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(ffff80002a40cf30) at softclock_thread+0xe3 sys/kern/kern_timeout.c:811 end trace frame: 0x0, count: -2 ddb> show registers rdi 0xdeaf4152deaf4152 rsi 0 rbp 0xffff80002a418fe0 rbx 0 rdx 0 rcx 0xffffffff833feff0 cpu_info_full_primary+0x1ff0 rax 0x9 r8 0xffff80002a418c18 r9 0x1800 __ALIGN_SIZE+0x800 r10 0x2f0758f2274560c6 r11 0xdeaf4152deaf4152 r12 0xdeaf4152deaf4152 r13 0xffffffff833feff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000ffffddf8 r15 0xdeaf4152deaf4152 rip 0xffffffff81307304 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a418fa0 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (softclock) tid=178086 pid=60240 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=50, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a40d440,0xffff80002a40ccb8 process=0xffff8000ffffddf8 user=0xffff80002a414000, vmspace=0xffffffff835e1240 estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=3, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 66193 493143 30411 0 2 0x2 syz-executor 24277 363896 30411 0 3 0x82 wait syz-executor 72383 474193 30411 0 2 0x2 syz-executor 38703 338075 30411 0 3 0x82 wait syz-executor 52666 91077 30411 0 3 0x82 wait syz-executor 70842 173732 30411 0 3 0x82 wait syz-executor 43897 307793 30411 0 2 0x2 syz-executor 70966 408486 30411 0 2 0x2 syz-executor 25333 362293 1 0 3 0x100083 ttyin getty 18673 362314 0 0 3 0x14200 acct acct 37516 228144 0 0 3 0x14200 bored sosplice 30411 483229 14932 0 3 0x82 wait syz-executor 14932 200291 74742 0 3 0x10008a sigsusp ksh 74742 310685 99310 0 3 0x98 kqread sshd-session 99310 431765 1 0 3 0x92 kqread sshd-session 49947 226924 49264 73 2 0x1100010 syslogd 49264 303049 1 0 3 0x100082 sbwait syslogd 91320 487938 1 0 3 0x100080 kqread resolvd 28794 185713 11175 77 3 0x100092 kqread dhcpleased 21386 212097 11175 77 3 0x100092 kqread dhcpleased 11175 195759 1 0 3 0x80 kqread dhcpleased 86581 222160 0 0 3 0x14200 bored smr 3274 399451 0 0 2 0x14200 zerothread 79209 498739 0 0 3 0x14200 aiodoned aiodoned 61273 458317 0 0 2 0x14600 update 9731 454531 0 0 3 0x14200 cleaner cleaner 99640 248190 0 0 2 0x14200 reaper 6290 36224 0 0 3 0x14200 pgdaemon pagedaemon 56665 78621 0 0 3 0x14200 bored viomb 12887 391386 0 0 3 0x40014200 acpi0 acpi0 35618 301556 0 0 3 0x14200 bored softnet3 13653 204083 0 0 3 0x14200 bored softnet2 22983 16635 0 0 3 0x14200 bored softnet1 59183 43890 0 0 3 0x14200 bored softnet0 85208 22336 0 0 3 0x14200 bored systqmp 99926 190979 0 0 3 0x14200 bored systq *60240 178086 0 0 7 0x40014200 softclock 61208 321413 0 0 3 0x40014200 idle0 1 203833 0 0 3 0x82 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 10210 11068K 11848K 166960K 13216 0 pcb 17 18K 23K 166960K 406 0 rtable 208 8K 9K 166960K 2997 0 pf 33 13K 269K 166960K 254 0 ifaddr 38 7K 8K 166960K 390 0 ifgroup 50 2K 2K 166960K 407 0 sysctl 3 1K 1K 166960K 6 0 counters 30 17K 17K 166960K 120 0 ioctlops 0 0K 4K 166960K 287 0 iov 0 0K 19K 166960K 130 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1515 95K 96K 166960K 3587 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 106 0 dirhash 15 2K 3K 166960K 39 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 10 30K 97K 166960K 2586 0 sigio 0 0K 0K 166960K 92 0 proc 60 59K 124K 166960K 2879 0 subproc 91 5K 8K 166960K 1163 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 296 0 in_multi 85 6K 7K 166960K 1024 0 ether_multi 1 0K 0K 166960K 12 0 mrt 0 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 1649 0 pfkey data 0 0K 4K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 187 65K 93K 166960K 20354 0 UVM aobj 73 5K 5K 166960K 76 0 pinsyscall 29 58K 96K 166960K 5720 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 64 0 NDP 11 0K 2K 166960K 282 0 temp 62 6813K 6892K 166960K 103542 0 kqueue 12 18K 30K 166960K 255 0 SYN cache 2 2352K 2360K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 367 0 364 3 2 1 3 0 8 0 rtentry 112 1075 0 984 4 0 4 4 0 8 0 unpcb 144 1706 0 1691 8 6 2 7 0 8 1 syncache 336 12 0 12 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 808 484 0 480 14 7 7 8 0 8 6 arp 88 195 0 178 1 0 1 1 0 8 0 ipq 40 7 0 6 1 0 1 1 0 8 0 ipqe 40 141 0 139 1 0 1 1 0 8 0 inpcb 336 2510 0 2503 18 9 9 10 0 8 8 nd6 104 281 0 260 1 0 1 1 0 8 0 pkpcb 40 11 0 11 2 1 1 1 0 8 1 kcovpl 48 89 0 82 1 0 1 1 0 8 0 ppxss 1072 6 0 6 2 1 1 1 0 8 1 pfrktable 1344 2 0 0 1 0 1 1 0 8 0 pfanchor 1288 6 0 6 1 1 0 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 12 0 10 1 0 1 1 0 8 0 pfstate 344 6 0 5 1 0 1 1 0 8 0 pfrule 1344 9 0 6 1 0 1 1 0 8 0 rttmr 136 2 0 2 1 0 1 1 0 8 1 pool(rttmr): free list modified: page 0xfffffd806df0f000; item ordinal 0; addr 0xfffffd806df0fe58 (p 0xfffffd806df0f000); offset 0x10=0xffffffff art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 4240 0 3857 32 2 30 31 0 8 3 art_table 32 4244 0 3857 5 1 4 5 0 8 0 art_node 16 1070 0 990 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 102 0 92 1 0 1 1 0 8 0 shmpl 112 73 0 3 2 0 2 2 0 8 0 dirhash 1024 35 0 16 3 0 3 3 0 8 0 dino2pl 256 3990 0 2338 104 0 104 104 0 8 0 ffsino 240 3990 0 2338 99 1 98 98 0 8 0 nchpl 144 6066 0 4284 68 1 67 67 0 8 0 uvmvnodes 80 5921 0 0 121 0 121 121 0 8 0 vnodes 216 5921 0 0 329 0 329 329 0 8 0 namei 1024 28062 0 28061 2 1 1 2 0 8 0 kstatmem 264 202 0 180 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scxspl 216 54424 0 54424 8 7 1 8 1 8 1 plimitpl 152 589 0 572 1 0 1 1 0 8 0 sigapl 424 2713 0 2670 7 1 6 7 0 8 0 futexpl 64 19862 0 19862 1 0 1 1 0 8 1 knotepl 120 66520 0 66477 38 28 10 17 0 8 8 kqueuepl 184 474 0 466 6 3 3 4 0 8 2 pipepl 288 499 0 472 5 2 3 5 0 8 0 fdescpl 432 2695 0 2674 5 1 4 5 0 8 0 filepl 120 14465 0 14248 23 12 11 21 0 8 3 lockfpl 104 526 0 524 1 0 1 1 0 8 0 lockfspl 48 226 0 224 1 0 1 1 0 8 0 sessionpl 144 108 0 101 1 0 1 1 0 8 0 pgrppl 48 213 0 198 1 0 1 1 0 8 0 ucredpl 104 1895 0 1882 1 0 1 1 0 8 0 zombiepl 144 2674 0 2670 1 0 1 1 0 8 0 processpl 1096 2713 0 2670 4 0 4 4 0 8 0 procpl 648 4612 0 4560 6 0 6 6 0 8 0 sosppl 168 11 0 11 2 1 1 1 0 8 1 sockpl 504 4621 0 4595 67 54 13 34 0 8 8 mcl64k 65536 28 0 28 2 1 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 27 0 27 2 1 1 1 0 8 1 mcl4k 4096 4730 0 4677 15 7 8 15 0 8 0 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 3184 0 3180 7 4 3 5 0 8 1 mtagpl 96 70 0 64 1 0 1 1 0 8 0 mbufpl 256 30865 0 30693 148 127 21 76 0 8 7 bufpl 280 11720 0 4271 533 0 533 533 0 8 0 anonpl 24 397543 0 392897 126 53 73 79 0 187 32 amapchunkpl 152 67932 0 67282 63 22 41 41 0 158 11 amappl16 200 6596 0 6580 26 17 9 14 0 8 7 amappl15 192 14 0 14 1 1 0 1 0 8 0 amappl14 184 325 0 316 1 0 1 1 0 8 0 amappl13 176 21 0 21 1 1 0 1 0 8 0 amappl12 168 4585 0 4561 2 0 2 2 0 8 0 amappl11 160 51 0 41 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 126 0 125 1 0 1 1 0 8 0 amappl8 136 37 0 35 1 0 1 1 0 8 0 amappl7 128 279 0 270 1 0 1 1 0 8 0 amappl6 120 993 0 990 1 0 1 1 0 8 0 amappl5 112 454 0 445 1 0 1 1 0 8 0 amappl4 104 536 0 523 1 0 1 1 0 8 0 amappl3 96 12724 0 12637 5 1 4 4 0 8 1 amappl2 88 1807 0 1752 2 0 2 2 0 8 0 amappl1 80 19637 0 19213 13 2 11 13 0 8 1 amappl 88 19245 0 19106 5 0 5 5 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 75 0 3 2 0 2 2 0 8 0 uaddrrnd 24 2695 0 2671 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2695 0 2671 1 0 1 1 0 8 0 vmmpekpl 168 21298 0 21245 3 0 3 3 0 8 0 vmmpepl 168 167746 0 166339 90 9 81 81 0 357 8 vmsppl 344 2694 0 2670 4 1 3 4 0 8 0 rwobjpl 24 52379 0 45678 42 1 41 41 0 8 0 pdppl 4096 5396 0 5340 210 146 64 82 0 8 8 pvpl 32 1318046 0 1298006 579 269 310 355 0 265 117 pmappl 216 2694 0 2670 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 738 0 365 13 0 13 13 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a40cf30) at softclock_thread+0xe3 sys/kern/kern_timeout.c:811 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(ffff80002a40cf30) at softclock_thread+0xe3 sys/kern/kern_timeout.c:811 end trace frame: 0x0, count: -2