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(ffff80002a72c7c8) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a763a00 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff837e6ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72c700 r8 0xffffffffffffffff r9 0 r10 0xe5e0dba0ffb93d0a r11 0xb1de2f55ddf620ab r12 0xdeafbeaddeafbead r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeafbeaddeafbf8d r15 0 rip 0xffffffff816338de mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a7639d0 ss 0 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=272743 pid=48024 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=0xffff80002a72c530,0xffff80002a72ca70 process=0xffff8000ffffdf80 user=0xffff80002a75e000, vmspace=0xffffffff839b3c08 estcpu=0, cpticks=8, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 69760 5556 0 0 3 0x14280 nfsidl nfsio 5331 96852 0 0 3 0x14280 nfsidl nfsio 40420 110278 85308 0 2 0 syz-executor 40420 242201 85308 0 2 0x4000000 syz-executor 61555 178344 88759 0 2 0 syz-executor 61555 473379 88759 0 2 0x4000000 syz-executor 61555 87060 88759 0 3 0x4000080 fsleep syz-executor 61555 263072 88759 0 3 0x4000080 fsleep syz-executor 6252 275429 88166 0 2 0 syz-executor 6252 68050 88166 0 2 0x4000000 syz-executor 6252 132653 88166 0 3 0x4000080 sysctllk syz-executor 6252 144965 88166 0 3 0x4000080 fsleep syz-executor 55735 94794 30333 0 3 0x80 nanoslp syz-executor 55735 131963 30333 0 3 0x4000080 ttyout syz-executor 55735 172109 30333 0 3 0x4000080 fsleep syz-executor 38401 422687 47379 0 2 0x10 syz-executor 38401 210553 47379 0 3 0x4000090 kqread syz-executor 38401 488790 47379 0 3 0x4000090 fsleep syz-executor 38401 386200 47379 0 3 0x4000090 fsleep syz-executor 38401 173261 47379 0 2 0x4000010 syz-executor 41830 287006 6316 60929 3 0x90 nanoslp syz-executor 41830 494963 6316 60929 3 0x4000090 msgwait syz-executor 41830 21647 6316 60929 3 0x4000090 fsleep syz-executor 41830 71818 6316 60929 3 0x4000090 fsleep syz-executor 47379 61909 1998 0 3 0x82 nanoslp syz-executor 59852 477565 0 0 3 0x14200 acct acct 61503 28802 1 0 3 0x100083 ttyopn getty 88166 277103 1998 0 3 0x82 nanoslp syz-executor 6316 515988 1998 0 3 0x82 nanoslp syz-executor 85308 117491 1998 0 2 0xc82 syz-executor 58871 452031 1998 0 2 0x2 syz-executor 88759 497390 1998 0 3 0x82 nanoslp syz-executor 30333 292281 1998 0 3 0x82 nanoslp syz-executor 1998 431834 44941 0 2 0x2 syz-executor 44941 515833 76927 0 3 0x10008a sigsusp ksh 76927 31938 80435 0 3 0x98 kqread sshd-session 80435 78216 39484 0 3 0x92 kqread sshd-session 39484 23333 1 0 3 0x88 kqread sshd 96786 444697 91612 73 3 0x1100090 kqread syslogd 91612 28072 1 0 3 0x100082 sbwait syslogd 71820 318856 1 0 3 0x100080 kqread resolvd 40663 179170 62284 77 3 0x100092 kqread dhcpleased 71921 61131 62284 77 3 0x100092 kqread dhcpleased 62284 424311 1 0 3 0x80 kqread dhcpleased 65297 254775 0 0 3 0x14200 bored smr 83021 249480 0 0 2 0x14200 zerothread 34935 219923 0 0 3 0x14200 aiodoned aiodoned 58680 162966 0 0 3 0x14200 syncer update 61454 242540 0 0 3 0x14200 cleaner cleaner *48024 272743 0 0 7 0x14200 reaper 61685 333550 0 0 3 0x14200 pgdaemon pagedaemon 17181 23186 0 0 3 0x14200 bored viomb 98591 31379 0 0 3 0x40014200 acpi0 acpi0 1046 431596 0 0 2 0x14200 softnet0 78398 231700 0 0 3 0x14200 bored systqmp 95541 107088 0 0 3 0x14200 bored systq 39695 59862 0 0 3 0x40014200 tmoslp softclock 31537 369094 0 0 3 0x40014200 idle0 1 286557 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 11036 12181K 13842K 166960K 14002 0 pcb 18 15K 17K 166960K 260 0 rtable 207 7K 8K 166960K 613 0 pf 30 13K 16K 166960K 391 0 ifaddr 35 6K 7K 166960K 66 0 ifgroup 47 2K 2K 166960K 88 0 sysctl 4 1K 9K 166960K 10 0 counters 33 17K 18K 166960K 52 0 ioctlops 0 0K 4K 166960K 217 0 iov 0 0K 16K 166960K 40 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1524 96K 96K 166960K 2253 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 33 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 54K 236K 166960K 802 0 sigio 0 0K 0K 166960K 41 0 proc 60 59K 100K 166960K 572 0 subproc 63 3K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 69 0 in_multi 75 5K 7K 166960K 149 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 483 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 232 142K 160K 166960K 9194 0 UVM aobj 83 8K 9K 166960K 87 0 pinsyscall 37 74K 91K 166960K 1907 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 52 0 NDP 10 0K 2K 166960K 43 0 temp 53 8665K 8731K 166960K 35810 0 kqueue 18 28K 28K 166960K 155 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 120 187 0 183 3 0 3 3 0 8 2 rtentry 136 139 0 52 4 0 4 4 0 8 0 unpcb 144 609 0 590 8 5 3 6 0 8 2 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 213 0 207 8 6 2 7 0 8 1 arp 96 20 0 6 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 328 775 0 765 13 6 7 7 0 8 5 ip6q 72 4 0 1 1 0 1 1 0 8 0 ip6af 40 5 0 3 1 0 1 1 0 8 0 nd6 112 33 0 9 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 1 1 1 0 8 1 kcovpl 48 9 0 2 1 0 1 1 0 8 0 ppxss 1072 16 0 15 1 0 1 1 0 8 0 pppxif 1384 1 0 0 1 0 1 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstkey 128 1 0 1 1 1 0 1 0 8 0 pfstate 384 1 0 1 1 1 0 1 0 8 0 pfrule 1344 68 0 68 1 1 0 1 0 8 0 rttmr 136 3 0 3 2 1 1 1 0 8 1 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 633 0 290 29 3 26 29 0 8 4 art_table 40 637 0 290 5 0 5 5 0 8 0 art_node 32 139 0 60 1 0 1 1 0 8 0 semapl 112 29 0 19 1 0 1 1 0 8 0 shmpl 112 82 0 3 3 0 3 3 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 2839 0 1341 95 0 95 95 0 8 0 ffsino 256 2839 0 1341 95 0 95 95 0 8 0 nchpl 144 3913 0 2217 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 3557 0 0 198 0 198 198 0 8 0 namei 1024 13209 0 13208 2 1 1 2 0 8 0 vcpupl 3904 1 0 0 1 0 1 1 0 8 0 vmpool 808 2 0 1 1 0 1 1 0 8 0 kstatmem 264 50 0 30 2 0 2 2 0 8 0 scsiplug 72 4 0 4 2 1 1 1 0 8 1 scxspl 216 14780 0 14780 9 1 8 8 1 8 8 plimitpl 152 234 0 217 1 0 1 1 0 8 0 sigapl 424 1084 0 1040 7 1 6 6 0 8 1 knotepl 120 28220 0 28166 23 13 10 15 0 8 6 kqueuepl 184 254 0 241 3 2 1 3 0 8 0 pipepl 304 166 0 136 3 0 3 3 0 8 0 fdescpl 448 1066 0 1038 5 1 4 5 0 8 0 filepl 120 6596 0 6377 15 3 12 12 0 8 4 lockfpl 104 335 0 331 1 0 1 1 0 8 0 lockfspl 48 137 0 133 1 0 1 1 0 8 0 sessionpl 144 25 0 17 1 0 1 1 0 8 0 pgrppl 48 37 0 22 1 0 1 1 0 8 0 ucredpl 104 770 0 757 1 0 1 1 0 8 0 zombiepl 144 1382 0 1382 1 0 1 1 0 8 1 processpl 1152 1084 0 1040 4 0 4 4 0 8 0 procpl 664 2216 0 2156 6 0 6 6 0 8 0 sosppl 176 5 0 5 1 0 1 1 0 8 1 sockpl 552 1590 0 1557 17 9 8 12 0 8 5 mcl64k 65536 32 0 32 2 1 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 79 0 79 2 1 1 1 0 8 1 mcl4k 4096 3323 0 3271 17 9 8 16 0 8 1 mcl2k2 2112 2 0 2 1 0 1 1 0 8 1 mcl2k 2048 1489 0 1486 5 0 5 5 0 8 4 mtagpl 96 49 0 8 1 0 1 1 0 8 0 mbufpl 256 18147 0 17902 426 403 23 424 0 8 6 bufpl 280 5059 0 122 353 0 353 353 0 8 0 anonpl 24 142137 0 138576 76 22 54 54 0 187 25 amapchunkpl 152 28557 0 28066 34 5 29 29 0 158 7 amappl16 200 1983 0 1925 36 24 12 20 0 8 8 amappl15 192 15 0 15 1 1 0 1 0 8 0 amappl14 184 2 0 2 1 1 0 1 0 8 0 amappl13 176 415 0 414 1 0 1 1 0 8 0 amappl12 168 1415 0 1379 2 0 2 2 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 40 0 30 1 0 1 1 0 8 0 amappl9 144 246 0 246 1 1 0 1 0 8 0 amappl8 136 42 0 41 1 0 1 1 0 8 0 amappl7 128 78 0 77 1 0 1 1 0 8 0 amappl6 120 273 0 260 1 0 1 1 0 8 0 amappl5 112 66 0 58 1 0 1 1 0 8 0 amappl4 104 391 0 366 1 0 1 1 0 8 0 amappl3 96 5132 0 5039 3 0 3 3 0 8 0 amappl2 88 1188 0 1119 2 0 2 2 0 8 0 amappl1 80 11997 0 11466 13 0 13 13 0 8 0 amappl 88 8344 0 8180 6 1 5 5 0 92 0 uvmvnodes 80 117 0 0 3 0 3 3 0 8 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 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 128 255 0 255 2 1 1 1 0 8 1 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 86 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1066 0 1038 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1066 0 1038 1 0 1 1 0 8 0 vmmpekpl 168 10241 0 10206 2 0 2 2 0 8 0 vmmpepl 168 72488 0 70703 105 11 94 94 0 357 11 vmsppl 368 1065 0 1038 4 1 3 4 0 8 0 rwobjpl 40 20887 0 19814 16 1 15 15 0 8 1 pdppl 4096 2143 0 2079 100 32 68 79 0 8 4 pvpl 32 440755 0 431976 146 23 123 123 0 265 34 pmappl 216 1067 0 1039 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 805 0 461 22 0 22 22 0 8 6 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(ffff80002a72c7c8) 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(ffff80002a72c7c8) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3