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(deadbeefdeadbfcf) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(deadbeefdeadbeef,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 0xffff80002a762ee0 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0 rax 0xffff80002a72d200 r8 0xffffffffffffffff r9 0 r10 0x1553941b302d4a06 r11 0x23afbebc02e26ae6 r12 0xdeadbeefdeadbeef r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeadbeefdeadbfcf r15 0 rip 0xffffffff82983fbe mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a762eb0 ss 0 mtx_enter+0x6e: movq 0(%r14),%rax ddb> show proc PROC (reaper) tid=127463 pid=22037 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=0xffff80002a72ccf8,0xffff80002a72d4d0 process=0xffff8000ffffc900 user=0xffff80002a75e000, vmspace=0xffffffff83901d08 estcpu=0, cpticks=5, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 5395 404035 4033 0 2 0 syz-executor 5395 287733 4033 0 3 0x4000080 fsleep syz-executor 40118 505418 0 0 3 0x14280 nfsidl nfsio 46732 483331 3693 0 2 0x1 syz-executor 46732 112658 3693 0 3 0x4000080 fsleep syz-executor 91833 283398 62799 0 2 0 syz-executor 91833 135350 62799 0 3 0x4000080 fsleep syz-executor 3104 518815 29715 0 2 0 syz-executor 3104 215461 29715 0 3 0x4000080 fsleep syz-executor 63644 325257 92743 0 2 0 syz-executor 63644 259268 92743 0 3 0x4000080 fsleep syz-executor 50468 60896 98120 0 2 0 syz-executor 50468 101700 98120 0 2 0x4000000 syz-executor 50468 214537 98120 0 3 0x4000080 fsleep syz-executor 50468 135434 98120 0 3 0x4000080 fsleep syz-executor 5594 464570 0 0 3 0x14200 acct acct 29715 179789 32105 0 3 0x82 nanoslp syz-executor 92743 467792 32105 0 3 0x82 nanoslp syz-executor 62799 347852 32105 0 3 0x82 nanoslp syz-executor 4033 32135 32105 0 2 0x2 syz-executor 3693 212242 32105 0 3 0x82 nanoslp syz-executor 37145 445734 32105 0 2 0x2 syz-executor 26600 295691 32105 0 3 0x82 wait syz-executor 98120 83891 32105 0 3 0x82 nanoslp syz-executor 32105 400755 67781 0 3 0x82 kqread syz-executor 67781 55625 52848 0 3 0x10008a sigsusp ksh 52848 80395 52013 0 3 0x98 kqread sshd-session 52013 40237 51666 0 3 0x92 kqread sshd-session 55270 360139 1 0 3 0x100083 ttyopn getty 51666 316026 1 0 3 0x88 kqread sshd 44197 169286 36023 73 3 0x1100090 kqread syslogd 36023 442027 1 0 3 0x100082 sbwait syslogd 19475 90975 1 0 3 0x100080 kqread resolvd 16294 228390 97302 77 3 0x100092 kqread dhcpleased 19940 480005 97302 77 3 0x100092 kqread dhcpleased 97302 370156 1 0 3 0x80 kqread dhcpleased 42723 397466 0 0 3 0x14200 bored smr 59434 36854 0 0 2 0x14200 zerothread 33827 256499 0 0 3 0x14200 aiodoned aiodoned 75890 386005 0 0 3 0x14200 syncer update 85918 181113 0 0 3 0x14200 cleaner cleaner *22037 127463 0 0 7 0x14200 reaper 41806 319670 0 0 3 0x14200 pgdaemon pagedaemon 82365 114280 0 0 3 0x14200 bored viomb 66819 178632 0 0 3 0x40014200 acpi0 acpi0 19364 113842 0 0 3 0x14200 bored softnet0 43391 42916 0 0 3 0x14200 bored systqmp 46874 216802 0 0 3 0x14200 bored systq 39848 67122 0 0 3 0x40014200 tmoslp softclock 47343 170805 0 0 3 0x40014200 idle0 1 467003 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10215 11122K 12226K 166960K 12423 0 pcb 17 14K 16K 166960K 231 0 rtable 239 10K 10K 166960K 522 0 pf 32 13K 17K 166960K 241 0 ifaddr 41 7K 8K 166960K 73 0 ifgroup 54 2K 2K 166960K 101 0 sysctl 2 1K 9K 166960K 71 0 counters 34 17K 18K 166960K 59 0 ioctlops 0 0K 4K 166960K 202 0 iov 0 0K 16K 166960K 101 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1435 90K 90K 166960K 1924 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 25 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 228K 166960K 671 0 sigio 0 0K 0K 166960K 8 0 proc 60 59K 83K 166960K 578 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 55 0 in_multi 88 6K 7K 166960K 137 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 468 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 242 159K 172K 166960K 8022 0 UVM aobj 13 6K 6K 166960K 14 0 pinsyscall 38 76K 88K 166960K 1793 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 16 0 NDP 12 0K 2K 166960K 47 0 temp 77 8672K 8738K 166960K 28169 0 kqueue 15 22K 26K 166960K 106 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 86 0 83 1 0 1 1 0 8 0 rtentry 136 154 0 59 4 0 4 4 0 8 0 unpcb 144 365 0 345 3 0 3 3 0 8 2 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpqe 32 7 0 7 1 0 1 1 0 8 1 tcpcb 736 207 0 202 7 6 1 7 0 8 0 arp 96 25 0 8 1 0 1 1 0 8 0 ipq 40 3 0 1 1 0 1 1 0 8 0 ipqe 40 5 0 3 1 0 1 1 0 8 0 inpcb 328 601 0 592 13 6 7 7 0 8 5 ip6q 72 9 0 4 1 0 1 1 0 8 0 ip6af 40 15 0 10 1 0 1 1 0 8 0 nd6 112 33 0 10 1 0 1 1 0 8 0 pkpcb 40 8 0 8 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1072 19 0 19 1 0 1 1 0 8 1 pppxif 1384 2 0 2 1 0 1 1 0 8 1 pfrule 1344 35 0 35 1 0 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 661 0 243 32 1 31 31 0 8 2 art_table 40 663 0 243 5 0 5 5 0 8 0 art_node 32 153 0 69 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 2 1 1 1 0 8 1 semapl 112 23 0 13 1 0 1 1 0 8 0 shmpl 112 9 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2504 0 1002 95 0 95 95 0 8 0 ffsino 256 2504 0 1002 95 0 95 95 0 8 0 nchpl 144 3406 0 1709 64 0 64 64 0 8 0 rtmask 32 5 0 5 1 0 1 1 0 8 1 vnodes 216 2951 0 0 164 0 164 164 0 8 0 namei 1024 11198 0 11198 4 2 2 2 0 8 2 vcpupl 3904 2 0 0 1 0 1 1 0 8 0 vmpool 800 2 0 0 1 0 1 1 0 8 0 kstatmem 264 54 0 30 2 0 2 2 0 8 0 scsiplug 72 4 0 4 1 0 1 1 0 8 1 scxspl 216 11709 0 11709 9 1 8 8 1 8 8 plimitpl 152 138 0 122 1 0 1 1 0 8 0 sigapl 424 946 0 902 6 0 6 6 0 8 0 knotepl 120 128056 0 128004 22 12 10 16 0 8 6 kqueuepl 184 194 0 184 3 0 3 3 0 8 2 pipepl 304 268 0 241 8 0 8 8 0 8 5 fdescpl 448 931 0 902 4 0 4 4 0 8 0 filepl 120 5242 0 5020 15 2 13 13 0 8 4 lockfpl 104 155 0 153 1 0 1 1 0 8 0 lockfspl 48 70 0 68 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 40 0 24 1 0 1 1 0 8 0 ucredpl 104 722 0 710 1 0 1 1 0 8 0 zombiepl 144 1209 0 1208 1 0 1 1 0 8 0 processpl 1152 946 0 902 4 0 4 4 0 8 0 procpl 664 1821 0 1769 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 552 1073 0 1041 13 5 8 8 0 8 5 mcl64k 65536 103 0 103 2 1 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 1 0 1 1 1 0 1 0 8 0 mcl8k 8192 16 0 16 2 1 1 1 0 8 1 mcl4k 4096 3162 0 3111 15 7 8 14 0 8 1 mcl2k 2048 985 0 976 6 3 3 4 0 8 1 mtagpl 96 25 0 10 1 0 1 1 0 8 0 mbufpl 256 9872 0 9700 17 0 17 17 0 8 2 bufpl 280 4374 0 119 304 0 304 304 0 8 0 anonpl 24 164642 0 159055 69 10 59 59 0 187 12 amapchunkpl 152 25099 0 24541 33 6 27 27 0 158 1 amappl16 200 3153 0 3042 22 6 16 16 0 8 5 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 15 0 15 1 1 0 1 0 8 0 amappl13 176 434 0 433 1 0 1 1 0 8 0 amappl12 168 1292 0 1254 2 0 2 2 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 63 0 53 1 0 1 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 34 0 31 1 0 1 1 0 8 0 amappl7 128 86 0 85 1 0 1 1 0 8 0 amappl6 120 293 0 280 1 0 1 1 0 8 0 amappl5 112 73 0 65 1 0 1 1 0 8 0 amappl4 104 402 0 378 1 0 1 1 0 8 0 amappl3 96 4812 0 4706 4 0 4 4 0 8 1 amappl2 88 533 0 478 2 0 2 2 0 8 0 amappl1 80 11289 0 10756 13 0 13 13 0 8 1 amappl 88 7178 0 7005 6 1 5 5 0 92 0 uvmvnodes 80 106 0 0 3 0 3 3 0 8 0 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 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 13 0 1 1 0 1 1 0 8 0 uaddrrnd 24 931 0 902 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 931 0 902 1 0 1 1 0 8 0 vmmpekpl 168 9358 0 9312 3 0 3 3 0 8 0 vmmpepl 168 65992 0 64111 93 1 92 92 0 357 4 vmsppl 368 930 0 902 3 0 3 3 0 8 0 rwobjpl 40 20491 0 19443 13 0 13 13 0 8 0 pdppl 4096 1872 0 1806 98 30 68 72 0 8 2 pvpl 32 421991 0 410833 156 22 134 134 0 265 20 pmappl 216 932 0 902 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 394 0 55 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(deadbeefdeadbfcf) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(deadbeefdeadbeef,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(deadbeefdeadbfcf) at mtx_enter+0x6e sys/kern/kern_lock.c:335 prsignal(deadbeefdeadbeef,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