panic: malloc: allocation too large, type = 2, size = ADDRp5an12ic9:LINE
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syzbot
Aug 30, 2019, 5:49:06 PM8/30/19
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 704010f9 Convert openssl(1) dgst to the newer style of opt..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=15114c46600000
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=4cde2a25432e2a51dd22
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+4cde2a...@syzkaller.appspotmail.com
panic: malloc: allocation too large, type = 2, size =
184467440737095p5an12ic9:6
ke
rnel diagnostic assertion "!_kernel_lock_held()" failed:
file "/syzkaller/managers/multicore/kernel/sys/kern/kern_fork.c", line 690
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
376410 10139 0 0 0x4000000 0 syz-executor.1
*261399 94384 0 0 0x4000000 1 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:207
__assert(ffffffff8220282e,ffffffff821f0ad1,2b2,ffffffff821d1b09) at
__assert+0x2b sys/kern/subr_prf.c:154
proc_trampoline_mp() at proc_trampoline_mp+0x123
end trace frame: 0x0, count: 11
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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
malloc: allocation too large, type = 2, size = 18446744073709551296
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff8220282e,ffffffff821f0ad1,2b2,ffffffff821d1b09) at
__assert+0x2b sys/kern/subr_prf.c:154
proc_trampoline_mp() at proc_trampoline_mp+0x123
end trace frame: 0x0, count: -4
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020b55590
rbx 0xffff800020b55640
rdx 0xffff800020ab0780
rcx 0
rax 0
r8 0xffffffff8216e5cf kprintf+0x16f
r9 0x1
r10 0x25
r11 0x59c57b7c37ae7790
r12 0x3000000008
r13 0xffff800020b555a0
r14 0x104
r15 0x1
rip 0xffffffff81f247d8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020b55580
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.0) pid=261399 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=71, usrpri=71, nice=20
forw=0xffffffffffffffff, list=0xffff800020ab0290,0xffff800020ab0ef8
process=0xffff800020adc700 user=0xffff800020b50000,
vmspace=0xfffffd807f00c5c0
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
10139 361198 89468 0 2 0 syz-executor.1
10139 376410 89468 0 7 0x4000000 syz-executor.1
94384 344909 45509 0 2 0 syz-executor.0
*94384 261399 45509 0 7 0x4000000 syz-executor.0
45509 291558 78440 0 3 0x82 nanosleep syz-executor.0
89468 8150 78440 0 3 0x82 nanosleep syz-executor.1
644 248378 0 0 3 0x14200 acct acct
78522 117844 0 0 3 0x14200 bored sosplice
78440 445329 95111 0 3 0x82 thrsleep syz-fuzzer
78440 145657 95111 0 3 0x4000082 nanosleep syz-fuzzer
78440 413307 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 195856 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 474951 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 235348 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 201439 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 99480 95111 0 3 0x4000082 kqread syz-fuzzer
78440 358326 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 507113 95111 0 3 0x4000082 thrsleep syz-fuzzer
95111 292688 22113 0 3 0x10008a pause ksh
22113 447775 21071 0 3 0x92 select sshd
60571 161566 1 0 3 0x100083 ttyin getty
21071 4340 1 0 3 0x80 select sshd
66888 4955 28465 74 3 0x100092 bpf pflogd
28465 292502 1 0 3 0x80 netio pflogd
41647 511196 5339 73 3 0x100090 kqread syslogd
5339 351468 1 0 3 0x100082 netio syslogd
69702 170319 1 77 3 0x100090 poll dhclient
99051 78609 1 0 3 0x80 poll dhclient
89166 12164 0 0 2 0x14200 zerothread
58758 516979 0 0 3 0x14200 aiodoned aiodoned
83784 237007 0 0 3 0x14200 syncer update
66584 475551 0 0 3 0x14200 cleaner cleaner
76367 353251 0 0 3 0x14200 reaper reaper
66025 96001 0 0 3 0x14200 pgdaemon pagedaemon
63136 11336 0 0 3 0x14200 bored crynlk
25503 199370 0 0 3 0x14200 bored crypto
20042 92062 0 0 3 0x40014200 acpi0 acpi0
61719 310695 0 0 3 0x40014200 idle1
42709 9532 0 0 3 0x14200 bored softnet
17134 446112 0 0 3 0x14200 bored systqmp
4754 522877 0 0 3 0x14200 bored systq
69888 88256 0 0 3 0x40014200 bored softclock
60755 42815 0 0 3 0x40014200 idle0
81455 381394 0 0 3 0x14200 bored smr
1 120715 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 10139 (syz-executor.1) thread 0xffff800020ab0ee8 (376410)
shared rwlock vmlistlock r = 0 (0xffff80000066f478)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 vm_get_info+0x39 sys/arch/amd64/amd64/vmm.c:3712
#2 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
#3 vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524
#4 sys_ioctl+0x5b9
#5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#6 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82620168)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555
#2 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9572 6653K 7364K 78643K 18582 0 0
pcb 13 8K 8K 78643K 397 0 0
rtable 109 4K 4K 78643K 1099 0 0
ifaddr 69 16K 16K 78643K 408 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1638 0 0
iov 0 0K 32K 78643K 279 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1214 76K 77K 78643K 3992 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 36 0 0
VM map 2 1K 1K 78643K 4 0 0
sem 12 1K 1K 78643K 129 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1809 196K 290K 78643K 12843 0 0
file desc 6 17K 25K 78643K 3043 0 0
sigio 0 0K 0K 78643K 39 0 0
proc 62 63K 95K 78643K 1014 0 0
subproc 32 2K 2K 78643K 176 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 301 0 0
in_multi 33 2K 2K 78643K 202 0 0
ether_multi 1 0K 0K 78643K 16 0 0
mrt 0 0K 0K 78643K 14 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 78 344K 344K 78643K 78 0 0
exec 0 0K 1K 78643K 540 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 107 22K 26K 78643K 10697 0 0
UVM aobj 108 3K 3K 78643K 109 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 372 0 0
NDP 15 0K 0K 78643K 121 0 0
temp 193 3556K 3632K 78643K 31015 0 0
kqueue 0 0K 0K 78643K 11 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 23 0 17 1 0 1 1 0
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 156 0 154 1 0 1 1 0
8 0
rtentry 112 132 0 88 2 0 2 2 0
8 0
unpcb 120 917 0 907 1 0 1 1 0
8 0
syncache 264 4 0 4 1 1 0 1 0
8 0
sackhl 24 2 0 2 2 1 1 1 0
8 1
tcpqe 32 7328 0 7328 3 3 0 2 0
8 0
tcpcb 544 621 0 617 1 0 1 1 0
8 0
inpcb 280 1777 0 1770 2 1 1 2 0
8 0
rttmr 72 2 0 2 2 2 0 1 0
8 0
nd6 48 20 0 16 1 0 1 1 0
8 0
pkpcb 40 7 0 7 3 3 0 1 0
8 0
swfcl 56 2 0 0 1 0 1 1 0
8 0
ppxss 1128 57 0 57 10 9 1 1 0
8 1
pffrag 232 2 0 2 2 2 0 1 0
482 0
pffrnode 88 2 0 2 2 2 0 1 0
8 0
pffrent 40 4 0 4 2 2 0 1 0
8 0
pfosfp 40 846 0 423 5 0 5 5 0
8 0
pfosfpen 112 1428 0 714 21 0 21 21 0
8 0
pfstitem 24 99 0 83 1 0 1 1 0
8 0
pfstkey 112 99 0 83 1 0 1 1 0
8 0
pfstate 328 99 0 83 3 0 3 3 0
8 0
pfrule 1360 21 0 16 2 1 1 2 0
8 0
art_heap8 4096 1 0 0 1 0 1 1 0
8 0
art_heap4 256 572 0 354 14 0 14 14 0
8 0
art_table 32 573 0 354 2 0 2 2 0
8 0
art_node 16 127 0 87 1 0 1 1 0
8 0
sysvmsgpl 40 11 0 6 1 0 1 1 0
8 0
semupl 112 2 0 2 1 1 0 1 0
8 0
semapl 112 125 0 115 1 0 1 1 0
8 0
shmpl 112 107 0 1 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 6072 0 4671 46 0 46 46 0
8 0
ffsino 272 6072 0 4671 95 1 94 95 0
8 0
nchpl 144 10484 0 8882 61 0 61 61 0
8 0
uvmvnodes 72 6009 0 0 110 0 110 110 0
8 0
vnodes 208 6009 0 0 317 0 317 317 0
8 0
namei 1024 33313 0 33313 3 2 1 1 0
8 1
percpumem 16 30 0 0 1 0 1 1 0
8 0
vmpool 552 2 0 2 1 1 0 1 0
8 0
scsiplug 64 6 0 6 5 5 0 1 0
8 0
scxspl 192 30833 0 30833 21 20 1 7 0
8 1
plimitpl 152 264 0 256 1 0 1 1 0
8 0
sigapl 432 3219 0 3203 3 1 2 3 0
8 0
futexpl 56 39268 0 39268 1 0 1 1 0
8 1
knotepl 112 704 0 685 1 0 1 1 0
8 0
kqueuepl 104 642 0 640 1 0 1 1 0
8 0
pipepl 112 1690 0 1669 2 1 1 2 0
8 0
fdescpl 488 3220 0 3203 3 0 3 3 0
8 0
filepl 152 18853 0 18746 8 3 5 6 0
8 0
lockfpl 104 1083 0 1082 1 0 1 1 0
8 0
lockfspl 48 357 0 356 1 0 1 1 0
8 0
sessionpl 112 26 0 15 1 0 1 1 0
8 0
pgrppl 48 63 0 52 1 0 1 1 0
8 0
ucredpl 96 3271 0 3262 1 0 1 1 0
8 0
zombiepl 144 3203 0 3203 3 2 1 1 0
8 1
processpl 896 3237 0 3203 4 0 4 4 0
8 0
procpl 632 9530 0 9485 10 5 5 5 0
8 1
srpgc 64 18 0 18 8 8 0 1 0
8 0
sosppl 128 29 0 29 12 11 1 1 0
8 1
sockpl 384 2884 0 2865 6 3 3 4 0
8 1
mcl64k 65536 269 0 0 34 10 24 34 0
8 1
mcl16k 16384 6 0 0 1 0 1 1 0
8 0
mcl12k 12288 17 0 0 2 0 2 2 0
8 0
mcl9k 9216 10 0 0 1 0 1 1 0
8 0
mcl8k 8192 5 0 0 1 0 1 1 0
8 0
mcl4k 4096 13 0 0 2 0 2 2 0
8 0
mcl2k2 2112 7 0 0 1 0 1 1 0
8 0
mcl2k 2048 235 0 0 29 8 21 29 0
8 0
mtagpl 80 35 0 0 1 0 1 1 0
8 0
mbufpl 256 471 0 0 23 0 23 23 0
8 0
bufpl 256 16704 0 9656 441 0 441 441 0
8 0
anonpl 16 308180 0 295581 140 72 68 70 0 124
13
amapchunkpl 152 18684 0 18579 27 17 10 10 0
158 5
amappl16 192 16049 0 15333 135 91 44 49 0
8 8
amappl15 184 102 0 102 2 2 0 1 0
8 0
amappl14 176 1111 0 1105 1 0 1 1 0
8 0
amappl13 168 431 0 431 1 1 0 1 0
8 0
amappl12 160 205 0 203 2 1 1 1 0
8 0
amappl11 152 587 0 572 1 0 1 1 0
8 0
amappl10 144 20 0 17 1 0 1 1 0
8 0
amappl9 136 1406 0 1397 1 0 1 1 0
8 0
amappl8 128 967 0 936 2 0 2 2 0
8 0
amappl7 120 76 0 70 1 0 1 1 0
8 0
amappl6 112 590 0 578 1 0 1 1 0
8 0
amappl5 104 422 0 407 1 0 1 1 0
8 0
amappl4 96 3207 0 3176 1 0 1 1 0
8 0
amappl3 88 1113 0 1107 1 0 1 1 0
8 0
amappl2 80 24863 0 24782 3 1 2 3 0
8 0
amappl1 72 78548 0 78096 27 16 11 20 0
8 0
amappl 80 9904 0 9867 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 64 108 0 1 2 0 2 2 0
8 0
uaddrrnd 24 3222 0 3203 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 3222 0 3203 1 0 1 1 0
8 0
vmmpekpl 168 26124 0 26084 2 0 2 2 0
8 0
vmmpepl 168 395038 0 393085 231 136 95 111 0
357 8
vmsppl 368 3219 0 3203 2 0 2 2 0
8 0
pdppl 4096 6451 0 6410 7 1 6 6 0
8 0
pvpl 32 849123 0 833271 284 119 165 170 0 265
36
pmappl 232 3221 0 3205 3 2 1 2 0
8 0
extentpl 40 38 0 22 1 0 1 1 0
8 0
phpool 112 661 0 25 19 0 19 19 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: 704010f9 Convert openssl(1) dgst to the newer style of opt..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=15114c46600000
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=4cde2a25432e2a51dd22
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+4cde2a...@syzkaller.appspotmail.com
panic: malloc: allocation too large, type = 2, size =
184467440737095p5an12ic9:6
ke
rnel diagnostic assertion "!_kernel_lock_held()" failed:
file "/syzkaller/managers/multicore/kernel/sys/kern/kern_fork.c", line 690
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
376410 10139 0 0 0x4000000 0 syz-executor.1
*261399 94384 0 0 0x4000000 1 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:207
__assert(ffffffff8220282e,ffffffff821f0ad1,2b2,ffffffff821d1b09) at
__assert+0x2b sys/kern/subr_prf.c:154
proc_trampoline_mp() at proc_trampoline_mp+0x123
end trace frame: 0x0, count: 11
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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
malloc: allocation too large, type = 2, size = 18446744073709551296
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff8220282e,ffffffff821f0ad1,2b2,ffffffff821d1b09) at
__assert+0x2b sys/kern/subr_prf.c:154
proc_trampoline_mp() at proc_trampoline_mp+0x123
end trace frame: 0x0, count: -4
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020b55590
rbx 0xffff800020b55640
rdx 0xffff800020ab0780
rcx 0
rax 0
r8 0xffffffff8216e5cf kprintf+0x16f
r9 0x1
r10 0x25
r11 0x59c57b7c37ae7790
r12 0x3000000008
r13 0xffff800020b555a0
r14 0x104
r15 0x1
rip 0xffffffff81f247d8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020b55580
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.0) pid=261399 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=71, usrpri=71, nice=20
forw=0xffffffffffffffff, list=0xffff800020ab0290,0xffff800020ab0ef8
process=0xffff800020adc700 user=0xffff800020b50000,
vmspace=0xfffffd807f00c5c0
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
10139 361198 89468 0 2 0 syz-executor.1
10139 376410 89468 0 7 0x4000000 syz-executor.1
94384 344909 45509 0 2 0 syz-executor.0
*94384 261399 45509 0 7 0x4000000 syz-executor.0
45509 291558 78440 0 3 0x82 nanosleep syz-executor.0
89468 8150 78440 0 3 0x82 nanosleep syz-executor.1
644 248378 0 0 3 0x14200 acct acct
78522 117844 0 0 3 0x14200 bored sosplice
78440 445329 95111 0 3 0x82 thrsleep syz-fuzzer
78440 145657 95111 0 3 0x4000082 nanosleep syz-fuzzer
78440 413307 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 195856 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 474951 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 235348 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 201439 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 99480 95111 0 3 0x4000082 kqread syz-fuzzer
78440 358326 95111 0 3 0x4000082 thrsleep syz-fuzzer
78440 507113 95111 0 3 0x4000082 thrsleep syz-fuzzer
95111 292688 22113 0 3 0x10008a pause ksh
22113 447775 21071 0 3 0x92 select sshd
60571 161566 1 0 3 0x100083 ttyin getty
21071 4340 1 0 3 0x80 select sshd
66888 4955 28465 74 3 0x100092 bpf pflogd
28465 292502 1 0 3 0x80 netio pflogd
41647 511196 5339 73 3 0x100090 kqread syslogd
5339 351468 1 0 3 0x100082 netio syslogd
69702 170319 1 77 3 0x100090 poll dhclient
99051 78609 1 0 3 0x80 poll dhclient
89166 12164 0 0 2 0x14200 zerothread
58758 516979 0 0 3 0x14200 aiodoned aiodoned
83784 237007 0 0 3 0x14200 syncer update
66584 475551 0 0 3 0x14200 cleaner cleaner
76367 353251 0 0 3 0x14200 reaper reaper
66025 96001 0 0 3 0x14200 pgdaemon pagedaemon
63136 11336 0 0 3 0x14200 bored crynlk
25503 199370 0 0 3 0x14200 bored crypto
20042 92062 0 0 3 0x40014200 acpi0 acpi0
61719 310695 0 0 3 0x40014200 idle1
42709 9532 0 0 3 0x14200 bored softnet
17134 446112 0 0 3 0x14200 bored systqmp
4754 522877 0 0 3 0x14200 bored systq
69888 88256 0 0 3 0x40014200 bored softclock
60755 42815 0 0 3 0x40014200 idle0
81455 381394 0 0 3 0x14200 bored smr
1 120715 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 10139 (syz-executor.1) thread 0xffff800020ab0ee8 (376410)
shared rwlock vmlistlock r = 0 (0xffff80000066f478)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 vm_get_info+0x39 sys/arch/amd64/amd64/vmm.c:3712
#2 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
#3 vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524
#4 sys_ioctl+0x5b9
#5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#6 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82620168)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555
#2 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9572 6653K 7364K 78643K 18582 0 0
pcb 13 8K 8K 78643K 397 0 0
rtable 109 4K 4K 78643K 1099 0 0
ifaddr 69 16K 16K 78643K 408 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1638 0 0
iov 0 0K 32K 78643K 279 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1214 76K 77K 78643K 3992 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 36 0 0
VM map 2 1K 1K 78643K 4 0 0
sem 12 1K 1K 78643K 129 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1809 196K 290K 78643K 12843 0 0
file desc 6 17K 25K 78643K 3043 0 0
sigio 0 0K 0K 78643K 39 0 0
proc 62 63K 95K 78643K 1014 0 0
subproc 32 2K 2K 78643K 176 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 301 0 0
in_multi 33 2K 2K 78643K 202 0 0
ether_multi 1 0K 0K 78643K 16 0 0
mrt 0 0K 0K 78643K 14 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 78 344K 344K 78643K 78 0 0
exec 0 0K 1K 78643K 540 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 107 22K 26K 78643K 10697 0 0
UVM aobj 108 3K 3K 78643K 109 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 372 0 0
NDP 15 0K 0K 78643K 121 0 0
temp 193 3556K 3632K 78643K 31015 0 0
kqueue 0 0K 0K 78643K 11 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 23 0 17 1 0 1 1 0
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 156 0 154 1 0 1 1 0
8 0
rtentry 112 132 0 88 2 0 2 2 0
8 0
unpcb 120 917 0 907 1 0 1 1 0
8 0
syncache 264 4 0 4 1 1 0 1 0
8 0
sackhl 24 2 0 2 2 1 1 1 0
8 1
tcpqe 32 7328 0 7328 3 3 0 2 0
8 0
tcpcb 544 621 0 617 1 0 1 1 0
8 0
inpcb 280 1777 0 1770 2 1 1 2 0
8 0
rttmr 72 2 0 2 2 2 0 1 0
8 0
nd6 48 20 0 16 1 0 1 1 0
8 0
pkpcb 40 7 0 7 3 3 0 1 0
8 0
swfcl 56 2 0 0 1 0 1 1 0
8 0
ppxss 1128 57 0 57 10 9 1 1 0
8 1
pffrag 232 2 0 2 2 2 0 1 0
482 0
pffrnode 88 2 0 2 2 2 0 1 0
8 0
pffrent 40 4 0 4 2 2 0 1 0
8 0
pfosfp 40 846 0 423 5 0 5 5 0
8 0
pfosfpen 112 1428 0 714 21 0 21 21 0
8 0
pfstitem 24 99 0 83 1 0 1 1 0
8 0
pfstkey 112 99 0 83 1 0 1 1 0
8 0
pfstate 328 99 0 83 3 0 3 3 0
8 0
pfrule 1360 21 0 16 2 1 1 2 0
8 0
art_heap8 4096 1 0 0 1 0 1 1 0
8 0
art_heap4 256 572 0 354 14 0 14 14 0
8 0
art_table 32 573 0 354 2 0 2 2 0
8 0
art_node 16 127 0 87 1 0 1 1 0
8 0
sysvmsgpl 40 11 0 6 1 0 1 1 0
8 0
semupl 112 2 0 2 1 1 0 1 0
8 0
semapl 112 125 0 115 1 0 1 1 0
8 0
shmpl 112 107 0 1 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 6072 0 4671 46 0 46 46 0
8 0
ffsino 272 6072 0 4671 95 1 94 95 0
8 0
nchpl 144 10484 0 8882 61 0 61 61 0
8 0
uvmvnodes 72 6009 0 0 110 0 110 110 0
8 0
vnodes 208 6009 0 0 317 0 317 317 0
8 0
namei 1024 33313 0 33313 3 2 1 1 0
8 1
percpumem 16 30 0 0 1 0 1 1 0
8 0
vmpool 552 2 0 2 1 1 0 1 0
8 0
scsiplug 64 6 0 6 5 5 0 1 0
8 0
scxspl 192 30833 0 30833 21 20 1 7 0
8 1
plimitpl 152 264 0 256 1 0 1 1 0
8 0
sigapl 432 3219 0 3203 3 1 2 3 0
8 0
futexpl 56 39268 0 39268 1 0 1 1 0
8 1
knotepl 112 704 0 685 1 0 1 1 0
8 0
kqueuepl 104 642 0 640 1 0 1 1 0
8 0
pipepl 112 1690 0 1669 2 1 1 2 0
8 0
fdescpl 488 3220 0 3203 3 0 3 3 0
8 0
filepl 152 18853 0 18746 8 3 5 6 0
8 0
lockfpl 104 1083 0 1082 1 0 1 1 0
8 0
lockfspl 48 357 0 356 1 0 1 1 0
8 0
sessionpl 112 26 0 15 1 0 1 1 0
8 0
pgrppl 48 63 0 52 1 0 1 1 0
8 0
ucredpl 96 3271 0 3262 1 0 1 1 0
8 0
zombiepl 144 3203 0 3203 3 2 1 1 0
8 1
processpl 896 3237 0 3203 4 0 4 4 0
8 0
procpl 632 9530 0 9485 10 5 5 5 0
8 1
srpgc 64 18 0 18 8 8 0 1 0
8 0
sosppl 128 29 0 29 12 11 1 1 0
8 1
sockpl 384 2884 0 2865 6 3 3 4 0
8 1
mcl64k 65536 269 0 0 34 10 24 34 0
8 1
mcl16k 16384 6 0 0 1 0 1 1 0
8 0
mcl12k 12288 17 0 0 2 0 2 2 0
8 0
mcl9k 9216 10 0 0 1 0 1 1 0
8 0
mcl8k 8192 5 0 0 1 0 1 1 0
8 0
mcl4k 4096 13 0 0 2 0 2 2 0
8 0
mcl2k2 2112 7 0 0 1 0 1 1 0
8 0
mcl2k 2048 235 0 0 29 8 21 29 0
8 0
mtagpl 80 35 0 0 1 0 1 1 0
8 0
mbufpl 256 471 0 0 23 0 23 23 0
8 0
bufpl 256 16704 0 9656 441 0 441 441 0
8 0
anonpl 16 308180 0 295581 140 72 68 70 0 124
13
amapchunkpl 152 18684 0 18579 27 17 10 10 0
158 5
amappl16 192 16049 0 15333 135 91 44 49 0
8 8
amappl15 184 102 0 102 2 2 0 1 0
8 0
amappl14 176 1111 0 1105 1 0 1 1 0
8 0
amappl13 168 431 0 431 1 1 0 1 0
8 0
amappl12 160 205 0 203 2 1 1 1 0
8 0
amappl11 152 587 0 572 1 0 1 1 0
8 0
amappl10 144 20 0 17 1 0 1 1 0
8 0
amappl9 136 1406 0 1397 1 0 1 1 0
8 0
amappl8 128 967 0 936 2 0 2 2 0
8 0
amappl7 120 76 0 70 1 0 1 1 0
8 0
amappl6 112 590 0 578 1 0 1 1 0
8 0
amappl5 104 422 0 407 1 0 1 1 0
8 0
amappl4 96 3207 0 3176 1 0 1 1 0
8 0
amappl3 88 1113 0 1107 1 0 1 1 0
8 0
amappl2 80 24863 0 24782 3 1 2 3 0
8 0
amappl1 72 78548 0 78096 27 16 11 20 0
8 0
amappl 80 9904 0 9867 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 64 108 0 1 2 0 2 2 0
8 0
uaddrrnd 24 3222 0 3203 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 3222 0 3203 1 0 1 1 0
8 0
vmmpekpl 168 26124 0 26084 2 0 2 2 0
8 0
vmmpepl 168 395038 0 393085 231 136 95 111 0
357 8
vmsppl 368 3219 0 3203 2 0 2 2 0
8 0
pdppl 4096 6451 0 6410 7 1 6 6 0
8 0
pvpl 32 849123 0 833271 284 119 165 170 0 265
36
pmappl 232 3221 0 3205 3 2 1 2 0
8 0
extentpl 40 38 0 22 1 0 1 1 0
8 0
phpool 112 661 0 25 19 0 19 19 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.
Anton Lindqvist
Aug 31, 2019, 4:51:52 AM8/31/19
to syzbot, syzkaller-o...@googlegroups.com
#syz dup: malloc: allocation too large, type = 2, size = ADDR (2)
syzbot
Aug 31, 2019, 4:53:36 AM8/31/19
to Anton Lindqvist, an...@basename.se, syzkaller-o...@googlegroups.com
> #syz dup: panic: malloc: allocation too large, type = 2, size = ADDR (2)
Your 'dup:' command is accepted, but please keep
syzkaller-o...@googlegroups.com mailing list in CC next time. It
serves as a history of what happened with each bug report. Thank you.
> Sorry, got the title wrong.
Your 'dup:' command is accepted, but please keep
syzkaller-o...@googlegroups.com mailing list in CC next time. It
serves as a history of what happened with each bug report. Thank you.
> Sorry, got the title wrong.
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