Lv2;:`NgU#? A-ph_9O(kUKN 0NNI. NkHY_q`<}\e)I=(%u4 \8 02RMq[)f^]KX*oERU0Y6gTm"6o z8> 'EOGS{%rx [qpanic: kernel diagnostic assertion "(rt->rt_flags & RTF_MPATH) || mrt->rt_priority != prio" failed: file "/syzkaller/managers/main/kernel/sys/net/rtable.c", line 569 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *452667 76247 0 0 0x4000000 0 syz-executor.1 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic() at panic+0x15c sys/kern/subr_prf.c:212 __assert(ffffffff81f7e162,ffffffff81f3c86c,239,ffffffff81f191fc) at __assert+0x2e sys/kern/subr_prf.c:159 rtable_insert(0,ffff80000098f900,0,ffff800000a12890,38,fffffd802fc042a8) at rtable_insert+0x66b sys/net/rtable.c:569 rtrequest(1,ffff800015ff8040,38,ffff800015ff7fb8,0) at rtrequest+0x875 sys/net/route.c:928 rtm_output(ffff800000a12800,ffff800015ff80e8,ffff800015ff8040,38,0) at rtm_output+0x6e5 sys/net/rtsock.c:896 route_output(fffffd802fc01300,fffffd8036fe2480,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd8036fe2480,9,fffffd802fc01300,0,0,ffff800014950018) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd8036fe2480,0,ffff800015ff82e0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014950018,3,ffff800015ff83c0,0,ffff800015ff84d0) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014950018,ffff800015ff8468,ffff800015ff84d0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800015ff8540) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,bb7878d010) at Xsyscall+0x128 end of kernel end trace frame: 0xbe609dfba0, count: 2 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel diagnostic assertion "(rt->rt_flags & RTF_MPATH) || mrt->rt_priority != prio" failed: file "/syzkaller/managers/main/kernel/sys/net/rtable.c", line 569 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic() at panic+0x15c sys/kern/subr_prf.c:212 __assert(ffffffff81f7e162,ffffffff81f3c86c,239,ffffffff81f191fc) at __assert+0x2e sys/kern/subr_prf.c:159 rtable_insert(0,ffff80000098f900,0,ffff800000a12890,38,fffffd802fc042a8) at rtable_insert+0x66b sys/net/rtable.c:569 rtrequest(1,ffff800015ff8040,38,ffff800015ff7fb8,0) at rtrequest+0x875 sys/net/route.c:928 rtm_output(ffff800000a12800,ffff800015ff80e8,ffff800015ff8040,38,0) at rtm_output+0x6e5 sys/net/rtsock.c:896 route_output(fffffd802fc01300,fffffd8036fe2480,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd8036fe2480,9,fffffd802fc01300,0,0,ffff800014950018) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd8036fe2480,0,ffff800015ff82e0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014950018,3,ffff800015ff83c0,0,ffff800015ff84d0) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014950018,ffff800015ff8468,ffff800015ff84d0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800015ff8540) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,bb7878d010) at Xsyscall+0x128 end of kernel end trace frame: 0xbe609dfba0, count: -13 ddb> show registers rdi 0xffffffff814f7a27 db_enter+0x17 rsi 0x392b __ALIGN_SIZE+0x292b rbp 0xffff800015ff7d00 rbx 0xffff800015ff7db0 rdx 0x392c __ALIGN_SIZE+0x292c rcx 0xffff800016c0b000 rax 0xffff800016c0b000 r8 0xffff800015ff7cc0 r9 0x1 r10 0xffff800000994b40 r11 0xa2de74f12e67ea45 r12 0x3000000008 r13 0xffff800015ff7d10 r14 0x100 r15 0x1 rip 0xffffffff814f7a28 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800015ff7cf0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.1) pid=452667 stat=onproc flags process=0 proc=4000000 pri=84, usrpri=84, nice=20 forw=0xffffffffffffffff, list=0xffff800014951788,0xffffffff822ccf20 process=0xffff8000ffff7708 user=0xffff800015ff3000, vmspace=0xfffffd803f00ba50 estcpu=34, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 76247 422389 60475 0 2 0 syz-executor.1 *76247 452667 60475 0 7 0x4000000 syz-executor.1 79792 378478 40888 0 2 0x2 syz-executor.0 51563 315928 1 0 3 0x100083 ttyin getty 40155 412728 0 0 3 0x14200 bored sosplice 60475 456931 40888 0 3 0x82 nanosleep syz-executor.1 40888 274801 16274 0 3 0x82 thrsleep syz-fuzzer 40888 347271 16274 0 3 0x4000082 thrsleep syz-fuzzer 40888 461640 16274 0 3 0x4000082 thrsleep syz-fuzzer 40888 289496 16274 0 3 0x4000082 thrsleep syz-fuzzer 40888 353617 16274 0 3 0x4000082 thrsleep syz-fuzzer 40888 42565 16274 0 3 0x4000082 kqread syz-fuzzer 40888 343033 16274 0 3 0x4000082 thrsleep syz-fuzzer 40888 75107 16274 0 3 0x4000082 thrsleep syz-fuzzer 16274 41402 15664 0 3 0x10008a pause ksh 15664 63799 9415 0 3 0x92 select sshd 9415 177725 1 0 3 0x80 select sshd 50760 65202 56575 73 3 0x100090 kqread syslogd 56575 210556 1 0 3 0x100082 netio syslogd 96471 288501 1 77 3 0x100090 poll dhclient 4566 409563 1 0 3 0x80 poll dhclient 91046 58651 0 0 2 0x14200 zerothread 26567 212462 0 0 3 0x14200 aiodoned aiodoned 1218 115718 0 0 3 0x14200 syncer update 78474 138629 0 0 3 0x14200 cleaner cleaner 68643 340597 0 0 3 0x14200 reaper reaper 64199 482591 0 0 3 0x14200 pgdaemon pagedaemon 55091 351401 0 0 3 0x14200 bored crynlk 40589 375123 0 0 3 0x14200 bored crypto 36718 204563 0 0 3 0x40014200 acpi0 acpi0 60043 368255 0 0 3 0x14200 bored softnet 20170 385851 0 0 2 0x14200 systqmp 16918 4448 0 0 3 0x14200 bored systq 93677 99041 0 0 3 0x40014200 bored softclock 83676 318343 0 0 3 0x40014200 idle0 82556 430818 0 0 3 0x14200 bored smr 1 499006 0 0 3 0x82 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 Kern Lim devbuf 9540 6367K 7637K 78643K 23500 0 0 pcb 24 9K 10K 78643K 3434 0 0 rtable 126 5K 5K 78643K 1573 0 0 ifaddr 67 17K 19K 78643K 741 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 304 0 0 iov 0 0K 28K 78643K 807 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1202 75K 77K 78643K 8299 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 90 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 413 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 8329 0 0 sigio 0 0K 0K 78643K 86 0 0 proc 42 30K 54K 78643K 1101 0 0 subproc 32 2K 2K 78643K 55 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 676 0 0 in_multi 33 2K 2K 78643K 297 0 0 ether_multi 1 0K 0K 78643K 36 0 0 mrt 0 0K 0K 78643K 5 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 108 477K 477K 78643K 108 0 0 exec 0 0K 1K 78643K 659 0 0 pfkey data 0 0K 0K 78643K 4 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 88 20K 38K 78643K 19757 0 0 UVM aobj 130 6K 6K 78643K 141 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 274 0 0 NDP 15 0K 0K 78643K 197 0 0 temp 195 2716K 3343K 78643K 26280 0 0 kqueue 0 0K 0K 78643K 58 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 8 0 2 1 0 1 1 0 8 0 inpcbpl 280 2765 0 2758 1 0 1 1 0 8 0 plimitpl 152 165 0 158 1 0 1 1 0 8 0 rtentry 112 91 0 44 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 998 0 994 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 4 0 4 1 1 0 1 0 8 0 nd6 48 9 0 3 1 0 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 155 0 155 22 21 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 273 0 44 15 0 15 15 0 8 0 art_table 32 274 0 44 2 0 2 2 0 8 0 art_node 16 58 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 37 0 19 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 411 0 401 1 0 1 1 0 8 0 shmpl 112 139 0 11 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 17439 0 15935 49 0 49 49 0 8 0 ffsino 240 17439 0 15935 90 1 89 89 0 8 0 nchpl 144 28640 0 27026 61 0 61 61 0 8 0 uvmvnodes 72 6820 0 0 124 0 124 124 0 8 0 vnodes 200 6820 0 0 359 0 359 359 0 8 0 namei 1024 85264 0 85264 3 2 1 1 0 8 1 scsiplug 64 9 0 9 5 5 0 1 0 8 0 scxspl 192 84298 0 84298 33 32 1 6 0 8 1 sigapl 432 8499 0 8486 2 0 2 2 0 8 0 futexpl 56 113015 0 113015 2 1 1 1 0 8 1 knotepl 112 1219 0 1200 2 1 1 2 0 8 0 kqueuepl 104 1537 0 1535 1 0 1 1 0 8 0 pipepl 112 4050 0 4031 13 12 1 2 0 8 0 fdescpl 424 8500 0 8486 2 0 2 2 0 8 0 filepl 120 45857 0 45762 9 5 4 5 0 8 1 lockfpl 104 3441 0 3441 4 3 1 1 0 8 1 lockfspl 48 1360 0 1360 4 3 1 1 0 8 1 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 87 0 77 1 0 1 1 0 8 0 ucredpl 96 9757 0 9750 1 0 1 1 0 8 0 zombiepl 144 8486 0 8486 3 2 1 1 0 8 1 processpl 840 8515 0 8486 4 0 4 4 0 8 0 procpl 600 18753 0 18716 4 0 4 4 0 8 0 sosppl 128 78 0 78 22 22 0 1 0 8 0 sockpl 384 5839 0 5821 6 3 3 3 0 8 1 mcl64k 65536 1646 0 1646 157 128 29 33 0 8 29 mcl16k 16384 17 0 17 15 15 0 1 0 8 0 mcl12k 12288 106 0 106 23 22 1 1 0 8 1 mcl9k 9216 132 0 132 22 22 0 1 0 8 0 mcl8k 8192 89 0 89 22 22 0 1 0 8 0 mcl4k 4096 252 0 252 13 12 1 1 0 8 1 mcl2k2 2112 33 0 33 16 16 0 1 0 8 0 mcl2k 2048 64532 0 64493 11 5 6 10 0 8 0 mtagpl 80 14 0 14 5 5 0 1 0 8 0 mbufpl 256 144441 0 144355 83 68 15 22 0 8 8 bufpl 256 25429 0 18606 428 1 427 427 0 8 0 anonpl 16 687502 0 678009 256 205 51 57 0 62 9 amapchunkpl 152 34725 0 34640 108 103 5 18 0 158 0 amappl16 192 33937 0 33407 237 205 32 39 0 8 5 amappl15 184 8081 0 8079 1 0 1 1 0 8 0 amappl14 176 8179 0 8173 2 1 1 1 0 8 0 amappl13 168 15 0 14 7 6 1 1 0 8 0 amappl12 160 7 0 5 1 0 1 1 0 8 0 amappl11 152 55 0 41 1 0 1 1 0 8 0 amappl10 144 66 0 65 2 1 1 1 0 8 0 amappl9 136 709 0 705 1 0 1 1 0 8 0 amappl8 128 288 0 269 1 0 1 1 0 8 0 amappl7 120 39 0 35 1 0 1 1 0 8 0 amappl6 112 59 0 52 1 0 1 1 0 8 0 amappl5 104 185 0 174 1 0 1 1 0 8 0 amappl4 96 558 0 535 1 0 1 1 0 8 0 amappl3 88 16630 0 16615 1 0 1 1 0 8 0 amappl2 80 67057 0 66992 4 2 2 3 0 8 0 amappl1 72 147563 0 147164 24 15 9 19 0 8 0 amappl 80 19052 0 19019 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 140 0 11 3 0 3 3 0 8 0 uaddrrnd 24 8500 0 8486 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8500 0 8486 1 0 1 1 0 8 0 vmmpekpl 168 48824 0 48798 2 0 2 2 0 8 0 vmmpepl 168 835735 0 834243 241 164 77 84 0 357 7 vmsppl 264 8499 0 8486 2 1 1 2 0 8 0 pdppl 4096 17007 0 16972 6 1 5 6 0 8 0 pvpl 32 2117514 0 2104924 535 397 138 206 0 265 30 pmappl 200 8499 0 8486 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 850 0 257 18 0 18 18 0 8 0