kernel: protection fault trap, code=0 Stopped at reaper+0x322: movq 0x8(%rax),%rdi ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace reaper(ffff800029fd9448) at reaper+0x322 sys/kern/kern_exit.c:491 end trace frame: 0x0, count: -1 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff800029fe5800 rbx 0 rdx 0 rcx 0xffff800029fd9448 rax 0xdead4110dead4110 r8 0 r9 0 r10 0xf4dcd863ae26f875 r11 0xd92ca458c66a2e47 r12 0x40000 acpi_pdirpa+0x2be71 r13 0xffffffff834edff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000371d2460 r15 0x41018 acpi_pdirpa+0x2ce89 rip 0xffffffff826b1292 reaper+0x322 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800029fe57d0 ss 0x10 reaper+0x322: movq 0x8(%rax),%rdi ddb{0}> show proc PROC (reaper) tid=63949 pid=61929 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=32, usrpri=64, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029fd96d0,0xffff800029fd91d0 process=0xffff800029febaf0 user=0xffff800029fe0000, vmspace=0xffffffff83546a08 estcpu=14, cpticks=4, pctcpu=2.31, user=0, sys=78512, intr=1496 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61656 212336 69361 32767 2 0x10 syz-executor 61656 359113 69361 32767 3 0x4000090 piperd syz-executor 61656 283640 69361 32767 3 0x4000090 fsleep syz-executor 26944 499825 3729 32767 3 0x90 nanoslp syz-executor 26944 307162 3729 32767 3 0x4000090 kqsel syz-executor 26944 339836 3729 32767 3 0x4000090 fsleep syz-executor 61979 503068 65206 32767 3 0x90 nanoslp syz-executor 61979 232218 65206 32767 3 0x4000090 kqread syz-executor 61979 460096 65206 32767 3 0x4000090 fsleep syz-executor 80645 297178 77421 32767 3 0x90 nanoslp syz-executor 77421 108900 6964 0 3 0x82 wait syz-executor 3729 514970 89221 32767 3 0x90 nanoslp syz-executor 89221 174619 6964 0 3 0x82 wait syz-executor 7093 272997 71112 32767 3 0x90 wait syz-executor 71112 110421 6964 0 3 0x82 wait syz-executor 14843 106704 44432 32767 3 0x90 nanoslp syz-executor 44432 181116 6964 0 3 0x82 wait syz-executor 55004 97615 48999 32767 7 0x10 syz-executor 48999 330748 6964 0 3 0x82 wait syz-executor 96190 498174 49753 32767 3 0x90 wait syz-executor 49753 45445 6964 0 3 0x82 wait syz-executor 69361 162035 2513 32767 3 0x90 nanoslp syz-executor 2513 132163 6964 0 3 0x82 wait syz-executor 65206 229950 41448 32767 3 0x90 nanoslp syz-executor 41448 454287 6964 0 3 0x82 wait syz-executor 67484 268262 91171 32767 4 0x82010 syz-executor 67484 94555 91171 32767 4 0x4082010 syz-executor 67484 391814 91171 32767 4 0x4082010 syz-executor 67484 16119 91171 32767 3 0x4002010 suspend syz-executor 91171 33480 1 32767 3 0x90 wait syz-executor 29165 514618 57433 32767 3 0x3810 suspend syz-executor 29165 148673 57433 32767 4 0x4081810 syz-executor 57433 231791 1 32767 3 0x90 wait syz-executor 35249 12415 37048 0 3 0x100082 sbwait ndp 37048 472119 65901 0 3 0x10008a sigsusp sh 65901 365822 1 0 3 0x80 wait syz-executor 62881 519914 0 0 3 0x14200 bored sosplice 6964 301329 65450 0 3 0x82 kqread syz-executor 65450 13120 2239 0 3 0x10008a sigsusp ksh 2239 13101 22279 0 3 0x98 kqread sshd-session 22279 17735 7930 0 3 0x92 kqread sshd-session 33356 246034 1 0 3 0x100083 ttyin getty 7930 161989 1 0 3 0x88 kqread sshd 78669 245012 32761 73 3 0x1100090 kqread syslogd 32761 151445 1 0 3 0x100082 sbwait syslogd 73780 459752 1 0 3 0x100080 kqread resolvd 55091 277440 30675 77 3 0x100092 kqread dhcpleased 39709 338503 30675 77 3 0x100092 kqread dhcpleased 30675 158631 1 0 3 0x80 kqread dhcpleased 10603 153055 0 0 3 0x14200 bored smr 88160 328039 0 0 3 0x14200 pgzero zerothread 76017 173110 0 0 3 0x14200 aiodoned aiodoned 5806 71914 0 0 3 0x14200 syncer update 18349 409360 0 0 3 0x14200 cleaner cleaner *61929 63949 0 0 7 0x14200 reaper 15479 313356 0 0 3 0x14200 pgdaemon pagedaemon 22014 56774 0 0 3 0x14200 bored viomb 28731 104782 0 0 3 0x40014200 acpi0 acpi0 78957 197923 0 0 3 0x40014200 idle1 21509 403214 0 0 3 0x14200 bored softnet3 24878 205462 0 0 3 0x14200 bored softnet2 41507 64539 0 0 3 0x14200 bored softnet1 17648 283191 0 0 2 0x14200 softnet0 39148 145541 0 0 3 0x14200 bored systqmp 33402 371911 0 0 3 0x14200 bored systq 18732 416887 0 0 3 0x14200 tmoslp softclockmp 2919 126627 0 0 3 0x40014200 tmoslp softclock 71994 208709 0 0 3 0x40014200 idle0 1 104864 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 61929 (reaper) thread 0xffff800029fd9448 (63949) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8361ffd0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 knote_processexit+0x2b sys/kern/kern_event.c:2063 #6 reaper+0x2ad sys/kern/kern_exit.c:489 #7 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10234 11054K 11059K 166960K 13567 0 pcb 17 24K 26K 166960K 27 0 rtable 236 6K 7K 166960K 26869 0 pf 31 16K 16K 166960K 1549 0 ifaddr 42 15K 19K 166960K 3051 0 ifgroup 50 2K 2K 166960K 3070 0 sysctl 4 1K 5K 166960K 38 0 counters 64 36K 36K 166960K 1566 0 ioctlops 0 0K 2K 166960K 1581 0 iov 0 0K 32K 166960K 3968 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 21847 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 800 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1650 0 dirhash 18 3K 4K 166960K 1143 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 31 117K 169K 166960K 48103 0 sigio 0 0K 0K 166960K 1818 0 proc 58 79K 176K 166960K 25641 0 subproc 143 8K 13K 166960K 12649 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 10441 0 in_multi 99 7K 8K 166960K 10136 0 ether_multi 1 0K 0K 166960K 218 0 mrt 1 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 343 1526K 1526K 166960K 343 0 exec 0 0K 1K 166960K 18416 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 348 102K 140K 166960K 410882 0 UVM aobj 131 4K 8K 166960K 159 0 pinsyscall 53 106K 138K 166960K 70346 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 3316 0 NDP 11 0K 2K 166960K 2271 0 temp 87 6824K 6952K 166960K 393492 0 kqueue 14 20K 36K 166960K 7708 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 7394 0 7389 53 51 2 5 0 8 1 rtentry 112 8857 0 8746 17 13 4 4 0 8 0 unpcb 144 45306 0 45289 210 204 6 8 0 8 5 syncache 336 800 0 800 33 32 1 1 0 8 1 tcpqe 32 313 0 313 55 54 1 1 0 8 1 tcpcb 808 31246 0 31162 335 319 16 20 0 8 4 arp 120 1545 0 1527 1 0 1 1 0 8 0 ipq 40 227 0 224 2 1 1 1 0 8 0 ipqe 40 3273 0 3270 2 1 1 1 0 8 0 inpcb 336 71387 0 71294 347 333 14 24 0 8 0 ip6q 72 43 0 43 10 10 0 1 0 8 0 ip6af 40 86 0 86 10 10 0 1 0 8 0 nd6 136 2755 0 2730 11 9 2 2 0 8 1 kcovpl 48 973 0 962 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 36457 0 35986 231 201 30 33 0 8 0 art_table 32 36458 0 35986 14 10 4 5 0 8 0 art_node 16 8856 0 8755 1 0 1 1 0 8 0 sysvmsgpl 40 28 0 18 1 0 1 1 0 8 0 semapl 112 1641 0 1631 1 0 1 1 0 8 0 shmpl 112 156 0 28 4 0 4 4 0 8 0 dirhash 1024 786 0 757 12 8 4 4 0 8 0 dino2pl 256 61705 0 57315 277 2 275 275 0 8 0 ffsino 272 61705 0 57315 294 1 293 293 0 8 0 nchpl 144 113102 0 109918 119 0 119 119 0 8 0 uvmvnodes 80 11286 0 0 231 0 231 231 0 8 0 vnodes 216 11286 0 0 627 0 627 627 0 8 0 namei 1024 492439 0 492439 62 61 1 2 0 8 1 percpumem 16 797 0 751 1 0 1 1 0 8 0 kstatmem 264 1524 0 1502 2 0 2 2 0 8 0 scxspl 216 484312 0 484312 103 100 3 8 1 8 3 plimitpl 152 16223 0 16195 2 0 2 2 0 8 0 sigapl 424 46808 0 46745 17 9 8 9 0 8 0 futexpl 64 553668 0 553665 30 29 1 1 0 8 0 knotepl 120 1944 0 0 19 0 19 19 0 8 0 kqueuepl 216 17047 0 17031 142 140 2 8 0 8 1 pipepl 320 10807 0 10770 132 128 4 11 0 8 0 fdescpl 496 46789 0 46746 21 14 7 8 0 8 0 filepl 152 343945 0 343626 237 219 18 23 0 8 2 lockfpl 104 13496 0 13493 7 6 1 2 0 8 0 lockfspl 48 3897 0 3894 1 0 1 1 0 8 0 sessionpl 144 1129 0 1110 1 0 1 1 0 8 0 pgrppl 48 3007 0 2980 1 0 1 1 0 8 0 ucredpl 104 67593 0 67572 1 0 1 1 0 8 0 zombiepl 144 46749 0 46745 1 0 1 1 0 8 0 processpl 1160 46808 0 46745 9 3 6 6 0 8 0 procpl 648 109468 0 109391 22 14 8 8 0 8 0 srpgc 96 32 0 32 15 15 0 1 0 8 0 sosppl 168 561 0 559 8 7 1 1 0 8 0 sockpl 664 124998 0 124881 551 529 22 29 0 8 5 mcl64k 65536 52 0 0 5 0 5 5 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 1 2 3 0 8 0 mcl4k 4096 298 0 0 19 5 14 19 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 666 0 0 16 9 7 11 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 9576 0 0 575 0 575 575 0 8 0 bufpl 280 79877 0 68583 808 0 808 808 0 8 0 anonpl 24 5957489 0 5941861 688 549 139 146 0 185 16 amapchunkpl 152 1346514 0 1345482 417 373 44 55 0 158 0 amappl16 200 147530 0 147027 660 612 48 52 0 8 8 amappl15 192 20 0 20 7 7 0 1 0 8 0 amappl14 184 2390 0 2379 1 0 1 1 0 8 0 amappl13 176 41 0 40 1 0 1 1 0 8 0 amappl12 168 59836 0 59790 10 7 3 3 0 8 0 amappl11 160 49 0 38 1 0 1 1 0 8 0 amappl10 152 43 0 42 2 1 1 1 0 8 0 amappl9 144 152 0 151 3 2 1 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 1993 0 1981 1 0 1 1 0 8 0 amappl6 120 7644 0 7641 1 0 1 1 0 8 0 amappl5 112 3489 0 3478 1 0 1 1 0 8 0 amappl4 104 3997 0 3977 1 0 1 1 0 8 0 amappl3 96 274538 0 274359 7 2 5 5 0 8 0 amappl2 88 15432 0 15364 3 0 3 3 0 8 0 amappl1 80 288260 0 287675 34 13 21 21 0 8 0 amappl 88 399660 0 399373 8 1 7 7 0 92 0 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 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 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 72 158 0 28 4 1 3 3 0 8 0 uaddrrnd 24 46789 0 46745 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 46789 0 46745 1 0 1 1 0 8 0 vmmpekpl 168 427115 0 427055 8 3 5 5 0 8 0 vmmpepl 168 3095212 0 3092361 565 410 155 170 0 357 9 vmsppl 440 46788 0 46745 15 9 6 7 0 8 0 rwobjpl 56 788642 0 775697 275 86 189 189 0 8 3 pdppl 4096 93585 0 93490 1802 1703 99 121 0 8 4 pvpl 32 48958 0 0 386 1 385 385 0 265 0 pmappl 248 46788 0 46745 8 4 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 4017 0 2677 39 0 39 39 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace reaper(ffff800029fd9448) at reaper+0x322 sys/kern/kern_exit.c:491 end trace frame: 0x0, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8361fdc8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8361fdc8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 vn_closefile(fffffd807562f7c0,ffff800036198fc8) at vn_closefile+0x41 sys/kern/vfs_vnops.c:602 fdrop(fffffd807562f7c0,ffff800036198fc8) at fdrop+0x126 sys/kern/kern_descrip.c:1274 closef(fffffd807562f7c0,ffff800036198fc8) at closef+0x192 sys/kern/kern_descrip.c:1258 syscall(ffff80003ac093a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003ac093a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71151610ac30, count: -9