panic: receive 1: so ADDR, so_type 3, sb_cc 2458
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syzbot
Feb 6, 2020, 8:43:12 AM2/6/20
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 2ee00db3 Instead of opting in to futexes on archs with ato..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=158144f6e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=4e68f021354bd94e9418
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+4e68f0...@syzkaller.appspotmail.com
panic: receive 1: so 0xfffffd806f6da000, so_type 3, sb_cc 2458
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
343082 67459 0 0x10 0x4000080 1 syz-executor.0
*111790 97599 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821c5148) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806f6da000,0,ffff800020abd378,0,0,ffff800020abd284) at soreceive+0x16ec sys/kern/uipc_socket.c:823
soo_read(fffffd8071c1b098,ffff800020abd378,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020a7cc38,6,ffff800020abd378,0,ffff800020abd460) at dofilereadv+0x1a1 sys/kern/sys_generic.c:236
sys_read(ffff800020a7cc38,ffff800020abd410,ffff800020abd460) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff800020abd4e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020abd4e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffda5f0, count: 7
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
receive 1: so 0xfffffd806f6da000, so_type 3, sb_cc 2458
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821c5148) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806f6da000,0,ffff800020abd378,0,0,ffff800020abd284) at soreceive+0x16ec sys/kern/uipc_socket.c:823
soo_read(fffffd8071c1b098,ffff800020abd378,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020a7cc38,6,ffff800020abd378,0,ffff800020abd460) at dofilereadv+0x1a1 sys/kern/sys_generic.c:236
sys_read(ffff800020a7cc38,ffff800020abd410,ffff800020abd460) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff800020abd4e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020abd4e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffda5f0, count: -8
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020abd0c0
rbx 0xffff800020abd170
rdx 0xffff800020a7cc38
rcx 0
rax 0
r8 0xffffffff818f043f kprintf+0x16f
r9 0x1
r10 0x25
r11 0x6eaaa43efc07d6d4
r12 0x3000000008
r13 0xffff800020abd0d0
r14 0x100
r15 0x1
rip 0xffffffff81fcbbd8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020abd0b0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (dhclient) pid=111790 stat=onproc
flags process=0 proc=0
pri=24, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff800020a7c758,0xffff800020a7ceb8
process=0xffff800020a903d0 user=0xffff800020ab8000, vmspace=0xfffffd807efff730
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
67459 234455 17590 0 2 0x10 syz-executor.0
67459 343082 17590 0 7 0x4000090 syz-executor.0
97114 284664 0 0 3 0x14200 bored sosplice
27985 370344 60423 0 2 0x2 syz-executor.1
17590 375876 60423 0 3 0x82 nanosleep syz-executor.0
60423 223301 89796 0 3 0x82 thrsleep syz-fuzzer
60423 66474 89796 0 3 0x4000082 nanosleep syz-fuzzer
60423 85932 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 143704 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 12076 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 50798 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 397604 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 280144 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 480861 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 37630 89796 0 3 0x4000082 kqread syz-fuzzer
89796 279868 33367 0 3 0x10008a pause ksh
33367 285257 41554 0 3 0x92 select sshd
97832 266771 1 0 3 0x100083 ttyin getty
41554 188279 1 0 3 0x80 select sshd
63483 317620 71792 74 3 0x100092 bpf pflogd
71792 64206 1 0 3 0x80 netio pflogd
22145 99965 38746 73 3 0x100090 kqread syslogd
38746 340678 1 0 3 0x100082 netio syslogd
16979 233530 1 77 3 0x100090 poll dhclient
*97599 111790 1 0 7 0 dhclient
88634 235879 0 0 3 0x14200 pgzero zerothread
72443 22060 0 0 3 0x14200 aiodoned aiodoned
2262 425519 0 0 3 0x14200 syncer update
11475 82472 0 0 3 0x14200 cleaner cleaner
91368 68121 0 0 3 0x14200 reaper reaper
19573 458620 0 0 3 0x14200 pgdaemon pagedaemon
1071 467970 0 0 3 0x14200 bored crynlk
52804 119366 0 0 3 0x14200 bored crypto
45823 390729 0 0 3 0x40014200 acpi0 acpi0
66057 92344 0 0 3 0x40014200 idle1
64864 75155 0 0 3 0x14200 bored softnet
5520 439693 0 0 3 0x14200 bored systqmp
58503 459465 0 0 3 0x14200 bored systq
40431 409814 0 0 3 0x40014200 bored softclock
90319 520668 0 0 3 0x40014200 idle0
32818 445791 0 0 3 0x14200 bored smr
1 276174 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 67459 (syz-executor.0) thread 0xffff800020ac24f8 (234455)
exclusive rwlock futex r = 0 (0xffffffff82507de0)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1164
#1 sys_futex+0x13d sys/kern/sys_futex.c:116
#2 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#2 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#3 Xsyscall+0x128
Process 97599 (dhclient) thread 0xffff800020a7cc38 (111790)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff826236a0)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1164
#1 solock+0x66 sys/kern/uipc_socket2.c:292
#2 soreceive+0x114 sys/kern/uipc_socket.c:731
#3 soo_read+0x53 sys/kern/sys_socket.c:70
#4 dofilereadv+0x1a1 sys/kern/sys_generic.c:236
#5 sys_read+0x83 sys/kern/sys_generic.c:156
#6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#7 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9513 6673K 10581K 78643K 11616 0
pcb 20 8K 8K 78643K 127 0
rtable 101 3K 3K 78643K 272 0
ifaddr 68 14K 14K 78643K 101 0
counters 45 34K 34K 78643K 51 0
ioctlops 0 0K 4K 78643K 1477 0
iov 0 0K 12K 78643K 16 0
mount 1 1K 1K 78643K 1 0
vnodes 1240 78K 78K 78643K 1508 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 4 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 36 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 196K 290K 78643K 12766 0
file desc 5 13K 25K 78643K 251 0
sigio 0 0K 0K 78643K 4 0
proc 61 63K 95K 78643K 472 0
subproc 32 2K 2K 78643K 34 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 20 0
in_multi 63 3K 3K 78643K 109 0
ether_multi 1 0K 0K 78643K 9 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 43 201K 201K 78643K 43 0
exec 0 0K 1K 78643K 225 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 115 38K 38K 78643K 1738 0
UVM aobj 21 2K 2K 78643K 23 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 48 0
NDP 10 0K 0K 78643K 20 0
temp 103 3013K 3077K 78643K 8364 0
kqueue 3 4K 12K 78643K 33 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 8 0 0 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 27 0 25 1 0 1 1 0 8 0
rtentry 112 64 0 22 2 0 2 2 0 8 0
unpcb 120 226 0 210 2 0 2 2 0 8 1
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 96 0 96 1 1 0 1 0 8 0
tcpcb 544 95 0 91 1 0 1 1 0 8 0
inpcb 280 481 0 463 2 0 2 2 0 8 0
nd6 48 9 0 7 1 0 1 1 0 8 0
pkpcb 40 4 0 4 1 1 0 1 0 8 0
pffrag 232 3 0 3 2 1 1 1 0 482 1
pffrnode 88 3 0 3 2 1 1 1 0 8 1
pffrent 40 92 0 92 2 1 1 1 0 8 1
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 38 0 3 1 0 1 1 0 8 0
pfstkey 112 38 0 3 2 0 2 2 0 8 0
pfstate 328 38 0 3 4 0 4 4 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 256 324 0 141 15 1 14 14 0 8 1
art_table 32 325 0 141 2 0 2 2 0 8 0
art_node 16 63 0 23 1 0 1 1 0 8 0
sysvmsgpl 40 35 0 18 1 0 1 1 0 8 0
semupl 112 4 0 4 1 0 1 1 0 8 1
semapl 112 34 0 24 1 0 1 1 0 8 0
shmpl 112 21 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1805 0 396 46 0 46 46 0 8 0
ffsino 272 1805 0 396 95 0 95 95 0 8 0
nchpl 144 2357 0 750 61 0 61 61 0 8 0
uvmvnodes 72 2067 0 0 38 0 38 38 0 8 0
vnodes 208 2067 0 0 109 0 109 109 0 8 0
namei 1024 6419 0 6419 1 0 1 1 0 8 1
percpumem 16 36 0 3 1 0 1 1 0 8 0
vcpupl 1984 1 0 0 1 0 1 1 0 8 0
vmpool 560 1 0 0 1 0 1 1 0 8 0
scxspl 192 7264 0 7264 7 1 6 6 0 8 6
plimitpl 152 31 0 23 1 0 1 1 0 8 0
sigapl 432 450 0 435 3 1 2 3 0 8 0
futexpl 56 4218 0 4218 1 0 1 1 0 8 1
knotepl 112 97 0 78 1 0 1 1 0 8 0
kqueuepl 104 65 0 63 1 0 1 1 0 8 0
pipelkpl 48 123 0 111 1 0 1 1 0 8 0
pipepl 120 246 0 223 2 0 2 2 0 8 0
fdescpl 496 451 0 435 3 0 3 3 0 8 0
filepl 152 2979 0 2861 6 0 6 6 0 8 1
lockfpl 104 37 0 35 1 0 1 1 0 8 0
lockfspl 48 15 0 13 1 0 1 1 0 8 0
sessionpl 112 18 0 7 1 0 1 1 0 8 0
pgrppl 48 20 0 9 1 0 1 1 0 8 0
ucredpl 96 235 0 225 1 0 1 1 0 8 0
zombiepl 144 435 0 435 1 0 1 1 0 8 1
processpl 960 467 0 435 5 0 5 5 0 8 0
procpl 624 955 0 913 4 0 4 4 0 8 0
sosppl 128 3 0 3 1 0 1 1 0 8 1
sockpl 400 742 0 710 5 0 5 5 0 8 1
mcl64k 65536 15 0 0 2 0 2 2 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl12k 12288 3 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 7 0 0 1 0 1 1 0 8 0
mcl4k 4096 4 0 0 1 0 1 1 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 150 0 0 18 0 18 18 0 8 0
mtagpl 80 14 0 0 1 0 1 1 0 8 0
mbufpl 256 514 0 0 32 0 32 32 0 8 0
bufpl 280 4664 0 193 320 0 320 320 0 8 0
anonpl 16 57128 0 39714 76 1 75 75 0 125 4
amapchunkpl 152 2222 0 2079 8 1 7 8 0 158 0
amappl16 192 2163 0 1216 52 0 52 52 0 8 4
amappl15 184 58 0 55 1 0 1 1 0 8 0
amappl14 176 130 0 127 1 0 1 1 0 8 0
amappl13 168 116 0 115 1 0 1 1 0 8 0
amappl12 160 4 0 4 1 1 0 1 0 8 0
amappl11 152 56 0 40 1 0 1 1 0 8 0
amappl10 144 9 0 6 1 0 1 1 0 8 0
amappl9 136 609 0 605 1 0 1 1 0 8 0
amappl8 128 145 0 117 2 0 2 2 0 8 0
amappl7 120 101 0 90 1 0 1 1 0 8 0
amappl6 112 62 0 51 1 0 1 1 0 8 0
amappl5 104 136 0 120 1 0 1 1 0 8 0
amappl4 96 831 0 795 2 1 1 2 0 8 0
amappl3 88 223 0 214 1 0 1 1 0 8 0
amappl2 80 2699 0 2625 3 1 2 3 0 8 0
amappl1 72 19871 0 19426 26 16 10 20 0 8 0
amappl 80 1211 0 1165 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 22 0 2 1 0 1 1 0 8 0
uaddrrnd 24 452 0 435 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 452 0 435 1 0 1 1 0 8 0
vmmpekpl 168 7154 0 7112 3 0 3 3 0 8 0
vmmpepl 168 62545 0 60415 119 11 108 114 0 357 14
vmsppl 368 451 0 435 2 0 2 2 0 8 0
pdppl 4096 911 0 871 6 0 6 6 0 8 0
pvpl 32 187648 0 167031 181 0 181 181 0 265 13
pmappl 232 451 0 435 2 0 2 2 0 8 1
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 192 0 4 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: 2ee00db3 Instead of opting in to futexes on archs with ato..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=158144f6e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=4e68f021354bd94e9418
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+4e68f0...@syzkaller.appspotmail.com
panic: receive 1: so 0xfffffd806f6da000, so_type 3, sb_cc 2458
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
343082 67459 0 0x10 0x4000080 1 syz-executor.0
*111790 97599 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821c5148) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806f6da000,0,ffff800020abd378,0,0,ffff800020abd284) at soreceive+0x16ec sys/kern/uipc_socket.c:823
soo_read(fffffd8071c1b098,ffff800020abd378,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020a7cc38,6,ffff800020abd378,0,ffff800020abd460) at dofilereadv+0x1a1 sys/kern/sys_generic.c:236
sys_read(ffff800020a7cc38,ffff800020abd410,ffff800020abd460) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff800020abd4e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020abd4e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffda5f0, count: 7
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
receive 1: so 0xfffffd806f6da000, so_type 3, sb_cc 2458
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821c5148) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806f6da000,0,ffff800020abd378,0,0,ffff800020abd284) at soreceive+0x16ec sys/kern/uipc_socket.c:823
soo_read(fffffd8071c1b098,ffff800020abd378,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020a7cc38,6,ffff800020abd378,0,ffff800020abd460) at dofilereadv+0x1a1 sys/kern/sys_generic.c:236
sys_read(ffff800020a7cc38,ffff800020abd410,ffff800020abd460) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff800020abd4e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020abd4e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffda5f0, count: -8
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020abd0c0
rbx 0xffff800020abd170
rdx 0xffff800020a7cc38
rcx 0
rax 0
r8 0xffffffff818f043f kprintf+0x16f
r9 0x1
r10 0x25
r11 0x6eaaa43efc07d6d4
r12 0x3000000008
r13 0xffff800020abd0d0
r14 0x100
r15 0x1
rip 0xffffffff81fcbbd8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020abd0b0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (dhclient) pid=111790 stat=onproc
flags process=0 proc=0
pri=24, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff800020a7c758,0xffff800020a7ceb8
process=0xffff800020a903d0 user=0xffff800020ab8000, vmspace=0xfffffd807efff730
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
67459 234455 17590 0 2 0x10 syz-executor.0
67459 343082 17590 0 7 0x4000090 syz-executor.0
97114 284664 0 0 3 0x14200 bored sosplice
27985 370344 60423 0 2 0x2 syz-executor.1
17590 375876 60423 0 3 0x82 nanosleep syz-executor.0
60423 223301 89796 0 3 0x82 thrsleep syz-fuzzer
60423 66474 89796 0 3 0x4000082 nanosleep syz-fuzzer
60423 85932 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 143704 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 12076 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 50798 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 397604 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 280144 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 480861 89796 0 3 0x4000082 thrsleep syz-fuzzer
60423 37630 89796 0 3 0x4000082 kqread syz-fuzzer
89796 279868 33367 0 3 0x10008a pause ksh
33367 285257 41554 0 3 0x92 select sshd
97832 266771 1 0 3 0x100083 ttyin getty
41554 188279 1 0 3 0x80 select sshd
63483 317620 71792 74 3 0x100092 bpf pflogd
71792 64206 1 0 3 0x80 netio pflogd
22145 99965 38746 73 3 0x100090 kqread syslogd
38746 340678 1 0 3 0x100082 netio syslogd
16979 233530 1 77 3 0x100090 poll dhclient
*97599 111790 1 0 7 0 dhclient
88634 235879 0 0 3 0x14200 pgzero zerothread
72443 22060 0 0 3 0x14200 aiodoned aiodoned
2262 425519 0 0 3 0x14200 syncer update
11475 82472 0 0 3 0x14200 cleaner cleaner
91368 68121 0 0 3 0x14200 reaper reaper
19573 458620 0 0 3 0x14200 pgdaemon pagedaemon
1071 467970 0 0 3 0x14200 bored crynlk
52804 119366 0 0 3 0x14200 bored crypto
45823 390729 0 0 3 0x40014200 acpi0 acpi0
66057 92344 0 0 3 0x40014200 idle1
64864 75155 0 0 3 0x14200 bored softnet
5520 439693 0 0 3 0x14200 bored systqmp
58503 459465 0 0 3 0x14200 bored systq
40431 409814 0 0 3 0x40014200 bored softclock
90319 520668 0 0 3 0x40014200 idle0
32818 445791 0 0 3 0x14200 bored smr
1 276174 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 67459 (syz-executor.0) thread 0xffff800020ac24f8 (234455)
exclusive rwlock futex r = 0 (0xffffffff82507de0)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1164
#1 sys_futex+0x13d sys/kern/sys_futex.c:116
#2 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#2 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#3 Xsyscall+0x128
Process 97599 (dhclient) thread 0xffff800020a7cc38 (111790)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff826236a0)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1164
#1 solock+0x66 sys/kern/uipc_socket2.c:292
#2 soreceive+0x114 sys/kern/uipc_socket.c:731
#3 soo_read+0x53 sys/kern/sys_socket.c:70
#4 dofilereadv+0x1a1 sys/kern/sys_generic.c:236
#5 sys_read+0x83 sys/kern/sys_generic.c:156
#6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#7 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9513 6673K 10581K 78643K 11616 0
pcb 20 8K 8K 78643K 127 0
rtable 101 3K 3K 78643K 272 0
ifaddr 68 14K 14K 78643K 101 0
counters 45 34K 34K 78643K 51 0
ioctlops 0 0K 4K 78643K 1477 0
iov 0 0K 12K 78643K 16 0
mount 1 1K 1K 78643K 1 0
vnodes 1240 78K 78K 78643K 1508 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 4 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 36 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 196K 290K 78643K 12766 0
file desc 5 13K 25K 78643K 251 0
sigio 0 0K 0K 78643K 4 0
proc 61 63K 95K 78643K 472 0
subproc 32 2K 2K 78643K 34 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 20 0
in_multi 63 3K 3K 78643K 109 0
ether_multi 1 0K 0K 78643K 9 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 43 201K 201K 78643K 43 0
exec 0 0K 1K 78643K 225 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 115 38K 38K 78643K 1738 0
UVM aobj 21 2K 2K 78643K 23 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 48 0
NDP 10 0K 0K 78643K 20 0
temp 103 3013K 3077K 78643K 8364 0
kqueue 3 4K 12K 78643K 33 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 8 0 0 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 27 0 25 1 0 1 1 0 8 0
rtentry 112 64 0 22 2 0 2 2 0 8 0
unpcb 120 226 0 210 2 0 2 2 0 8 1
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 96 0 96 1 1 0 1 0 8 0
tcpcb 544 95 0 91 1 0 1 1 0 8 0
inpcb 280 481 0 463 2 0 2 2 0 8 0
nd6 48 9 0 7 1 0 1 1 0 8 0
pkpcb 40 4 0 4 1 1 0 1 0 8 0
pffrag 232 3 0 3 2 1 1 1 0 482 1
pffrnode 88 3 0 3 2 1 1 1 0 8 1
pffrent 40 92 0 92 2 1 1 1 0 8 1
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 38 0 3 1 0 1 1 0 8 0
pfstkey 112 38 0 3 2 0 2 2 0 8 0
pfstate 328 38 0 3 4 0 4 4 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 256 324 0 141 15 1 14 14 0 8 1
art_table 32 325 0 141 2 0 2 2 0 8 0
art_node 16 63 0 23 1 0 1 1 0 8 0
sysvmsgpl 40 35 0 18 1 0 1 1 0 8 0
semupl 112 4 0 4 1 0 1 1 0 8 1
semapl 112 34 0 24 1 0 1 1 0 8 0
shmpl 112 21 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1805 0 396 46 0 46 46 0 8 0
ffsino 272 1805 0 396 95 0 95 95 0 8 0
nchpl 144 2357 0 750 61 0 61 61 0 8 0
uvmvnodes 72 2067 0 0 38 0 38 38 0 8 0
vnodes 208 2067 0 0 109 0 109 109 0 8 0
namei 1024 6419 0 6419 1 0 1 1 0 8 1
percpumem 16 36 0 3 1 0 1 1 0 8 0
vcpupl 1984 1 0 0 1 0 1 1 0 8 0
vmpool 560 1 0 0 1 0 1 1 0 8 0
scxspl 192 7264 0 7264 7 1 6 6 0 8 6
plimitpl 152 31 0 23 1 0 1 1 0 8 0
sigapl 432 450 0 435 3 1 2 3 0 8 0
futexpl 56 4218 0 4218 1 0 1 1 0 8 1
knotepl 112 97 0 78 1 0 1 1 0 8 0
kqueuepl 104 65 0 63 1 0 1 1 0 8 0
pipelkpl 48 123 0 111 1 0 1 1 0 8 0
pipepl 120 246 0 223 2 0 2 2 0 8 0
fdescpl 496 451 0 435 3 0 3 3 0 8 0
filepl 152 2979 0 2861 6 0 6 6 0 8 1
lockfpl 104 37 0 35 1 0 1 1 0 8 0
lockfspl 48 15 0 13 1 0 1 1 0 8 0
sessionpl 112 18 0 7 1 0 1 1 0 8 0
pgrppl 48 20 0 9 1 0 1 1 0 8 0
ucredpl 96 235 0 225 1 0 1 1 0 8 0
zombiepl 144 435 0 435 1 0 1 1 0 8 1
processpl 960 467 0 435 5 0 5 5 0 8 0
procpl 624 955 0 913 4 0 4 4 0 8 0
sosppl 128 3 0 3 1 0 1 1 0 8 1
sockpl 400 742 0 710 5 0 5 5 0 8 1
mcl64k 65536 15 0 0 2 0 2 2 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl12k 12288 3 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 7 0 0 1 0 1 1 0 8 0
mcl4k 4096 4 0 0 1 0 1 1 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 150 0 0 18 0 18 18 0 8 0
mtagpl 80 14 0 0 1 0 1 1 0 8 0
mbufpl 256 514 0 0 32 0 32 32 0 8 0
bufpl 280 4664 0 193 320 0 320 320 0 8 0
anonpl 16 57128 0 39714 76 1 75 75 0 125 4
amapchunkpl 152 2222 0 2079 8 1 7 8 0 158 0
amappl16 192 2163 0 1216 52 0 52 52 0 8 4
amappl15 184 58 0 55 1 0 1 1 0 8 0
amappl14 176 130 0 127 1 0 1 1 0 8 0
amappl13 168 116 0 115 1 0 1 1 0 8 0
amappl12 160 4 0 4 1 1 0 1 0 8 0
amappl11 152 56 0 40 1 0 1 1 0 8 0
amappl10 144 9 0 6 1 0 1 1 0 8 0
amappl9 136 609 0 605 1 0 1 1 0 8 0
amappl8 128 145 0 117 2 0 2 2 0 8 0
amappl7 120 101 0 90 1 0 1 1 0 8 0
amappl6 112 62 0 51 1 0 1 1 0 8 0
amappl5 104 136 0 120 1 0 1 1 0 8 0
amappl4 96 831 0 795 2 1 1 2 0 8 0
amappl3 88 223 0 214 1 0 1 1 0 8 0
amappl2 80 2699 0 2625 3 1 2 3 0 8 0
amappl1 72 19871 0 19426 26 16 10 20 0 8 0
amappl 80 1211 0 1165 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 22 0 2 1 0 1 1 0 8 0
uaddrrnd 24 452 0 435 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 452 0 435 1 0 1 1 0 8 0
vmmpekpl 168 7154 0 7112 3 0 3 3 0 8 0
vmmpepl 168 62545 0 60415 119 11 108 114 0 357 14
vmsppl 368 451 0 435 2 0 2 2 0 8 0
pdppl 4096 911 0 871 6 0 6 6 0 8 0
pvpl 32 187648 0 167031 181 0 181 181 0 265 13
pmappl 232 451 0 435 2 0 2 2 0 8 1
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 192 0 4 6 0 6 6 0 8 0
---
This bug is generated by a bot. It may contain errors.
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Anton Lindqvist
Feb 7, 2020, 4:35:52 AM2/7/20
to syzbot, syzkaller-o...@googlegroups.com
#syz dup: panic: receive 1: so ADDR, so_type 3, sb_cc 6586
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