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(ffff80002a58caa0) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2 ddb> show registers rdi 0xdeadbeefdeadbeef rsi 0 rbp 0xffff80002a599490 rbx 0 rdx 0 rcx 0xffffffff82ca5ff0 cpu_info_full_primary+0x1ff0 rax 0x9 r8 0 r9 0 r10 0xc946c3d970959dd8 r11 0xdeadbeefdeadbeef r12 0xdeadbeefdeadbeef r13 0xffffffff82ca5ff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000ffffe5b0 r15 0xdeadbeefdeadbeef rip 0xffffffff81c4e314 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a599450 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (softclock) tid=158350 pid=13211 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=0xffff80002a58cd48,0xffff80002a58c560 process=0xffff8000ffffe5b0 user=0xffff80002a594000, vmspace=0xffffffff82e59d88 estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 16039 423737 4296 0 2 0 syz-executor.6 18959 479357 0 0 3 0x14200 acct acct 80176 311912 13904 0 3 0x3000 suspend syz-executor.5 80176 149016 13904 0 2 0x4081000 syz-executor.5 80176 465637 13904 0 3 0x4081000 inode syz-executor.5 36276 304869 20454 0 2 0 syz-executor.1 36276 111124 20454 0 2 0x4000000 syz-executor.1 36276 210624 20454 0 2 0x4000000 syz-executor.1 51189 160370 96520 0 2 0 syz-executor.4 51189 5346 96520 0 3 0x4000080 fsleep syz-executor.4 51189 18944 96520 0 3 0x4000080 fsleep syz-executor.4 68906 186557 30012 0 2 0x482 syz-executor.0 96520 115447 30012 0 2 0x482 syz-executor.4 58575 37403 30012 0 2 0x482 syz-executor.3 244 441700 0 0 3 0x14280 nfsidl nfsio 14104 486111 0 0 3 0x14280 nfsidl nfsio 88062 87592 0 0 3 0x14280 nfsidl nfsio 34867 177940 0 0 3 0x14280 nfsidl nfsio 81908 74448 0 0 3 0x14280 nfsidl nfsio 57128 5715 0 0 3 0x14280 nfsidl nfsio 90227 514040 0 0 3 0x14280 nfsidl nfsio 70573 428580 0 0 3 0x14280 nfsidl nfsio 16471 136360 0 0 3 0x14280 nfsidl nfsio 93872 385190 0 0 3 0x14280 nfsidl nfsio 8635 29557 0 0 3 0x14280 nfsidl nfsio 58409 331384 0 0 3 0x14280 nfsidl nfsio 14396 511798 0 0 3 0x14280 nfsidl nfsio 48352 172384 0 0 3 0x14280 nfsidl nfsio 11785 160399 0 0 3 0x14280 nfsidl nfsio 87001 239785 0 0 3 0x14280 nfsidl nfsio 25742 66542 0 0 3 0x14280 nfsidl nfsio 26294 468317 0 0 3 0x14280 nfsidl nfsio 12159 417520 0 0 3 0x14280 nfsidl nfsio 65024 92316 0 0 3 0x14280 nfsidl nfsio 4296 428432 30012 0 2 0x482 syz-executor.6 20454 428873 30012 0 2 0x482 syz-executor.1 61638 357276 30012 0 2 0x2 syz-executor.7 13904 167258 30012 0 3 0x82 wait syz-executor.5 45721 162824 30012 0 2 0x482 syz-executor.2 24048 386434 1 0 3 0x18100083 ttyin getty 7530 459296 0 0 3 0x14200 bored sosplice 30012 187153 20753 0 3 0x1a000082 wait syz-fuzzer 30012 79482 20753 0 3 0x1e000082 nanoslp syz-fuzzer 30012 512453 20753 0 3 0x1e000082 thrsleep syz-fuzzer 30012 309734 20753 0 3 0x1e000082 thrsleep syz-fuzzer 30012 73363 20753 0 3 0x1e000082 thrsleep syz-fuzzer 30012 106249 20753 0 3 0x1e000082 wait syz-fuzzer 30012 151296 20753 0 3 0x1e000082 wait syz-fuzzer 30012 66486 20753 0 3 0x1e000082 wait syz-fuzzer 30012 179083 20753 0 2 0x1e000482 syz-fuzzer 30012 236310 20753 0 3 0x1e000082 wait syz-fuzzer 30012 377271 20753 0 3 0x1e000082 thrsleep syz-fuzzer 30012 491955 20753 0 3 0x1e000082 wait syz-fuzzer 30012 300094 20753 0 3 0x1e000082 wait syz-fuzzer 30012 111920 20753 0 3 0x1e000082 wait syz-fuzzer 20753 260618 4480 0 3 0x810008a sigsusp ksh 4480 58928 32102 0 3 0x1800009a kqread sshd 32102 41586 1 0 3 0x18000088 kqread sshd 70338 276439 81115 73 3 0x19100090 kqread syslogd 81115 14240 1 0 3 0x18100082 netio syslogd 54082 364458 1 0 3 0x18100080 kqread resolvd 80195 252995 38566 77 3 0x18100092 kqread dhcpleased 92956 269410 38566 77 3 0x18100092 kqread dhcpleased 38566 73034 1 0 3 0x18000080 kqread dhcpleased 43608 152331 0 0 3 0x14200 bored smr 20358 154633 0 0 2 0x14200 zerothread 57941 89561 0 0 3 0x14200 aiodoned aiodoned 297 260736 0 0 2 0x14600 update 45074 311761 0 0 3 0x14200 cleaner cleaner 85973 23056 0 0 3 0x14200 reaper reaper 77470 347254 0 0 3 0x14200 pgdaemon pagedaemon 12437 258986 0 0 3 0x14200 bored viomb 51622 58802 0 0 3 0x40014200 acpi0 acpi0 80729 473643 0 0 3 0x14200 bored softnet3 11159 378263 0 0 3 0x14200 bored softnet2 99533 92914 0 0 3 0x14200 bored softnet1 34854 113344 0 0 3 0x14200 bored softnet0 74470 60010 0 0 3 0x14200 bored systqmp 56801 119338 0 0 3 0x14200 bored systq *13211 158350 0 0 7 0x40014200 softclock 89532 52963 0 0 3 0x40014200 idle0 1 77974 0 0 3 0x8000082 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 10174 6408K 7515K 166960K 31748 0 pcb 15 18K 23K 166960K 964 0 rtable 199 10K 12K 166960K 2691 0 pf 29 8K 9K 166960K 367 0 ifaddr 37 11K 13K 166960K 367 0 ifgroup 50 2K 2K 166960K 554 0 sysctl 3 0K 0K 166960K 3 0 counters 30 17K 17K 166960K 182 0 ioctlops 0 0K 2K 166960K 714 0 iov 0 0K 32K 166960K 1048 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1709 107K 108K 166960K 7538 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 115 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 787 0 dirhash 12 2K 2K 166960K 42 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 14 49K 69K 166960K 9302 0 sigio 0 0K 0K 166960K 222 0 proc 64 59K 92K 166960K 2259 0 subproc 104 6K 6K 166960K 754 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 615 0 in_multi 77 5K 7K 166960K 718 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 1964 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 439 530K 532K 166960K 86252 0 UVM aobj 26 4K 4K 166960K 38 0 pinsyscall 22 44K 100K 166960K 2852 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 254 0 NDP 11 0K 2K 166960K 279 0 temp 74 6804K 7440K 166960K 52155 0 kqueue 13 20K 30K 166960K 735 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 120 490 0 487 4 1 3 3 0 8 2 rtentry 112 823 0 735 4 0 4 4 0 8 0 unpcb 144 7579 0 7565 19 10 9 10 0 8 8 syncache 336 101 0 101 2 1 1 1 0 8 1 tcpqe 32 182 0 182 2 1 1 1 0 8 1 tcpcb 808 2959 0 2941 24 15 9 15 0 8 7 arp 88 158 0 144 1 0 1 1 0 8 0 ipq 40 16 0 15 1 0 1 1 0 8 0 ipqe 40 300 0 299 1 0 1 1 0 8 0 inpcb 360 7303 0 7282 37 22 15 15 0 8 12 nd6 104 178 0 159 1 0 1 1 0 8 0 pkpcb 40 31 0 31 2 1 1 1 0 8 1 kcovpl 48 58 0 50 1 0 1 1 0 8 0 ppxss 1072 69 0 69 2 1 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 pool(rttmr): free list modified: page 0xfffffd806bcd8000; item ordinal 0; addr 0xfffffd806bcd8e58 (p 0xfffffd806bcd8000); offset 0x10=0xffffffff art_heap8 4096 4 0 3 3 0 3 3 0 8 2 art_heap4 256 2975 0 2596 42 12 30 30 0 8 3 art_table 32 2979 0 2599 4 0 4 4 0 8 0 art_node 16 812 0 733 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semapl 112 782 0 772 1 0 1 1 0 8 0 shmpl 112 35 0 12 1 0 1 1 0 8 0 dirhash 1024 37 0 20 3 0 3 3 0 8 0 dino2pl 256 13679 0 12146 97 0 97 97 0 8 0 ffsino 240 13679 0 12146 91 0 91 91 0 8 0 nchpl 144 25703 0 23967 66 0 66 66 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 90577 0 90576 3 1 2 2 0 8 1 vcpupl 2048 121 0 0 16 0 16 16 0 8 0 vmpool 664 127 0 6 11 0 11 11 0 8 0 kstatmem 264 326 0 304 2 0 2 2 0 8 0 scxspl 216 83342 0 83342 11 7 4 8 1 8 4 plimitpl 152 1222 0 1206 1 0 1 1 0 8 0 sigapl 424 9599 0 9533 9 1 8 8 0 8 0 futexpl 64 83338 0 83336 1 0 1 1 0 8 0 knotepl 120 81301 0 81218 17 7 10 10 0 8 7 kqueuepl 184 1817 0 1808 7 3 4 4 0 8 3 pipepl 288 1169 0 1141 12 5 7 8 0 8 4 fdescpl 432 9480 0 9454 4 0 4 4 0 8 0 filepl 120 56800 0 56495 26 11 15 19 0 8 5 lockfpl 104 2233 0 2231 3 1 2 2 0 8 1 lockfspl 48 834 0 832 1 0 1 1 0 8 0 sessionpl 144 75 0 59 1 0 1 1 0 8 0 pgrppl 48 241 0 225 1 0 1 1 0 8 0 ucredpl 104 8300 0 8290 1 0 1 1 0 8 0 zombiepl 144 9536 0 9533 2 1 1 1 0 8 0 processpl 1072 9599 0 9533 6 1 5 5 0 8 0 procpl 680 22963 0 22878 11 2 9 9 0 8 1 sosppl 168 104 0 102 1 0 1 1 0 8 0 sockpl 488 15410 0 15372 283 269 14 35 0 8 8 mcl64k 65536 497 0 497 2 1 1 1 0 8 1 mcl16k 16384 223 0 223 2 1 1 1 0 8 1 mcl12k 12288 356 0 356 2 1 1 1 0 8 1 mcl9k 9216 180 0 180 2 1 1 1 0 8 1 mcl8k 8192 748 0 748 2 1 1 1 0 8 1 mcl4k 4096 1016 0 1016 2 1 1 1 0 8 1 mcl2k2 2112 82 0 82 2 1 1 1 0 8 1 mcl2k 2048 100109 0 100055 35 23 12 30 0 8 3 mtagpl 96 2874 0 2722 20 11 9 19 0 8 1 mbufpl 256 270333 0 270067 271 235 36 93 0 8 8 bufpl 280 19168 0 12829 453 0 453 453 0 8 0 anonpl 24 1031216 0 1016440 126 9 117 117 0 188 12 amapchunkpl 152 272679 0 271793 57 10 47 47 0 158 5 amappl16 200 23107 0 22661 65 30 35 38 0 8 8 amappl15 192 85 0 84 1 0 1 1 0 8 0 amappl14 184 296 0 282 2 1 1 2 0 8 0 amappl13 176 32 0 32 2 1 1 1 0 8 1 amappl12 168 10836 0 10809 2 0 2 2 0 8 0 amappl11 160 51 0 41 1 0 1 1 0 8 0 amappl10 152 119 0 110 1 0 1 1 0 8 0 amappl9 144 239 0 238 1 0 1 1 0 8 0 amappl8 136 480 0 401 3 0 3 3 0 8 0 amappl7 128 109 0 95 1 0 1 1 0 8 0 amappl6 120 990 0 972 2 1 1 2 0 8 0 amappl5 112 575 0 562 1 0 1 1 0 8 0 amappl4 104 994 0 962 2 1 1 2 0 8 0 amappl3 96 53788 0 53710 3 0 3 3 0 8 0 amappl2 88 10386 0 10317 4 1 3 4 0 8 1 amappl1 80 45138 0 44648 22 11 11 22 0 8 0 amappl 88 85054 0 84801 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 37 0 12 1 0 1 1 0 8 0 uaddrrnd 24 9607 0 9460 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 9607 0 9460 1 0 1 1 0 8 0 vmmpekpl 168 66496 0 66418 4 0 4 4 0 8 0 vmmpepl 168 592809 0 590497 165 31 134 136 0 357 16 vmsppl 352 9606 0 9460 15 1 14 14 0 8 0 rwobjpl 24 145359 0 137919 48 1 47 47 0 8 0 pdppl 4096 19220 0 19041 616 431 185 187 0 8 6 pvpl 32 2763610 0 2742612 431 213 218 388 0 265 31 pmappl 216 9606 0 9460 9 0 9 9 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1237 0 731 15 0 15 15 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a58caa0) 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(ffff80002a58caa0) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2