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(ffff800037a4d7e0,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff800037a4d7e0,0,1,0) at rt_match+0xc3 sys/net/route.c:358 ip_multicast_if(ffff800037a4d890,0,ffff800037a4d878) at ip_multicast_if+0xec sys/netinet/ip_output.c:1364 ip_setmoptions(c,fffffd8079d64ed8,fffffd806817a400,0) at ip_setmoptions+0x378 sys/netinet/ip_output.c:1533 sosetopt(fffffd805c209c08,0,c,fffffd806817a400) at sosetopt+0xe1 sys_setsockopt(ffff80002daf6040,ffff800037a4daa0,ffff800037a4d9f0) at sys_setsockopt+0x1d6 sys/kern/uipc_syscalls.c:1231 syscall(ffff800037a4daa0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9d861077580, count: -8 ddb> show registers rdi 0xffff800000e54800 rsi 0xb rbp 0xffff800037a4d6c0 rbx 0xffff800000e591b0 rdx 0xfffffd806865be88 rcx 0x6f2 rax 0xffffffff824215b5 rtrequest+0x9b5 r8 0x100 r9 0xfffffd806865be88 r10 0x32201d8c1667ed5b r11 0x99da90002fd09 r12 0xffff800037a4d778 r13 0 r14 0xfffffd806865be88 r15 0xffff800037a4d6d8 rip 0xffffffff82305304 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800037a4d5c0 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (syz-executor.7) tid=339849 pid=43980 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002daf62d0,0xffff80002daf6800 process=0xffff80002db39518 user=0xffff800037a48000, vmspace=0xfffffd80695ee978 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 37635 68802 33896 0 2 0x8000000 syz-executor.3 37635 319252 33896 0 3 0xc000080 fsleep syz-executor.3 43980 316530 32053 0 2 0x8000000 syz-executor.7 *43980 339849 32053 0 7 0xc000000 syz-executor.7 83577 164935 91941 0 3 0x8000080 nanoslp syz-executor.5 83577 160647 91941 0 3 0xc000080 bell syz-executor.5 83577 156995 91941 0 3 0xc000080 fsleep syz-executor.5 40585 208218 90858 0 3 0x18100082 netio arp 90858 37556 89460 0 3 0x810008a sigsusp sh 33896 480978 8446 0 3 0x8000082 nanoslp syz-executor.3 89460 428444 8446 0 3 0x8000082 wait syz-executor.4 32053 429780 8446 0 2 0x8000482 syz-executor.7 91941 426402 8446 0 2 0x8000482 syz-executor.5 64241 105624 8446 0 3 0x8000082 nanoslp syz-executor.1 7809 236197 8446 0 3 0x8000082 wait syz-executor.6 34611 393290 8446 0 2 0x8000482 syz-executor.0 75469 270274 1 0 3 0x18100083 ttyin getty 28169 242375 0 0 3 0x14200 bored sosplice 8446 440621 74931 0 3 0x1a000082 wait syz-fuzzer 8446 27974 74931 0 3 0x1e000082 thrsleep syz-fuzzer 8446 341006 74931 0 3 0x1e000082 thrsleep syz-fuzzer 8446 281322 74931 0 3 0x1e000082 thrsleep syz-fuzzer 8446 149101 74931 0 3 0x1e000082 wait syz-fuzzer 8446 135841 74931 0 3 0x1e000082 wait syz-fuzzer 8446 431057 74931 0 3 0x1e000082 wait syz-fuzzer 8446 437272 74931 0 3 0x1e000082 wait syz-fuzzer 8446 499068 74931 0 3 0x1e000082 kqread syz-fuzzer 8446 213396 74931 0 3 0x1e000082 wait syz-fuzzer 8446 375919 74931 0 3 0x1e000082 thrsleep syz-fuzzer 8446 43310 74931 0 3 0x1e000082 wait syz-fuzzer 8446 184996 74931 0 3 0x1e000082 wait syz-fuzzer 8446 227175 74931 0 3 0x1e000082 thrsleep syz-fuzzer 8446 92230 74931 0 3 0x1e000082 thrsleep syz-fuzzer 74931 63169 78453 0 3 0x810008a sigsusp ksh 78453 339225 79179 0 3 0x1800009a kqread sshd 79179 9956 1 0 3 0x18000088 kqread sshd 27627 387965 63352 73 2 0x19100010 syslogd 63352 510511 1 0 3 0x18100082 sbwait syslogd 49961 420852 1 0 3 0x18100080 kqread resolvd 4410 93307 39981 77 3 0x18100092 kqread dhcpleased 14423 374369 39981 77 3 0x18100092 kqread dhcpleased 39981 514965 1 0 3 0x18000080 kqread dhcpleased 37180 200150 0 0 3 0x14200 bored smr 92634 499341 0 0 2 0x14200 zerothread 6680 217679 0 0 3 0x14200 aiodoned aiodoned 78193 361519 0 0 3 0x14200 syncer update 52846 140826 0 0 3 0x14200 cleaner cleaner 71591 431709 0 0 3 0x14200 reaper reaper 16262 52039 0 0 3 0x14200 pgdaemon pagedaemon 88605 245312 0 0 3 0x14200 bored viomb 29551 487182 0 0 3 0x40014200 acpi0 acpi0 13846 206190 0 0 3 0x14200 bored softnet3 64576 254324 0 0 3 0x14200 bored softnet2 49108 228513 0 0 3 0x14200 bored softnet1 40117 91211 0 0 3 0x14200 bored softnet0 29468 357246 0 0 3 0x14200 bored systqmp 75676 55435 0 0 3 0x14200 bored systq 9313 327347 0 0 2 0x40014200 softclock 99161 81016 0 0 3 0x40014200 idle0 1 454110 0 0 3 0x8080082 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 10187 6432K 7073K 166960K 17113 0 pcb 17 17K 22K 166960K 720 0 rtable 217 7K 9K 166960K 4276 0 pf 33 9K 9K 166960K 334 0 ifaddr 43 13K 14K 166960K 548 0 ifgroup 58 2K 2K 166960K 619 0 sysctl 4 1K 1K 166960K 11 0 counters 32 17K 17K 166960K 172 0 ioctlops 0 0K 2K 166960K 343 0 iov 0 0K 16K 166960K 162 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1465 92K 93K 166960K 5352 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 91 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 371 0 dirhash 12 2K 2K 166960K 51 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 109K 166960K 4768 0 sigio 0 0K 0K 166960K 153 0 proc 58 59K 124K 166960K 4012 0 subproc 104 6K 8K 166960K 1775 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 512 0 in_multi 80 6K 7K 166960K 1491 0 ether_multi 1 0K 0K 166960K 34 0 mrt 1 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 2152 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 305 140K 142K 166960K 37717 0 UVM aobj 133 4K 4K 166960K 145 0 pinsyscall 37 74K 103K 166960K 9032 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 194 0 NDP 13 0K 2K 166960K 395 0 temp 78 6812K 6940K 166960K 205851 0 kqueue 12 18K 30K 166960K 477 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 120 748 0 744 3 0 3 3 0 8 2 rtentry 112 1531 0 1434 4 0 4 4 0 8 1 unpcb 144 2384 0 2369 4 0 4 4 0 8 3 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 808 1036 0 1031 8 0 8 8 0 8 7 arp 88 299 0 282 1 0 1 1 0 8 0 ipq 40 7 0 6 1 0 1 1 0 8 0 ipqe 40 53 0 52 1 0 1 1 0 8 0 inpcb 352 4051 0 4037 11 1 10 11 0 8 8 nd6 104 385 0 367 1 0 1 1 0 8 0 pkpcb 40 31 0 31 1 0 1 1 0 8 1 kcovpl 48 136 0 128 1 0 1 1 0 8 0 ppxss 1072 10 0 10 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 5778 0 5390 75 50 25 30 0 8 0 art_table 32 5779 0 5390 4 0 4 4 0 8 0 art_node 16 1516 0 1428 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 11 1 0 1 1 0 8 0 semapl 112 369 0 359 1 0 1 1 0 8 0 shmpl 112 142 0 14 4 0 4 4 0 8 0 dirhash 1024 43 0 26 3 0 3 3 0 8 0 dino2pl 256 6854 0 5342 96 0 96 96 0 8 1 ffsino 240 6854 0 5342 90 0 90 90 0 8 0 nchpl 144 12537 0 11938 66 34 32 66 0 8 8 uvmvnodes 80 8628 0 0 177 0 177 177 0 8 0 vnodes 216 8628 0 0 480 0 480 480 0 8 0 namei 1024 52153 0 52153 2 0 2 2 0 8 2 vcpupl 3904 29 0 0 4 0 4 4 0 8 0 vmpool 664 63 0 34 3 0 3 3 0 8 0 kstatmem 264 306 0 280 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 87291 0 87291 8 0 8 8 1 8 8 plimitpl 152 672 0 656 1 0 1 1 0 8 0 sigapl 424 4836 0 4790 9 0 9 9 0 8 2 futexpl 64 53808 0 53806 1 0 1 1 0 8 0 knotepl 120 12680 0 12596 11 0 11 11 0 8 7 kqueuepl 184 858 0 850 2 0 2 2 0 8 1 pipepl 288 1058 0 1031 3 0 3 3 0 8 0 fdescpl 432 4796 0 4769 5 0 5 5 0 8 1 filepl 120 26765 0 26516 14 0 14 14 0 8 6 lockfpl 104 928 0 926 1 0 1 1 0 8 0 lockfspl 48 369 0 367 1 0 1 1 0 8 0 sessionpl 144 147 0 131 1 0 1 1 0 8 0 pgrppl 48 235 0 219 1 0 1 1 0 8 0 ucredpl 104 3281 0 3269 1 0 1 1 0 8 0 zombiepl 144 4794 0 4790 1 0 1 1 0 8 0 processpl 1072 4836 0 4790 6 0 6 6 0 8 0 procpl 656 8508 0 8444 9 0 9 9 0 8 2 sosppl 168 41 0 41 1 0 1 1 0 8 1 sockpl 504 7268 0 7235 18 5 13 17 0 8 8 mcl64k 65536 7 0 7 1 0 1 1 0 8 1 mcl16k 16384 4 0 4 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 73 0 73 1 0 1 1 0 8 1 mcl4k 4096 16 0 16 1 0 1 1 0 8 1 mcl2k 2048 43335 0 43233 41 20 21 35 0 8 7 mtagpl 96 178 0 174 1 0 1 1 0 8 0 mbufpl 256 121310 0 121122 183 161 22 147 0 8 6 bufpl 280 16069 0 7440 617 0 617 617 0 8 0 anonpl 24 600187 0 594146 70 0 70 70 0 188 10 amapchunkpl 152 119641 0 118968 43 0 43 43 0 158 13 amappl16 200 11003 0 10892 33 18 15 19 0 8 7 amappl15 192 7 0 7 1 0 1 1 0 8 1 amappl14 184 653 0 639 2 0 2 2 0 8 1 amappl13 176 9 0 8 1 0 1 1 0 8 0 amappl12 168 7176 0 7145 3 0 3 3 0 8 0 amappl11 160 51 0 41 1 0 1 1 0 8 0 amappl10 152 169 0 160 1 0 1 1 0 8 0 amappl9 144 150 0 149 1 0 1 1 0 8 0 amappl8 136 503 0 471 2 0 2 2 0 8 0 amappl7 128 63 0 48 1 0 1 1 0 8 0 amappl6 120 1851 0 1836 2 0 2 2 0 8 1 amappl5 112 634 0 622 1 0 1 1 0 8 0 amappl4 104 1246 0 1215 2 0 2 2 0 8 1 amappl3 96 22323 0 22235 3 0 3 3 0 8 0 amappl2 88 5500 0 5426 4 0 4 4 0 8 2 amappl1 80 31264 0 30749 22 2 20 22 0 8 6 amappl 88 36157 0 35957 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 72 144 0 12 3 0 3 3 0 8 0 uaddrrnd 24 4859 0 4803 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4859 0 4803 1 0 1 1 0 8 0 vmmpekpl 168 38557 0 38489 4 0 4 4 0 8 0 vmmpepl 168 327233 0 325397 113 0 113 113 0 357 24 vmsppl 344 4858 0 4803 6 0 6 6 0 8 0 rwobjpl 24 84867 0 74985 60 0 60 60 0 8 0 pdppl 4096 9724 0 9635 440 343 97 105 0 8 8 pvpl 32 1820861 0 1808856 375 29 346 375 0 265 217 pmappl 216 4858 0 4803 4 0 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 968 0 579 15 0 15 15 0 8 2 ddb> machine ddbcpu 0 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 rt_match(ffff800037a4d7e0,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff800037a4d7e0,0,1,0) at rt_match+0xc3 sys/net/route.c:358 ip_multicast_if(ffff800037a4d890,0,ffff800037a4d878) at ip_multicast_if+0xec sys/netinet/ip_output.c:1364 ip_setmoptions(c,fffffd8079d64ed8,fffffd806817a400,0) at ip_setmoptions+0x378 sys/netinet/ip_output.c:1533 sosetopt(fffffd805c209c08,0,c,fffffd806817a400) at sosetopt+0xe1 sys_setsockopt(ffff80002daf6040,ffff800037a4daa0,ffff800037a4d9f0) at sys_setsockopt+0x1d6 sys/kern/uipc_syscalls.c:1231 syscall(ffff800037a4daa0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9d861077580, count: -8 ddb> machine ddbcpu 1 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 rt_match(ffff800037a4d7e0,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff800037a4d7e0,0,1,0) at rt_match+0xc3 sys/net/route.c:358 ip_multicast_if(ffff800037a4d890,0,ffff800037a4d878) at ip_multicast_if+0xec sys/netinet/ip_output.c:1364 ip_setmoptions(c,fffffd8079d64ed8,fffffd806817a400,0) at ip_setmoptions+0x378 sys/netinet/ip_output.c:1533 sosetopt(fffffd805c209c08,0,c,fffffd806817a400) at sosetopt+0xe1 sys_setsockopt(ffff80002daf6040,ffff800037a4daa0,ffff800037a4d9f0) at sys_setsockopt+0x1d6 sys/kern/uipc_syscalls.c:1231 syscall(ffff800037a4daa0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9d861077580, count: -8