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(dead4110dead41f0) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(dead4110dead4110,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d4c0) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a763820 rbx 0x40000 acpi_pdirpa+0x2be71 rdx 0 rcx 0xffffffff837a2ff0 cpu_info_full_primary+0x1ff0 rax 0xffff80002a72d400 r8 0xffffffffffffffff r9 0 r10 0x72db4482badaa2e3 r11 0xe98254e0e94fea8d r12 0xdead4110dead4110 r13 0x40000 acpi_pdirpa+0x2be71 r14 0xdead4110dead41f0 r15 0 rip 0xffffffff827a42ce mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a7637f0 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%r15 ddb> show proc PROC (reaper) tid=396227 pid=42268 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=0xffff80002a72cf90,0xffff80002a72d768 process=0xffff8000ffffdb00 user=0xffff80002a75e000, vmspace=0xffffffff83951060 estcpu=0, cpticks=13, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 48189 36983 0 0 3 0x14280 nfsidl nfsio 67608 224025 0 0 3 0x14280 nfsidl nfsio 90169 155960 0 0 3 0x14280 nfsidl nfsio 18294 89542 9661 0 2 0 syz-executor 18294 301929 9661 0 2 0x4000000 syz-executor 18294 376749 9661 0 2 0x4000000 syz-executor 38847 321679 49237 0 2 0 syz-executor 38847 63457 49237 0 2 0x4000000 syz-executor 38847 427176 49237 0 3 0x4000080 fsleep syz-executor 13325 475332 34479 0 2 0 syz-executor 13325 256939 34479 0 2 0x4000000 syz-executor 13325 22945 34479 0 2 0x4000000 syz-executor 87858 24916 84628 0 4 0x82000 syz-executor 87858 231296 84628 0 2 0x4002000 syz-executor 54643 48305 82983 0 2 0 syz-executor 54643 471558 82983 0 3 0x4000080 netcon syz-executor 54643 520711 82983 0 3 0x4000080 kqread syz-executor 54643 303261 82983 0 2 0x4000000 syz-executor 46625 328109 91821 0 2 0 syz-executor 46625 480152 91821 0 3 0x4000080 fsleep syz-executor 46625 167713 91821 0 3 0x4000080 fsleep syz-executor 10726 105269 1 0 3 0x100083 ttyin getty 95676 260283 0 0 3 0x14200 acct acct 82983 250451 79647 0 3 0x82 nanoslp syz-executor 9661 342430 79647 0 3 0x82 nanoslp syz-executor 84628 161625 79647 0 3 0x82 nanoslp syz-executor 81259 501470 79647 0 2 0x2 syz-executor 91821 51500 79647 0 3 0x82 nanoslp syz-executor 34479 186061 79647 0 3 0x82 nanoslp syz-executor 83160 454938 79647 0 2 0x2 syz-executor 49237 165285 79647 0 3 0x82 nanoslp syz-executor 79647 16056 3650 0 3 0x82 kqread syz-executor 3650 216096 46870 0 3 0x10008a sigsusp ksh 46870 519658 2722 0 3 0x98 kqread sshd-session 2722 124094 735 0 3 0x92 kqread sshd-session 735 255681 1 0 3 0x88 kqread sshd 45905 418370 28816 73 3 0x1100090 kqread syslogd 28816 49767 1 0 3 0x100082 sbwait syslogd 13908 474359 1 0 3 0x100080 kqread resolvd 84558 510336 75182 77 3 0x100092 kqread dhcpleased 34320 295364 75182 77 3 0x100092 kqread dhcpleased 75182 162918 1 0 3 0x80 kqread dhcpleased 1192 300046 0 0 3 0x14200 bored smr 45107 512155 0 0 2 0x14200 zerothread 39662 27429 0 0 3 0x14200 aiodoned aiodoned 24881 330017 0 0 3 0x14200 syncer update 26602 38385 0 0 3 0x14200 cleaner cleaner *42268 396227 0 0 7 0x14200 reaper 69310 175409 0 0 3 0x14200 pgdaemon pagedaemon 49450 282634 0 0 3 0x14200 bored viomb 78704 297384 0 0 3 0x40014200 acpi0 acpi0 92093 317098 0 0 3 0x14200 bored softnet0 81139 467755 0 0 3 0x14200 bored systqmp 62956 384337 0 0 3 0x14200 bored systq 97761 103155 0 0 3 0x40014200 tmoslp softclock 95737 437506 0 0 3 0x40014200 idle0 1 189075 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 11066 12109K 12641K 166960K 15128 0 pcb 19 16K 18K 166960K 539 0 rtable 206 8K 9K 166960K 547 0 pf 34 13K 15K 166960K 128 0 ifaddr 38 6K 7K 166960K 99 0 ifgroup 54 2K 2K 166960K 155 0 sysctl 4 1K 9K 166960K 21 0 counters 34 17K 18K 166960K 83 0 ioctlops 0 0K 4K 166960K 471 0 iov 0 0K 24K 166960K 98 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1488 94K 94K 166960K 2970 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 181 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 1336 0 sigio 0 0K 0K 166960K 28 0 proc 61 67K 100K 166960K 653 0 subproc 72 4K 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 234 0 in_multi 79 5K 7K 166960K 182 0 ether_multi 1 0K 0K 166960K 28 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 538 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 222 158K 177K 166960K 14125 0 UVM aobj 61 9K 11K 166960K 66 0 pinsyscall 38 76K 96K 166960K 2446 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 76 0 NDP 12 0K 2K 166960K 68 0 temp 79 8676K 8803K 166960K 38744 0 kqueue 18 26K 32K 166960K 269 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 120 122 0 118 1 0 1 1 0 8 0 rtentry 136 156 0 77 4 0 4 4 0 8 0 unpcb 144 1051 0 1036 11 5 6 6 0 8 5 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 467 0 462 8 1 7 7 0 8 6 arp 96 23 0 9 1 0 1 1 0 8 0 ipq 40 11 0 10 1 0 1 1 0 8 0 ipqe 40 19 0 17 1 0 1 1 0 8 0 inpcb 328 1497 0 1486 17 7 10 12 0 8 8 ip6q 72 2 0 0 1 0 1 1 0 8 0 ip6af 40 2 0 0 1 0 1 1 0 8 0 nd6 112 36 0 17 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 1 1 1 0 8 1 ppxss 1072 41 0 41 2 1 1 1 0 8 1 pppxif 1384 2 0 2 1 0 1 1 0 8 1 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfstitem 24 1 0 0 1 0 1 1 0 8 0 pfstkey 128 2 0 1 1 0 1 1 0 8 0 pfstate 384 2 0 1 1 0 1 1 0 8 0 pfrule 1360 5 0 5 2 1 1 1 0 8 1 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 256 646 0 289 31 3 28 31 0 8 4 art_table 40 649 0 289 5 0 5 5 0 8 0 art_node 32 154 0 84 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 179 0 169 1 0 1 1 0 8 0 shmpl 112 59 0 4 2 0 2 2 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 4065 0 2576 95 0 95 95 0 8 0 ffsino 256 4065 0 2576 95 0 95 95 0 8 0 nchpl 144 5954 0 4256 64 0 64 64 0 8 0 rtmask 32 5 0 5 1 0 1 1 0 8 1 vnodes 216 5086 0 0 283 0 283 283 0 8 0 namei 1024 20916 0 20914 3 1 2 2 0 8 1 vcpupl 3904 3 0 0 1 0 1 1 0 8 0 vmpool 808 4 0 1 1 0 1 1 0 8 0 kstatmem 264 100 0 76 2 0 2 2 0 8 0 scsiplug 72 7 0 7 1 0 1 1 0 8 1 scxspl 216 20591 0 20591 10 7 3 8 1 8 3 plimitpl 152 433 0 415 1 0 1 1 0 8 0 sigapl 424 1634 0 1588 7 1 6 6 0 8 0 knotepl 120 51509 0 51450 43 33 10 24 0 8 8 kqueuepl 184 506 0 493 4 0 4 4 0 8 3 pipepl 304 271 0 243 7 2 5 5 0 8 2 fdescpl 448 1611 0 1582 5 1 4 5 0 8 0 filepl 120 11465 0 11250 17 4 13 13 0 8 4 lockfpl 104 807 0 805 4 0 4 4 0 8 3 lockfspl 48 285 0 283 2 0 2 2 0 8 1 sessionpl 144 26 0 18 1 0 1 1 0 8 0 pgrppl 48 45 0 29 1 0 1 1 0 8 0 ucredpl 104 1930 0 1918 1 0 1 1 0 8 0 zombiepl 144 2255 0 2255 1 0 1 1 0 8 1 processpl 1152 1634 0 1588 4 0 4 4 0 8 0 procpl 664 3776 0 3718 7 1 6 6 0 8 0 sosppl 176 8 0 8 2 1 1 1 0 8 1 sockpl 552 2713 0 2682 22 11 11 12 0 8 8 mcl64k 65536 109 0 108 2 1 1 1 0 8 0 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 21 0 20 2 1 1 1 0 8 0 mcl4k 4096 4163 0 4112 14 6 8 13 0 8 1 mcl2k 2048 1600 0 1595 5 2 3 3 0 8 2 mtagpl 96 82 0 15 2 0 2 2 0 8 0 mbufpl 256 17668 0 17401 24 2 22 22 0 8 2 bufpl 280 6355 0 134 445 0 445 445 0 8 0 anonpl 24 232643 0 229534 65 18 47 50 0 187 19 amapchunkpl 152 48364 0 47931 48 18 30 38 0 158 9 amappl16 200 4096 0 4063 25 13 12 16 0 8 8 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 12 0 12 1 1 0 1 0 8 0 amappl13 176 417 0 416 1 0 1 1 0 8 0 amappl12 168 1960 0 1923 3 1 2 3 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 43 0 33 1 0 1 1 0 8 0 amappl9 144 249 0 248 2 1 1 1 0 8 0 amappl8 136 26 0 24 1 0 1 1 0 8 0 amappl7 128 84 0 82 1 0 1 1 0 8 0 amappl6 120 284 0 272 1 0 1 1 0 8 0 amappl5 112 82 0 74 1 0 1 1 0 8 0 amappl4 104 398 0 373 1 0 1 1 0 8 0 amappl3 96 8376 0 8298 3 0 3 3 0 8 0 amappl2 88 1728 0 1657 2 0 2 2 0 8 0 amappl1 80 13905 0 13367 13 1 12 13 0 8 0 amappl 88 13177 0 13026 5 0 5 5 0 92 0 uvmvnodes 80 132 0 0 3 0 3 3 0 8 0 dma4096 4096 2 0 2 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 1 0 1 1 0 1 1 0 8 1 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 258 0 258 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 65 0 5 2 0 2 2 0 8 0 uaddrrnd 24 1611 0 1582 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1611 0 1582 1 0 1 1 0 8 0 vmmpekpl 168 14367 0 14323 3 0 3 3 0 8 0 vmmpepl 168 105379 0 103635 102 10 92 92 0 357 11 vmsppl 368 1610 0 1582 4 1 3 4 0 8 0 rwobjpl 40 28577 0 27554 13 0 13 13 0 8 0 pdppl 4096 3237 0 3169 115 45 70 83 0 8 2 pvpl 32 680957 0 672495 151 34 117 121 0 265 31 pmappl 216 1614 0 1583 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 419 0 69 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(dead4110dead41f0) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(dead4110dead4110,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d4c0) 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(dead4110dead41f0) at mtx_enter+0x6e sys/kern/kern_lock.c:549 prsignal(dead4110dead4110,14) at prsignal+0x36 sys/kern/kern_sig.c:904 reaper(ffff80002a72d4c0) at reaper+0x2bc sys/kern/kern_exit.c:516 end trace frame: 0x0, count: -3