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(ffff80002a72cf90) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a763d00 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff83805ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72cf00 r8 0xffffffffffffffff r9 0 r10 0x83b178e7588f1b99 r11 0x6bf48a2ebb40b6a r12 0xdeafbeaddeafbead r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeafbeaddeafbf8d r15 0 rip 0xffffffff820e7b7e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a763cd0 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=325324 pid=90250 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=0xffff8000ffffd680 user=0xffff80002a75e000, vmspace=0xffffffff8399d678 estcpu=0, cpticks=8, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 88753 328216 0 0 3 0x14280 nfsidl nfsio 91851 470835 13063 0 2 0 syz-executor 91851 83205 13063 0 2 0x4000000 syz-executor 91851 269789 13063 0 3 0x4000080 fsleep syz-executor 15351 67172 71530 0 2 0 syz-executor 15351 446312 71530 0 3 0x4000080 fsleep syz-executor 15351 188168 71530 0 3 0x4000080 fsleep syz-executor 15351 433258 71530 0 3 0x4000080 fsleep syz-executor 10110 515376 5888 0 2 0 syz-executor 10110 38859 5888 0 3 0x4000080 ttyretype syz-executor 10110 478236 5888 0 2 0x4000000 syz-executor 90301 178166 98155 0 2 0 syz-executor 90301 107593 98155 0 3 0x4000080 fsleep syz-executor 10328 277323 52855 0 2 0 syz-executor 10328 481177 52855 0 3 0x4000080 fsleep syz-executor 10328 426286 52855 0 3 0x4000080 fsleep syz-executor 70340 253167 12084 0 2 0 syz-executor 70340 99518 12084 0 2 0x4000000 syz-executor 70340 446689 12084 0 3 0x4000000 inode syz-executor 70340 78485 12084 0 3 0x4000080 fsleep syz-executor 71530 390053 39001 0 3 0x82 nanoslp syz-executor 28216 189619 2289 0 2 0 syz-executor 28216 214264 2289 0 2 0x4000000 syz-executor 28216 346993 2289 0 3 0x4000080 fsleep syz-executor 52855 413419 39001 0 3 0x82 nanoslp syz-executor 2289 78938 39001 0 3 0x82 nanoslp syz-executor 9483 229961 39001 0 2 0x2 syz-executor 49093 110412 1 0 3 0x100083 ttyopn getty 12084 84543 39001 0 3 0x82 nanoslp syz-executor 21527 464668 0 0 3 0x14200 acct acct 5888 417955 39001 0 3 0x82 nanoslp syz-executor 13063 367065 39001 0 3 0x82 nanoslp syz-executor 98155 179385 39001 0 3 0x82 nanoslp syz-executor 39001 275307 55831 0 3 0x82 kqread syz-executor 55831 99063 57731 0 3 0x10008a sigsusp ksh 57731 321458 16571 0 3 0x98 kqread sshd-session 16571 142016 44247 0 3 0x92 kqread sshd-session 44247 266909 1 0 3 0x88 kqread sshd 42812 393283 10657 73 3 0x1100090 kqread syslogd 10657 135958 1 0 3 0x100082 sbwait syslogd 32720 39883 1 0 3 0x100080 kqread resolvd 43520 334753 67441 77 3 0x100092 kqread dhcpleased 3230 464701 67441 77 3 0x100092 kqread dhcpleased 67441 355318 1 0 3 0x80 kqread dhcpleased 44220 67687 0 0 3 0x14200 bored smr 92959 385863 0 0 2 0x14200 zerothread 64574 158342 0 0 3 0x14200 aiodoned aiodoned 13527 241060 0 0 3 0x14200 syncer update 93707 141515 0 0 3 0x14200 cleaner cleaner *90250 325324 0 0 7 0x14200 reaper 51513 159828 0 0 3 0x14200 pgdaemon pagedaemon 30442 426243 0 0 3 0x14200 bored viomb 48037 136466 0 0 3 0x40014200 acpi0 acpi0 37952 248706 0 0 3 0x14200 bored softnet0 21705 179472 0 0 3 0x14200 bored systqmp 47853 86645 0 0 3 0x14200 bored systq 93021 67210 0 0 3 0x40014200 tmoslp softclock 88235 400524 0 0 3 0x40014200 idle0 1 342054 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 11056 12293K 12647K 166960K 16157 0 pcb 21 17K 19K 166960K 362 0 rtable 216 10K 10K 166960K 785 0 pf 30 13K 14K 166960K 167 0 ifaddr 38 7K 8K 166960K 145 0 ifgroup 46 2K 2K 166960K 239 0 sysctl 4 1K 9K 166960K 16 0 counters 32 17K 18K 166960K 119 0 ioctlops 0 0K 4K 166960K 297 0 iov 0 0K 24K 166960K 219 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1504 95K 95K 166960K 3331 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 59 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 1778 0 sigio 0 0K 0K 166960K 29 0 proc 60 59K 108K 166960K 875 0 subproc 72 4K 4K 166960K 144 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 280 0 in_multi 78 5K 7K 166960K 250 0 ether_multi 1 0K 0K 166960K 23 0 mrt 2 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 852 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 233 151K 170K 166960K 17143 0 UVM aobj 139 23K 25K 166960K 145 0 pinsyscall 38 76K 95K 166960K 3071 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 84 0 NDP 10 0K 2K 166960K 100 0 temp 75 8676K 8927K 166960K 63135 0 kqueue 16 22K 30K 166960K 305 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 120 226 0 222 3 2 1 3 0 8 0 rtentry 136 242 0 158 4 0 4 4 0 8 0 unpcb 144 2090 0 2074 11 5 6 6 0 8 5 syncache 336 15 0 15 3 2 1 1 0 8 1 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 736 906 0 899 15 7 8 8 0 8 7 arp 96 38 0 21 1 0 1 1 0 8 0 ipq 40 15 0 7 1 0 1 1 0 8 0 ipqe 40 23 0 14 1 0 1 1 0 8 0 inpcb 328 2069 0 2053 22 15 7 16 0 8 5 ip6q 72 3 0 1 1 0 1 1 0 8 0 ip6af 40 4 0 2 1 0 1 1 0 8 0 nd6 112 57 0 38 1 0 1 1 0 8 0 pkpcb 40 16 0 16 3 2 1 1 0 8 1 kcovpl 48 16 0 8 1 0 1 1 0 8 0 ppxss 1072 56 0 56 2 1 1 1 0 8 1 pppxif 1384 10 0 10 2 1 1 1 0 8 1 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfstkey 128 3 0 3 1 1 0 1 0 8 0 pfstate 384 2 0 2 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 1068 0 692 40 11 29 31 0 8 3 art_table 40 1071 0 692 5 0 5 5 0 8 0 art_node 32 239 0 164 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 7 1 0 1 1 0 8 0 semapl 112 56 0 46 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 4580 0 3073 95 0 95 95 0 8 0 ffsino 256 4580 0 3073 95 0 95 95 0 8 0 nchpl 144 6922 0 5206 64 0 64 64 0 8 0 rtmask 32 15 0 15 2 1 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 25843 0 25842 2 1 1 2 0 8 0 vcpupl 3904 8 0 1 1 0 1 1 0 8 0 vmpool 808 9 0 2 1 0 1 1 0 8 0 kstatmem 264 136 0 116 2 0 2 2 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 6 0 6 3 2 1 1 0 8 1 scxspl 216 26784 0 26784 16 8 8 8 1 8 8 plimitpl 152 498 0 481 1 0 1 1 0 8 0 sigapl 424 2060 0 2016 8 2 6 8 0 8 0 knotepl 120 59568 0 59516 44 30 14 24 0 8 8 kqueuepl 184 676 0 666 6 5 1 4 0 8 0 pipepl 304 346 0 317 8 5 3 8 0 8 0 fdescpl 448 2019 0 1990 5 1 4 5 0 8 0 filepl 120 14971 0 14745 15 4 11 13 0 8 1 lockfpl 104 951 0 948 3 1 2 2 0 8 1 lockfspl 48 269 0 266 1 0 1 1 0 8 0 sessionpl 144 36 0 28 1 0 1 1 0 8 0 pgrppl 48 135 0 119 1 0 1 1 0 8 0 ucredpl 104 2308 0 2297 1 0 1 1 0 8 0 zombiepl 144 2258 0 2258 2 1 1 1 0 8 1 processpl 1152 2060 0 2016 5 0 5 5 0 8 0 procpl 664 4416 0 4357 8 1 7 8 0 8 0 sosppl 176 8 0 8 2 1 1 1 0 8 1 sockpl 552 4454 0 4418 29 18 11 15 0 8 8 mcl64k 65536 113 0 113 5 4 1 3 0 8 1 mcl16k 16384 9 0 9 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 57 0 57 3 2 1 1 0 8 1 mcl4k 4096 4547 0 4497 14 6 8 13 0 8 1 mcl2k2 2112 4 0 4 3 2 1 1 0 8 1 mcl2k 2048 3102 0 3095 14 12 2 11 0 8 0 mtagpl 96 117 0 36 2 0 2 2 0 8 0 mbufpl 256 23820 0 23565 85 65 20 73 0 8 2 bufpl 280 10874 0 4653 445 0 445 445 0 8 0 anonpl 24 296642 0 293008 80 35 45 59 0 187 10 amapchunkpl 152 59111 0 58624 60 24 36 36 0 158 15 amappl16 200 5420 0 5361 39 26 13 16 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 23 0 23 1 1 0 1 0 8 0 amappl13 176 602 0 601 1 0 1 1 0 8 0 amappl12 168 2423 0 2385 2 0 2 2 0 8 0 amappl11 160 11 0 11 1 1 0 1 0 8 0 amappl10 152 73 0 63 1 0 1 1 0 8 0 amappl9 144 238 0 238 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 113 0 112 1 0 1 1 0 8 0 amappl6 120 369 0 358 1 0 1 1 0 8 0 amappl5 112 103 0 95 1 0 1 1 0 8 0 amappl4 104 471 0 447 1 0 1 1 0 8 0 amappl3 96 10225 0 10131 3 0 3 3 0 8 0 amappl2 88 2148 0 2076 2 0 2 2 0 8 0 amappl1 80 17552 0 17014 14 1 13 13 0 8 0 amappl 88 15986 0 15821 6 1 5 5 0 92 0 uvmvnodes 80 150 0 0 4 0 4 4 0 8 0 dma4096 4096 2 0 2 2 2 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 128 255 0 255 2 1 1 1 0 8 1 dma64 64 8 0 8 3 2 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 72 144 0 6 3 0 3 3 0 8 0 uaddrrnd 24 2019 0 1990 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2019 0 1990 1 0 1 1 0 8 0 vmmpekpl 168 16269 0 16204 3 0 3 3 0 8 0 vmmpepl 168 131861 0 130036 109 17 92 94 0 357 5 vmsppl 368 2018 0 1990 4 1 3 4 0 8 0 rwobjpl 40 34969 0 33805 15 0 15 15 0 8 0 pdppl 4096 4062 0 3991 136 61 75 80 0 8 4 pvpl 32 875929 0 865893 173 57 116 137 0 265 19 pmappl 216 2027 0 1992 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 529 0 176 12 0 12 12 0 8 0 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(ffff80002a72cf90) 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(ffff80002a72cf90) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3