kernel: protection fault trap, code=0 Stopped at __x86_indirect_thunk_r11+0x14: ret ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a58ca40) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2 ddb> show registers rdi 0xdead4110dead4110 rsi 0 rbp 0xffff80002a599460 rbx 0 rdx 0 rcx 0xffffffff82cdeff0 cpu_info_full_primary+0x1ff0 rax 0x9 r8 0xffffffffffffffff r9 0 r10 0x67572af32df3dfab r11 0xdead4110dead4110 r12 0xdead4110dead4110 r13 0xffffffff82cdeff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000fffff240 r15 0xdead4110dead4110 rip 0xffffffff81581304 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a599420 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (softclock) tid=425009 pid=62207 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=50, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a58d1f0,0xffff80002a58c7c0 process=0xffff8000fffff240 user=0xffff80002a594000, vmspace=0xffffffff82e60188 estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 76109 360861 630 0 3 0x8000082 wait syz-executor.1 77849 389983 630 0 3 0x8000082 wait syz-executor.5 89438 307914 630 0 3 0x8000082 wait syz-executor.7 60270 219691 630 0 3 0x8000082 wait syz-executor.3 33162 9106 630 0 2 0x8000482 syz-executor.6 70990 19620 630 0 3 0x8000082 wait syz-executor.2 62924 319574 630 0 3 0x8000082 wait syz-executor.4 32660 49360 1 0 3 0x18100083 ttyin getty 85817 167617 0 0 3 0x14200 bored sosplice 630 87508 56025 0 3 0x1a000082 wait syz-fuzzer 630 357956 56025 0 3 0x1e000082 nanoslp syz-fuzzer 630 339224 56025 0 3 0x1e000082 thrsleep syz-fuzzer 630 322728 56025 0 3 0x1e000082 wait syz-fuzzer 630 321035 56025 0 3 0x1e000082 thrsleep syz-fuzzer 630 507871 56025 0 3 0x1e000082 thrsleep syz-fuzzer 630 135977 56025 0 3 0x1e000082 wait syz-fuzzer 630 39042 56025 0 2 0x1e000002 syz-fuzzer 630 230222 56025 0 3 0x1e000082 wait syz-fuzzer 630 362727 56025 0 3 0x1e000082 thrsleep syz-fuzzer 630 486907 56025 0 3 0x1e000082 wait syz-fuzzer 630 280226 56025 0 3 0x1e000082 wait syz-fuzzer 630 108650 56025 0 3 0x1e000082 wait syz-fuzzer 630 120292 56025 0 3 0x1e000082 wait syz-fuzzer 56025 410654 65121 0 3 0x810008a sigsusp ksh 65121 497475 59520 0 3 0x1800009a kqread sshd 59520 464224 1 0 3 0x18000088 kqread sshd 21771 491834 44803 73 2 0x19100010 syslogd 44803 222095 1 0 3 0x18100082 sbwait syslogd 53391 393243 1 0 3 0x18100080 kqread resolvd 96187 44113 0 0 3 0x14200 bored smr 28018 288607 0 0 2 0x14200 zerothread 93445 213162 0 0 3 0x14200 aiodoned aiodoned 81206 315907 0 0 3 0x14200 syncer update 83453 3536 0 0 3 0x14200 cleaner cleaner 98455 337899 0 0 2 0x14200 reaper 7506 434131 0 0 3 0x14200 pgdaemon pagedaemon 20062 397986 0 0 3 0x14200 bored viomb 96048 418930 0 0 3 0x40014200 acpi0 acpi0 35781 211182 0 0 3 0x14200 bored softnet3 75619 334696 0 0 3 0x14200 bored softnet2 94540 108168 0 0 3 0x14200 bored softnet1 65709 83317 0 0 2 0x14200 softnet0 95909 99374 0 0 3 0x14200 bored systqmp 31199 299715 0 0 3 0x14200 bored systq *62207 425009 0 0 7 0x40014200 softclock 32773 513416 0 0 3 0x40014200 idle0 1 505827 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10170 6420K 10824K 166960K 12972 0 pcb 17 15K 16K 166960K 686 0 rtable 219 14K 15K 166960K 5626 0 pf 29 8K 10K 166960K 565 0 ifaddr 41 12K 13K 166960K 794 0 ifgroup 50 2K 2K 166960K 992 0 sysctl 4 1K 2K 166960K 10 0 counters 30 17K 17K 166960K 272 0 ioctlops 0 0K 2K 166960K 377 0 iov 0 0K 28K 166960K 221 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1391 87K 87K 166960K 4974 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 129 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 502 0 dirhash 12 2K 3K 166960K 99 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 10 33K 105K 166960K 5910 0 sigio 0 0K 0K 166960K 67 0 proc 53 42K 116K 166960K 5215 0 subproc 104 6K 8K 166960K 2353 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 864 0 in_multi 88 6K 7K 166960K 1975 0 ether_multi 1 0K 0K 166960K 59 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 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 2947 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 276 109K 124K 166960K 45929 0 UVM aobj 131 8K 8K 166960K 140 0 pinsyscall 24 48K 100K 166960K 11356 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 261 0 NDP 11 0K 2K 166960K 585 0 temp 78 6812K 14748K 166960K 207181 0 kqueue 6 10K 26K 166960K 538 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 120 731 0 730 1 0 1 1 0 8 0 rtentry 112 2032 0 1933 4 0 4 4 0 8 0 unpcb 144 3363 0 3357 7 0 7 7 0 8 6 syncache 336 10 0 10 1 0 1 1 0 8 1 sackhl 24 3 5 3 1 0 1 1 0 8 1 tcpqe 32 48 0 48 1 0 1 1 0 8 1 tcpcb 808 1434 0 1429 8 0 8 8 0 8 7 arp 88 389 0 372 1 0 1 1 0 8 0 ipq 40 15 0 15 1 0 1 1 0 8 1 ipqe 40 190 0 190 1 0 1 1 0 8 1 inpcb 352 5173 0 5168 15 6 9 13 0 8 8 nd6 104 532 0 510 1 0 1 1 0 8 0 pkpcb 40 23 0 23 1 0 1 1 0 8 1 kcovpl 48 181 0 173 1 0 1 1 0 8 0 ppxss 1072 44 0 44 1 0 1 1 0 8 1 rttmr 136 2 0 2 1 0 1 1 0 8 1 pool(rttmr): free list modified: page 0xfffffd807d5f2000; item ordinal 0; addr 0xfffffd807d5f2d48 (p 0xfffffd807d5f2000); offset 0x10=0xffffffff art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 8007 0 7600 130 101 29 32 0 8 2 art_table 32 8008 0 7600 5 0 5 5 0 8 1 art_node 16 2023 0 1935 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 10 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 500 0 490 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 75 0 58 3 0 3 3 0 8 0 dino2pl 256 8181 0 6652 96 0 96 96 0 8 0 ffsino 240 8181 0 6652 91 0 91 91 0 8 0 nchpl 144 15094 0 14540 67 34 33 67 0 8 8 uvmvnodes 80 9717 0 0 199 0 199 199 0 8 0 vnodes 216 9717 0 0 540 0 540 540 0 8 0 namei 1024 67127 0 67127 3 0 3 3 0 8 3 vcpupl 3904 13 0 1 2 0 2 2 0 8 0 vmpool 664 24 0 12 2 0 2 2 0 8 1 kstatmem 264 506 0 484 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 110496 0 110496 8 0 8 8 1 8 8 plimitpl 152 875 0 859 1 0 1 1 0 8 0 sigapl 424 5891 0 5848 9 0 9 9 0 8 3 futexpl 64 72732 0 72732 1 0 1 1 0 8 1 knotepl 120 23988 0 23922 11 0 11 11 0 8 8 kqueuepl 184 1203 0 1198 4 0 4 4 0 8 3 pipepl 288 1360 0 1332 5 0 5 5 0 8 2 fdescpl 432 5852 0 5834 5 0 5 5 0 8 1 filepl 120 35042 0 34827 14 0 14 14 0 8 6 lockfpl 104 1233 0 1232 1 0 1 1 0 8 0 lockfspl 48 529 0 528 1 0 1 1 0 8 0 sessionpl 144 190 0 175 1 0 1 1 0 8 0 pgrppl 48 327 0 312 1 0 1 1 0 8 0 ucredpl 104 4574 0 4566 1 0 1 1 0 8 0 zombiepl 144 5857 0 5848 1 0 1 1 0 8 0 processpl 1072 5891 0 5848 5 0 5 5 0 8 0 procpl 656 10331 0 10263 9 0 9 9 0 8 1 sosppl 168 9 0 9 1 0 1 1 0 8 1 sockpl 504 9333 0 9321 60 50 10 31 0 8 8 mcl64k 65536 15 0 15 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 113 0 113 1 0 1 1 0 8 1 mcl4k 4096 19 0 19 1 0 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 54822 0 54711 48 26 22 35 0 8 7 mtagpl 96 25 0 25 1 0 1 1 0 8 1 mbufpl 256 152254 0 152042 51 31 20 27 0 8 5 bufpl 280 18391 0 8673 695 0 695 695 0 8 0 anonpl 24 744874 0 734185 112 0 112 112 0 188 47 amapchunkpl 152 146014 0 145057 47 0 47 47 0 158 10 amappl16 200 14220 0 14073 45 21 24 32 0 8 8 amappl15 192 16 0 16 1 0 1 1 0 8 1 amappl14 184 650 0 642 2 0 2 2 0 8 1 amappl13 176 34 0 33 1 0 1 1 0 8 0 amappl12 168 8862 0 8835 2 0 2 2 0 8 0 amappl11 160 49 0 44 1 0 1 1 0 8 0 amappl10 152 221 0 209 1 0 1 1 0 8 0 amappl9 144 152 0 152 1 0 1 1 0 8 1 amappl8 136 540 0 509 2 0 2 2 0 8 0 amappl7 128 91 0 78 1 0 1 1 0 8 0 amappl6 120 2627 0 2611 2 0 2 2 0 8 0 amappl5 112 805 0 796 1 0 1 1 0 8 0 amappl4 104 1710 0 1678 2 0 2 2 0 8 0 amappl3 96 26653 0 26564 3 0 3 3 0 8 0 amappl2 88 6703 0 6646 4 0 4 4 0 8 2 amappl1 80 37580 0 37177 22 5 17 22 0 8 7 amappl 88 43896 0 43699 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 139 0 9 3 0 3 3 0 8 0 uaddrrnd 24 5876 0 5839 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5876 0 5839 1 0 1 1 0 8 0 vmmpekpl 168 47300 0 47237 4 0 4 4 0 8 0 vmmpepl 168 410054 0 408320 119 0 119 119 0 357 41 vmsppl 344 5875 0 5838 5 0 5 5 0 8 0 rwobjpl 24 102750 0 91940 67 0 67 67 0 8 1 pdppl 4096 11758 0 11688 621 551 70 90 0 8 0 pvpl 32 2299981 0 2286112 399 45 354 399 0 265 202 pmappl 216 5875 0 5838 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1125 0 759 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a58ca40) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2 ddb> machine ddbcpu 1 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a58ca40) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2