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(ffff80002a40cca8) at softclock_thread+0xe3 sys/kern/kern_timeout.c:811 end trace frame: 0x0, count: -2 ddb> show registers rdi 0xdead4110dead4110 rsi 0 rbp 0xffff80002a419440 rbx 0 rdx 0 rcx 0xffffffff83473ff0 cpu_info_full_primary+0x1ff0 rax 0x9 r8 0 r9 0 r10 0xf181c016eb9ed989 r11 0xdead4110dead4110 r12 0xdead4110dead4110 r13 0xffffffff83473ff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000ffffddf8 r15 0xdead4110dead4110 rip 0xffffffff82531304 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a419400 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (softclock) tid=184034 pid=44084 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=0xffff80002a40cf30,0xffff80002a40c7a8 process=0xffff8000ffffddf8 user=0xffff80002a414000, vmspace=0xffffffff8356dbd8 estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=9, intr=1 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 2511 264507 40914 60928 2 0xc081010 syz-executor 2511 68451 40914 60928 3 0xc003010 suspend syz-executor 81028 297285 52129 60929 3 0x8003010 suspend syz-executor 81028 184753 52129 60929 2 0xc081010 syz-executor 81028 504170 52129 60929 3 0xc081010 inode syz-executor 3990 447820 68505 0 3 0x8000082 wait syz-executor 18943 30565 68505 0 3 0x8000082 wait syz-executor 52129 205252 68505 0 3 0x8000082 wait syz-executor 97419 417260 68505 0 3 0x8000082 wait syz-executor 39039 345052 68505 0 3 0x8000082 wait syz-executor 40914 30572 68505 0 3 0x8000082 wait syz-executor 6696 51755 68505 0 3 0x8000082 wait syz-executor 6936 258844 0 0 3 0x14200 bored sosplice 48472 14918 1 0 3 0x18100083 ttyin getty 68505 130604 82229 0 3 0x8000082 wait syz-executor 82229 390847 9351 0 3 0x810008a sigsusp ksh 9351 2646 47593 0 3 0x18000098 kqread sshd-session 47593 483387 83573 0 3 0x18000092 kqread sshd-session 83573 259458 1 0 3 0x18000088 kqread sshd 13163 37316 92333 73 3 0x19100010 biowait syslogd 92333 185943 1 0 3 0x18100082 sbwait syslogd 97007 16227 1 0 3 0x18100080 kqread resolvd 31809 78268 27601 77 3 0x18100092 kqread dhcpleased 16918 520049 27601 77 3 0x18100092 kqread dhcpleased 27601 107089 1 0 3 0x18000080 kqread dhcpleased 12132 179520 0 0 3 0x14200 bored smr 81610 382170 0 0 2 0x14200 zerothread 17592 453544 0 0 3 0x14200 aiodoned aiodoned 12908 473103 0 0 3 0x14200 syncer update 7548 43487 0 0 3 0x14200 cleaner cleaner 21197 359094 0 0 2 0x14200 reaper 98104 513261 0 0 3 0x14200 pgdaemon pagedaemon 87151 439012 0 0 3 0x14200 bored viomb 39381 509899 0 0 3 0x40014200 acpi0 acpi0 2744 1485 0 0 3 0x14200 bored softnet3 19587 116763 0 0 3 0x14200 bored softnet2 20624 33004 0 0 3 0x14200 bored softnet1 76930 408094 0 0 2 0x14200 softnet0 79123 58778 0 0 3 0x14200 bored systqmp 99198 277495 0 0 3 0x14200 bored systq *44084 184034 0 0 7 0x40014200 softclock 65173 482657 0 0 3 0x40014200 idle0 1 243747 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 10213 10108K 14308K 166960K 17546 0 pcb 17 18K 20K 166960K 1340 0 rtable 191 7K 8K 166960K 7050 0 pf 40 15K 21K 166960K 653 0 ifaddr 40 10K 12K 166960K 988 0 ifgroup 54 2K 2K 166960K 1093 0 sysctl 4 1K 1K 166960K 14 0 counters 31 17K 17K 166960K 298 0 ioctlops 0 0K 4K 166960K 794 0 iov 0 0K 24K 166960K 412 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1548 97K 98K 166960K 8236 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 72K 72K 166960K 89 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 201 0 dirhash 15 2K 3K 166960K 114 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 12 41K 97K 166960K 6506 0 sigio 1 0K 0K 166960K 128 0 proc 59 59K 124K 166960K 6591 0 subproc 104 6K 10K 166960K 2890 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 496 0 in_multi 85 6K 7K 166960K 2441 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 4424 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 257 121K 133K 166960K 51070 0 UVM aobj 57 2K 2K 166960K 63 0 pinsyscall 35 70K 96K 166960K 12915 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 209 0 NDP 12 0K 2K 166960K 709 0 temp 78 6816K 6956K 166960K 209593 0 kqueue 13 20K 30K 166960K 568 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 120 955 0 952 6 3 3 3 0 8 2 rtentry 112 2546 0 2461 4 1 3 4 0 8 0 unpcb 144 5858 0 5837 16 10 6 6 0 8 5 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 808 1654 0 1650 28 20 8 14 0 8 7 arp 88 462 0 445 1 0 1 1 0 8 0 ipq 40 18 0 16 1 0 1 1 0 8 0 ipqe 40 70 0 68 1 0 1 1 0 8 0 inpcb 336 7219 0 7204 34 24 10 13 0 8 7 nd6 104 674 0 653 1 0 1 1 0 8 0 pkpcb 40 25 0 25 3 2 1 1 0 8 1 kcovpl 48 217 0 209 1 0 1 1 0 8 0 ppxss 1072 29 0 29 3 2 1 1 0 8 1 pfstscr 40 10 0 10 3 2 1 1 0 8 1 pfosfp 40 75 0 72 1 0 1 1 0 8 0 pfosfpen 112 75 0 70 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 4 0 0 1 0 1 1 0 8 0 pfqueue 264 2 0 1 2 1 1 1 0 8 0 pfstitem 24 14 0 10 1 0 1 1 0 8 0 pfstkey 128 64 0 50 1 0 1 1 0 8 0 pfstate 344 33 0 31 1 0 1 1 0 8 0 pfrule 1344 29 0 25 1 0 1 1 0 8 0 rttmr 136 2 0 2 2 1 1 1 0 8 1 pool(rttmr): free list modified: page 0xfffffd807ac4a000; item ordinal 0; addr 0xfffffd807ac4aee8 (p 0xfffffd807ac4a000); offset 0x10=0xffffffff art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 9892 0 9517 59 31 28 30 0 8 1 art_table 32 9894 0 9517 5 1 4 4 0 8 0 art_node 16 2504 0 2431 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 11 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 199 0 189 1 0 1 1 0 8 0 shmpl 112 60 0 6 2 0 2 2 0 8 0 dirhash 1024 86 0 66 3 0 3 3 0 8 0 dino2pl 256 8716 0 6810 120 0 120 120 0 8 0 ffsino 240 8716 0 6810 113 0 113 113 0 8 0 nchpl 144 13970 0 12012 73 0 73 73 0 8 0 uvmvnodes 80 9000 0 0 184 0 184 184 0 8 0 vnodes 216 9000 0 0 500 0 500 500 0 8 0 namei 1024 76637 0 76635 4 2 2 2 0 8 1 vcpupl 3904 15 0 2 2 0 2 2 0 8 0 vmpool 664 23 0 10 2 0 2 2 0 8 0 kstatmem 264 558 0 534 2 0 2 2 0 8 0 scsiplug 72 4 0 4 2 1 1 1 0 8 1 scxspl 216 130675 0 130674 11 8 3 8 1 8 2 plimitpl 152 1754 0 1736 1 0 1 1 0 8 0 sigapl 424 6393 0 6346 9 0 9 9 0 8 3 futexpl 64 63298 0 63298 1 0 1 1 0 8 1 knotepl 120 142120 0 142073 33 23 10 17 0 8 5 kqueuepl 184 1632 0 1623 13 10 3 6 0 8 2 pipepl 288 1563 0 1536 17 10 7 9 0 8 4 fdescpl 432 6353 0 6327 5 1 4 5 0 8 0 filepl 120 45144 0 44897 30 15 15 16 0 8 6 lockfpl 104 1620 0 1617 3 1 2 2 0 8 1 lockfspl 48 666 0 663 1 0 1 1 0 8 0 sessionpl 144 229 0 221 1 0 1 1 0 8 0 pgrppl 48 484 0 468 1 0 1 1 0 8 0 ucredpl 104 6446 0 6432 1 0 1 1 0 8 0 zombiepl 144 7348 0 7340 2 1 1 1 0 8 0 processpl 1096 6393 0 6346 6 0 6 6 0 8 1 procpl 648 12426 0 12369 10 2 8 9 0 8 2 sosppl 168 6 0 6 3 2 1 1 0 8 1 sockpl 504 14167 0 14128 224 210 14 30 0 8 6 mcl64k 65536 108 0 108 2 1 1 1 0 8 1 mcl16k 16384 11 0 11 3 2 1 1 0 8 1 mcl12k 12288 9 0 9 3 2 1 1 0 8 1 mcl9k 9216 5 0 5 2 1 1 1 0 8 1 mcl8k 8192 149 0 149 3 2 1 1 0 8 1 mcl4k 4096 32 0 32 3 2 1 1 0 8 1 mcl2k2 2112 3 0 3 1 0 1 1 0 8 1 mcl2k 2048 19685 0 19585 27 11 16 23 0 8 2 mtagpl 96 261 0 259 4 3 1 3 0 8 0 mbufpl 256 70814 0 70621 140 119 21 68 0 8 3 bufpl 280 18110 0 9057 647 0 647 647 0 8 0 anonpl 24 829085 0 820532 164 112 52 108 0 187 0 amapchunkpl 152 165606 0 164560 101 60 41 54 0 158 0 amappl16 200 12217 0 12177 110 98 12 26 0 8 8 amappl15 192 10 0 10 2 2 0 1 0 8 0 amappl14 184 531 0 521 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 10257 0 10227 3 1 2 3 0 8 0 amappl11 160 72 0 62 1 0 1 1 0 8 0 amappl10 152 23 0 22 1 0 1 1 0 8 0 amappl9 144 132 0 132 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 541 0 529 1 0 1 1 0 8 0 amappl6 120 2267 0 2265 1 0 1 1 0 8 0 amappl5 112 963 0 954 1 0 1 1 0 8 0 amappl4 104 928 0 911 1 0 1 1 0 8 0 amappl3 96 31729 0 31601 5 1 4 4 0 8 0 amappl2 88 3559 0 3501 2 0 2 2 0 8 0 amappl1 80 39180 0 38635 15 2 13 14 0 8 0 amappl 88 48932 0 48742 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 1 0 1 1 0 1 1 0 8 1 dma256 256 7 0 7 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 62 0 6 2 0 2 2 0 8 0 uaddrrnd 24 6376 0 6334 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6376 0 6334 1 0 1 1 0 8 0 vmmpekpl 168 52833 0 52780 4 0 4 4 0 8 0 vmmpepl 168 384932 0 383087 139 48 91 102 0 357 10 vmsppl 344 6375 0 6333 5 0 5 5 0 8 1 rwobjpl 24 111654 0 101687 62 0 62 62 0 8 0 pdppl 4096 12758 0 12679 471 392 79 84 0 8 0 pvpl 32 3073107 0 3054979 834 602 232 450 0 265 73 pmappl 216 6375 0 6333 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1260 0 831 14 0 14 14 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a40cca8) 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(ffff80002a40cca8) at softclock_thread+0xe3 sys/kern/kern_timeout.c:811 end trace frame: 0x0, count: -2