4498 26 16 10 17 0 8 7 mcl64k 65536 181 0 181 4 3 1 1 0 8 1 mcl16k 16384 5 0 5 2 1 1 1 0 8 1 mcl12k 12288 2 0 2 2 1 1 1 0 8 1 mcl9k 9216 3 0 3 1 0 1 1 0 8 1 mcl8k 8192 45 0 45 4 3 1 1 0 8 1 mcl4k 4096 6079 0 6024 15 7 8 14 0 8 0 mcl2k 2048 3945 0 3942 13 4 9 9 0 8 8 mtagpl 96 67 0 66 2 0 2 2 0 8 1 mbufpl 256 33521 0 33368 84 58 26 78 0 8 8 bufpl 280 9392 0 3171 445 0 445 445 0 8 0 anonpl 24 371468 0 363060 83 7 76 76 0 187 1 amapchunkpl 152 87810 0 87245 55 24 31 38 0 158 7 amappl16 200 4862 0 4592 29 2 27 27 0 8 0 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 11 0 11 3 2 1 1 0 8 1 amappl13 176 491 0 490 1 0 1 1 0 8 0 amappl12 168 3310 0 3272 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 54 0 44 1 0 1 1 0 8 0 amappl9 144 252 0 252 2 2 0 1 0 8 0 amappl8 136 113 0 111 1 0 1 1 0 8 0 amappl7 128 114 0 112 1 0 1 1 0 8 0 amappl6 120 341 0 329 1 0 1 1 0 8 0 amappl5 112 69 0 60 1 0 1 1 0 8 0 amappl4 104 451 0 425 1 0 1 1 0 8 0 amappl3 96 15656 0 15569 3 0 3 3 0 8 0 amappl2 88 2882 0 2808 2 0 2 2 0 8 0 amappl1 80 18820 0 18289 14 2 12 13 0 8 0 amappl 88 24406 0 24237 5 0 5 5 0 92 0 uvmvnodes 80 172 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 1 0 1 1 0 1 1 0 8 1 dma8192 8192 1 0 1 1 0 1 1 0 8 1 dma4096 4096 2 0 2 2 1 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 255 0 255 2 1 1 1 0 8 1 dma64 64 9 0 9 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 72 124 0 8 3 0 3 3 0 8 0 uaddrrnd 24 2786 0 2757 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2786 0 2757 1 0 1 1 0 8 0 vmmpekpl 168 22916 0 22858 4 1 3 3 0 8 0 vmmpepl 168 176920 0 174889 107 6 101 101 0 357 4 vmsppl 368 2785 0 2757 4 1 3 4 0 8 0 rwobjpl 40 43778 0 42399 18 1 17 17 0 8 2 pdppl 4096 5585 0 5517 154 84 70 83 0 8 2 pvpl 32 1125002 0 1111111 189 31 158 158 0 265 15 pmappl 216 2788 0 2757 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 557 0 187 12 0 12 12 0 8 1 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(deafbeaddeafbf8d) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d228) 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(deafbeaddeafbf8d) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deafbeaddeafbead,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d228) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3