| Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
|---|---|---|---|---|---|---|
| panic: malloc: allocation too large, type = 2, size = ADDR | C | 914 | 2138d | 2201d |
syzbot |
sign-in | mailing list | source | docs |
login: panic: mallocarray: overflow 18446744071562067968 * 8
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*211443 73897 0 0x2 0 0 syz-executor2444
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:399
panic() at panic+0x154 sys/kern/subr_prf.c:208
mallocarray(6272ade2300c7486,7fffffff,80000000,82) at mallocarray+0xec
wsmux_getmux(19d433a91bf8ed67) at wsmux_getmux+0x6f sys/dev/wscons/wsmux.c:135
wsmux_do_ioctl(1ea22aad786082f4,80085761,fffffd80355b18a0,82,fffffd803f7c7ba0) a
t wsmux_do_ioctl+0x268
VOP_IOCTL(4100270dde7ab8cb,80085761,fffffd80361ca0f8,ffff80001496c268,fffffd80355b18a0,ffff80001496c268) at VOP_IOCTL+0x80 sys/kern/vfs_vops.c:290
vn_ioctl(b72d78449c0c7fe6,fffffd80361ca0f8,ffff80001496c268,8) at vn_ioctl+0xc5 sys/kern/vfs_vnops.c:512
sys_ioctl(10a1d4d71c3c052c,2,ffff80001496c268) at sys_ioctl+0x639
syscall(3a6a3d0078531698) at syscall+0x528
Xsyscall(6,0,7f7ffffdbbd8,0,1,7f7ffffdbbe8) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffdbb70, count: 5
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> show panic
mallocarray: overflow 18446744071562067968 * 8
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:399
panic() at panic+0x154 sys/kern/subr_prf.c:208
mallocarray(6272ade2300c7486,7fffffff,80000000,82) at mallocarray+0xec
wsmux_getmux(19d433a91bf8ed67) at wsmux_getmux+0x6f sys/dev/wscons/wsmux.c:135
wsmux_do_ioctl(1ea22aad786082f4,80085761,fffffd80355b18a0,82,fffffd803f7c7ba0) at wsmux_do_ioctl+0x268 wsmux_add_mux sys/dev/wscons/wsmux.c:563 [inline]
wsmux_do_ioctl(1ea22aad786082f4,80085761,fffffd80355b18a0,82,fffffd803f7c7ba0) at wsmux_do_ioctl+0x268 sys/dev/wscons/wsmux.c:424
VOP_IOCTL(4100270dde7ab8cb,80085761,fffffd80361ca0f8,ffff80001496c268,fffffd80355b18a0,ffff80001496c268) at VOP_IOCTL+0x80 sys/kern/vfs_vops.c:290
vn_ioctl(b72d78449c0c7fe6,fffffd80361ca0f8,ffff80001496c268,8) at vn_ioctl+0xc5 sys/kern/vfs_vnops.c:512sys_ioctl(10a1d4d71c3c052c,2,ffff80001496c268) at sys_ioctl+0x639
syscall(3a6a3d0078531698) at syscall+0x528
Xsyscall(6,0,7f7ffffdbbd8,0,1,7f7ffffdbbe8) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffdbb70, count: -10
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff8000149a3b40
rbx 0xffff8000149a3be0
rdx 0x8b
rcx 0x1
rax 0x1
r8 0xffffffff813e1344 kprintf+0x184
r9 0x1
r10 0xf1904ef1063f3204
r11 0xeceda87443a9fab4
r12 0x3000000008
r13 0xffff8000149a3b50
r14 0x100
r15 0x1
rip 0xffffffff8111eb78 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000149a3b30
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor2444) pid=211443 stat=onproc
flags process=2<EXEC> proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff80001496c970,0xffffffff82229718
process=0xffff8000ffff73c0 user=0xffff80001499f000, vmspace=0xfffffd803f015210
estcpu=0, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*73897 211443 32311 0 7 0x2 syz-executor2444
32311 479400 9047 0 3 0x10008a pause ksh
9047 312248 30285 0 3 0x92 select sshd
48289 132453 1 0 3 0x100083 ttyin getty
30285 349563 1 0 3 0x80 select sshd
108 187453 84761 73 3 0x100090 kqread syslogd
84761 396966 1 0 3 0x100082 netio syslogd
27777 98359 1 77 3 0x100090 poll dhclient
61280 342652 1 0 3 0x80 poll dhclient
57114 460914 0 0 3 0x14200 pgzero zerothread
86401 182935 0 0 3 0x14200 aiodoned aiodoned
57196 21747 0 0 3 0x14200 syncer update
17205 347434 0 0 3 0x14200 cleaner cleaner
62155 130196 0 0 3 0x14200 reaper reaper
81790 389862 0 0 3 0x14200 pgdaemon pagedaemon
63064 94284 0 0 3 0x14200 bored crynlk
54065 293878 0 0 3 0x14200 bored crypto
60252 14071 0 0 3 0x40014200 acpi0 acpi0
97731 173904 0 0 3 0x14200 bored softnet
81814 495473 0 0 3 0x14200 bored systqmp
32188 304465 0 0 3 0x14200 bored systq
96910 218540 0 0 3 0x40014200 bored softclock
98254 208307 0 0 3 0x40014200 idle0
1 266194 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
pcb 23 9K 9K 78643K 55 0 0
rtable 61 1K 2K 78643K 115 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 1166 73K 73K 78643K 1172 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
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 1777 193K 286K 78643K 12501 0 0
file desc 1 0K 0K 78643K 1 0 0
proc 40 30K 38K 78643K 201 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
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
exec 0 0K 1K 78643K 149 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 46 2K 3K 78643K 649 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
temp 30 2327K 2391K 78643K 1690 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 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 23 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 1 0 0 1 0 1 1 0 8 0
art_heap4 256 96 0 0 6 0 6 6 0 8 0
art_table 32 97 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1383 0 18 45 0 45 45 0 8 0
ffsino 240 1383 0 18 81 0 81 81 0 8 0
nchpl 144 1554 0 30 57 0 57 57 0 8 0
uvmvnodes 72 1392 0 0 26 0 26 26 0 8 0
vnodes 200 1392 0 0 74 0 74 74 0 8 0
namei 1024 3257 0 3257 3 2 1 1 0 8 1
scxspl 192 2337 0 2337 8 7 1 6 0 8 1
sigapl 432 173 0 163 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 112 114 0 107 3 2 1 1 0 8 0
fdescpl 424 174 0 163 2 0 2 2 0 8 0
filepl 120 808 0 765 2 0 2 2 0 8 0
lockfpl 96 7 0 6 2 1 1 1 0 8 0
lockfspl 24 4 0 3 2 1 1 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 144 163 0 163 3 2 1 1 0 8 1
processpl 840 187 0 163 4 1 3 4 0 8 0
procpl 600 187 0 163 3 0 3 3 0 8 0
sockpl 384 64 0 48 2 0 2 2 0 8 0
mcl4k 4096 10 0 10 2 1 1 1 0 8 1
mcl2k 2048 5504 0 5476 6 0 6 6 0 8 2
mtagpl 80 2 0 2 1 1 0 1 0 8 0
mbufpl 256 9452 0 9415 6 2 4 4 0 8 1
bufpl 256 1997 0 261 109 0 109 109 0 8 0
anonpl 16 16659 0 15558 7 2 5 7 0 62 0
amapchunkpl 152 491 0 456 2 0 2 2 0 158 0
amappl16 192 67 0 62 1 0 1 1 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 1 0 1 1 1 0 1 0 8 0
amappl13 168 15 0 12 1 0 1 1 0 8 0
amappl12 160 6 0 6 2 1 1 1 0 8 1
amappl11 152 172 0 163 1 0 1 1 0 8 0
amappl10 144 45 0 44 1 0 1 1 0 8 0
amappl9 136 193 0 192 1 0 1 1 0 8 0
amappl8 128 101 0 95 1 0 1 1 0 8 0
amappl7 120 30 0 26 1 0 1 1 0 8 0
amappl6 112 42 0 38 1 0 1 1 0 8 0
amappl5 104 154 0 143 1 0 1 1 0 8 0
amappl4 96 252 0 234 1 0 1 1 0 8 0
amappl3 88 111 0 106 1 0 1 1 0 8 0
amappl2 80 552 0 517 1 0 1 1 0 8 0
amappl1 72 11524 0 11133 16 6 10 16 0 8 0
amappl 72 366 0 347 1 0 1 1 0 75 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 8 0
uaddrrnd 24 174 0 163 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 174 0 163 1 0 1 1 0 8 0
vmmpekpl 168 5174 0 5160 1 0 1 1 0 8 0
vmmpepl 168 23283 0 22593 53 19 34 47 0 357 2
vmsppl 264 173 0 163 1 0 1 1 0 8 0
pdppl 4096 354 0 326 5 0 5 5 0 8 0
pvpl 32 69777 0 67046 36 10 26 26 0 265 3
pmappl 192 173 0 163 1 0 1 1 0 8 0
extentpl 40 39 0 25 1 0 1 1 0 8 0
phpool 112 225 0 7 7 0 7 7 0 8 0
ddb>
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019/01/27 21:11 | openbsd | 269c2856b78e | c73f090a | .config | console log | report | syz | C | ci-openbsd-main | |||
| 2019/03/30 13:13 | openbsd | 67caf7119898 | c35ee0ea | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/30 11:35 | openbsd | 67caf7119898 | c35ee0ea | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/29 20:26 | openbsd | 20a5560209a4 | c35ee0ea | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/28 22:09 | openbsd | 8423d6adca2c | 14c58f8d | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/28 12:50 | openbsd | 7ac074f6b41e | f94f56fe | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/28 06:00 | openbsd | c95a22197bfd | f94f56fe | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/27 07:45 | openbsd | ad597a5fc5a3 | 55684ce1 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/27 04:00 | openbsd | 6baecefef8fe | 55684ce1 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/26 14:51 | openbsd | 6a51f920f2c9 | 55684ce1 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/26 12:41 | openbsd | 6a51f920f2c9 | 55684ce1 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/26 09:48 | openbsd | 6a51f920f2c9 | 55684ce1 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/26 08:18 | openbsd | 6a51f920f2c9 | 55684ce1 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/25 08:20 | openbsd | b3dbd5f2ca08 | 2c86e0a5 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/25 04:26 | openbsd | b3dbd5f2ca08 | 2c86e0a5 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/25 03:44 | openbsd | b3dbd5f2ca08 | 2c86e0a5 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/25 00:59 | openbsd | b3dbd5f2ca08 | 2c86e0a5 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/24 19:21 | openbsd | d42c39d7dcd1 | acbc5b7d | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/24 09:22 | openbsd | d42c39d7dcd1 | acbc5b7d | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/24 00:57 | openbsd | c610539b3c4a | a2cef203 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/23 17:51 | openbsd | c610539b3c4a | a2cef203 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/23 16:22 | openbsd | c610539b3c4a | a2cef203 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/23 14:27 | openbsd | 8ed1f8bf5951 | 3361bde5 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/23 11:04 | openbsd | 8ed1f8bf5951 | 3361bde5 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/23 05:47 | openbsd | 8ed1f8bf5951 | 3361bde5 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/22 19:49 | openbsd | 9c1f1fecff88 | 028c0951 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/22 18:10 | openbsd | 9c1f1fecff88 | 028c0951 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/22 10:49 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/22 08:13 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/22 04:06 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/22 03:01 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/21 03:28 | openbsd | db552f66a6b6 | 427ea487 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/20 20:04 | openbsd | 180e3f4c9de8 | 142c38ee | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/20 17:36 | openbsd | 180e3f4c9de8 | 142c38ee | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/20 15:51 | openbsd | 180e3f4c9de8 | 142c38ee | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/20 09:32 | openbsd | 6a543b343b5b | 2458c1c6 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/20 06:54 | openbsd | 6a543b343b5b | 2458c1c6 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/19 19:58 | openbsd | a5f4ee4e3f8f | e4549234 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/19 18:15 | openbsd | a5f4ee4e3f8f | e4549234 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/19 16:46 | openbsd | a5f4ee4e3f8f | e4549234 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/19 05:41 | openbsd | e6d0a5bd63d6 | 46264c32 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/18 18:26 | openbsd | 5f6e3232931a | 4656beca | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/18 15:42 | openbsd | 5f6e3232931a | 4656beca | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/18 06:43 | openbsd | 990bad0aa091 | f8757044 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/18 01:24 | openbsd | 990bad0aa091 | f8757044 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/17 23:48 | openbsd | 990bad0aa091 | f8757044 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/05 10:55 | openbsd | da8fceb276ba | 3419571c | .config | console log | report | ci-openbsd-pf | |||||
| 2019/01/27 20:53 | openbsd | 269c2856b78e | c73f090a | .config | console log | report | ci-openbsd-main |