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 rt_match(ffff80002db1b080,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002db1b080,0,1,0) at rt_match+0xc3 sys/net/route.c:358 ip_multicast_if(ffff80002db1b130,0,ffff80002db1b118) at ip_multicast_if+0xec sys/netinet/ip_output.c:1364 ip_setmoptions(c,fffffd806ef07d78,fffffd807e5a1900,0) at ip_setmoptions+0x378 sys/netinet/ip_output.c:1533 sosetopt(fffffd80693e39f0,0,c,fffffd807e5a1900) at sosetopt+0xe1 sys_setsockopt(ffff800032ba8d00,ffff80002db1b340,ffff80002db1b290) at sys_setsockopt+0x1d6 sys/kern/uipc_syscalls.c:1231 syscall(ffff80002db1b340) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4441f038e70, count: -8 ddb> show registers rdi 0xffff800000dd3800 rsi 0xb rbp 0xffff80002db1af60 rbx 0xffff800000e76df0 rdx 0xfffffd806b2de408 rcx 0xfffffd80794a75a0 rax 0xffff800032ba8d00 r8 0x100 r9 0xfffffd806b2de408 r10 0xd3fc8fc4f43c06b r11 0x4fb2900000000 r12 0xffff80002db1b018 r13 0 r14 0xfffffd806b2de408 r15 0xffff80002db1af78 rip 0xffffffff82551304 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002db1ae60 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (syz-executor.5) tid=152393 pid=255 tcnt=4 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=51, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff800032ba8030,0xffffffff82d7b9b0 process=0xffff80002a6ac020 user=0xffff80002db16000, vmspace=0xfffffd8066796c30 estcpu=2, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 30784 126878 66700 0 2 0x8100000 sh 255 184905 91229 0 2 0x8000000 syz-executor.5 255 345395 91229 0 2 0xc000000 syz-executor.5 255 445038 91229 0 2 0xc000000 syz-executor.5 * 255 152393 91229 0 7 0xc000000 syz-executor.5 66700 205537 18146 0 3 0x810008a sigsusp sh 18146 409873 44849 0 3 0x8000082 wait syz-executor.2 6478 59817 16431 0 2 0x8000000 syz-executor.4 6478 313771 16431 0 3 0xc000080 bell syz-executor.4 17265 106370 24185 0 2 0x8000000 syz-executor.6 20409 200770 44849 0 2 0x8000002 syz-executor.0 86756 102533 44849 0 2 0x8000002 syz-executor.3 88174 455265 44849 0 2 0x8000002 syz-executor.7 24185 403563 44849 0 2 0x8000002 syz-executor.6 16431 484685 44849 0 3 0x8000082 nanoslp syz-executor.4 25057 248554 4532 0 3 0x18100082 netio arp 4532 12111 1 0 3 0x810008a sigsusp sh 91229 74733 44849 0 3 0x8000082 nanoslp syz-executor.5 68892 476600 1 0 3 0x18100083 ttyin getty 55906 478258 0 0 3 0x14200 acct acct 75611 278503 85519 0 3 0x18100082 netio arp 85519 84684 1 0 3 0x810008a sigsusp sh 42640 407973 0 0 3 0x14200 bored sosplice 44849 424546 71991 0 3 0x1a000082 wait syz-fuzzer 44849 484770 71991 0 3 0x1e000082 nanoslp syz-fuzzer 44849 86670 71991 0 3 0x1e000082 thrsleep syz-fuzzer 44849 184040 71991 0 3 0x1e000082 wait syz-fuzzer 44849 119832 71991 0 3 0x1e000082 thrsleep syz-fuzzer 44849 103989 71991 0 3 0x1e000082 kqread syz-fuzzer 44849 304707 71991 0 3 0x1e000082 wait syz-fuzzer 44849 309325 71991 0 3 0x1e000082 thrsleep syz-fuzzer 44849 490482 71991 0 3 0x1e000082 wait syz-fuzzer 44849 219562 71991 0 3 0x1e000082 wait syz-fuzzer 44849 403282 71991 0 3 0x1e000082 thrsleep syz-fuzzer 44849 158346 71991 0 3 0x1e000082 wait syz-fuzzer 44849 119911 71991 0 3 0x1e000082 wait syz-fuzzer 44849 174729 71991 0 3 0x1e000082 thrsleep syz-fuzzer 71991 19860 64035 0 3 0x810008a sigsusp ksh 64035 244131 86274 0 3 0x1800009a kqread sshd 86274 271203 1 0 3 0x18000088 kqread sshd 26841 51955 35089 73 2 0x19100010 syslogd 35089 351495 1 0 3 0x18100082 sbwait syslogd 37551 459241 1 0 3 0x18100080 kqread resolvd 10863 210252 26164 77 3 0x18100092 kqread dhcpleased 38203 506245 26164 77 3 0x18100092 kqread dhcpleased 26164 295711 1 0 3 0x18000080 kqread dhcpleased 52518 343246 0 0 3 0x14200 bored smr 54445 421505 0 0 2 0x14200 zerothread 4076 434663 0 0 3 0x14200 aiodoned aiodoned 40173 373857 0 0 3 0x14200 syncer update 50264 77024 0 0 3 0x14200 cleaner cleaner 94690 370106 0 0 3 0x14200 reaper reaper 34377 12835 0 0 3 0x14200 pgdaemon pagedaemon 80352 370576 0 0 3 0x14200 bored viomb 21653 439737 0 0 3 0x40014200 acpi0 acpi0 93334 42256 0 0 3 0x14200 bored softnet3 15163 485704 0 0 3 0x14200 bored softnet2 37255 410268 0 0 3 0x14200 bored softnet1 83302 107005 0 0 3 0x14200 bored softnet0 25358 169698 0 0 3 0x14200 bored systqmp 72295 64911 0 0 3 0x14200 bored systq 7250 137542 0 0 3 0x40014200 tmoslp softclock 70788 371857 0 0 3 0x40014200 idle0 1 48964 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 10173 6411K 7057K 166960K 13972 0 pcb 17 13K 13K 166960K 236 0 rtable 203 6K 7K 166960K 3195 0 pf 31 9K 9K 166960K 229 0 ifaddr 40 11K 12K 166960K 404 0 ifgroup 54 2K 2K 166960K 438 0 sysctl 1 0K 0K 166960K 1 0 counters 31 17K 17K 166960K 125 0 ioctlops 0 0K 2K 166960K 341 0 iov 0 0K 16K 166960K 58 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1401 88K 89K 166960K 3805 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 19 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 13 0 dirhash 12 2K 2K 166960K 60 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 18 65K 109K 166960K 2991 0 sigio 0 0K 0K 166960K 26 0 proc 58 59K 124K 166960K 3009 0 subproc 117 7K 8K 166960K 1469 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 92 0 in_multi 70 5K 7K 166960K 1033 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 6 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 1902 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 274 79K 91K 166960K 23610 0 UVM aobj 34 2K 2K 166960K 36 0 pinsyscall 40 80K 103K 166960K 6462 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 141 0 NDP 17 0K 2K 166960K 288 0 temp 74 6807K 6936K 166960K 69105 0 kqueue 12 18K 26K 166960K 190 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 120 349 0 344 1 0 1 1 0 8 0 rtentry 112 1165 0 1072 4 0 4 4 0 8 0 unpcb 144 1110 0 1097 4 0 4 4 0 8 3 syncache 336 4 0 4 1 0 1 1 0 8 1 sackhl 24 3 3 3 1 0 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 808 374 0 369 2 0 2 2 0 8 1 arp 88 219 0 202 1 0 1 1 0 8 0 ipq 40 3 0 3 1 0 1 1 0 8 1 ipqe 40 5 0 5 1 0 1 1 0 8 1 inpcb 352 1933 0 1924 7 0 7 7 0 8 6 nd6 104 278 0 263 1 0 1 1 0 8 0 pkpcb 40 17 0 17 1 0 1 1 0 8 1 kcovpl 48 113 0 104 1 0 1 1 0 8 0 ppxss 1072 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 4 0 1 3 0 3 3 0 8 0 art_heap4 256 4305 0 3948 89 64 25 30 0 8 1 art_table 32 4309 0 3949 4 0 4 4 0 8 0 art_node 16 1157 0 1078 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 11 0 1 1 0 1 1 0 8 0 shmpl 112 33 0 2 1 0 1 1 0 8 0 dirhash 1024 49 0 32 3 0 3 3 0 8 0 dino2pl 256 4564 0 3054 96 0 96 96 0 8 0 ffsino 240 4564 0 3054 90 0 90 90 0 8 0 nchpl 144 7729 0 6001 66 0 66 66 0 8 0 uvmvnodes 80 6657 0 0 136 0 136 136 0 8 0 vnodes 216 6657 0 0 370 0 370 370 0 8 0 namei 1024 34474 0 34473 3 0 3 3 0 8 2 vcpupl 3904 6 0 0 1 0 1 1 0 8 0 vmpool 664 31 0 25 1 0 1 1 0 8 0 kstatmem 264 212 0 188 2 0 2 2 0 8 0 scsiplug 72 7 0 7 1 0 1 1 0 8 1 scxspl 216 62854 0 62854 8 0 8 8 1 8 8 plimitpl 152 325 0 309 1 0 1 1 0 8 0 sigapl 424 3105 0 3058 9 0 9 9 0 8 1 futexpl 64 25639 0 25639 1 0 1 1 0 8 1 knotepl 120 32149 0 32061 23 11 12 18 0 8 8 kqueuepl 184 485 0 477 3 0 3 3 0 8 2 pipepl 288 638 0 607 3 0 3 3 0 8 0 fdescpl 432 3062 0 3033 5 0 5 5 0 8 1 filepl 120 15151 0 14894 13 0 13 13 0 8 4 lockfpl 104 440 0 438 1 0 1 1 0 8 0 lockfspl 48 204 0 202 1 0 1 1 0 8 0 sessionpl 144 116 0 99 1 0 1 1 0 8 0 pgrppl 48 131 0 114 1 0 1 1 0 8 0 ucredpl 104 1420 0 1410 1 0 1 1 0 8 0 zombiepl 144 3058 0 3058 1 0 1 1 0 8 1 processpl 1072 3105 0 3058 6 0 6 6 0 8 0 procpl 656 5150 0 5086 9 0 9 9 0 8 2 sosppl 168 44 0 44 1 0 1 1 0 8 1 sockpl 504 3413 0 3386 14 2 12 13 0 8 8 mcl12k 12288 6 0 6 1 0 1 1 0 8 1 mcl9k 9216 12 0 12 1 0 1 1 0 8 1 mcl8k 8192 60 0 60 1 0 1 1 0 8 1 mcl4k 4096 17 0 17 1 0 1 1 0 8 1 mcl2k 2048 31176 0 31085 40 20 20 40 0 8 7 mtagpl 96 108 0 107 2 0 2 2 0 8 1 mbufpl 256 101726 0 101558 25 5 20 21 0 8 5 bufpl 280 11504 0 2532 642 0 642 642 0 8 0 anonpl 24 482414 0 476433 71 0 71 71 0 188 17 amapchunkpl 152 76482 0 75877 41 0 41 41 0 158 10 amappl16 200 8516 0 8423 10 0 10 10 0 8 3 amappl15 192 15 0 15 1 0 1 1 0 8 1 amappl14 184 450 0 437 2 0 2 2 0 8 1 amappl13 176 15 0 15 1 0 1 1 0 8 1 amappl12 168 4987 0 4954 3 0 3 3 0 8 0 amappl11 160 51 0 41 1 0 1 1 0 8 0 amappl10 152 150 0 142 1 0 1 1 0 8 0 amappl9 144 147 0 147 1 0 1 1 0 8 1 amappl8 136 301 0 267 2 0 2 2 0 8 0 amappl7 128 65 0 49 1 0 1 1 0 8 0 amappl6 120 1585 0 1567 2 0 2 2 0 8 1 amappl5 112 519 0 506 1 0 1 1 0 8 0 amappl4 104 1141 0 1106 2 0 2 2 0 8 0 amappl3 96 14023 0 13957 3 0 3 3 0 8 0 amappl2 88 3680 0 3606 4 0 4 4 0 8 2 amappl1 80 23852 0 23313 22 3 19 22 0 8 5 amappl 88 22410 0 22234 6 0 6 6 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 35 0 2 1 0 1 1 0 8 0 uaddrrnd 24 3093 0 3058 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3093 0 3058 1 0 1 1 0 8 0 vmmpekpl 168 26723 0 26659 4 0 4 4 0 8 0 vmmpepl 168 225488 0 223686 114 0 114 114 0 357 27 vmsppl 344 3092 0 3058 4 0 4 4 0 8 0 rwobjpl 24 61601 0 53812 48 0 48 48 0 8 1 pdppl 4096 6192 0 6122 280 206 74 86 0 8 4 pvpl 32 1438311 0 1426340 391 43 348 391 0 265 230 pmappl 216 3092 0 3058 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 654 0 297 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 rt_match(ffff80002db1b080,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002db1b080,0,1,0) at rt_match+0xc3 sys/net/route.c:358 ip_multicast_if(ffff80002db1b130,0,ffff80002db1b118) at ip_multicast_if+0xec sys/netinet/ip_output.c:1364 ip_setmoptions(c,fffffd806ef07d78,fffffd807e5a1900,0) at ip_setmoptions+0x378 sys/netinet/ip_output.c:1533 sosetopt(fffffd80693e39f0,0,c,fffffd807e5a1900) at sosetopt+0xe1 sys_setsockopt(ffff800032ba8d00,ffff80002db1b340,ffff80002db1b290) at sys_setsockopt+0x1d6 sys/kern/uipc_syscalls.c:1231 syscall(ffff80002db1b340) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4441f038e70, count: -8 ddb> machine ddbcpu 1 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 rt_match(ffff80002db1b080,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002db1b080,0,1,0) at rt_match+0xc3 sys/net/route.c:358 ip_multicast_if(ffff80002db1b130,0,ffff80002db1b118) at ip_multicast_if+0xec sys/netinet/ip_output.c:1364 ip_setmoptions(c,fffffd806ef07d78,fffffd807e5a1900,0) at ip_setmoptions+0x378 sys/netinet/ip_output.c:1533 sosetopt(fffffd80693e39f0,0,c,fffffd807e5a1900) at sosetopt+0xe1 sys_setsockopt(ffff800032ba8d00,ffff80002db1b340,ffff80002db1b290) at sys_setsockopt+0x1d6 sys/kern/uipc_syscalls.c:1231 syscall(ffff80002db1b340) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4441f038e70, count: -8