assert "sb->sb_cc == 0" failed in uipc_socket2.c
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syzbot
Feb 16, 2020, 2:11:10 PM2/16/20
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 421bfb1f Force a guest info update when we get a Capabilit..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=13e8f579e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=279760c986b1ec892989
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+279760...@syzkaller.appspotmail.com
panic: kernel diagnostic assertion "sb->sb_cc == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/uipc_socket2.c", line 934
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(ffffffff821c8ff1) at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff822204b8,ffffffff821fe148,3a6,ffffffff82209b73) at __assert+0x2b sys/kern/subr_prf.c:154
sbflush(ffff80001e43fb18,ffff80001e43fba0) at sbflush+0x17d sys/kern/uipc_socket2.c:935
sbrelease(ffff80001e43fb18,ffff80001e43fba0) at sbrelease+0x2e sys/kern/uipc_socket2.c:525
sorflush(fffffd805299d658) at sorflush+0x14b sys/kern/uipc_socket.c:1131
sofree(fffffd805299d658,42) at sofree+0x147 sys/kern/uipc_socket.c:257
soclose(fffffd805299d658,0) at soclose+0x268 sys/kern/uipc_socket.c:338
soo_close(fffffd805d8848f0,ffff80001d35e398) at soo_close+0x40
fdrop(fffffd805d8848f0,ffff80001d35e398) at fdrop+0xc2 sys/kern/kern_descrip.c:1264
closef(fffffd805d8848f0,ffff80001d35e398) at closef+0x117 sys/kern/kern_descrip.c:1248
fdfree(ffff80001d35e398) at fdfree+0x100 sys/kern/kern_descrip.c:1180
exit1(ffff80001d35e398,0,0,1) at exit1+0x334 sys/kern/kern_exit.c:196
sys_exit(ffff80001d35e398,ffff80001e43ff70,ffff80001e43ffc0) at sys_exit+0x16 sys/kern/kern_exit.c:94
end trace frame: 0xffff80001e440030, count: 0
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 "sb->sb_cc == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/uipc_socket2.c", line 934
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821c8ff1) at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff822204b8,ffffffff821fe148,3a6,ffffffff82209b73) at __assert+0x2b sys/kern/subr_prf.c:154
sbflush(ffff80001e43fb18,ffff80001e43fba0) at sbflush+0x17d sys/kern/uipc_socket2.c:935
sbrelease(ffff80001e43fb18,ffff80001e43fba0) at sbrelease+0x2e sys/kern/uipc_socket2.c:525
sorflush(fffffd805299d658) at sorflush+0x14b sys/kern/uipc_socket.c:1131
sofree(fffffd805299d658,42) at sofree+0x147 sys/kern/uipc_socket.c:257
soclose(fffffd805299d658,0) at soclose+0x268 sys/kern/uipc_socket.c:338
soo_close(fffffd805d8848f0,ffff80001d35e398) at soo_close+0x40
fdrop(fffffd805d8848f0,ffff80001d35e398) at fdrop+0xc2 sys/kern/kern_descrip.c:1264
closef(fffffd805d8848f0,ffff80001d35e398) at closef+0x117 sys/kern/kern_descrip.c:1248
fdfree(ffff80001d35e398) at fdfree+0x100 sys/kern/kern_descrip.c:1180
exit1(ffff80001d35e398,0,0,1) at exit1+0x334 sys/kern/kern_exit.c:196
sys_exit(ffff80001d35e398,ffff80001e43ff70,ffff80001e43ffc0) at sys_exit+0x16 sys/kern/kern_exit.c:94
syscall(ffff80001e440040) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffaf80, count: -16
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001e43f9a0
rbx 0xffff80001e43fa50
rdx 0x2
rcx 0
rax 0
r8 0xffff80001e43f960
r9 0x1
r10 0
r11 0x5bfbf2f16214953c
r12 0x3000000008
r13 0xffff80001e43f9b0
r14 0x100
r15 0x1
rip 0xffffffff81cd8128 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001e43f990
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=336385 stat=onproc
flags process=1018<EXITING,SUGID,SINGLEEXIT> proc=2000<WEXIT>
pri=32, usrpri=72, nice=20
forw=0xffffffffffffffff, list=0xffff80001d35e128,0xffffffff82567650
process=0xffff8000ffffbc10 user=0xffff80001e43b000, vmspace=0xfffffd8067600cc8
estcpu=22, cpticks=4, pctcpu=0.6
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
16057 517824 42051 0 2 0x482 syz-executor.0
59979 43540 0 0 3 0x14200 acct acct
10946 151421 0 0 3 0x14200 bored sosplice
60333 351233 42051 0 3 0x82 piperd syz-executor.1
42051 386260 65520 0 3 0x82 thrsleep syz-fuzzer
42051 387100 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 67215 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 266409 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 319493 65520 0 3 0x4000082 kqread syz-fuzzer
42051 78901 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 366811 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 413783 65520 0 3 0x4000082 thrsleep syz-fuzzer
65520 502839 72041 0 3 0x10008a pause ksh
72041 249799 35875 0 3 0x92 select sshd
72681 214153 1 0 3 0x100083 ttyin getty
35875 385180 1 0 3 0x80 select sshd
2745 522500 15967 73 3 0x100090 kqread syslogd
15967 27219 1 0 3 0x100082 netio syslogd
49514 305576 1 77 3 0x100090 poll dhclient
10600 332374 1 0 3 0x80 poll dhclient
3829 295987 0 0 3 0x14200 pgzero zerothread
82068 265109 0 0 3 0x14200 aiodoned aiodoned
33259 21959 0 0 3 0x14200 syncer update
34567 442414 0 0 3 0x14200 cleaner cleaner
26210 192500 0 0 3 0x14200 reaper reaper
13703 237398 0 0 3 0x14200 pgdaemon pagedaemon
37210 354743 0 0 3 0x14200 bored crynlk
80593 349637 0 0 3 0x14200 bored crypto
73253 318999 0 0 3 0x40014200 acpi0 acpi0
56199 293669 0 0 3 0x14200 bored softnet
55602 112343 0 0 3 0x14200 bored systqmp
73212 504564 0 0 3 0x14200 bored systq
53468 350090 0 0 3 0x40014200 bored softclock
1018 273510 0 0 3 0x40014200 idle0
10261 52884 0 0 3 0x14200 bored smr
1 226598 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
devbuf 9497 6357K 6844K 78643K 11199 0
pcb 13 10K 12K 78643K 64 0
rtable 99 2K 3K 78643K 308 0
ifaddr 65 12K 13K 78643K 116 0
counters 21 16K 16K 78643K 25 0
ioctlops 0 0K 2K 78643K 44 0
iov 0 0K 24K 78643K 78 0
mount 1 1K 1K 78643K 1 0
vnodes 1218 77K 77K 78643K 1393 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 5 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 72 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1794 195K 288K 78643K 12646 0
file desc 5 13K 25K 78643K 321 0
sigio 0 0K 0K 78643K 4 0
proc 49 38K 55K 78643K 423 0
subproc 32 2K 2K 78643K 51 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 24 0
in_multi 45 2K 3K 78643K 89 0
ether_multi 1 0K 0K 78643K 8 0
mrt 0 0K 0K 78643K 2 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 55 254K 254K 78643K 55 0
exec 0 0K 1K 78643K 247 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 114 54K 54K 78643K 1626 0
UVM aobj 17 2K 2K 78643K 19 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 1K 78643K 40 0
NDP 11 0K 0K 78643K 23 0
temp 119 3024K 3088K 78643K 20143 0
kqueue 3 4K 12K 78643K 36 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 9 0 3 1 0 1 1 0 8 0
rtpcb 80 39 0 37 1 0 1 1 0 8 0
rtentry 112 70 0 29 2 0 2 2 0 8 0
unpcb 120 159 0 149 1 0 1 1 0 8 0
syncache 264 8 0 8 2 2 0 1 0 8 0
tcpqe 32 91 0 91 1 1 0 1 0 8 0
tcpcb 544 532 0 524 20 17 3 15 0 8 1
ipq 40 6 0 6 2 1 1 1 0 8 1
ipqe 40 102 0 102 2 1 1 1 0 8 1
inpcb 280 912 0 901 9 7 2 9 0 8 0
rttmr 72 1 0 1 1 1 0 1 0 8 0
nd6 48 11 0 7 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 1 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 286 0 114 13 1 12 13 0 8 1
art_table 32 287 0 114 2 0 2 2 0 8 0
art_node 16 67 0 29 1 0 1 1 0 8 0
sysvmsgpl 40 20 0 8 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 70 0 60 1 0 1 1 0 8 0
shmpl 112 17 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1865 0 468 46 0 46 46 0 8 0
ffsino 240 1865 0 468 83 0 83 83 0 8 0
nchpl 144 2620 0 1022 60 0 60 60 0 8 0
uvmvnodes 72 2007 0 0 37 0 37 37 0 8 0
vnodes 208 2007 0 0 106 0 106 106 0 8 0
namei 1024 7530 0 7530 1 0 1 1 0 8 1
vcpupl 1984 3 0 0 1 0 1 1 0 8 0
vmpool 528 7 0 4 1 0 1 1 0 8 0
scsiplug 64 1 0 1 1 1 0 1 0 8 0
scxspl 192 7657 0 7657 1 0 1 1 0 8 1
plimitpl 152 34 0 27 1 0 1 1 0 8 0
sigapl 432 489 0 476 2 0 2 2 0 8 0
futexpl 56 9088 0 9088 1 0 1 1 0 8 1
knotepl 112 119 0 100 1 0 1 1 0 8 0
kqueuepl 144 582 0 580 5 4 1 5 0 8 0
pipelkpl 16 173 0 163 1 0 1 1 0 8 0
pipepl 120 346 0 327 3 1 2 2 0 8 1
fdescpl 432 490 0 476 2 0 2 2 0 8 0
filepl 120 4304 0 4204 11 6 5 11 0 8 1
lockfpl 104 98 0 95 1 0 1 1 0 8 0
lockfspl 48 35 0 33 1 0 1 1 0 8 0
sessionpl 112 18 0 8 1 0 1 1 0 8 0
pgrppl 48 18 0 8 1 0 1 1 0 8 0
ucredpl 96 333 0 324 1 0 1 1 0 8 0
zombiepl 144 477 0 476 1 0 1 1 0 8 0
processpl 896 506 0 476 4 0 4 4 0 8 0
procpl 624 884 0 847 4 0 4 4 0 8 0
sosppl 128 12 0 12 2 1 1 1 0 8 1
sockpl 400 1118 0 1094 18 14 4 14 0 8 1
mcl64k 65536 302 0 302 33 2 31 33 0 8 31
mcl16k 16384 4 0 4 1 1 0 1 0 8 0
mcl12k 12288 12 0 12 2 1 1 1 0 8 1
mcl9k 9216 5 0 5 2 1 1 1 0 8 1
mcl8k 8192 36 0 36 1 0 1 1 0 8 1
mcl4k 4096 44 0 44 2 1 1 1 0 8 1
mcl2k2 2112 3 0 3 2 1 1 1 0 8 1
mcl2k 2048 65428 0 65393 13 7 6 11 0 8 1
mtagpl 80 19 0 19 2 1 1 1 0 8 1
mbufpl 256 107222 0 107151 26 10 16 23 0 8 8
bufpl 280 4895 0 165 338 0 338 338 0 8 0
anonpl 16 66639 0 50760 80 4 76 76 0 107 8
amapchunkpl 152 2195 0 2046 10 3 7 9 0 158 1
amappl16 192 2626 0 1712 59 3 56 58 0 8 8
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 6 0 1 2 1 1 1 0 8 0
amappl13 168 37 0 35 1 0 1 1 0 8 0
amappl12 160 106 0 106 2 1 1 1 0 8 1
amappl11 152 73 0 61 1 0 1 1 0 8 0
amappl10 144 188 0 180 1 0 1 1 0 8 0
amappl9 136 376 0 373 1 0 1 1 0 8 0
amappl8 128 287 0 269 1 0 1 1 0 8 0
amappl7 120 282 0 269 1 0 1 1 0 8 0
amappl6 112 26 0 22 1 0 1 1 0 8 0
amappl5 104 527 0 515 1 0 1 1 0 8 0
amappl4 96 460 0 427 2 1 1 2 0 8 0
amappl3 88 118 0 111 1 0 1 1 0 8 0
amappl2 80 3078 0 3015 3 1 2 3 0 8 0
amappl1 72 18346 0 17924 26 17 9 20 0 8 0
amappl 80 1131 0 1081 2 0 2 2 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
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 64 18 0 2 1 0 1 1 0 8 0
uaddrrnd 24 497 0 480 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 497 0 480 1 0 1 1 0 8 0
vmmpekpl 168 7479 0 7451 2 0 2 2 0 8 0
vmmpepl 168 65847 0 63849 138 17 121 121 0 357 33
vmsppl 272 496 0 480 2 0 2 2 0 8 0
pdppl 4096 1000 0 963 6 1 5 6 0 8 0
pvpl 32 202266 0 183417 181 4 177 177 0 265 17
pmappl 200 496 0 480 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 229 0 56 6 0 6 6 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: 421bfb1f Force a guest info update when we get a Capabilit..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=13e8f579e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=279760c986b1ec892989
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+279760...@syzkaller.appspotmail.com
panic: kernel diagnostic assertion "sb->sb_cc == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/uipc_socket2.c", line 934
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(ffffffff821c8ff1) at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff822204b8,ffffffff821fe148,3a6,ffffffff82209b73) at __assert+0x2b sys/kern/subr_prf.c:154
sbflush(ffff80001e43fb18,ffff80001e43fba0) at sbflush+0x17d sys/kern/uipc_socket2.c:935
sbrelease(ffff80001e43fb18,ffff80001e43fba0) at sbrelease+0x2e sys/kern/uipc_socket2.c:525
sorflush(fffffd805299d658) at sorflush+0x14b sys/kern/uipc_socket.c:1131
sofree(fffffd805299d658,42) at sofree+0x147 sys/kern/uipc_socket.c:257
soclose(fffffd805299d658,0) at soclose+0x268 sys/kern/uipc_socket.c:338
soo_close(fffffd805d8848f0,ffff80001d35e398) at soo_close+0x40
fdrop(fffffd805d8848f0,ffff80001d35e398) at fdrop+0xc2 sys/kern/kern_descrip.c:1264
closef(fffffd805d8848f0,ffff80001d35e398) at closef+0x117 sys/kern/kern_descrip.c:1248
fdfree(ffff80001d35e398) at fdfree+0x100 sys/kern/kern_descrip.c:1180
exit1(ffff80001d35e398,0,0,1) at exit1+0x334 sys/kern/kern_exit.c:196
sys_exit(ffff80001d35e398,ffff80001e43ff70,ffff80001e43ffc0) at sys_exit+0x16 sys/kern/kern_exit.c:94
end trace frame: 0xffff80001e440030, count: 0
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 "sb->sb_cc == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/uipc_socket2.c", line 934
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821c8ff1) at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff822204b8,ffffffff821fe148,3a6,ffffffff82209b73) at __assert+0x2b sys/kern/subr_prf.c:154
sbflush(ffff80001e43fb18,ffff80001e43fba0) at sbflush+0x17d sys/kern/uipc_socket2.c:935
sbrelease(ffff80001e43fb18,ffff80001e43fba0) at sbrelease+0x2e sys/kern/uipc_socket2.c:525
sorflush(fffffd805299d658) at sorflush+0x14b sys/kern/uipc_socket.c:1131
sofree(fffffd805299d658,42) at sofree+0x147 sys/kern/uipc_socket.c:257
soclose(fffffd805299d658,0) at soclose+0x268 sys/kern/uipc_socket.c:338
soo_close(fffffd805d8848f0,ffff80001d35e398) at soo_close+0x40
fdrop(fffffd805d8848f0,ffff80001d35e398) at fdrop+0xc2 sys/kern/kern_descrip.c:1264
closef(fffffd805d8848f0,ffff80001d35e398) at closef+0x117 sys/kern/kern_descrip.c:1248
fdfree(ffff80001d35e398) at fdfree+0x100 sys/kern/kern_descrip.c:1180
exit1(ffff80001d35e398,0,0,1) at exit1+0x334 sys/kern/kern_exit.c:196
sys_exit(ffff80001d35e398,ffff80001e43ff70,ffff80001e43ffc0) at sys_exit+0x16 sys/kern/kern_exit.c:94
syscall(ffff80001e440040) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffaf80, count: -16
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001e43f9a0
rbx 0xffff80001e43fa50
rdx 0x2
rcx 0
rax 0
r8 0xffff80001e43f960
r9 0x1
r10 0
r11 0x5bfbf2f16214953c
r12 0x3000000008
r13 0xffff80001e43f9b0
r14 0x100
r15 0x1
rip 0xffffffff81cd8128 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001e43f990
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=336385 stat=onproc
flags process=1018<EXITING,SUGID,SINGLEEXIT> proc=2000<WEXIT>
pri=32, usrpri=72, nice=20
forw=0xffffffffffffffff, list=0xffff80001d35e128,0xffffffff82567650
process=0xffff8000ffffbc10 user=0xffff80001e43b000, vmspace=0xfffffd8067600cc8
estcpu=22, cpticks=4, pctcpu=0.6
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
16057 517824 42051 0 2 0x482 syz-executor.0
59979 43540 0 0 3 0x14200 acct acct
10946 151421 0 0 3 0x14200 bored sosplice
60333 351233 42051 0 3 0x82 piperd syz-executor.1
42051 386260 65520 0 3 0x82 thrsleep syz-fuzzer
42051 387100 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 67215 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 266409 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 319493 65520 0 3 0x4000082 kqread syz-fuzzer
42051 78901 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 366811 65520 0 3 0x4000082 thrsleep syz-fuzzer
42051 413783 65520 0 3 0x4000082 thrsleep syz-fuzzer
65520 502839 72041 0 3 0x10008a pause ksh
72041 249799 35875 0 3 0x92 select sshd
72681 214153 1 0 3 0x100083 ttyin getty
35875 385180 1 0 3 0x80 select sshd
2745 522500 15967 73 3 0x100090 kqread syslogd
15967 27219 1 0 3 0x100082 netio syslogd
49514 305576 1 77 3 0x100090 poll dhclient
10600 332374 1 0 3 0x80 poll dhclient
3829 295987 0 0 3 0x14200 pgzero zerothread
82068 265109 0 0 3 0x14200 aiodoned aiodoned
33259 21959 0 0 3 0x14200 syncer update
34567 442414 0 0 3 0x14200 cleaner cleaner
26210 192500 0 0 3 0x14200 reaper reaper
13703 237398 0 0 3 0x14200 pgdaemon pagedaemon
37210 354743 0 0 3 0x14200 bored crynlk
80593 349637 0 0 3 0x14200 bored crypto
73253 318999 0 0 3 0x40014200 acpi0 acpi0
56199 293669 0 0 3 0x14200 bored softnet
55602 112343 0 0 3 0x14200 bored systqmp
73212 504564 0 0 3 0x14200 bored systq
53468 350090 0 0 3 0x40014200 bored softclock
1018 273510 0 0 3 0x40014200 idle0
10261 52884 0 0 3 0x14200 bored smr
1 226598 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
devbuf 9497 6357K 6844K 78643K 11199 0
pcb 13 10K 12K 78643K 64 0
rtable 99 2K 3K 78643K 308 0
ifaddr 65 12K 13K 78643K 116 0
counters 21 16K 16K 78643K 25 0
ioctlops 0 0K 2K 78643K 44 0
iov 0 0K 24K 78643K 78 0
mount 1 1K 1K 78643K 1 0
vnodes 1218 77K 77K 78643K 1393 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 5 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 72 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1794 195K 288K 78643K 12646 0
file desc 5 13K 25K 78643K 321 0
sigio 0 0K 0K 78643K 4 0
proc 49 38K 55K 78643K 423 0
subproc 32 2K 2K 78643K 51 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 24 0
in_multi 45 2K 3K 78643K 89 0
ether_multi 1 0K 0K 78643K 8 0
mrt 0 0K 0K 78643K 2 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 55 254K 254K 78643K 55 0
exec 0 0K 1K 78643K 247 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 114 54K 54K 78643K 1626 0
UVM aobj 17 2K 2K 78643K 19 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 1K 78643K 40 0
NDP 11 0K 0K 78643K 23 0
temp 119 3024K 3088K 78643K 20143 0
kqueue 3 4K 12K 78643K 36 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 9 0 3 1 0 1 1 0 8 0
rtpcb 80 39 0 37 1 0 1 1 0 8 0
rtentry 112 70 0 29 2 0 2 2 0 8 0
unpcb 120 159 0 149 1 0 1 1 0 8 0
syncache 264 8 0 8 2 2 0 1 0 8 0
tcpqe 32 91 0 91 1 1 0 1 0 8 0
tcpcb 544 532 0 524 20 17 3 15 0 8 1
ipq 40 6 0 6 2 1 1 1 0 8 1
ipqe 40 102 0 102 2 1 1 1 0 8 1
inpcb 280 912 0 901 9 7 2 9 0 8 0
rttmr 72 1 0 1 1 1 0 1 0 8 0
nd6 48 11 0 7 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 1 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 286 0 114 13 1 12 13 0 8 1
art_table 32 287 0 114 2 0 2 2 0 8 0
art_node 16 67 0 29 1 0 1 1 0 8 0
sysvmsgpl 40 20 0 8 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 70 0 60 1 0 1 1 0 8 0
shmpl 112 17 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1865 0 468 46 0 46 46 0 8 0
ffsino 240 1865 0 468 83 0 83 83 0 8 0
nchpl 144 2620 0 1022 60 0 60 60 0 8 0
uvmvnodes 72 2007 0 0 37 0 37 37 0 8 0
vnodes 208 2007 0 0 106 0 106 106 0 8 0
namei 1024 7530 0 7530 1 0 1 1 0 8 1
vcpupl 1984 3 0 0 1 0 1 1 0 8 0
vmpool 528 7 0 4 1 0 1 1 0 8 0
scsiplug 64 1 0 1 1 1 0 1 0 8 0
scxspl 192 7657 0 7657 1 0 1 1 0 8 1
plimitpl 152 34 0 27 1 0 1 1 0 8 0
sigapl 432 489 0 476 2 0 2 2 0 8 0
futexpl 56 9088 0 9088 1 0 1 1 0 8 1
knotepl 112 119 0 100 1 0 1 1 0 8 0
kqueuepl 144 582 0 580 5 4 1 5 0 8 0
pipelkpl 16 173 0 163 1 0 1 1 0 8 0
pipepl 120 346 0 327 3 1 2 2 0 8 1
fdescpl 432 490 0 476 2 0 2 2 0 8 0
filepl 120 4304 0 4204 11 6 5 11 0 8 1
lockfpl 104 98 0 95 1 0 1 1 0 8 0
lockfspl 48 35 0 33 1 0 1 1 0 8 0
sessionpl 112 18 0 8 1 0 1 1 0 8 0
pgrppl 48 18 0 8 1 0 1 1 0 8 0
ucredpl 96 333 0 324 1 0 1 1 0 8 0
zombiepl 144 477 0 476 1 0 1 1 0 8 0
processpl 896 506 0 476 4 0 4 4 0 8 0
procpl 624 884 0 847 4 0 4 4 0 8 0
sosppl 128 12 0 12 2 1 1 1 0 8 1
sockpl 400 1118 0 1094 18 14 4 14 0 8 1
mcl64k 65536 302 0 302 33 2 31 33 0 8 31
mcl16k 16384 4 0 4 1 1 0 1 0 8 0
mcl12k 12288 12 0 12 2 1 1 1 0 8 1
mcl9k 9216 5 0 5 2 1 1 1 0 8 1
mcl8k 8192 36 0 36 1 0 1 1 0 8 1
mcl4k 4096 44 0 44 2 1 1 1 0 8 1
mcl2k2 2112 3 0 3 2 1 1 1 0 8 1
mcl2k 2048 65428 0 65393 13 7 6 11 0 8 1
mtagpl 80 19 0 19 2 1 1 1 0 8 1
mbufpl 256 107222 0 107151 26 10 16 23 0 8 8
bufpl 280 4895 0 165 338 0 338 338 0 8 0
anonpl 16 66639 0 50760 80 4 76 76 0 107 8
amapchunkpl 152 2195 0 2046 10 3 7 9 0 158 1
amappl16 192 2626 0 1712 59 3 56 58 0 8 8
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 6 0 1 2 1 1 1 0 8 0
amappl13 168 37 0 35 1 0 1 1 0 8 0
amappl12 160 106 0 106 2 1 1 1 0 8 1
amappl11 152 73 0 61 1 0 1 1 0 8 0
amappl10 144 188 0 180 1 0 1 1 0 8 0
amappl9 136 376 0 373 1 0 1 1 0 8 0
amappl8 128 287 0 269 1 0 1 1 0 8 0
amappl7 120 282 0 269 1 0 1 1 0 8 0
amappl6 112 26 0 22 1 0 1 1 0 8 0
amappl5 104 527 0 515 1 0 1 1 0 8 0
amappl4 96 460 0 427 2 1 1 2 0 8 0
amappl3 88 118 0 111 1 0 1 1 0 8 0
amappl2 80 3078 0 3015 3 1 2 3 0 8 0
amappl1 72 18346 0 17924 26 17 9 20 0 8 0
amappl 80 1131 0 1081 2 0 2 2 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
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 64 18 0 2 1 0 1 1 0 8 0
uaddrrnd 24 497 0 480 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 497 0 480 1 0 1 1 0 8 0
vmmpekpl 168 7479 0 7451 2 0 2 2 0 8 0
vmmpepl 168 65847 0 63849 138 17 121 121 0 357 33
vmsppl 272 496 0 480 2 0 2 2 0 8 0
pdppl 4096 1000 0 963 6 1 5 6 0 8 0
pvpl 32 202266 0 183417 181 4 177 177 0 265 17
pmappl 200 496 0 480 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 229 0 56 6 0 6 6 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
Jun 29, 2020, 6:21:11 PM6/29/20
to syzkaller-o...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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