assert "(rt->rt_flags & RTF_MPATH) || mrt->rt_priority != prio" failed in rtable.c
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syzbot
May 20, 2019, 6:50:06 AM5/20/19
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 01b2b04a It uses hw.ncpuonline since r1.170
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=108ba18aa00000
kernel config: https://syzkaller.appspot.com/x/.config?x=60e2b7157576c8d7
dashboard link: https://syzkaller.appspot.com/bug?extid=10fe9cd8d0211c562ead
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+10fe9c...@syzkaller.appspotmail.com
login: 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
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*404888 42911 0 0 0x4000000 0 syz-executor.0
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(ffffffff81f7d345,ffffffff81f3b380,239,ffffffff81f181cd) at
__assert+0x2e sys/kern/subr_prf.c:159
rtable_insert(5,ffff800000994bc0,0,ffff8000009a2990,7,fffffd80382b87e8) at
rtable_insert+0x66b sys/net/rtable.c:569
rtrequest(1,ffff800014915b10,7,ffff800014915a88,5) at rtrequest+0x875
sys/net/route.c:928
rtm_output(ffff8000009a2900,ffff800014915bb8,ffff800014915b10,7,5) at
rtm_output+0x6e5 sys/net/rtsock.c:896
route_output(fffffd80306a4e00,fffffd8039116480,0,0) at route_output+0x7d7
sys/net/rtsock.c:814
route_usrreq(fffffd8039116480,9,fffffd80306a4e00,0,0,ffff800015a1b080) at
route_usrreq+0x363 sys/net/rtsock.c:271
sosend(fffffd8039116480,0,ffff800014915db0,0,0,80) at sosend+0x660
sys/kern/uipc_socket.c:513
sendit(ffff800015a1b080,3,ffff800014915e90,0,ffff800014915fa0) at
sendit+0x53c sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800015a1b080,ffff800014915f38,ffff800014915fa0) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff800014916010) at syscall+0x511
Xsyscall(0,0,ffffffffffffffd8,0,6,c0a5b5c010) at Xsyscall+0x128
end of kernel
end trace frame: 0xc2de00ccd0, 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(ffffffff81f7d345,ffffffff81f3b380,239,ffffffff81f181cd) at
__assert+0x2e sys/kern/subr_prf.c:159
rtable_insert(5,ffff800000994bc0,0,ffff8000009a2990,7,fffffd80382b87e8) at
rtable_insert+0x66b sys/net/rtable.c:569
rtrequest(1,ffff800014915b10,7,ffff800014915a88,5) at rtrequest+0x875
sys/net/route.c:928
rtm_output(ffff8000009a2900,ffff800014915bb8,ffff800014915b10,7,5) at
rtm_output+0x6e5 sys/net/rtsock.c:896
route_output(fffffd80306a4e00,fffffd8039116480,0,0) at route_output+0x7d7
sys/net/rtsock.c:814
route_usrreq(fffffd8039116480,9,fffffd80306a4e00,0,0,ffff800015a1b080) at
route_usrreq+0x363 sys/net/rtsock.c:271
sosend(fffffd8039116480,0,ffff800014915db0,0,0,80) at sosend+0x660
sys/kern/uipc_socket.c:513
sendit(ffff800015a1b080,3,ffff800014915e90,0,ffff800014915fa0) at
sendit+0x53c sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800015a1b080,ffff800014915f38,ffff800014915fa0) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff800014916010) at syscall+0x511
Xsyscall(0,0,ffffffffffffffd8,0,6,c0a5b5c010) at Xsyscall+0x128
end of kernel
end trace frame: 0xc2de00ccd0, count: -13
ddb> show registers
rdi 0xffffffff81782b17 db_enter+0x17
rsi 0x4a41 __ALIGN_SIZE+0x3a41
rbp 0xffff8000149157d0
rbx 0xffff800014915880
rdx 0x4a42 __ALIGN_SIZE+0x3a42
rcx 0xffff80001781c000
rax 0xffff80001781c000
r8 0xffff800014915790
r9 0x1
r10 0xffff8000009f7080
r11 0xf3f41aa0f5f63f1c
r12 0x3000000008
r13 0xffff8000149157e0
r14 0x100
r15 0x1
rip 0xffffffff81782b18 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000149157c0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=404888 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=78, usrpri=78, nice=20
forw=0xffffffffffffffff, list=0xffff800015a1bc38,0xffffffff822b1100
process=0xffff8000ffff6358 user=0xffff800014911000,
vmspace=0xfffffd803f00c108
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
42911 115303 6296 0 2 0 syz-executor.0
*42911 404888 6296 0 7 0x4000000 syz-executor.0
52747 170869 1 0 3 0x100083 ttyin getty
6296 53480 81392 0 3 0x82 nanosleep syz-executor.0
49518 27166 81392 0 2 0x2 syz-executor.1
90301 148121 0 0 3 0x14200 bored sosplice
81392 12867 58040 0 3 0x82 thrsleep syz-fuzzer
81392 296372 58040 0 3 0x4000082 nanosleep syz-fuzzer
81392 142457 58040 0 3 0x4000082 thrsleep syz-fuzzer
81392 512518 58040 0 3 0x4000082 thrsleep syz-fuzzer
81392 276642 58040 0 3 0x4000082 kqread syz-fuzzer
81392 70253 58040 0 3 0x4000082 thrsleep syz-fuzzer
81392 217056 58040 0 3 0x4000082 thrsleep syz-fuzzer
58040 215260 68137 0 3 0x10008a pause ksh
68137 431860 49974 0 3 0x92 select sshd
49974 111824 1 0 3 0x80 select sshd
58782 493281 7053 73 3 0x100090 kqread syslogd
7053 5966 1 0 3 0x100082 netio syslogd
4578 263249 0 0 2 0x14200 zerothread
70262 222193 0 0 3 0x14200 aiodoned aiodoned
93887 429181 0 0 3 0x14200 syncer update
71627 414494 0 0 3 0x14200 cleaner cleaner
23612 386233 0 0 3 0x14200 reaper reaper
69418 348023 0 0 3 0x14200 pgdaemon pagedaemon
53421 156235 0 0 3 0x14200 bored crynlk
26950 499942 0 0 3 0x14200 bored crypto
37119 251590 0 0 3 0x40014200 acpi0 acpi0
89986 21295 0 0 3 0x14200 bored softnet
46016 269736 0 0 2 0x14200 systqmp
19574 52957 0 0 3 0x14200 bored systq
42913 407190 0 0 3 0x40014200 bored softclock
16950 487728 0 0 3 0x40014200 idle0
82828 103343 0 0 3 0x14200 bored smr
1 55419 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 9529 6292K 6605K 78643K 15202 0 0
pcb 20 9K 11K 78643K 4491 0 0
rtable 128 5K 5K 78643K 1633 0 0
ifaddr 65 17K 19K 78643K 1001 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 370 0 0
iov 0 0K 28K 78643K 1005 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1195 75K 76K 78643K 6480 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 112 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 12 1K 1K 78643K 356 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12537 0 0
file desc 5 13K 25K 78643K 9104 0 0
sigio 0 0K 0K 78643K 194 0 0
proc 42 30K 46K 78643K 2423 0 0
subproc 32 2K 2K 78643K 395 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 614 0 0
in_multi 33 2K 2K 78643K 484 0 0
ether_multi 1 0K 0K 78643K 39 0 0
mrt 0 0K 0K 78643K 19 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 126 556K 556K 78643K 126 0 0
exec 0 0K 1K 78643K 1064 0 0
pfkey data 0 0K 0K 78643K 6 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 22323 0 0
UVM aobj 130 4K 4K 78643K 157 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 1K 78643K 254 0 0
NDP 14 0K 0K 78643K 295 0 0
temp 196 2716K 2843K 78643K 29698 0 0
kqueue 0 0K 0K 78643K 67 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 48 0 42 1 0 1 1 0
8 0
inpcbpl 280 3626 0 3622 1 0 1 1 0
8 0
plimitpl 152 171 0 165 1 0 1 1 0
8 0
rtentry 112 337 0 289 2 0 2 2 0
8 0
syncache 264 4 0 4 1 1 0 1 0
8 0
tcpcb 544 1198 0 1194 1 0 1 1 0
8 0
nd6 48 69 0 63 1 0 1 1 0
8 0
swfcl 56 2 0 0 1 0 1 1 0
8 0
ppxss 1128 175 0 175 28 27 1 1 0
8 1
art_heap8 4096 2 0 0 2 0 2 2 0
8 0
art_heap4 256 1206 0 975 15 0 15 15 0
8 0
art_table 32 1208 0 975 2 0 2 2 0
8 0
art_node 16 279 0 236 1 0 1 1 0
8 0
sysvmsgpl 40 12 0 8 2 1 1 1 0
8 0
semupl 112 1 0 1 1 1 0 1 0
8 0
semapl 112 354 0 344 1 0 1 1 0
8 0
shmpl 112 155 0 27 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 16823 0 15272 51 0 51 51 0
8 0
ffsino 240 16823 0 15272 92 0 92 92 0
8 0
nchpl 144 29972 0 28352 61 0 61 61 0
8 0
uvmvnodes 72 5926 0 0 108 0 108 108 0
8 0
vnodes 200 5926 0 0 312 0 312 312 0
8 0
namei 1024 94168 0 94168 2 1 1 1 0
8 1
scsiplug 64 11 0 11 10 10 0 1 0
8 0
scxspl 192 89011 0 89011 35 34 1 6 0
8 1
sigapl 432 9223 0 9212 2 0 2 2 0
8 0
futexpl 56 125910 0 125910 1 0 1 1 0
8 1
knotepl 112 2074 0 2055 1 0 1 1 0
8 0
kqueuepl 104 2173 0 2171 1 0 1 1 0
8 0
pipepl 112 5200 0 5181 12 11 1 2 0
8 0
fdescpl 424 9224 0 9212 2 0 2 2 0
8 0
filepl 120 52769 0 52683 28 25 3 5 0
8 0
lockfpl 104 2686 0 2686 4 3 1 1 0
8 1
lockfspl 48 915 0 915 4 3 1 1 0
8 1
sessionpl 112 50 0 42 1 0 1 1 0
8 0
pgrppl 48 156 0 148 1 0 1 1 0
8 0
ucredpl 96 12732 0 12726 1 0 1 1 0
8 0
zombiepl 144 9212 0 9212 2 1 1 1 0
8 1
processpl 840 9239 0 9212 4 0 4 4 0
8 0
procpl 600 20391 0 20357 4 0 4 4 0
8 0
sosppl 128 152 0 152 29 28 1 1 0
8 1
sockpl 384 7653 0 7642 10 8 2 4 0
8 0
mcl64k 65536 1452 0 1452 148 147 1 33 0
8 1
mcl16k 16384 15 0 15 14 14 0 1 0
8 0
mcl12k 12288 132 0 132 31 31 0 1 0
8 0
mcl9k 9216 91 0 91 27 27 0 1 0
8 0
mcl8k 8192 107 0 107 29 29 0 1 0
8 0
mcl4k 4096 312 0 312 11 10 1 1 0
8 1
mcl2k2 2112 40 0 40 21 21 0 1 0
8 0
mcl2k 2048 54173 0 54139 18 13 5 8 0
8 0
mtagpl 80 18 0 18 3 3 0 1 0
8 0
mbufpl 256 128087 0 128041 78 74 4 22 0
8 0
bufpl 256 24801 0 20258 285 0 285 285 0
8 0
anonpl 16 723774 0 716309 244 201 43 48 0 62
10
amapchunkpl 152 41289 0 41214 107 103 4 17 0
158 0
amappl16 192 46993 0 46586 231 205 26 33 0
8 4
amappl15 184 1086 0 1086 2 1 1 1 0
8 1
amappl14 176 197 0 194 2 1 1 1 0
8 0
amappl13 168 3884 0 3882 1 0 1 1 0
8 0
amappl12 160 14 0 14 4 4 0 1 0
8 0
amappl11 152 686 0 679 1 0 1 1 0
8 0
amappl10 144 150 0 150 17 16 1 1 0
8 1
amappl9 136 2440 0 2437 1 0 1 1 0
8 0
amappl8 128 1949 0 1923 1 0 1 1 0
8 0
amappl7 120 122 0 113 1 0 1 1 0
8 0
amappl6 112 595 0 590 1 0 1 1 0
8 0
amappl5 104 357 0 350 1 0 1 1 0
8 0
amappl4 96 11531 0 11510 1 0 1 1 0
8 0
amappl3 88 695 0 684 1 0 1 1 0
8 0
amappl2 80 74712 0 74652 4 2 2 3 0
8 0
amappl1 72 170739 0 170355 24 15 9 19 0
8 0
amappl 80 21032 0 21004 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 64 156 0 27 3 0 3 3 0
8 0
uaddrrnd 24 9224 0 9212 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 9224 0 9212 1 0 1 1 0
8 0
vmmpekpl 168 58079 0 58053 2 0 2 2 0
8 0
vmmpepl 168 913651 0 912340 183 115 68 74 0
357 3
vmsppl 264 9223 0 9212 2 1 1 2 0
8 0
pdppl 4096 18455 0 18424 6 1 5 6 0
8 0
pvpl 32 1980157 0 1969764 468 349 119 126 0 265
27
pmappl 200 9223 0 9212 1 0 1 1 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 706 0 291 14 0 14 14 0
8 0
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following crash on:
HEAD commit: 01b2b04a It uses hw.ncpuonline since r1.170
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=108ba18aa00000
kernel config: https://syzkaller.appspot.com/x/.config?x=60e2b7157576c8d7
dashboard link: https://syzkaller.appspot.com/bug?extid=10fe9cd8d0211c562ead
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+10fe9c...@syzkaller.appspotmail.com
login: 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
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*404888 42911 0 0 0x4000000 0 syz-executor.0
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(ffffffff81f7d345,ffffffff81f3b380,239,ffffffff81f181cd) at
__assert+0x2e sys/kern/subr_prf.c:159
rtable_insert(5,ffff800000994bc0,0,ffff8000009a2990,7,fffffd80382b87e8) at
rtable_insert+0x66b sys/net/rtable.c:569
rtrequest(1,ffff800014915b10,7,ffff800014915a88,5) at rtrequest+0x875
sys/net/route.c:928
rtm_output(ffff8000009a2900,ffff800014915bb8,ffff800014915b10,7,5) at
rtm_output+0x6e5 sys/net/rtsock.c:896
route_output(fffffd80306a4e00,fffffd8039116480,0,0) at route_output+0x7d7
sys/net/rtsock.c:814
route_usrreq(fffffd8039116480,9,fffffd80306a4e00,0,0,ffff800015a1b080) at
route_usrreq+0x363 sys/net/rtsock.c:271
sosend(fffffd8039116480,0,ffff800014915db0,0,0,80) at sosend+0x660
sys/kern/uipc_socket.c:513
sendit(ffff800015a1b080,3,ffff800014915e90,0,ffff800014915fa0) at
sendit+0x53c sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800015a1b080,ffff800014915f38,ffff800014915fa0) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff800014916010) at syscall+0x511
Xsyscall(0,0,ffffffffffffffd8,0,6,c0a5b5c010) at Xsyscall+0x128
end of kernel
end trace frame: 0xc2de00ccd0, 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(ffffffff81f7d345,ffffffff81f3b380,239,ffffffff81f181cd) at
__assert+0x2e sys/kern/subr_prf.c:159
rtable_insert(5,ffff800000994bc0,0,ffff8000009a2990,7,fffffd80382b87e8) at
rtable_insert+0x66b sys/net/rtable.c:569
rtrequest(1,ffff800014915b10,7,ffff800014915a88,5) at rtrequest+0x875
sys/net/route.c:928
rtm_output(ffff8000009a2900,ffff800014915bb8,ffff800014915b10,7,5) at
rtm_output+0x6e5 sys/net/rtsock.c:896
route_output(fffffd80306a4e00,fffffd8039116480,0,0) at route_output+0x7d7
sys/net/rtsock.c:814
route_usrreq(fffffd8039116480,9,fffffd80306a4e00,0,0,ffff800015a1b080) at
route_usrreq+0x363 sys/net/rtsock.c:271
sosend(fffffd8039116480,0,ffff800014915db0,0,0,80) at sosend+0x660
sys/kern/uipc_socket.c:513
sendit(ffff800015a1b080,3,ffff800014915e90,0,ffff800014915fa0) at
sendit+0x53c sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800015a1b080,ffff800014915f38,ffff800014915fa0) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff800014916010) at syscall+0x511
Xsyscall(0,0,ffffffffffffffd8,0,6,c0a5b5c010) at Xsyscall+0x128
end of kernel
end trace frame: 0xc2de00ccd0, count: -13
ddb> show registers
rdi 0xffffffff81782b17 db_enter+0x17
rsi 0x4a41 __ALIGN_SIZE+0x3a41
rbp 0xffff8000149157d0
rbx 0xffff800014915880
rdx 0x4a42 __ALIGN_SIZE+0x3a42
rcx 0xffff80001781c000
rax 0xffff80001781c000
r8 0xffff800014915790
r9 0x1
r10 0xffff8000009f7080
r11 0xf3f41aa0f5f63f1c
r12 0x3000000008
r13 0xffff8000149157e0
r14 0x100
r15 0x1
rip 0xffffffff81782b18 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000149157c0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=404888 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=78, usrpri=78, nice=20
forw=0xffffffffffffffff, list=0xffff800015a1bc38,0xffffffff822b1100
process=0xffff8000ffff6358 user=0xffff800014911000,
vmspace=0xfffffd803f00c108
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
42911 115303 6296 0 2 0 syz-executor.0
*42911 404888 6296 0 7 0x4000000 syz-executor.0
52747 170869 1 0 3 0x100083 ttyin getty
6296 53480 81392 0 3 0x82 nanosleep syz-executor.0
49518 27166 81392 0 2 0x2 syz-executor.1
90301 148121 0 0 3 0x14200 bored sosplice
81392 12867 58040 0 3 0x82 thrsleep syz-fuzzer
81392 296372 58040 0 3 0x4000082 nanosleep syz-fuzzer
81392 142457 58040 0 3 0x4000082 thrsleep syz-fuzzer
81392 512518 58040 0 3 0x4000082 thrsleep syz-fuzzer
81392 276642 58040 0 3 0x4000082 kqread syz-fuzzer
81392 70253 58040 0 3 0x4000082 thrsleep syz-fuzzer
81392 217056 58040 0 3 0x4000082 thrsleep syz-fuzzer
58040 215260 68137 0 3 0x10008a pause ksh
68137 431860 49974 0 3 0x92 select sshd
49974 111824 1 0 3 0x80 select sshd
58782 493281 7053 73 3 0x100090 kqread syslogd
7053 5966 1 0 3 0x100082 netio syslogd
4578 263249 0 0 2 0x14200 zerothread
70262 222193 0 0 3 0x14200 aiodoned aiodoned
93887 429181 0 0 3 0x14200 syncer update
71627 414494 0 0 3 0x14200 cleaner cleaner
23612 386233 0 0 3 0x14200 reaper reaper
69418 348023 0 0 3 0x14200 pgdaemon pagedaemon
53421 156235 0 0 3 0x14200 bored crynlk
26950 499942 0 0 3 0x14200 bored crypto
37119 251590 0 0 3 0x40014200 acpi0 acpi0
89986 21295 0 0 3 0x14200 bored softnet
46016 269736 0 0 2 0x14200 systqmp
19574 52957 0 0 3 0x14200 bored systq
42913 407190 0 0 3 0x40014200 bored softclock
16950 487728 0 0 3 0x40014200 idle0
82828 103343 0 0 3 0x14200 bored smr
1 55419 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 9529 6292K 6605K 78643K 15202 0 0
pcb 20 9K 11K 78643K 4491 0 0
rtable 128 5K 5K 78643K 1633 0 0
ifaddr 65 17K 19K 78643K 1001 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 370 0 0
iov 0 0K 28K 78643K 1005 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1195 75K 76K 78643K 6480 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 112 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 12 1K 1K 78643K 356 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12537 0 0
file desc 5 13K 25K 78643K 9104 0 0
sigio 0 0K 0K 78643K 194 0 0
proc 42 30K 46K 78643K 2423 0 0
subproc 32 2K 2K 78643K 395 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 614 0 0
in_multi 33 2K 2K 78643K 484 0 0
ether_multi 1 0K 0K 78643K 39 0 0
mrt 0 0K 0K 78643K 19 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 126 556K 556K 78643K 126 0 0
exec 0 0K 1K 78643K 1064 0 0
pfkey data 0 0K 0K 78643K 6 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 22323 0 0
UVM aobj 130 4K 4K 78643K 157 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 1K 78643K 254 0 0
NDP 14 0K 0K 78643K 295 0 0
temp 196 2716K 2843K 78643K 29698 0 0
kqueue 0 0K 0K 78643K 67 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 48 0 42 1 0 1 1 0
8 0
inpcbpl 280 3626 0 3622 1 0 1 1 0
8 0
plimitpl 152 171 0 165 1 0 1 1 0
8 0
rtentry 112 337 0 289 2 0 2 2 0
8 0
syncache 264 4 0 4 1 1 0 1 0
8 0
tcpcb 544 1198 0 1194 1 0 1 1 0
8 0
nd6 48 69 0 63 1 0 1 1 0
8 0
swfcl 56 2 0 0 1 0 1 1 0
8 0
ppxss 1128 175 0 175 28 27 1 1 0
8 1
art_heap8 4096 2 0 0 2 0 2 2 0
8 0
art_heap4 256 1206 0 975 15 0 15 15 0
8 0
art_table 32 1208 0 975 2 0 2 2 0
8 0
art_node 16 279 0 236 1 0 1 1 0
8 0
sysvmsgpl 40 12 0 8 2 1 1 1 0
8 0
semupl 112 1 0 1 1 1 0 1 0
8 0
semapl 112 354 0 344 1 0 1 1 0
8 0
shmpl 112 155 0 27 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 16823 0 15272 51 0 51 51 0
8 0
ffsino 240 16823 0 15272 92 0 92 92 0
8 0
nchpl 144 29972 0 28352 61 0 61 61 0
8 0
uvmvnodes 72 5926 0 0 108 0 108 108 0
8 0
vnodes 200 5926 0 0 312 0 312 312 0
8 0
namei 1024 94168 0 94168 2 1 1 1 0
8 1
scsiplug 64 11 0 11 10 10 0 1 0
8 0
scxspl 192 89011 0 89011 35 34 1 6 0
8 1
sigapl 432 9223 0 9212 2 0 2 2 0
8 0
futexpl 56 125910 0 125910 1 0 1 1 0
8 1
knotepl 112 2074 0 2055 1 0 1 1 0
8 0
kqueuepl 104 2173 0 2171 1 0 1 1 0
8 0
pipepl 112 5200 0 5181 12 11 1 2 0
8 0
fdescpl 424 9224 0 9212 2 0 2 2 0
8 0
filepl 120 52769 0 52683 28 25 3 5 0
8 0
lockfpl 104 2686 0 2686 4 3 1 1 0
8 1
lockfspl 48 915 0 915 4 3 1 1 0
8 1
sessionpl 112 50 0 42 1 0 1 1 0
8 0
pgrppl 48 156 0 148 1 0 1 1 0
8 0
ucredpl 96 12732 0 12726 1 0 1 1 0
8 0
zombiepl 144 9212 0 9212 2 1 1 1 0
8 1
processpl 840 9239 0 9212 4 0 4 4 0
8 0
procpl 600 20391 0 20357 4 0 4 4 0
8 0
sosppl 128 152 0 152 29 28 1 1 0
8 1
sockpl 384 7653 0 7642 10 8 2 4 0
8 0
mcl64k 65536 1452 0 1452 148 147 1 33 0
8 1
mcl16k 16384 15 0 15 14 14 0 1 0
8 0
mcl12k 12288 132 0 132 31 31 0 1 0
8 0
mcl9k 9216 91 0 91 27 27 0 1 0
8 0
mcl8k 8192 107 0 107 29 29 0 1 0
8 0
mcl4k 4096 312 0 312 11 10 1 1 0
8 1
mcl2k2 2112 40 0 40 21 21 0 1 0
8 0
mcl2k 2048 54173 0 54139 18 13 5 8 0
8 0
mtagpl 80 18 0 18 3 3 0 1 0
8 0
mbufpl 256 128087 0 128041 78 74 4 22 0
8 0
bufpl 256 24801 0 20258 285 0 285 285 0
8 0
anonpl 16 723774 0 716309 244 201 43 48 0 62
10
amapchunkpl 152 41289 0 41214 107 103 4 17 0
158 0
amappl16 192 46993 0 46586 231 205 26 33 0
8 4
amappl15 184 1086 0 1086 2 1 1 1 0
8 1
amappl14 176 197 0 194 2 1 1 1 0
8 0
amappl13 168 3884 0 3882 1 0 1 1 0
8 0
amappl12 160 14 0 14 4 4 0 1 0
8 0
amappl11 152 686 0 679 1 0 1 1 0
8 0
amappl10 144 150 0 150 17 16 1 1 0
8 1
amappl9 136 2440 0 2437 1 0 1 1 0
8 0
amappl8 128 1949 0 1923 1 0 1 1 0
8 0
amappl7 120 122 0 113 1 0 1 1 0
8 0
amappl6 112 595 0 590 1 0 1 1 0
8 0
amappl5 104 357 0 350 1 0 1 1 0
8 0
amappl4 96 11531 0 11510 1 0 1 1 0
8 0
amappl3 88 695 0 684 1 0 1 1 0
8 0
amappl2 80 74712 0 74652 4 2 2 3 0
8 0
amappl1 72 170739 0 170355 24 15 9 19 0
8 0
amappl 80 21032 0 21004 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 64 156 0 27 3 0 3 3 0
8 0
uaddrrnd 24 9224 0 9212 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 9224 0 9212 1 0 1 1 0
8 0
vmmpekpl 168 58079 0 58053 2 0 2 2 0
8 0
vmmpepl 168 913651 0 912340 183 115 68 74 0
357 3
vmsppl 264 9223 0 9212 2 1 1 2 0
8 0
pdppl 4096 18455 0 18424 6 1 5 6 0
8 0
pvpl 32 1980157 0 1969764 468 349 119 126 0 265
27
pmappl 200 9223 0 9212 1 0 1 1 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 706 0 291 14 0 14 14 0
8 0
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
May 21, 2019, 2:31:06 PM5/21/19
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following crash on:
HEAD commit: 8ee14a61 Cleanup some residual markup from the ber.3 days.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=149a6418a00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13074ce4a00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+10fe9c...@syzkaller.appspotmail.com
login: 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
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*132855 97089 0 0x2 0 0 syz-executor9794
__assert+0x2e sys/kern/subr_prf.c:159
rtable_insert(0,ffff80000098efc0,0,ffff8000006a1f90,8,fffffd8036dbc5b0) at
rtable_insert+0x66b sys/net/rtable.c:569
rtrequest(1,ffff800014989dc0,0,ffff800014989d38,0) at rtrequest+0x875
sys/net/route.c:928
rtm_output(ffff8000006a1f00,ffff800014989e68,ffff800014989dc0,0,0) at
rtm_output+0x6e5 sys/net/rtsock.c:896
route_output(fffffd8036ce6b00,fffffd80363fcd88,0,0) at route_output+0x7d7
sys/net/rtsock.c:814
route_usrreq(fffffd80363fcd88,9,fffffd8036ce6b00,0,0,ffff8000ffff5780) at
route_usrreq+0x363 sys/net/rtsock.c:271
sosend(fffffd80363fcd88,0,ffff80001498a060,0,0,80) at sosend+0x660
sys/kern/uipc_socket.c:513
sendit(ffff8000ffff5780,4,ffff80001498a140,0,ffff80001498a250) at
sendit+0x53c sys/kern/uipc_syscalls.c:662
sys_sendto(ffff8000ffff5780,ffff80001498a1e8,ffff80001498a250) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff80001498a2c0) at syscall+0x511
Xsyscall(6,0,9c155925000,0,7f7ffffc5bb8,4) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc5b30, count: 2
__assert+0x2e sys/kern/subr_prf.c:159
rtable_insert(0,ffff80000098efc0,0,ffff8000006a1f90,8,fffffd8036dbc5b0) at
rtable_insert+0x66b sys/net/rtable.c:569
rtrequest(1,ffff800014989dc0,0,ffff800014989d38,0) at rtrequest+0x875
sys/net/route.c:928
rtm_output(ffff8000006a1f00,ffff800014989e68,ffff800014989dc0,0,0) at
rtm_output+0x6e5 sys/net/rtsock.c:896
route_output(fffffd8036ce6b00,fffffd80363fcd88,0,0) at route_output+0x7d7
sys/net/rtsock.c:814
route_usrreq(fffffd80363fcd88,9,fffffd8036ce6b00,0,0,ffff8000ffff5780) at
route_usrreq+0x363 sys/net/rtsock.c:271
sosend(fffffd80363fcd88,0,ffff80001498a060,0,0,80) at sosend+0x660
sys/kern/uipc_socket.c:513
sendit(ffff8000ffff5780,4,ffff80001498a140,0,ffff80001498a250) at
sendit+0x53c sys/kern/uipc_syscalls.c:662
sys_sendto(ffff8000ffff5780,ffff80001498a1e8,ffff80001498a250) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff80001498a2c0) at syscall+0x511
Xsyscall(6,0,9c155925000,0,7f7ffffc5bb8,4) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc5b30, count: -13
rbp 0xffff800014989a80
rbx 0xffff800014989b30
rdx 0x2
rcx 0x1
rax 0x1
r8 0xffff800014989a40
r9 0x1
r10 0x127f0927ac13b248
r11 0x8869c1fa2f1be6bc
r12 0x3000000008
r13 0xffff800014989a90
r14 0x100
r15 0x1
rip 0xffffffff81cf22a8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800014989a70
flags process=2<EXEC> proc=0
pri=51, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff4718,0xffffffff82280670
process=0xffff800014952360 user=0xffff800014985000,
vmspace=0xfffffd803f014000
estcpu=1, cpticks=1, pctcpu=0.0
81234 486458 5824 0 3 0x10008a pause ksh
5824 7360 91716 0 2 0x12 sshd
83342 123167 1 0 3 0x100083 ttyin getty
91716 350235 1 0 3 0x80 select sshd
55937 183281 50500 73 3 0x100090 kqread syslogd
50500 70788 1 0 3 0x100082 netio syslogd
42266 349140 1 77 3 0x100090 poll dhclient
6752 471647 1 0 3 0x80 poll dhclient
83692 386315 0 0 2 0x14200 zerothread
82497 148144 0 0 3 0x14200 aiodoned aiodoned
43861 368110 0 0 3 0x14200 syncer update
48480 499140 0 0 3 0x14200 cleaner cleaner
92593 189039 0 0 3 0x14200 reaper reaper
83063 264568 0 0 3 0x14200 pgdaemon pagedaemon
20692 76094 0 0 3 0x14200 bored crynlk
59298 174393 0 0 3 0x14200 bored crypto
54092 309291 0 0 3 0x40014200 acpi0 acpi0
22277 63464 0 0 3 0x14200 bored softnet
21042 230186 0 0 2 0x14200 systqmp
53886 380670 0 0 3 0x14200 bored systq
83727 76490 0 0 3 0x40014200 bored softclock
84628 129745 0 0 3 0x40014200 idle0
5389 190518 0 0 3 0x14200 bored smr
1 1247 0 0 3 0x82 wait init
pcb 25 9K 9K 78643K 57 0 0
rtable 67 2K 2K 78643K 123 0 0
ifaddr 21 7K 7K 78643K 21 0 0
proc 40 30K 38K 78643K 207 0 0
ether_multi 1 0K 0K 78643K 1 0 0
exec 0 0K 1K 78643K 152 0 0
UVM aobj 2 2K 2K 78643K 2 0 0
temp 31 2691K 2755K 78643K 1721 0 0
8 0
inpcbpl 280 22 0 16 1 0 1 1 0
8 0
plimitpl 152 13 0 8 1 0 1 1 0
8 0
rtentry 112 25 0 1 1 0 1 1 0
8 0
syncache 264 5 0 5 2 1 1 1 0
8 1
tcpcb 544 8 0 5 1 0 1 1 0
8 0
8 0
art_table 32 104 0 0 1 0 1 1 0
8 0
art_node 16 24 0 2 1 0 1 1 0
8 0
8 0
ffsino 240 1385 0 16 81 0 81 81 0
8 0
nchpl 144 1558 0 30 57 0 57 57 0
8 0
uvmvnodes 72 1394 0 0 26 0 26 26 0
8 0
vnodes 200 1394 0 0 74 0 74 74 0
8 0
namei 1024 3280 0 3280 3 2 1 1 0
8 1
scxspl 192 2389 0 2389 7 6 1 6 0
8 1
sigapl 432 176 0 166 2 0 2 2 0
8 0
knotepl 112 5 0 0 1 0 1 1 0
8 0
kqueuepl 104 1 0 0 1 0 1 1 0
8 0
pipepl 112 118 0 111 3 2 1 1 0
8 0
fdescpl 424 177 0 166 2 0 2 2 0
8 0
filepl 120 818 0 774 2 0 2 2 0
8 0
lockfpl 104 6 0 6 1 1 0 1 0
8 0
lockfspl 48 3 0 3 1 1 0 1 0
8 0
sessionpl 112 17 0 9 1 0 1 1 0
8 0
pgrppl 48 17 0 9 1 0 1 1 0
8 0
ucredpl 96 47 0 40 1 0 1 1 0
8 0
zombiepl 144 166 0 166 3 2 1 1 0
8 1
processpl 840 191 0 166 4 0 4 4 0
8 0
procpl 600 191 0 166 3 0 3 3 0
8 0
sockpl 384 66 0 48 2 0 2 2 0
8 0
mcl4k 4096 10 0 10 2 1 1 1 0
8 1
mcl2k 2048 5812 0 5781 8 2 6 7 0
8 1
mtagpl 80 2 0 2 1 1 0 1 0
8 0
mbufpl 256 9965 0 9911 6 2 4 5 0
8 0
bufpl 256 2053 0 258 113 0 113 113 0
8 0
anonpl 16 17290 0 16174 6 1 5 6 0
62 0
amapchunkpl 152 491 0 456 2 0 2 2 0
158 0
amappl16 192 76 0 70 1 0 1 1 0
8 0
amappl14 176 14 0 13 3 2 1 1 0
8 0
amappl12 160 5 0 5 1 1 0 1 0
8 0
amappl11 152 41 0 27 1 0 1 1 0
8 0
amappl10 144 45 0 45 3 2 1 1 0
8 1
amappl9 136 375 0 374 1 0 1 1 0
8 0
amappl8 128 84 0 80 1 0 1 1 0
8 0
amappl7 120 14 0 13 1 0 1 1 0
8 0
amappl6 112 41 0 37 1 0 1 1 0
8 0
amappl5 104 131 0 120 1 0 1 1 0
8 0
amappl4 96 315 0 296 1 0 1 1 0
8 0
amappl3 88 154 0 144 1 0 1 1 0
8 0
amappl2 80 688 0 640 4 2 2 2 0
8 1
amappl1 72 11931 0 11546 14 6 8 14 0
8 0
amappl 80 369 0 350 1 0 1 1 0
8 0
uaddrrnd 24 177 0 166 1 0 1 1 0
8 0
vmmpekpl 168 5286 0 5271 1 0 1 1 0
8 0
vmmpepl 168 24808 0 24077 50 15 35 44 0
357 2
vmsppl 264 176 0 166 1 0 1 1 0
8 0
pdppl 4096 360 0 332 5 0 5 5 0
8 0
pvpl 32 71303 0 68562 37 11 26 26 0
265 3
pmappl 200 176 0 166 1 0 1 1 0
8 0
HEAD commit: 8ee14a61 Cleanup some residual markup from the ber.3 days.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=149a6418a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=60e2b7157576c8d7
dashboard link: https://syzkaller.appspot.com/bug?extid=10fe9cd8d0211c562ead
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1282798aa00000
dashboard link: https://syzkaller.appspot.com/bug?extid=10fe9cd8d0211c562ead
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13074ce4a00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+10fe9c...@syzkaller.appspotmail.com
login: 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
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
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(ffffffff81f7bcb4,ffffffff81f37f41,239,ffffffff81f14ad8) at
panic() at panic+0x15c sys/kern/subr_prf.c:212
__assert+0x2e sys/kern/subr_prf.c:159
rtable_insert(0,ffff80000098efc0,0,ffff8000006a1f90,8,fffffd8036dbc5b0) at
rtable_insert+0x66b sys/net/rtable.c:569
rtrequest(1,ffff800014989dc0,0,ffff800014989d38,0) at rtrequest+0x875
sys/net/route.c:928
rtm_output(ffff8000006a1f00,ffff800014989e68,ffff800014989dc0,0,0) at
rtm_output+0x6e5 sys/net/rtsock.c:896
route_output(fffffd8036ce6b00,fffffd80363fcd88,0,0) at route_output+0x7d7
sys/net/rtsock.c:814
route_usrreq(fffffd80363fcd88,9,fffffd8036ce6b00,0,0,ffff8000ffff5780) at
route_usrreq+0x363 sys/net/rtsock.c:271
sosend(fffffd80363fcd88,0,ffff80001498a060,0,0,80) at sosend+0x660
sys/kern/uipc_socket.c:513
sendit(ffff8000ffff5780,4,ffff80001498a140,0,ffff80001498a250) at
sendit+0x53c sys/kern/uipc_syscalls.c:662
sys_sendto(ffff8000ffff5780,ffff80001498a1e8,ffff80001498a250) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff80001498a2c0) at syscall+0x511
Xsyscall(6,0,9c155925000,0,7f7ffffc5bb8,4) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc5b30, 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(ffffffff81f7bcb4,ffffffff81f37f41,239,ffffffff81f14ad8) at
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+0x2e sys/kern/subr_prf.c:159
rtable_insert(0,ffff80000098efc0,0,ffff8000006a1f90,8,fffffd8036dbc5b0) at
rtable_insert+0x66b sys/net/rtable.c:569
rtrequest(1,ffff800014989dc0,0,ffff800014989d38,0) at rtrequest+0x875
sys/net/route.c:928
rtm_output(ffff8000006a1f00,ffff800014989e68,ffff800014989dc0,0,0) at
rtm_output+0x6e5 sys/net/rtsock.c:896
route_output(fffffd8036ce6b00,fffffd80363fcd88,0,0) at route_output+0x7d7
sys/net/rtsock.c:814
route_usrreq(fffffd80363fcd88,9,fffffd8036ce6b00,0,0,ffff8000ffff5780) at
route_usrreq+0x363 sys/net/rtsock.c:271
sosend(fffffd80363fcd88,0,ffff80001498a060,0,0,80) at sosend+0x660
sys/kern/uipc_socket.c:513
sendit(ffff8000ffff5780,4,ffff80001498a140,0,ffff80001498a250) at
sendit+0x53c sys/kern/uipc_syscalls.c:662
sys_sendto(ffff8000ffff5780,ffff80001498a1e8,ffff80001498a250) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff80001498a2c0) at syscall+0x511
Xsyscall(6,0,9c155925000,0,7f7ffffc5bb8,4) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc5b30, count: -13
ddb> show registers
rdi 0
rsi 0x1
rdi 0
rbp 0xffff800014989a80
rbx 0xffff800014989b30
rdx 0x2
rcx 0x1
rax 0x1
r8 0xffff800014989a40
r9 0x1
r10 0x127f0927ac13b248
r11 0x8869c1fa2f1be6bc
r12 0x3000000008
r13 0xffff800014989a90
r14 0x100
r15 0x1
rip 0xffffffff81cf22a8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800014989a70
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor9794) pid=132855 stat=onproc
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
flags process=2<EXEC> proc=0
pri=51, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff4718,0xffffffff82280670
process=0xffff800014952360 user=0xffff800014985000,
vmspace=0xfffffd803f014000
estcpu=1, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*97089 132855 81234 0 7 0x2 syz-executor9794
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
81234 486458 5824 0 3 0x10008a pause ksh
5824 7360 91716 0 2 0x12 sshd
83342 123167 1 0 3 0x100083 ttyin getty
91716 350235 1 0 3 0x80 select sshd
55937 183281 50500 73 3 0x100090 kqread syslogd
50500 70788 1 0 3 0x100082 netio syslogd
42266 349140 1 77 3 0x100090 poll dhclient
6752 471647 1 0 3 0x80 poll dhclient
83692 386315 0 0 2 0x14200 zerothread
82497 148144 0 0 3 0x14200 aiodoned aiodoned
43861 368110 0 0 3 0x14200 syncer update
48480 499140 0 0 3 0x14200 cleaner cleaner
92593 189039 0 0 3 0x14200 reaper reaper
83063 264568 0 0 3 0x14200 pgdaemon pagedaemon
20692 76094 0 0 3 0x14200 bored crynlk
59298 174393 0 0 3 0x14200 bored crypto
54092 309291 0 0 3 0x40014200 acpi0 acpi0
22277 63464 0 0 3 0x14200 bored softnet
21042 230186 0 0 2 0x14200 systqmp
53886 380670 0 0 3 0x14200 bored systq
83727 76490 0 0 3 0x40014200 bored softclock
84628 129745 0 0 3 0x40014200 idle0
5389 190518 0 0 3 0x14200 bored smr
1 1247 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 9426 6306K 6307K 78643K 10519 0 0
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
pcb 25 9K 9K 78643K 57 0 0
rtable 67 2K 2K 78643K 123 0 0
ifaddr 21 7K 7K 78643K 21 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 0 0K 2K 78643K 13 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1174 74K 74K 78643K 1179 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 1K 78643K 2 0 0
UFS mount 5 36K 36K 78643K 5 0 0
VM map 2 0K 0K 78643K 2 0 0
sem 2 0K 0K 78643K 2 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1793 195K 288K 78643K 12537 0 0
file desc 1 0K 0K 78643K 1 0 0
ACPI 1793 195K 288K 78643K 12537 0 0
proc 40 30K 38K 78643K 207 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
in_multi 11 0K 0K 78643K 11 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ether_multi 1 0K 0K 78643K 1 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 18 79K 79K 78643K 18 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
exec 0 0K 1K 78643K 152 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 51 2K 3K 78643K 702 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 aobj 2 2K 2K 78643K 2 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
NDP 3 0K 0K 78643K 3 0 0
crypto data 1 1K 1K 78643K 1 0 0
temp 31 2691K 2755K 78643K 1721 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 2 0 0 1 0 1 1 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
8 0
inpcbpl 280 22 0 16 1 0 1 1 0
8 0
plimitpl 152 13 0 8 1 0 1 1 0
8 0
rtentry 112 25 0 1 1 0 1 1 0
8 0
syncache 264 5 0 5 2 1 1 1 0
8 1
tcpcb 544 8 0 5 1 0 1 1 0
8 0
art_heap8 4096 2 0 0 2 0 2 2 0
8 0
art_heap4 256 102 0 0 7 0 7 7 0
8 0
8 0
art_table 32 104 0 0 1 0 1 1 0
8 0
art_node 16 24 0 2 1 0 1 1 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 1385 0 16 45 0 45 45 0
8 0
8 0
ffsino 240 1385 0 16 81 0 81 81 0
8 0
nchpl 144 1558 0 30 57 0 57 57 0
8 0
uvmvnodes 72 1394 0 0 26 0 26 26 0
8 0
vnodes 200 1394 0 0 74 0 74 74 0
8 0
namei 1024 3280 0 3280 3 2 1 1 0
8 1
scxspl 192 2389 0 2389 7 6 1 6 0
8 1
sigapl 432 176 0 166 2 0 2 2 0
8 0
knotepl 112 5 0 0 1 0 1 1 0
8 0
kqueuepl 104 1 0 0 1 0 1 1 0
8 0
pipepl 112 118 0 111 3 2 1 1 0
8 0
fdescpl 424 177 0 166 2 0 2 2 0
8 0
filepl 120 818 0 774 2 0 2 2 0
8 0
lockfpl 104 6 0 6 1 1 0 1 0
8 0
lockfspl 48 3 0 3 1 1 0 1 0
8 0
sessionpl 112 17 0 9 1 0 1 1 0
8 0
pgrppl 48 17 0 9 1 0 1 1 0
8 0
ucredpl 96 47 0 40 1 0 1 1 0
8 0
zombiepl 144 166 0 166 3 2 1 1 0
8 1
processpl 840 191 0 166 4 0 4 4 0
8 0
procpl 600 191 0 166 3 0 3 3 0
8 0
sockpl 384 66 0 48 2 0 2 2 0
8 0
mcl4k 4096 10 0 10 2 1 1 1 0
8 1
mcl2k 2048 5812 0 5781 8 2 6 7 0
8 1
mtagpl 80 2 0 2 1 1 0 1 0
8 0
mbufpl 256 9965 0 9911 6 2 4 5 0
8 0
bufpl 256 2053 0 258 113 0 113 113 0
8 0
anonpl 16 17290 0 16174 6 1 5 6 0
62 0
amapchunkpl 152 491 0 456 2 0 2 2 0
158 0
amappl16 192 76 0 70 1 0 1 1 0
8 0
amappl14 176 14 0 13 3 2 1 1 0
8 0
amappl12 160 5 0 5 1 1 0 1 0
8 0
amappl11 152 41 0 27 1 0 1 1 0
8 0
amappl10 144 45 0 45 3 2 1 1 0
8 1
amappl9 136 375 0 374 1 0 1 1 0
8 0
amappl8 128 84 0 80 1 0 1 1 0
8 0
amappl7 120 14 0 13 1 0 1 1 0
8 0
amappl6 112 41 0 37 1 0 1 1 0
8 0
amappl5 104 131 0 120 1 0 1 1 0
8 0
amappl4 96 315 0 296 1 0 1 1 0
8 0
amappl3 88 154 0 144 1 0 1 1 0
8 0
amappl2 80 688 0 640 4 2 2 2 0
8 1
amappl1 72 11931 0 11546 14 6 8 14 0
8 0
amappl 80 369 0 350 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 1 0 0 1 0 1 1 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
8 0
uaddrrnd 24 177 0 166 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 177 0 166 1 0 1 1 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
8 0
vmmpekpl 168 5286 0 5271 1 0 1 1 0
8 0
vmmpepl 168 24808 0 24077 50 15 35 44 0
357 2
vmsppl 264 176 0 166 1 0 1 1 0
8 0
pdppl 4096 360 0 332 5 0 5 5 0
8 0
pvpl 32 71303 0 68562 37 11 26 26 0
265 3
pmappl 200 176 0 166 1 0 1 1 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 233 0 9 7 0 7 7 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
8 0
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