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 0xffff80002a7633f0 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff837e0ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72cf00 r8 0xffffffffffffffff r9 0 r10 0x8c44f921bed4c087 r11 0xcf5f932290c80277 r12 0xdeafbeaddeafbead r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeafbeaddeafbf8d r15 0 rip 0xffffffff82c1021e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a7633c0 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=168130 pid=34121 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=0xffff80002a72ccf8,0xffff80002a72da00 process=0xffff8000ffffc000 user=0xffff80002a75e000, vmspace=0xffffffff83880688 estcpu=0, cpticks=5, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 56744 344105 0 0 3 0x14280 nfsidl nfsio 52629 218564 58429 0 2 0 syz-executor 52629 89508 58429 0 3 0x4000080 fsleep syz-executor 52629 345382 58429 0 3 0x4000080 fsleep syz-executor 24976 191622 64996 0 2 0 syz-executor 24976 346625 64996 0 2 0x4000000 syz-executor 24976 471366 64996 0 3 0x4000080 sysctllk syz-executor 56859 18665 37584 0 2 0 syz-executor 56859 218958 37584 0 3 0x4000080 nanoslp syz-executor 56859 430413 37584 0 3 0x4000080 fsleep syz-executor 41086 494013 57951 0 2 0x1 syz-executor 41086 3376 57951 0 3 0x4000080 fsleep syz-executor 7182 385107 98580 0 2 0x1 syz-executor 7182 192926 98580 0 3 0x4000080 sbwait syz-executor 7182 231567 98580 0 3 0x4000080 fsleep syz-executor 7182 130256 98580 0 3 0x4000080 fsleep syz-executor 24121 483470 54059 60928 2 0x11 syz-executor 24121 493395 54059 60928 3 0x4000090 fsleep syz-executor 57951 212910 25311 0 3 0x82 nanoslp syz-executor 2014 311936 1 0 3 0x100083 ttyin getty 33290 264056 25311 0 3 0x82 wait syz-executor 98580 372749 25311 0 3 0x82 nanoslp syz-executor 54059 228774 25311 0 3 0x82 nanoslp syz-executor 46902 320866 25311 0 2 0x2 syz-executor 37584 320527 25311 0 3 0x82 nanoslp syz-executor 64996 87380 25311 0 3 0x82 nanoslp syz-executor 58429 318077 25311 0 3 0x82 nanoslp syz-executor 25311 167258 90518 0 3 0x82 kqread syz-executor 90518 162787 76583 0 3 0x10008a sigsusp ksh 76583 252016 6285 0 3 0x98 kqread sshd-session 6285 432930 31247 0 3 0x92 kqread sshd-session 31247 249342 1 0 3 0x88 kqread sshd 23466 342957 49802 73 3 0x1100090 kqread syslogd 49802 293177 1 0 3 0x100082 sbwait syslogd 72719 518958 1 0 3 0x100080 kqread resolvd 3436 334910 47139 77 3 0x100092 kqread dhcpleased 73570 333800 47139 77 3 0x100092 kqread dhcpleased 47139 372181 1 0 3 0x80 kqread dhcpleased 69435 347618 0 0 3 0x14200 bored smr 12623 374213 0 0 2 0x14200 zerothread 13464 44283 0 0 3 0x14200 aiodoned aiodoned 82210 523160 0 0 3 0x14200 syncer update 86673 235138 0 0 3 0x14200 cleaner cleaner *34121 168130 0 0 7 0x14200 reaper 91566 212463 0 0 3 0x14200 pgdaemon pagedaemon 92055 502970 0 0 3 0x14200 bored viomb 90545 250485 0 0 3 0x40014200 acpi0 acpi0 40153 11690 0 0 3 0x14200 bored softnet0 25162 147282 0 0 3 0x14200 bored systqmp 80639 309838 0 0 3 0x14200 bored systq 32760 444017 0 0 3 0x40014200 tmoslp softclock 61524 305734 0 0 3 0x40014200 idle0 1 252197 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 11044 12123K 14255K 166960K 15898 0 pcb 17 13K 14K 166960K 280 0 rtable 179 7K 8K 166960K 562 0 pf 28 12K 13K 166960K 100 0 ifaddr 32 5K 7K 166960K 94 0 ifgroup 46 2K 2K 166960K 140 0 sysctl 4 1K 9K 166960K 12 0 counters 32 17K 18K 166960K 75 0 ioctlops 0 0K 4K 166960K 398 0 iov 0 0K 24K 166960K 73 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1579 99K 100K 166960K 2868 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 24 2K 2K 166960K 52 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 1317 0 sigio 0 0K 0K 166960K 43 0 proc 60 59K 124K 166960K 707 0 subproc 72 4K 4K 166960K 91 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 116 0 in_multi 65 4K 7K 166960K 165 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 688 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 151K 178K 166960K 12881 0 UVM aobj 101 15K 15K 166960K 110 0 pinsyscall 38 76K 96K 166960K 2433 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 78 0 NDP 10 0K 2K 166960K 60 0 temp 79 8672K 8738K 166960K 38985 0 kqueue 18 25K 32K 166960K 274 0 SYN cache 2 8K 16K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 108 0 104 1 0 1 1 0 8 0 rtentry 136 169 0 101 4 0 4 4 0 8 0 unpcb 144 1100 0 1081 6 4 2 6 0 8 0 syncache 336 7 0 7 1 1 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 736 534 0 527 10 3 7 7 0 8 6 arp 96 29 0 18 1 0 1 1 0 8 0 ipq 40 5 0 3 1 0 1 1 0 8 0 ipqe 40 9 0 7 1 0 1 1 0 8 0 inpcb 328 1286 0 1273 15 8 7 10 0 8 5 ip6q 72 36 0 35 1 0 1 1 0 8 0 ip6af 40 73 0 72 1 0 1 1 0 8 0 nd6 112 36 0 21 1 0 1 1 0 8 0 pkpcb 40 13 0 13 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1072 30 0 30 2 1 1 1 0 8 1 pppxif 1384 6 0 6 1 1 0 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 733 0 413 30 7 23 30 0 8 2 art_table 40 736 0 413 5 0 5 5 0 8 0 art_node 32 168 0 108 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 46 0 24 1 0 1 1 0 8 0 shmpl 112 102 0 8 3 0 3 3 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 3750 0 2254 95 0 95 95 0 8 0 ffsino 256 3750 0 2254 95 0 95 95 0 8 0 nchpl 144 5533 0 3836 64 0 64 64 0 8 0 rtmask 32 4 0 4 2 1 1 1 0 8 1 vnodes 216 4875 0 0 271 0 271 271 0 8 0 namei 1024 19232 0 19232 2 1 1 2 0 8 1 vcpupl 3904 4 0 0 1 0 1 1 0 8 0 vmpool 808 5 0 1 1 0 1 1 0 8 0 kstatmem 264 80 0 60 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 7 0 7 2 1 1 1 0 8 1 scxspl 216 18534 0 18534 9 7 2 8 1 8 2 plimitpl 152 233 0 215 1 0 1 1 0 8 0 sigapl 424 1603 0 1560 8 2 6 8 0 8 0 knotepl 120 46829 0 46776 24 15 9 17 0 8 6 kqueuepl 184 521 0 510 4 3 1 4 0 8 0 pipepl 304 315 0 287 8 5 3 8 0 8 0 fdescpl 448 1565 0 1536 5 1 4 5 0 8 0 filepl 120 10353 0 10133 12 2 10 12 0 8 1 lockfpl 104 474 0 472 1 0 1 1 0 8 0 lockfspl 48 173 0 171 1 0 1 1 0 8 0 sessionpl 144 28 0 20 1 0 1 1 0 8 0 pgrppl 48 117 0 101 1 0 1 1 0 8 0 ucredpl 104 1602 0 1589 1 0 1 1 0 8 0 zombiepl 144 1668 0 1667 1 0 1 1 0 8 0 processpl 1152 1603 0 1560 5 1 4 5 0 8 0 procpl 664 3288 0 3234 7 1 6 7 0 8 1 sosppl 176 14 0 14 2 1 1 1 0 8 1 sockpl 552 2540 0 2504 16 8 8 12 0 8 3 mcl64k 65536 69 0 68 1 0 1 1 0 8 0 mcl16k 16384 5 0 5 1 1 0 1 0 8 0 mcl12k 12288 4 0 4 1 1 0 1 0 8 0 mcl9k 9216 2 0 2 1 1 0 1 0 8 0 mcl8k 8192 79 0 79 1 1 0 1 0 8 0 mcl4k 4096 4018 0 3965 14 6 8 14 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 2041 0 2039 3 1 2 2 0 8 1 mtagpl 96 58 0 38 1 0 1 1 0 8 0 mbufpl 256 19621 0 19462 24 8 16 21 0 8 3 bufpl 280 7188 0 967 445 0 445 445 0 8 0 anonpl 24 242838 0 239217 75 30 45 58 0 187 17 amapchunkpl 152 44639 0 44160 44 11 33 34 0 158 12 amappl16 200 4261 0 4203 28 24 4 16 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 25 0 25 1 1 0 1 0 8 0 amappl13 176 428 0 427 1 0 1 1 0 8 0 amappl12 168 1927 0 1889 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 61 0 48 1 0 1 1 0 8 0 amappl9 144 246 0 246 1 1 0 1 0 8 0 amappl8 136 28 0 27 1 0 1 1 0 8 0 amappl7 128 102 0 101 1 0 1 1 0 8 0 amappl6 120 368 0 357 1 0 1 1 0 8 0 amappl5 112 75 0 67 1 0 1 1 0 8 0 amappl4 104 405 0 378 1 0 1 1 0 8 0 amappl3 96 7732 0 7642 3 0 3 3 0 8 0 amappl2 88 1693 0 1621 2 0 2 2 0 8 0 amappl1 80 14287 0 13750 13 0 13 13 0 8 1 amappl 88 11880 0 11718 5 0 5 5 0 92 0 uvmvnodes 80 148 0 0 4 0 4 4 0 8 0 dma4096 4096 3 0 3 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 128 257 0 257 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 72 109 0 9 2 0 2 2 0 8 0 uaddrrnd 24 1565 0 1536 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1565 0 1536 1 0 1 1 0 8 0 vmmpekpl 168 13459 0 13423 3 0 3 3 0 8 0 vmmpepl 168 102966 0 101141 95 12 83 93 0 357 1 vmsppl 368 1564 0 1536 4 1 3 4 0 8 0 rwobjpl 40 27831 0 26703 14 0 14 14 0 8 0 pdppl 4096 3147 0 3078 114 43 71 83 0 8 2 pvpl 32 685319 0 675010 168 55 113 141 0 265 27 pmappl 216 1569 0 1537 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 411 0 76 11 0 11 11 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