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(ffff80002c135890,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002c135890,0,1,0) at rt_match+0xc3 sys/net/route.c:358 ip_multicast_if(ffff80002c135940,0,ffff80002c135928) at ip_multicast_if+0xec sys/netinet/ip_output.c:1364 ip_setmoptions(c,fffffd80680e0130,fffffd807135c000,0) at ip_setmoptions+0x378 sys/netinet/ip_output.c:1533 sosetopt(fffffd8062a92428,0,c,fffffd807135c000) at sosetopt+0xe1 sys_setsockopt(ffff80002a6c6558,ffff80002c135b50,ffff80002c135aa0) at sys_setsockopt+0x1d6 sys/kern/uipc_syscalls.c:1231 syscall(ffff80002c135b50) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x254d38f2a50, count: -8 ddb> show registers rdi 0xffff800000dd6800 rsi 0xb rbp 0xffff80002c135770 rbx 0xffff8000006baa80 rdx 0xfffffd806986f7f0 rcx 0x446 rax 0xffffffff817e1695 rtrequest+0x9b5 r8 0x100 r9 0xfffffd806986f7f0 r10 0x698b1d6479a1e2e9 r11 0x4fb2900000000 r12 0xffff80002c135828 r13 0 r14 0xfffffd806986f7f0 r15 0xffff80002c135788 rip 0xffffffff82551304 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002c135670 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb> show proc PROC (syz-executor.2) tid=518087 pid=7456 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=51, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a6c7748,0xffff80002a6c62d8 process=0xffff800030f88cb0 user=0xffff80002c130000, vmspace=0xfffffd807df8ac20 estcpu=1, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 18973 384159 20187 0 2 0x8001006 ndp 48735 356701 31343 0 2 0x8000000 syz-executor.4 48735 29735 31343 0 3 0xc000080 fsleep syz-executor.4 20187 502756 72694 0 3 0x810008a sigsusp sh 7456 257763 350 0 2 0x8000000 syz-executor.2 * 7456 518087 350 0 7 0xc000000 syz-executor.2 22565 181713 3237 0 2 0x8100002 sh 31200 317079 32446 0 2 0x8100002 sh 90026 189196 85319 0 2 0x8000002 syz-executor.3 350 228785 85319 0 3 0x8000082 nanoslp syz-executor.2 3237 306929 85319 0 3 0x8000082 wait syz-executor.7 32446 329472 85319 0 3 0x8000082 wait syz-executor.5 72694 220302 85319 0 3 0x8000082 wait syz-executor.6 31343 63664 85319 0 3 0x8000082 nanoslp syz-executor.4 46462 507537 85319 0 2 0x8000002 syz-executor.1 91419 125063 85319 0 2 0x8000002 syz-executor.0 50113 457646 1 0 3 0x18100083 ttyin getty 92557 516208 1 0 3 0x8000080 fsleep syz-executor.3 92557 365246 1 0 3 0xc000080 ttyin syz-executor.3 74224 229864 0 0 3 0x14280 nfsidl nfsio 42910 64899 0 0 3 0x14280 nfsidl nfsio 70711 38535 0 0 3 0x14280 nfsidl nfsio 94607 427099 0 0 3 0x14280 nfsidl nfsio 7993 475547 0 0 3 0x14280 nfsidl nfsio 79241 273770 0 0 3 0x14280 nfsidl nfsio 59040 270331 0 0 3 0x14280 nfsidl nfsio 21655 236215 0 0 3 0x14280 nfsidl nfsio 8607 329813 0 0 3 0x14280 nfsidl nfsio 5046 261682 0 0 3 0x14280 nfsidl nfsio 9355 283203 0 0 3 0x14280 nfsidl nfsio 91665 285246 0 0 3 0x14280 nfsidl nfsio 11215 382154 0 0 3 0x14280 nfsidl nfsio 19999 118546 0 0 3 0x14280 nfsidl nfsio 30355 196401 0 0 3 0x14280 nfsidl nfsio 19818 234277 0 0 3 0x14280 nfsidl nfsio 41691 434590 0 0 3 0x14280 nfsidl nfsio 19498 72072 0 0 3 0x14280 nfsidl nfsio 82400 34532 0 0 3 0x14280 nfsidl nfsio 34405 450896 0 0 3 0x14280 nfsidl nfsio 10514 493751 1 0 3 0x8000080 fsleep syz-executor.7 10514 53120 1 0 3 0xc000080 fifor syz-executor.7 19178 388006 0 0 3 0x14200 bored sosplice 85319 287968 37474 0 3 0x1a000082 wait syz-fuzzer 85319 186415 37474 0 2 0x1e000002 syz-fuzzer 85319 382386 37474 0 3 0x1e000082 wait syz-fuzzer 85319 331514 37474 0 3 0x1e000082 thrsleep syz-fuzzer 85319 327086 37474 0 3 0x1e000082 wait syz-fuzzer 85319 243849 37474 0 3 0x1e000082 wait syz-fuzzer 85319 423420 37474 0 3 0x1e000082 thrsleep syz-fuzzer 85319 342286 37474 0 3 0x1e000082 wait syz-fuzzer 85319 212415 37474 0 3 0x1e000082 kqread syz-fuzzer 85319 285394 37474 0 3 0x1e000082 wait syz-fuzzer 85319 165638 37474 0 3 0x1e000082 thrsleep syz-fuzzer 85319 307699 37474 0 3 0x1e000082 thrsleep syz-fuzzer 85319 80766 37474 0 3 0x1e000082 wait syz-fuzzer 85319 35625 37474 0 3 0x1e000082 wait syz-fuzzer 37474 80426 25381 0 3 0x810008a sigsusp ksh 25381 49277 28878 0 3 0x1800009a kqread sshd 28878 15902 1 0 3 0x18000088 kqread sshd 54089 181486 88533 73 2 0x19100010 syslogd 88533 62504 1 0 3 0x18100082 sbwait syslogd 64719 7369 1 0 3 0x18100080 kqread resolvd 42060 422592 22374 77 3 0x18100092 kqread dhcpleased 82408 100017 22374 77 3 0x18100092 kqread dhcpleased 22374 321963 1 0 3 0x18000080 kqread dhcpleased 96900 256207 0 0 3 0x14200 bored smr 33453 127893 0 0 2 0x14200 zerothread 46371 316619 0 0 3 0x14200 aiodoned aiodoned 5545 460169 0 0 3 0x14200 syncer update 71813 204678 0 0 3 0x14200 cleaner cleaner 92924 406922 0 0 3 0x14200 reaper reaper 37127 250231 0 0 3 0x14200 pgdaemon pagedaemon 91992 169464 0 0 3 0x14200 bored viomb 89341 57837 0 0 3 0x40014200 acpi0 acpi0 45053 448190 0 0 3 0x14200 bored softnet3 67209 347101 0 0 3 0x14200 bored softnet2 85241 282208 0 0 3 0x14200 bored softnet1 17881 12860 0 0 3 0x14200 bored softnet0 70672 438122 0 0 3 0x14200 bored systqmp 74853 312553 0 0 3 0x14200 bored systq 80043 408996 0 0 3 0x40014200 tmoslp softclock 14818 251464 0 0 3 0x40014200 idle0 1 381296 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 10175 6484K 7069K 166960K 13276 0 pcb 18 12K 12K 166960K 181 0 rtable 211 6K 7K 166960K 909 0 pf 29 8K 9K 166960K 88 0 ifaddr 41 11K 11K 166960K 116 0 ifgroup 50 2K 2K 166960K 161 0 sysctl 3 1K 1K 166960K 3 0 counters 30 17K 17K 166960K 55 0 ioctlops 0 0K 2K 166960K 138 0 iov 0 0K 28K 166960K 69 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1492 94K 94K 166960K 2469 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 34 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 137 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 18 65K 97K 166960K 1497 0 sigio 0 0K 0K 166960K 52 0 proc 58 59K 116K 166960K 970 0 subproc 130 8K 8K 166960K 312 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 173 0 in_multi 80 6K 7K 166960K 276 0 ether_multi 1 0K 0K 166960K 8 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 1 0K 1K 166960K 743 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 273 100K 111K 166960K 14494 0 UVM aobj 65 7K 7K 166960K 69 0 pinsyscall 38 76K 100K 166960K 3009 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 57 0 NDP 23 1K 1K 166960K 76 0 temp 84 6812K 6892K 166960K 41879 0 kqueue 12 18K 28K 166960K 219 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 120 225 0 222 1 0 1 1 0 8 0 rtentry 112 316 0 219 4 0 4 4 0 8 1 unpcb 144 839 0 823 2 0 2 2 0 8 1 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 808 368 0 363 5 0 5 5 0 8 4 arp 88 60 0 42 1 0 1 1 0 8 0 inpcb 352 1228 0 1218 5 0 5 5 0 8 3 nd6 104 85 0 68 1 0 1 1 0 8 0 pkpcb 40 26 0 26 1 0 1 1 0 8 1 kcovpl 48 24 0 14 1 0 1 1 0 8 0 ppxss 1072 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1268 0 879 32 6 26 32 0 8 1 art_table 32 1269 0 879 5 0 5 5 0 8 1 art_node 16 314 0 226 1 0 1 1 0 8 0 sysvmsgpl 40 36 0 20 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 131 0 121 1 0 1 1 0 8 0 shmpl 112 66 0 4 2 0 2 2 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 3550 0 2041 96 0 96 96 0 8 0 ffsino 240 3550 0 2041 90 0 90 90 0 8 0 nchpl 144 5756 0 5167 66 33 33 66 0 8 8 uvmvnodes 80 4503 0 0 92 0 92 92 0 8 0 vnodes 216 4503 0 0 251 0 251 251 0 8 0 namei 1024 19990 0 19986 3 0 3 3 0 8 2 vcpupl 3904 5 0 0 1 0 1 1 0 8 0 vmpool 664 21 0 16 1 0 1 1 0 8 0 kstatmem 264 72 0 50 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 26298 0 26298 8 0 8 8 1 8 8 plimitpl 152 294 0 276 1 0 1 1 0 8 0 sigapl 424 1791 0 1725 9 0 9 9 0 8 0 futexpl 64 20696 0 20693 1 0 1 1 0 8 0 knotepl 120 5544 0 5456 11 0 11 11 0 8 7 kqueuepl 184 435 0 424 1 0 1 1 0 8 0 pipepl 288 319 0 288 3 0 3 3 0 8 0 fdescpl 432 1753 0 1724 5 0 5 5 0 8 0 filepl 120 9711 0 9433 13 0 13 13 0 8 4 lockfpl 104 330 0 328 1 0 1 1 0 8 0 lockfspl 48 146 0 144 1 0 1 1 0 8 0 sessionpl 144 42 0 24 1 0 1 1 0 8 0 pgrppl 48 63 0 45 1 0 1 1 0 8 0 ucredpl 104 1215 0 1205 1 0 1 1 0 8 0 zombiepl 144 1725 0 1725 1 0 1 1 0 8 1 processpl 1072 1791 0 1725 5 0 5 5 0 8 0 procpl 656 3217 0 3134 9 0 9 9 0 8 1 sosppl 168 21 0 21 1 0 1 1 0 8 1 sockpl 504 2336 0 2307 8 0 8 8 0 8 3 mcl64k 65536 5 0 5 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 7 0 7 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 33 0 33 1 0 1 1 0 8 1 mcl4k 4096 9 0 9 1 0 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 25693 0 25587 56 33 23 51 0 8 8 mtagpl 96 109 0 109 3 0 3 3 0 8 3 mbufpl 256 61367 0 61184 37 10 27 27 0 8 7 bufpl 280 8680 0 2260 459 0 459 459 0 8 0 anonpl 24 348053 0 342311 73 0 73 73 0 188 23 amapchunkpl 152 48010 0 47400 41 0 41 41 0 158 13 amappl16 200 8142 0 8049 31 16 15 21 0 8 8 amappl15 192 15 0 15 1 0 1 1 0 8 1 amappl14 184 224 0 212 2 0 2 2 0 8 1 amappl13 176 10 0 10 1 0 1 1 0 8 1 amappl12 168 2624 0 2591 2 0 2 2 0 8 0 amappl11 160 52 0 42 1 0 1 1 0 8 0 amappl10 152 59 0 48 1 0 1 1 0 8 0 amappl9 144 171 0 171 1 0 1 1 0 8 1 amappl8 136 123 0 93 2 0 2 2 0 8 0 amappl7 128 63 0 50 1 0 1 1 0 8 0 amappl6 120 552 0 532 2 0 2 2 0 8 0 amappl5 112 238 0 225 1 0 1 1 0 8 0 amappl4 104 593 0 565 2 0 2 2 0 8 1 amappl3 96 9502 0 9431 3 0 3 3 0 8 0 amappl2 88 2216 0 2143 3 0 3 3 0 8 1 amappl1 80 14586 0 14075 22 2 20 22 0 8 7 amappl 88 13760 0 13579 6 0 6 6 0 92 1 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 68 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1774 0 1740 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1774 0 1740 1 0 1 1 0 8 0 vmmpekpl 168 16298 0 16233 4 0 4 4 0 8 0 vmmpepl 168 126022 0 124258 111 0 111 111 0 357 21 vmsppl 344 1773 0 1740 4 0 4 4 0 8 0 rwobjpl 24 40588 0 34939 35 0 35 35 0 8 0 pdppl 4096 3554 0 3485 207 122 85 85 0 8 16 pvpl 32 838077 0 826492 355 14 341 355 0 265 232 pmappl 216 1773 0 1740 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 549 0 171 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(ffff80002c135890,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002c135890,0,1,0) at rt_match+0xc3 sys/net/route.c:358 ip_multicast_if(ffff80002c135940,0,ffff80002c135928) at ip_multicast_if+0xec sys/netinet/ip_output.c:1364 ip_setmoptions(c,fffffd80680e0130,fffffd807135c000,0) at ip_setmoptions+0x378 sys/netinet/ip_output.c:1533 sosetopt(fffffd8062a92428,0,c,fffffd807135c000) at sosetopt+0xe1 sys_setsockopt(ffff80002a6c6558,ffff80002c135b50,ffff80002c135aa0) at sys_setsockopt+0x1d6 sys/kern/uipc_syscalls.c:1231 syscall(ffff80002c135b50) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x254d38f2a50, count: -8 ddb> machine ddbcpu 1 No such command ddb> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 rt_match(ffff80002c135890,0,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002c135890,0,1,0) at rt_match+0xc3 sys/net/route.c:358 ip_multicast_if(ffff80002c135940,0,ffff80002c135928) at ip_multicast_if+0xec sys/netinet/ip_output.c:1364 ip_setmoptions(c,fffffd80680e0130,fffffd807135c000,0) at ip_setmoptions+0x378 sys/netinet/ip_output.c:1533 sosetopt(fffffd8062a92428,0,c,fffffd807135c000) at sosetopt+0xe1 sys_setsockopt(ffff80002a6c6558,ffff80002c135b50,ffff80002c135aa0) at sys_setsockopt+0x1d6 sys/kern/uipc_syscalls.c:1231 syscall(ffff80002c135b50) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x254d38f2a50, count: -8