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(deaf4152deaf4232) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deaf4152deaf4152,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73cf90) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a773c50 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff8376fff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a73cf00 r8 0x78 r9 0 r10 0x88d66e87474ae751 r11 0xa4bda1fae8080b33 r12 0xdeaf4152deaf4152 r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdeaf4152deaf4232 r15 0 rip 0xffffffff818973ee mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a773c20 ss 0 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=263695 pid=44965 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=0xffff80002a73ccf8,0xffff80002a73d4d0 process=0xffff8000ffffc480 user=0xffff80002a76e000, vmspace=0xffffffff8385def8 estcpu=0, cpticks=29, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 56205 176526 0 0 3 0x14280 nfsidl nfsio 21663 198577 0 0 3 0x14280 nfsidl nfsio 48587 270793 0 0 3 0x14280 nfsidl nfsio 82961 472368 0 0 3 0x14280 nfsidl nfsio 74176 328724 99426 0 2 0 syz-executor 74176 189150 99426 0 3 0x4000080 fsleep syz-executor 43184 276661 14985 -1 2 0x10 syz-executor 43184 385717 14985 -1 3 0x4000090 fsleep syz-executor 43184 436924 14985 -1 2 0x4000010 syz-executor 31612 300879 45451 0 2 0 syz-executor 49855 496081 67288 0 2 0 syz-executor 49855 440987 67288 0 3 0x4000080 fsleep syz-executor 49855 46739 67288 0 2 0x4000000 syz-executor 48121 412458 30615 -1 3 0x10 vmmaplk syz-executor 48121 91192 30615 -1 3 0x4000090 fsleep syz-executor 48121 433961 30615 -1 3 0x4000090 fsleep syz-executor 48121 122729 30615 -1 2 0x4000010 syz-executor 83269 26938 69025 0 2 0x3000 syz-executor 3927 470316 1 0 3 0x100083 ttyin getty 14985 368141 32897 0 3 0x82 nanoslp syz-executor 29118 133279 32897 0 2 0x2 syz-executor 45451 223881 32897 0 3 0x82 nanoslp syz-executor 67288 231607 32897 0 2 0x3 syz-executor 69025 286000 32897 0 3 0x82 nanoslp syz-executor 49395 53558 32897 0 2 0x2 syz-executor 99426 32785 32897 0 3 0x82 nanoslp syz-executor 30615 97894 32897 0 2 0x3 syz-executor 32897 131796 59053 0 3 0x82 kqread syz-executor 59053 83827 99276 0 3 0x10008a sigsusp ksh 99276 31441 42206 0 3 0x98 kqread sshd-session 42206 310249 38690 0 3 0x92 kqread sshd-session 38690 204195 1 0 3 0x88 kqread sshd 35593 143218 2722 73 3 0x1100090 kqread syslogd 2722 32116 1 0 3 0x100082 sbwait syslogd 75465 196359 1 0 3 0x100080 kqread resolvd 86818 107720 53692 77 3 0x100092 kqread dhcpleased 41448 356585 53692 77 3 0x100092 kqread dhcpleased 53692 298525 1 0 3 0x80 kqread dhcpleased 40922 347522 0 0 3 0x14200 bored smr 88081 361985 0 0 2 0x14200 zerothread 25214 112124 0 0 3 0x14200 aiodoned aiodoned 83466 483753 0 0 3 0x14200 syncer update 49248 317680 0 0 3 0x14200 cleaner cleaner *44965 263695 0 0 7 0x14200 reaper 1800 282380 0 0 3 0x14200 pgdaemon pagedaemon 23514 313751 0 0 3 0x14200 bored viomb 57884 291056 0 0 3 0x40014200 acpi0 acpi0 7047 354566 0 0 3 0x14200 bored softnet0 25687 467947 0 0 3 0x14200 bored systqmp 83663 220914 0 0 3 0x14200 bored systq 30514 88652 0 0 3 0x40014200 tmoslp softclock 52720 45721 0 0 3 0x40014200 idle0 1 306123 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 10192 11071K 12330K 166960K 16090 0 pcb 17 18K 20K 166960K 650 0 rtable 218 12K 14K 166960K 838 0 pf 32 13K 17K 166960K 209 0 ifaddr 36 6K 8K 166960K 149 0 ifgroup 52 2K 2K 166960K 271 0 sysctl 4 1K 9K 166960K 28 0 counters 33 17K 18K 166960K 220 0 ioctlops 0 0K 5K 166960K 552 0 iov 0 0K 28K 166960K 210 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1497 94K 94K 166960K 3880 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 33 0 VM map 2 1K 1K 166960K 2 0 sem 27 73K 73K 166960K 194 0 dirhash 6 1K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 106K 166960K 2300 0 sigio 0 0K 0K 166960K 157 0 proc 60 59K 108K 166960K 805 0 subproc 72 4K 4K 166960K 95 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 270 0 in_multi 65 4K 7K 166960K 211 0 ether_multi 1 0K 0K 166960K 27 0 mrt 1 0K 0K 166960K 19 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 115 519K 519K 166960K 115 0 exec 0 0K 1K 166960K 822 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 234 160K 184K 166960K 23410 0 UVM aobj 11 16K 18K 166960K 13 0 pinsyscall 37 74K 94K 166960K 3485 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 135 0 NDP 12 0K 2K 166960K 109 0 temp 81 8652K 8766K 166960K 126694 0 kqueue 16 22K 32K 166960K 466 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 120 353 0 349 4 2 2 3 0 8 1 rtentry 136 191 0 122 4 0 4 4 0 8 0 unpcb 144 1244 0 1229 5 1 4 4 0 8 3 syncache 336 18 0 18 2 1 1 1 0 8 1 tcpqe 32 11 0 11 2 1 1 1 0 8 1 tcpcb 736 956 0 949 12 5 7 7 0 8 5 arp 96 32 0 20 1 0 1 1 0 8 0 ipq 40 11 0 10 1 0 1 1 0 8 0 ipqe 40 14 0 13 1 0 1 1 0 8 0 inpcb 328 2823 0 2813 20 11 9 12 0 8 7 ip6q 72 11 0 11 1 0 1 1 0 8 1 ip6af 40 18 0 18 1 0 1 1 0 8 1 nd6 112 38 0 23 1 0 1 1 0 8 0 pkpcb 40 53 0 53 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1072 163 0 162 1 0 1 1 0 8 0 pppxif 1384 7 0 7 2 1 1 1 0 8 1 rttmr 136 5 0 5 2 1 1 1 0 8 1 art_heap8 4096 5 0 1 5 0 5 5 0 8 1 art_heap4 256 826 0 510 30 2 28 29 0 8 5 art_table 40 831 0 511 5 0 5 5 0 8 0 art_node 32 188 0 129 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 13 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 184 0 159 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 15 3 1 2 3 0 8 0 dino2pl 256 5955 0 4463 95 0 95 95 0 8 0 ffsino 256 5955 0 4463 95 0 95 95 0 8 0 nchpl 144 9197 0 7500 64 0 64 64 0 8 0 rtmask 32 31 0 31 2 1 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 33013 0 33012 4 1 3 3 0 8 2 vcpupl 3904 7 0 0 1 0 1 1 0 8 0 vmpool 800 9 0 2 1 0 1 1 0 8 0 kstatmem 264 178 0 154 3 0 3 3 0 8 1 scsiplug 72 10 0 10 2 1 1 1 0 8 1 scxspl 216 28408 0 28408 15 7 8 8 1 8 8 plimitpl 152 632 0 615 1 0 1 1 0 8 0 sigapl 424 2611 0 2566 7 1 6 6 0 8 0 knotepl 120 367918 0 367864 49 39 10 22 0 8 8 kqueuepl 184 792 0 782 4 0 4 4 0 8 3 pipepl 304 432 0 405 10 2 8 8 0 8 5 fdescpl 448 2577 0 2549 5 1 4 5 0 8 0 filepl 120 18177 0 17969 19 5 14 14 0 8 5 lockfpl 104 1034 0 1032 1 0 1 1 0 8 0 lockfspl 48 445 0 443 1 0 1 1 0 8 0 sessionpl 144 38 0 30 1 0 1 1 0 8 0 pgrppl 48 260 0 244 1 0 1 1 0 8 0 ucredpl 104 3287 0 3274 1 0 1 1 0 8 0 zombiepl 144 3741 0 3740 1 0 1 1 0 8 0 processpl 1152 2611 0 2566 4 0 4 4 0 8 0 procpl 664 6442 0 6388 7 1 6 6 0 8 0 sosppl 176 13 0 13 2 1 1 1 0 8 1 sockpl 552 4546 0 4517 21 10 11 13 0 8 8 mcl64k 65536 357 0 357 2 1 1 1 0 8 1 mcl16k 16384 6 0 6 2 1 1 1 0 8 1 mcl12k 12288 3 0 3 2 1 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 25 0 25 2 1 1 1 0 8 1 mcl4k 4096 5675 0 5624 15 7 8 14 0 8 1 mcl2k2 2112 8 0 8 2 1 1 1 0 8 1 mcl2k 2048 3460 0 3455 10 4 6 6 0 8 4 mtagpl 96 99 0 99 2 0 2 2 0 8 2 mbufpl 256 110307 0 109942 246 180 66 175 0 8 8 bufpl 280 9747 0 3525 445 0 445 445 0 8 0 anonpl 24 390918 0 382305 93 10 83 86 0 187 6 amapchunkpl 152 83079 0 82538 46 10 36 37 0 158 12 amappl16 200 7236 0 6947 30 3 27 27 0 8 0 amappl15 192 2 0 1 1 0 1 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 430 0 427 1 0 1 1 0 8 0 amappl12 168 2967 0 2930 2 0 2 2 0 8 0 amappl11 160 105 0 105 1 1 0 1 0 8 0 amappl10 152 47 0 36 1 0 1 1 0 8 0 amappl9 144 256 0 256 1 1 0 1 0 8 0 amappl8 136 111 0 109 1 0 1 1 0 8 0 amappl7 128 87 0 86 1 0 1 1 0 8 0 amappl6 120 305 0 293 1 0 1 1 0 8 0 amappl5 112 79 0 71 1 0 1 1 0 8 0 amappl4 104 455 0 432 1 0 1 1 0 8 0 amappl3 96 14005 0 13918 3 0 3 3 0 8 0 amappl2 88 2799 0 2728 2 0 2 2 0 8 0 amappl1 80 21498 0 20964 15 0 15 15 0 8 2 amappl 88 22248 0 22084 5 0 5 5 0 92 0 uvmvnodes 80 152 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma16384 16384 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 9 0 9 2 1 1 1 0 8 1 dma128 128 257 0 257 2 1 1 1 0 8 1 dma64 64 8 0 8 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 12 0 2 1 0 1 1 0 8 0 uaddrrnd 24 2577 0 2549 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2577 0 2549 1 0 1 1 0 8 0 vmmpekpl 168 22379 0 22339 3 0 3 3 0 8 0 vmmpepl 168 170828 0 168814 117 4 113 113 0 357 17 vmsppl 368 2576 0 2549 4 1 3 4 0 8 0 rwobjpl 40 45068 0 43800 16 0 16 16 0 8 0 pdppl 4096 5178 0 5109 138 65 73 80 0 8 4 pvpl 32 1124030 0 1110162 175 10 165 165 0 265 16 pmappl 216 2585 0 2551 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 676 0 274 16 1 15 15 0 8 2 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(deaf4152deaf4232) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deaf4152deaf4152,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73cf90) 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(deaf4152deaf4232) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(deaf4152deaf4152,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a73cf90) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3