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(ffff80002a57d298) at softclock_thread+0xc4 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2 ddb> show registers rdi 0xdeaf4152deaf4152 rsi 0 rbp 0xffff80002a589290 rbx 0 rdx 0 rcx 0xffffffff82dda180 timeout_proc rax 0x9 r8 0x2c r9 0 r10 0x471690781e88a4dd r11 0xdeaf4152deaf4152 r12 0xdeaf4152deaf4152 r13 0xffffffff82d28ff0 cpu_info_full_primary+0x1ff0 r14 0xffff8000ffffdd50 r15 0xdeaf4152deaf4152 rip 0xffffffff82595314 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a589250 ss 0 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (softclock) tid=56697 pid=25365 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a57d7e8,0xffff80002a57d000 process=0xffff8000ffffdd50 user=0xffff80002a584000, vmspace=0xffffffff82e496d8 estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 56946 214387 73903 0 2 0x2 sh 19740 436211 46993 0 2 0 syz-executor.2 19740 509787 46993 0 3 0x4000080 fsleep syz-executor.2 19740 235066 46993 0 3 0x4000080 fsleep syz-executor.2 89786 381321 12024 0 2 0 syz-executor.5 89786 478857 12024 0 3 0x4000080 fsleep syz-executor.5 6110 385431 4115 0 2 0 syz-executor.0 6110 112285 4115 0 3 0x4000080 fsleep syz-executor.0 73903 447175 26050 0 3 0x82 wait syz-executor.7 39557 71237 31013 0 2 0 syz-executor.1 39557 467726 31013 0 3 0x4000080 fsleep syz-executor.1 39557 407071 31013 0 3 0x4000080 fsleep syz-executor.1 68272 232136 45033 0 2 0 syz-executor.6 68272 164152 45033 0 3 0x4000080 fsleep syz-executor.6 68272 518826 45033 0 3 0x4000080 fsleep syz-executor.6 45864 213954 40689 0 2 0 syz-executor.4 45864 340638 40689 0 3 0x4000080 ttyout syz-executor.4 45864 30665 40689 0 3 0x4000080 fsleep syz-executor.4 45864 389239 40689 0 3 0x4000080 fsleep syz-executor.4 80130 220454 45681 0 2 0x480 syz-executor.3 80130 261742 45681 0 3 0x4000080 netcon syz-executor.3 80130 515239 45681 0 3 0x4000080 fsleep syz-executor.3 31013 22516 26050 0 2 0x482 syz-executor.1 4115 325793 26050 0 2 0x482 syz-executor.0 25226 276228 1 0 3 0x100083 ttyin getty 45681 224407 26050 0 2 0x482 syz-executor.3 40689 29041 26050 0 2 0x482 syz-executor.4 12024 477552 26050 0 2 0x482 syz-executor.5 46993 233587 26050 0 2 0x482 syz-executor.2 64955 36160 0 0 3 0x14280 nfsidl nfsio 30888 439249 0 0 3 0x14280 nfsidl nfsio 95899 248189 0 0 3 0x14280 nfsidl nfsio 90675 376631 0 0 3 0x14280 nfsidl nfsio 91087 158303 0 0 3 0x14280 nfsidl nfsio 52261 74347 0 0 3 0x14280 nfsidl nfsio 7009 64906 0 0 3 0x14280 nfsidl nfsio 50392 330411 0 0 3 0x14280 nfsidl nfsio 13741 276068 0 0 3 0x14280 nfsidl nfsio 7947 245947 0 0 3 0x14280 nfsidl nfsio 68476 415435 0 0 3 0x14280 nfsidl nfsio 9056 437733 0 0 3 0x14280 nfsidl nfsio 94241 79632 0 0 3 0x14280 nfsidl nfsio 68445 309452 0 0 3 0x14280 nfsidl nfsio 46136 54119 0 0 3 0x14280 nfsidl nfsio 94443 172089 0 0 3 0x14280 nfsidl nfsio 4162 464161 0 0 3 0x14280 nfsidl nfsio 93335 12866 0 0 3 0x14280 nfsidl nfsio 95911 393266 0 0 3 0x14280 nfsidl nfsio 31356 151913 0 0 3 0x14280 nfsidl nfsio 45033 172972 26050 0 2 0x482 syz-executor.6 51498 440060 0 0 3 0x14200 bored sosplice 26050 177633 73141 0 3 0x2000082 wait syz-fuzzer 26050 498022 73141 0 3 0x6000082 thrsleep syz-fuzzer 26050 203171 73141 0 3 0x6000082 wait syz-fuzzer 26050 323995 73141 0 3 0x6000082 wait syz-fuzzer 26050 346606 73141 0 3 0x6000082 thrsleep syz-fuzzer 26050 268096 73141 0 3 0x6000082 thrsleep syz-fuzzer 26050 102206 73141 0 3 0x6000082 wait syz-fuzzer 26050 476271 73141 0 3 0x6000082 wait syz-fuzzer 26050 14484 73141 0 3 0x6000082 kqread syz-fuzzer 26050 39265 73141 0 3 0x6000082 wait syz-fuzzer 26050 24522 73141 0 3 0x6000082 thrsleep syz-fuzzer 26050 273679 73141 0 3 0x6000082 wait syz-fuzzer 26050 255821 73141 0 3 0x6000082 wait syz-fuzzer 26050 409878 73141 0 3 0x6000082 thrsleep syz-fuzzer 73141 66327 72376 0 3 0x10008a sigsusp ksh 72376 352398 46596 0 3 0x9a kqread sshd 46596 297498 1 0 3 0x88 kqread sshd 25361 74725 43978 73 3 0x1100090 kqread syslogd 43978 95116 1 0 3 0x100082 netio syslogd 27103 472882 1 0 3 0x100080 kqread resolvd 80715 264391 23151 77 3 0x100092 kqread dhcpleased 69267 40627 23151 77 3 0x100092 kqread dhcpleased 23151 425412 1 0 3 0x80 kqread dhcpleased 19307 208757 0 0 2 0x14200 smr 14453 129448 0 0 2 0x14200 zerothread 48836 37108 0 0 3 0x14200 aiodoned aiodoned 88465 231507 0 0 3 0x14200 syncer update 20352 161449 0 0 3 0x14200 cleaner cleaner 83208 264384 0 0 3 0x14200 reaper reaper 84085 281615 0 0 3 0x14200 pgdaemon pagedaemon 37606 395815 0 0 3 0x14200 bored viomb 90817 402317 0 0 3 0x40014200 acpi0 acpi0 76859 445150 0 0 3 0x14200 bored softnet3 2718 97832 0 0 3 0x14200 bored softnet2 17252 413232 0 0 3 0x14200 bored softnet1 75864 309226 0 0 3 0x14200 bored softnet0 93075 45209 0 0 3 0x14200 bored systqmp 82338 434537 0 0 3 0x14200 bored systq *25365 56697 0 0 7 0x40014200 softclock 71339 16525 0 0 3 0x40014200 idle0 1 148592 0 0 3 0x80082 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 10280 6561K 9596K 166960K 60647 0 pcb 15 20K 22K 166960K 1668 0 rtable 184 13K 15K 166960K 6603 0 pf 30 9K 10K 166960K 961 0 ifaddr 35 13K 16K 166960K 938 0 ifgroup 51 2K 2K 166960K 1574 0 sysctl 3 1K 1K 166960K 15 0 counters 30 17K 17K 166960K 454 0 ioctlops 0 0K 2K 166960K 2083 0 iov 0 0K 32K 166960K 2990 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1874 117K 118K 166960K 18195 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 302 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 3268 0 dirhash 12 2K 2K 166960K 129 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 18 65K 97K 166960K 22775 0 sigio 0 0K 0K 166960K 620 0 proc 58 59K 108K 166960K 5149 0 subproc 104 6K 8K 166960K 2028 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1851 0 in_multi 67 5K 7K 166960K 1878 0 ether_multi 1 0K 0K 166960K 19 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 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 5002 0 pfkey data 0 0K 4K 166960K 10 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 621 939K 940K 166960K 205998 0 UVM aobj 131 7K 7K 166960K 134 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 598 0 NDP 11 0K 1K 166960K 752 0 temp 74 6764K 7396K 166960K 181827 0 kqueue 12 18K 30K 166960K 1676 0 SYN cache 2 192K 200K 166960K 4 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 1547 0 1544 11 8 3 3 0 8 2 rtentry 112 2272 0 2190 4 0 4 4 0 8 1 unpcb 144 15928 0 15908 35 29 6 10 0 8 5 syncache 336 248 0 248 6 5 1 1 0 8 1 tcpqe 32 319 0 319 6 5 1 1 0 8 1 tcpcb 808 7044 0 7020 64 53 11 19 0 8 8 arp 88 423 0 409 1 0 1 1 0 8 0 ipq 40 38 0 38 3 2 1 1 0 8 1 ipqe 40 137 0 137 3 2 1 1 0 8 1 inpcb 360 17769 0 17739 90 78 12 16 0 8 8 nd6 104 492 0 476 1 0 1 1 0 8 0 pkpcb 40 329 0 329 6 5 1 1 0 8 1 kcovpl 48 156 0 148 1 0 1 1 0 8 0 ppxss 1072 128 0 128 6 5 1 1 0 8 1 rttmr 136 2 0 2 1 0 1 1 0 8 1 pool(rttmr): free list modified: page 0xfffffd805722f000; item ordinal 0; addr 0xfffffd805722fe58 (p 0xfffffd805722f000); offset 0x10=0xffffffff art_heap8 4096 4 0 3 3 2 1 3 0 8 0 art_heap4 256 8116 0 7776 83 53 30 32 0 8 5 art_table 32 8120 0 7779 5 0 5 5 0 8 1 art_node 16 2112 0 2037 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 3262 0 3252 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 95 0 78 3 0 3 3 0 8 0 dino2pl 256 31906 0 30198 107 0 107 107 0 8 0 ffsino 240 31906 0 30198 101 0 101 101 0 8 0 nchpl 144 61721 0 60083 63 0 63 63 0 8 0 uvmvnodes 80 10387 0 0 212 0 212 212 0 8 0 vnodes 216 10387 0 0 578 0 578 578 0 8 0 namei 1024 224073 0 224073 7 5 2 3 0 8 2 vcpupl 2048 286 0 1 36 0 36 36 0 8 0 vmpool 664 326 0 41 24 0 24 24 0 8 0 kstatmem 264 870 0 848 2 0 2 2 0 8 0 scxspl 216 213340 0 213340 24 20 4 8 1 8 4 plimitpl 152 2350 0 2334 1 0 1 1 0 8 0 sigapl 424 23072 0 23006 11 3 8 8 0 8 0 futexpl 64 208528 0 208517 1 0 1 1 0 8 0 knotepl 120 212125 0 212041 41 30 11 16 0 8 8 kqueuepl 184 3936 0 3928 24 17 7 7 0 8 6 pipepl 288 3993 0 3965 32 25 7 8 0 8 4 fdescpl 432 22732 0 22703 5 1 4 5 0 8 0 filepl 120 143948 0 143695 49 33 16 21 0 8 7 lockfpl 104 7323 0 7321 6 4 2 2 0 8 1 lockfspl 48 2444 0 2442 1 0 1 1 0 8 0 sessionpl 144 177 0 161 1 0 1 1 0 8 0 pgrppl 48 457 0 441 1 0 1 1 0 8 0 ucredpl 104 21661 0 21644 1 0 1 1 0 8 0 zombiepl 144 23006 0 23006 3 2 1 1 0 8 1 processpl 1072 23072 0 23006 6 1 5 5 0 8 0 procpl 680 55475 0 55383 12 3 9 9 0 8 1 sosppl 168 219 0 219 5 4 1 1 0 8 1 sockpl 488 35641 0 35588 464 447 17 38 0 8 8 mcl64k 65536 981 0 981 7 6 1 1 0 8 1 mcl16k 16384 491 0 491 7 6 1 1 0 8 1 mcl12k 12288 906 0 906 7 6 1 1 0 8 1 mcl9k 9216 381 0 381 7 6 1 1 0 8 1 mcl8k 8192 1528 0 1528 8 7 1 2 0 8 1 mcl4k 4096 2417 0 2417 9 8 1 2 0 8 1 mcl2k2 2112 137 0 137 7 6 1 1 0 8 1 mcl2k 2048 121746 0 121701 54 37 17 29 0 8 8 mtagpl 96 3370 0 3277 27 20 7 10 0 8 2 mbufpl 256 406375 0 406111 1411 1382 29 416 0 8 6 bufpl 280 63449 0 53062 743 0 743 743 0 8 0 anonpl 24 2351490 0 2338812 259 143 116 151 0 188 8 amapchunkpl 152 663151 0 662236 117 72 45 62 0 158 8 amappl16 200 51694 0 51139 124 84 40 43 0 8 8 amappl15 192 178 0 177 1 0 1 1 0 8 0 amappl14 184 649 0 633 2 1 1 2 0 8 0 amappl13 176 39 0 39 4 3 1 1 0 8 1 amappl12 168 25508 0 25477 2 0 2 2 0 8 0 amappl11 160 55 0 45 1 0 1 1 0 8 0 amappl10 152 218 0 203 1 0 1 1 0 8 0 amappl9 144 238 0 238 3 2 1 1 0 8 1 amappl8 136 1035 0 910 5 0 5 5 0 8 0 amappl7 128 552 0 527 2 0 2 2 0 8 0 amappl6 120 2514 0 2502 1 0 1 1 0 8 0 amappl5 112 587 0 576 1 0 1 1 0 8 0 amappl4 104 1521 0 1492 2 1 1 2 0 8 0 amappl3 96 127268 0 127151 4 0 4 4 0 8 1 amappl2 88 24530 0 24454 3 1 2 3 0 8 0 amappl1 80 100018 0 99506 22 10 12 22 0 8 0 amappl 88 203768 0 203457 8 0 8 8 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 23058 0 22744 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 23058 0 22744 2 0 2 2 0 8 0 vmmpekpl 168 155984 0 155883 5 0 5 5 0 8 0 vmmpepl 168 1409839 0 1406937 280 113 167 167 0 357 23 vmsppl 352 23057 0 22744 29 0 29 29 0 8 0 rwobjpl 24 327964 0 315697 75 0 75 75 0 8 0 pdppl 4096 46122 0 45773 1497 1146 351 351 0 8 2 pvpl 32 6601143 0 6582427 579 363 216 363 0 265 27 pmappl 216 23057 0 22744 18 0 18 18 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3450 0 2740 28 7 21 24 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 softclock_thread(ffff80002a57d298) at softclock_thread+0xc4 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(ffff80002a57d298) at softclock_thread+0xc4 sys/kern/kern_timeout.c:814 end trace frame: 0x0, count: -2