kernel: protection fault trap, code=0 Stopped at __x86_indirect_thunk_r11+0x14: ret ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 rt_clone(ffff800034841638,fffffd806f459c90,0) at rt_clone+0x7d sys/net/route.c:383 route_mpath(fffffd806f459c78,fffffd806d2a0524,0,0) at route_mpath+0x112 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806f459c78,fffffd806d2a0524,0,0) at route_mpath+0x112 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806f459c78,fffffd806d2a0524,0,0) at route_mpath+0x112 sys/net/route.c:255 in_pcbselsrc(ffff800034841728,fffffd806d2a0520,fffffd806f459c00) at in_pcbselsrc+0x1b7 sys/netinet/in_pcb.c:975 in_pcbconnect(fffffd806f459c00,fffffd806d2a0500) at in_pcbconnect+0xe8 sys/netinet/in_pcb.c:523 tcp_connect(ffff800000e29530,fffffd806d2a0500) at tcp_connect+0x29b sys/netinet/tcp_usrreq.c:654 sys_connect(ffff80002a2a3748,ffff800034841950,ffff8000348418a0) at sys_connect+0x239 sys/kern/uipc_syscalls.c:422 syscall(ffff800034841950) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800034841950) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x89791eff270, count: -9 ddb{1}> show registers rdi 0xffff800000dee800 rsi 0xb rbp 0xffff800034841510 rbx 0xffff800000ed1720 rdx 0xfffffd806efcea10 rcx 0x711 rax 0xffffffff8254d9f5 rtrequest+0x8b5 r8 0x100 r9 0xfffffd806efcea10 r10 0xba069168540f9203 r11 0x382c080380030008 r12 0xffff8000348415c8 r13 0 r14 0xfffffd806efcea10 r15 0xffff800034841528 rip 0xffffffff826f8304 __x86_indirect_thunk_r11+0x14 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800034841410 ss 0x10 __x86_indirect_thunk_r11+0x14: ret ddb{1}> show proc PROC (syz-executor.1) tid=357742 pid=29340 tcnt=3 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800032d834c8,0xffffffff82e9c2e8 process=0xffff8000ffff2850 user=0xffff80003483c000, vmspace=0xfffffd805fd17008 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70259 453935 59231 0 2 0x8000000 syz-executor.2 70259 245314 59231 0 3 0xc000080 fsleep syz-executor.2 97000 53036 68465 0 2 0x8000000 syz-executor.3 97000 86583 68465 0 3 0xc000080 netcon syz-executor.3 29340 295429 67779 0 7 0x8000000 syz-executor.1 29340 202979 67779 0 3 0xc000080 kqsel syz-executor.1 *29340 357742 67779 0 7 0xc000000 syz-executor.1 43958 494074 47435 0 3 0x8000080 nanoslp syz-executor.6 43958 244350 47435 0 3 0xc000080 fifor syz-executor.6 42389 9440 81694 0 3 0x8000080 nanoslp syz-executor.4 42389 289347 81694 0 3 0xc000080 msgwait syz-executor.4 42389 45337 81694 0 3 0xc000080 msgwait syz-executor.4 42389 433773 81694 0 3 0xc000080 fsleep syz-executor.4 47435 208923 44655 0 3 0x8000082 nanoslp syz-executor.6 90895 73723 0 0 3 0x14200 acct acct 59231 176488 44655 0 3 0x8000082 nanoslp syz-executor.2 68465 388646 44655 0 3 0x8000082 nanoslp syz-executor.3 28385 416200 1 0 3 0x18100083 ttyin getty 67779 164476 44655 0 3 0x8000082 nanoslp syz-executor.1 70066 328927 44655 0 3 0x8000082 nanoslp syz-executor.5 33623 11865 44655 0 3 0x8000082 nanoslp syz-executor.0 63771 163315 44655 0 3 0x8000002 biowait syz-executor.7 81694 289811 44655 0 3 0x8000082 nanoslp syz-executor.4 2422 86965 0 0 3 0x14200 bored sosplice 44655 238924 85888 0 3 0x1a000082 wait syz-fuzzer 44655 468377 85888 0 3 0x1e000082 thrsleep syz-fuzzer 44655 210147 85888 0 3 0x1e000082 thrsleep syz-fuzzer 44655 114650 85888 0 3 0x1e000082 thrsleep syz-fuzzer 44655 287543 85888 0 3 0x1e000082 wait syz-fuzzer 44655 77418 85888 0 3 0x1e000082 wait syz-fuzzer 44655 258515 85888 0 3 0x1e000082 wait syz-fuzzer 44655 328092 85888 0 3 0x1e000082 wait syz-fuzzer 44655 73422 85888 0 3 0x1e000082 wait syz-fuzzer 44655 509996 85888 0 3 0x1e000082 thrsleep syz-fuzzer 44655 182155 85888 0 3 0x1e000082 wait syz-fuzzer 44655 320734 85888 0 3 0x1e000082 thrsleep syz-fuzzer 44655 24386 85888 0 3 0x1e000082 thrsleep syz-fuzzer 44655 171923 85888 0 3 0x1e000082 kqread syz-fuzzer 44655 100179 85888 0 3 0x1e000082 thrsleep syz-fuzzer 44655 15893 85888 0 3 0x1e000082 wait syz-fuzzer 85888 139160 6664 0 3 0x810008a sigsusp ksh 6664 456424 16606 0 3 0x1800009a kqread sshd 16606 162861 1 0 3 0x18000088 kqread sshd 80782 432083 64550 73 3 0x19100010 biowait syslogd 64550 328158 1 0 3 0x18100082 sbwait syslogd 60634 119125 1 0 3 0x18100080 kqread resolvd 5042 321498 75574 77 3 0x18100092 kqread dhcpleased 15764 302345 75574 77 3 0x18100092 kqread dhcpleased 75574 310373 1 0 3 0x18000080 kqread dhcpleased 51936 359448 0 0 3 0x14200 bored smr 63704 314449 0 0 3 0x14200 pgzero zerothread 81970 134277 0 0 3 0x14200 aiodoned aiodoned 4359 207069 0 0 3 0x14200 syncer update 67145 22285 0 0 3 0x14200 cleaner cleaner 71349 40143 0 0 3 0x14200 reaper reaper 61339 246976 0 0 3 0x14200 pgdaemon pagedaemon 72188 315688 0 0 3 0x14200 bored viomb 93947 469838 0 0 3 0x40014200 acpi0 acpi0 51949 348644 0 0 3 0x40014200 idle1 2781 89402 0 0 3 0x14200 bored softnet3 60171 294678 0 0 3 0x14200 bored softnet2 23288 328365 0 0 3 0x14200 bored softnet1 48129 144408 0 0 3 0x14200 bored softnet0 27561 103597 0 0 3 0x14200 bored systqmp 63532 212757 0 0 3 0x14200 bored systq 57838 132922 0 0 3 0x14200 tmoslp softclockmp 31365 263432 0 0 3 0x40014200 tmoslp softclock 56814 505872 0 0 3 0x40014200 idle0 1 66733 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 29340 (syz-executor.1) thread 0xffff80002a2a3748 (357742) Process 63771 (syz-executor.7) thread 0xffff800035f702e0 (163315) Process 80782 (syslogd) thread 0xffff8000ffffc7c0 (432083) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 6587K 7155K 166960K 18249 0 pcb 18 12K 12K 166960K 491 0 rtable 119 7K 10K 166960K 1652 0 pf 43 11K 12K 166960K 217 0 ifaddr 35 12K 16K 166960K 245 0 ifgroup 78 3K 3K 166960K 347 0 sysctl 3 0K 1K 166960K 11 0 counters 76 37K 38K 166960K 230 0 ioctlops 0 0K 4K 166960K 1685 0 iov 0 0K 24K 166960K 203 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1404 88K 89K 166960K 4700 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 16K 24K 166960K 112 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 316 0 dirhash 12 2K 3K 166960K 96 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 93K 166960K 3746 0 sigio 0 0K 0K 166960K 68 0 proc 60 79K 115K 166960K 1579 0 subproc 104 6K 7K 166960K 535 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 4 0K 0K 166960K 483 0 in_multi 42 3K 7K 166960K 552 0 ether_multi 1 0K 0K 166960K 26 0 mrt 1 0K 0K 166960K 14 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 121 546K 546K 166960K 121 0 exec 0 0K 1K 166960K 1209 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 289 91K 106K 166960K 33882 0 UVM aobj 155 8K 8K 166960K 160 0 pinsyscall 36 72K 100K 166960K 5734 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 184 0 NDP 19 0K 2K 166960K 173 0 temp 74 6808K 14744K 166960K 136400 0 kqueue 12 18K 26K 166960K 556 0 SYN cache 2 8K 16K 166960K 3 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 388 0 384 1 0 1 1 0 8 0 rtentry 112 571 0 531 4 1 3 4 0 8 0 unpcb 144 2684 0 2669 7 6 1 2 0 8 0 syncache 336 45 0 45 11 11 0 1 0 8 0 sackhl 24 1 3 1 1 1 0 1 0 8 0 tcpqe 32 36 0 36 1 1 0 1 0 8 0 tcpcb 808 1332 0 1322 19 17 2 4 0 8 1 arp 120 106 0 100 1 0 1 1 0 8 0 inpcb 384 3922 0 3903 23 20 3 5 0 8 1 nd6 136 140 0 130 1 0 1 1 0 8 0 pkpcb 40 26 0 26 15 14 1 1 0 8 1 kcovpl 48 41 0 33 1 0 1 1 0 8 0 ppxss 1168 28 0 28 11 10 1 1 0 8 1 pffrag 232 33 0 22 4 3 1 1 0 482 0 pffrnode 88 31 0 21 4 3 1 1 0 8 0 pffrent 40 261 0 250 4 3 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 270 0 227 1 0 1 1 0 8 0 pfstkey 128 270 0 227 2 0 2 2 0 8 0 pfstate 376 270 0 227 8 3 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 6 0 4 4 2 2 2 0 8 0 art_heap4 256 2055 0 1852 39 16 23 30 0 8 3 art_table 32 2061 0 1856 4 0 4 4 0 8 0 art_node 16 559 0 526 1 0 1 1 0 8 0 sysvmsgpl 40 29 0 20 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 312 0 302 1 0 1 1 0 8 0 shmpl 112 157 0 5 6 1 5 5 0 8 0 dirhash 1024 73 0 56 3 0 3 3 0 8 0 dino2pl 256 7502 0 5972 97 0 97 97 0 8 0 ffsino 272 7502 0 5972 103 0 103 103 0 8 0 nchpl 144 13082 0 11341 67 0 67 67 0 8 0 uvmvnodes 80 8997 0 0 184 0 184 184 0 8 0 vnodes 216 8997 0 0 500 0 500 500 0 8 0 namei 1024 46312 0 46312 6 5 1 3 0 8 1 percpumem 16 129 0 77 1 0 1 1 0 8 0 vcpupl 3904 7 0 0 1 0 1 1 0 8 0 vmpool 696 25 0 18 2 1 1 1 0 8 0 kstatmem 264 188 0 154 3 0 3 3 0 8 0 scsiplug 72 8 0 8 8 8 0 1 0 8 0 scxspl 216 75040 0 75038 15 14 1 8 1 8 0 plimitpl 152 657 0 641 1 0 1 1 0 8 0 sigapl 424 4014 0 3966 10 2 8 8 0 8 1 futexpl 64 64100 0 64098 7 6 1 1 0 8 0 knotepl 120 895 0 0 19 0 19 19 0 8 0 kqueuepl 216 1190 0 1180 2 1 1 2 0 8 0 pipepl 320 732 0 704 8 0 8 8 0 8 5 fdescpl 496 3971 0 3944 5 1 4 5 0 8 0 filepl 152 26730 0 26471 17 1 16 16 0 8 5 lockfpl 104 1208 0 1206 1 0 1 1 0 8 0 lockfspl 48 543 0 541 1 0 1 1 0 8 0 sessionpl 144 58 0 42 1 0 1 1 0 8 0 pgrppl 48 150 0 134 1 0 1 1 0 8 0 ucredpl 104 4563 0 4551 1 0 1 1 0 8 0 zombiepl 144 3968 0 3966 1 0 1 1 0 8 0 processpl 1144 4014 0 3966 8 2 6 6 0 8 1 procpl 656 7975 0 7904 11 2 9 9 0 8 0 srpgc 96 56 0 56 11 11 0 1 0 8 0 sosppl 168 30 0 30 15 14 1 1 0 8 1 sockpl 664 7077 0 7040 30 26 4 6 0 8 0 mcl64k 65536 27 0 0 3 0 3 3 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 11 0 0 2 0 2 2 0 8 0 mcl9k 9216 11 0 0 1 0 1 1 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 448 0 0 52 3 49 52 0 8 0 mtagpl 96 31 0 0 1 0 1 1 0 8 0 mbufpl 256 537 0 0 27 0 27 27 0 8 0 bufpl 280 15168 0 6169 643 0 643 643 0 8 0 anonpl 24 626136 0 619721 129 60 69 91 0 186 1 amapchunkpl 152 112118 0 111445 88 48 40 49 0 158 3 amappl16 200 12345 0 12191 55 42 13 21 0 8 2 amappl15 192 17 0 17 3 2 1 1 0 8 1 amappl14 184 275 0 262 2 1 1 2 0 8 0 amappl13 176 17 0 17 1 1 0 1 0 8 0 amappl12 168 5069 0 5041 3 1 2 2 0 8 0 amappl11 160 98 0 80 1 0 1 1 0 8 0 amappl10 152 121 0 118 1 0 1 1 0 8 0 amappl9 144 413 0 413 3 3 0 1 0 8 0 amappl8 136 261 0 226 2 0 2 2 0 8 0 amappl7 128 65 0 50 1 0 1 1 0 8 0 amappl6 120 716 0 701 2 1 1 2 0 8 0 amappl5 112 294 0 282 1 0 1 1 0 8 0 amappl4 104 835 0 798 2 0 2 2 0 8 0 amappl3 96 20114 0 20033 3 0 3 3 0 8 0 amappl2 88 4496 0 4424 4 2 2 4 0 8 0 amappl1 80 22464 0 21978 22 10 12 22 0 8 0 amappl 88 32801 0 32603 7 1 6 6 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 72 159 0 5 3 0 3 3 0 8 0 uaddrrnd 24 3996 0 3962 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3996 0 3962 1 0 1 1 0 8 0 vmmpekpl 168 29788 0 29711 4 0 4 4 0 8 0 vmmpepl 168 255345 0 253455 184 82 102 115 0 357 8 vmsppl 440 3995 0 3962 6 1 5 5 0 8 0 rwobjpl 56 70539 0 60288 150 5 145 146 0 8 0 pdppl 4096 7999 0 7931 244 168 76 79 0 8 8 pvpl 32 46612 0 0 379 3 376 377 0 265 0 pmappl 248 3995 0 3962 5 2 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 627 0 234 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82d15ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82e5b6b8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e5b6b8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002e0fff50,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x74c11a5116d0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at __x86_indirect_thunk_r11+0x14: ret ddb{1}> trace __x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14 rt_clone(ffff800034841638,fffffd806f459c90,0) at rt_clone+0x7d sys/net/route.c:383 route_mpath(fffffd806f459c78,fffffd806d2a0524,0,0) at route_mpath+0x112 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806f459c78,fffffd806d2a0524,0,0) at route_mpath+0x112 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806f459c78,fffffd806d2a0524,0,0) at route_mpath+0x112 sys/net/route.c:255 in_pcbselsrc(ffff800034841728,fffffd806d2a0520,fffffd806f459c00) at in_pcbselsrc+0x1b7 sys/netinet/in_pcb.c:975 in_pcbconnect(fffffd806f459c00,fffffd806d2a0500) at in_pcbconnect+0xe8 sys/netinet/in_pcb.c:523 tcp_connect(ffff800000e29530,fffffd806d2a0500) at tcp_connect+0x29b sys/netinet/tcp_usrreq.c:654 sys_connect(ffff80002a2a3748,ffff800034841950,ffff8000348418a0) at sys_connect+0x239 sys/kern/uipc_syscalls.c:422 syscall(ffff800034841950) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800034841950) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x89791eff270, count: -9