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(ffff800029fd8cb0) 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 0xffff800029fe5500 rbx 0 rdx 0 rcx 0xffff800029fd8cb0 rax 0xdead4110dead4110 r8 0x7f7fffffc000 r9 0 r10 0xa4d17d870f583ad8 r11 0x381f8ca45b00977c r12 0x40000 acpi_pdirpa+0x2be71 r13 0xffffffff834c6ff0 cpu_info_full_primary+0x1ff0 r14 0xffff80002cbd2d60 r15 0x41018 acpi_pdirpa+0x2ce89 rip 0xffffffff82659be2 reaper+0x322 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800029fe54d0 ss 0x10 reaper+0x322: movq 0x8(%rax),%rdi ddb{0}> show proc PROC (reaper) tid=106586 pid=62781 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=32, usrpri=75, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029fd8f38,0xffff800029fd8a38 process=0xffff800029febaf0 user=0xffff800029fe0000, vmspace=0xffffffff834fa750 estcpu=25, cpticks=6, pctcpu=2.78, user=0, sys=86929, intr=2342 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 69604 207040 81501 32767 2 0x10 syz-executor 69604 523369 81501 32767 3 0x4000090 fsleep syz-executor 69604 156895 81501 32767 3 0x4000090 fsleep syz-executor 61284 479314 65508 32767 2 0x10 syz-executor 61284 119661 65508 32767 3 0x4000090 fsleep syz-executor 61284 354404 65508 32767 3 0x4000090 fsleep syz-executor 99238 399503 59070 32767 2 0x10 syz-executor 99238 7960 59070 32767 3 0x4000090 fsleep syz-executor 4177 32857 58841 32767 2 0x10 syz-executor 4177 90400 58841 32767 3 0x4000090 ttyretype syz-executor 78723 7070 49393 32767 2 0x10 syz-executor 78723 90052 49393 32767 3 0x4000090 sbwait syz-executor 78723 337103 49393 32767 2 0x4000010 syz-executor 63303 253359 24823 32767 2 0x10 syz-executor 63303 283183 24823 32767 3 0x4000090 kqsel syz-executor 63303 65978 24823 32767 3 0x4000090 fsleep syz-executor 24823 253811 70601 32767 2 0x10 syz-executor 70601 69943 5614 0 3 0x82 wait syz-executor 65508 367237 65883 32767 3 0x90 nanoslp syz-executor 65883 503662 5614 0 3 0x82 wait syz-executor 81501 417943 52637 32767 3 0x90 nanoslp syz-executor 52637 12456 5614 0 3 0x82 wait syz-executor 61239 322494 31478 32767 3 0x90 nanoslp syz-executor 31478 192799 5614 0 3 0x82 wait syz-executor 55965 276869 88707 32767 7 0x10 syz-executor 88707 260532 5614 0 3 0x82 wait syz-executor 49393 471603 54298 32767 3 0x90 nanoslp syz-executor 54298 245487 5614 0 3 0x82 wait syz-executor 59070 263437 4139 32767 2 0x10 syz-executor 4139 74223 5614 0 3 0x82 wait syz-executor 58841 145917 40884 32767 3 0x90 nanoslp syz-executor 40884 177878 5614 0 3 0x82 wait syz-executor 99330 497185 0 0 3 0x14200 bored sosplice 51780 208639 12775 0 3 0x100082 sbwait arp 12775 262273 48113 0 3 0x10008a sigsusp sh 48113 9280 1 0 3 0x80 wait syz-executor 5614 342306 93228 0 2 0x82 syz-executor 93228 507933 60742 0 3 0x10008a sigsusp ksh 60742 93355 47519 0 3 0x98 kqread sshd-session 47519 444278 93591 0 3 0x92 kqread sshd-session 41051 195959 1 0 3 0x100083 ttyin getty 93591 277584 1 0 3 0x88 kqread sshd 43548 375308 62996 73 3 0x1100090 kqread syslogd 62996 63306 1 0 3 0x100082 sbwait syslogd 16901 116300 1 0 3 0x100080 kqread resolvd 81943 82418 49034 77 3 0x100092 kqread dhcpleased 85557 110110 49034 77 3 0x100092 kqread dhcpleased 49034 38337 1 0 3 0x80 kqread dhcpleased 73237 169211 0 0 3 0x14200 bored smr 81847 168769 0 0 3 0x14200 pgzero zerothread 69593 370980 0 0 3 0x14200 aiodoned aiodoned 33263 459115 0 0 3 0x14200 syncer update 55616 171094 0 0 3 0x14200 cleaner cleaner *62781 106586 0 0 7 0x14200 reaper 27146 430552 0 0 3 0x14200 pgdaemon pagedaemon 38674 455288 0 0 3 0x14200 bored viomb 3087 27218 0 0 3 0x40014200 acpi0 acpi0 18287 394074 0 0 3 0x40014200 idle1 22996 24154 0 0 3 0x14200 bored softnet3 90279 282185 0 0 3 0x14200 bored softnet2 87587 368623 0 0 3 0x14200 bored softnet1 90218 362795 0 0 3 0x14200 bored softnet0 18760 60107 0 0 3 0x14200 bored systqmp 47864 29210 0 0 3 0x14200 bored systq 86990 388644 0 0 3 0x14200 tmoslp softclockmp 18744 19555 0 0 3 0x40014200 tmoslp softclock 62750 39271 0 0 3 0x40014200 idle0 1 476150 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 62781 (reaper) thread 0xffff800029fd8cb0 (106586) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83541f98) #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 14126K 14131K 166960K 13972 0 pcb 17 28K 32K 166960K 29 0 rtable 242 6K 7K 166960K 32377 0 pf 31 16K 16K 166960K 1816 0 ifaddr 42 15K 19K 166960K 3591 0 ifgroup 50 2K 2K 166960K 3607 0 sysctl 4 1K 5K 166960K 46 0 counters 64 36K 36K 166960K 1836 0 ioctlops 0 0K 2K 166960K 2169 0 iov 0 0K 48K 166960K 6528 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1482 93K 93K 166960K 25638 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1152 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 2697 0 dirhash 18 3K 4K 166960K 1509 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 28 105K 177K 166960K 67443 0 sigio 0 0K 0K 166960K 2559 0 proc 58 79K 176K 166960K 31453 0 subproc 117 7K 13K 166960K 12961 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 17289 0 in_multi 99 7K 7K 166960K 12855 0 ether_multi 1 0K 0K 166960K 520 0 mrt 1 0K 0K 166960K 16 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 24248 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 299 85K 141K 166960K 593323 0 UVM aobj 131 6K 7K 166960K 146 0 pinsyscall 50 100K 141K 166960K 94625 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 1K 166960K 5190 0 NDP 11 0K 2K 166960K 2676 0 temp 80 6824K 6952K 166960K 458555 0 kqueue 15 22K 36K 166960K 11638 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 10407 0 10403 63 62 1 5 0 8 0 rtentry 112 10470 0 10356 14 10 4 4 0 8 0 unpcb 144 69564 0 69547 257 255 2 10 0 8 1 syncache 336 1367 0 1367 31 30 1 1 0 8 1 tcpqe 32 587 0 587 61 60 1 1 0 8 1 tcpcb 808 49092 0 49026 410 396 14 22 0 8 3 arp 120 1746 0 1727 1 0 1 1 0 8 0 ipq 40 463 0 458 3 2 1 1 0 8 0 ipqe 40 10246 0 10240 6 5 1 2 0 8 0 inpcb 336 104730 0 104657 454 442 12 27 0 8 3 ip6q 72 17 0 17 15 15 0 1 0 8 0 ip6af 40 34 0 34 15 15 0 1 0 8 0 nd6 136 3356 0 3329 17 16 1 2 0 8 0 kcovpl 48 997 0 988 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 42605 0 42114 229 198 31 33 0 8 0 art_table 32 42606 0 42114 17 13 4 5 0 8 0 art_node 16 10469 0 10365 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 15 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 2606 0 2596 1 0 1 1 0 8 0 shmpl 112 143 0 15 4 0 4 4 0 8 0 dirhash 1024 1030 0 1001 17 13 4 5 0 8 0 dino2pl 256 89989 0 85049 311 1 310 310 0 8 0 ffsino 272 89989 0 85049 334 3 331 331 0 8 0 nchpl 144 166715 0 163520 122 3 119 119 0 8 0 uvmvnodes 80 11420 0 0 234 0 234 234 0 8 0 vnodes 216 11420 0 0 635 0 635 635 0 8 0 namei 1024 714934 0 714934 67 66 1 3 0 8 1 percpumem 16 932 0 886 1 0 1 1 0 8 0 kstatmem 264 1794 0 1772 3 1 2 2 0 8 0 scxspl 216 601063 0 601063 137 133 4 8 1 8 4 plimitpl 152 22730 0 22704 2 0 2 2 0 8 0 sigapl 424 66383 0 66324 9 0 9 9 0 8 0 futexpl 64 831580 0 831574 29 28 1 1 0 8 0 knotepl 120 2379 0 0 20 1 19 19 0 8 0 kqueuepl 216 25723 0 25711 198 197 1 9 0 8 0 pipepl 320 14320 0 14289 170 164 6 13 0 8 3 fdescpl 496 66364 0 66324 23 16 7 8 0 8 0 filepl 152 505244 0 504899 276 260 16 26 0 8 2 lockfpl 104 19705 0 19701 7 6 1 2 0 8 0 lockfspl 48 5771 0 5767 1 0 1 1 0 8 0 sessionpl 144 1550 0 1533 1 0 1 1 0 8 0 pgrppl 48 4173 0 4148 1 0 1 1 0 8 0 ucredpl 104 98736 0 98717 1 0 1 1 0 8 0 zombiepl 144 66325 0 66324 1 0 1 1 0 8 0 processpl 1160 66383 0 66324 9 4 5 6 0 8 0 procpl 648 159949 0 159880 11 4 7 8 0 8 0 srpgc 96 32 0 32 16 16 0 1 0 8 0 sosppl 168 846 0 840 20 19 1 1 0 8 0 sockpl 664 186304 0 186210 579 564 15 29 0 8 1 mcl64k 65536 78 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 1114 0 0 35 6 29 29 0 8 0 mtagpl 96 26 0 0 1 0 1 1 0 8 0 mbufpl 256 10191 0 0 556 0 556 556 0 8 0 bufpl 280 116810 0 105385 817 0 817 817 0 8 0 anonpl 24 7977008 0 7957480 685 565 120 147 0 185 0 amapchunkpl 152 1929695 0 1928763 488 435 53 55 0 158 11 amappl16 200 185540 0 184823 557 519 38 52 0 8 0 amappl15 192 13 0 13 11 11 0 1 0 8 0 amappl14 184 3206 0 3195 1 0 1 1 0 8 0 amappl13 176 69 0 68 29 28 1 1 0 8 0 amappl12 168 81760 0 81719 5 2 3 3 0 8 0 amappl11 160 46 0 35 1 0 1 1 0 8 0 amappl10 152 13 0 12 2 1 1 1 0 8 0 amappl9 144 177 0 175 2 1 1 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 2621 0 2609 1 0 1 1 0 8 0 amappl6 120 8997 0 8993 1 0 1 1 0 8 0 amappl5 112 4313 0 4302 1 0 1 1 0 8 0 amappl4 104 5579 0 5562 1 0 1 1 0 8 0 amappl3 96 400445 0 400301 7 2 5 5 0 8 0 amappl2 88 20638 0 20570 6 3 3 3 0 8 0 amappl1 80 425823 0 425261 48 30 18 21 0 8 0 amappl 88 577999 0 577758 7 0 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 72 145 0 15 3 0 3 3 0 8 0 uaddrrnd 24 66364 0 66324 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 66364 0 66324 1 0 1 1 0 8 0 vmmpekpl 168 613131 0 613084 7 3 4 5 0 8 0 vmmpepl 168 4368453 0 4365596 659 523 136 166 0 357 2 vmsppl 440 66363 0 66324 21 15 6 7 0 8 0 rwobjpl 56 1103778 0 1090580 262 75 187 188 0 8 0 pdppl 4096 132735 0 132648 1997 1906 91 123 0 8 4 pvpl 32 51302 0 0 405 1 404 404 0 265 0 pmappl 248 66363 0 66324 6 2 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 4456 0 3063 40 0 40 40 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace reaper(ffff800029fd8cb0) 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(ffffffff83541d90) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83541d90) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002cb7b810) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002cb7b810) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b77fee92230, count: -6