protection_fault: sys_semop
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syzbot
Feb 28, 2024, 10:16:24 PMFeb 28
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: e5d416df88ac Small tweak for X509_check_purpose()
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=133c5516180000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=53b2e095be6ecaf39fd0
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ae67e0f3f3fa/disk-e5d416df.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/54eb5c2865d9/bsd-e5d416df.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0a6eb3a0ce01/kernel-e5d416df.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+53b2e0...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at sys_semop+0x2f7: movzwl 0(%r13),%ebx
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
sys_semop(ffff80002a669560,ffff8000377ed980,ffff8000377ed8d0) at sys_semop+0x2f7 sys/kern/sysv_sem.c:615
syscall(ffff8000377ed980) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc38a209990, count: -3
ddb> show registers
rdi 0
rsi 0
rbp 0xffff8000377ed8a0
rbx 0
rdx 0
rcx 0
rax 0xffff80002a669560
r8 0x7f7fffffc000
r9 0xfffffd807f7d77b8
r10 0x70f727e2e3f987f5
r11 0x4565408cf6f89dca
r12 0
r13 0xdeafbeaddeafbead
r14 0xffff8000377ed980
r15 0xfffffd8073955930
rip 0xffffffff81aa4ae7 sys_semop+0x2f7
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000377ed7a0
ss 0x10
sys_semop+0x2f7: movzwl 0(%r13),%ebx
ddb> show proc
PROC (syz-executor.3) tid=309500 pid=88563 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=4, usrpri=70, slppri=4, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a61bd50,0xffff80002a669ac0
process=0xffff8000329665c8 user=0xffff8000377e8000, vmspace=0xfffffd80698e3010
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
67824 517887 69917 0 3 0x80 nanoslp syz-executor.1
67824 10402 69917 0 3 0x4000080 fsleep syz-executor.1
16614 262963 31221 0 2 0 syz-executor.4
16614 429835 31221 0 3 0x4000080 fsleep syz-executor.4
16614 284648 31221 0 2 0x4000000 syz-executor.4
88563 258410 94952 0 3 0x80 nanoslp syz-executor.3
*88563 309500 94952 0 7 0x4000000 syz-executor.3
88563 129393 94952 0 3 0x4000080 fsleep syz-executor.3
88563 127656 94952 0 3 0x4000080 fsleep syz-executor.3
16875 512448 10764 0 2 0 syz-executor.6
16875 330400 10764 0 3 0x4000080 fsleep syz-executor.6
3506 517908 29619 0 2 0 syz-executor.0
3506 393741 29619 0 3 0x4000080 fsleep syz-executor.0
3506 445972 29619 0 3 0x4000080 fsleep syz-executor.0
86924 412847 23962 0 2 0 syz-executor.5
86924 483852 23962 0 3 0x4000080 fsleep syz-executor.5
51805 276345 29244 0 2 0x10 syz-executor.7
51805 259699 29244 0 2 0x4000010 syz-executor.7
51805 442536 29244 0 2 0x4000010 syz-executor.7
51805 181700 29244 0 2 0x4000010 syz-executor.7
31221 331579 13116 0 3 0x82 nanoslp syz-executor.4
10764 180039 13116 0 3 0x82 nanoslp syz-executor.6
23962 251250 13116 0 3 0x82 nanoslp syz-executor.5
29244 305553 13116 0 3 0x82 nanoslp syz-executor.7
94952 56672 13116 0 2 0x482 syz-executor.3
29403 387195 13116 0 3 0x82 nanoslp syz-executor.2
69917 353214 13116 0 2 0x482 syz-executor.1
29619 328552 13116 0 3 0x82 nanoslp syz-executor.0
13116 491994 72507 0 3 0x2000082 wait syz-fuzzer
13116 99962 72507 0 3 0x6000082 nanoslp syz-fuzzer
13116 239942 72507 0 3 0x6000082 wait syz-fuzzer
13116 490231 72507 0 3 0x6000082 wait syz-fuzzer
13116 326270 72507 0 3 0x6000082 thrsleep syz-fuzzer
13116 310164 72507 0 3 0x6000082 thrsleep syz-fuzzer
13116 345806 72507 0 3 0x6000082 wait syz-fuzzer
13116 315932 72507 0 3 0x6000082 wait syz-fuzzer
13116 254734 72507 0 3 0x6000082 wait syz-fuzzer
13116 332523 72507 0 3 0x6000082 thrsleep syz-fuzzer
13116 39707 72507 0 3 0x6000082 wait syz-fuzzer
13116 44531 72507 0 3 0x6000082 wait syz-fuzzer
13116 103670 72507 0 3 0x6000082 thrsleep syz-fuzzer
13116 188085 72507 0 3 0x6000082 kqread syz-fuzzer
72507 196017 81795 0 3 0x10008a sigsusp ksh
81795 425338 74434 0 3 0x9a kqread sshd
60888 418499 1 0 3 0x100083 ttyin getty
74434 142791 1 0 3 0x88 kqread sshd
76785 462463 8939 73 3 0x1100090 kqread syslogd
8939 419092 1 0 3 0x100082 netio syslogd
56783 400180 1 0 3 0x100080 kqread resolvd
36954 177180 97253 77 3 0x100092 kqread dhcpleased
58663 213202 97253 77 3 0x100092 kqread dhcpleased
97253 147489 1 0 3 0x80 kqread dhcpleased
59228 522623 0 0 3 0x14200 bored smr
78329 118803 0 0 2 0x14200 zerothread
26196 432512 0 0 3 0x14200 aiodoned aiodoned
46325 218683 0 0 3 0x14200 syncer update
62207 78488 0 0 3 0x14200 cleaner cleaner
61122 277632 0 0 3 0x14200 reaper reaper
36714 127995 0 0 3 0x14200 pgdaemon pagedaemon
94535 209365 0 0 3 0x14200 bored viomb
14728 498630 0 0 3 0x40014200 acpi0 acpi0
23367 297641 0 0 3 0x14200 bored softnet3
4349 62060 0 0 3 0x14200 bored softnet2
21510 110385 0 0 3 0x14200 bored softnet1
72648 34743 0 0 3 0x14200 bored softnet0
7166 392845 0 0 3 0x14200 bored systqmp
53313 17534 0 0 3 0x14200 bored systq
92078 399524 0 0 3 0x40014200 tmoslp softclock
94610 244026 0 0 3 0x40014200 idle0
1 139652 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 10165 6401K 6667K 166960K 11371 0
pcb 15 12K 13K 166960K 32 0
rtable 234 6K 6K 166960K 350 0
pf 29 8K 8K 166960K 29 0
ifaddr 43 11K 11K 166960K 45 0
ifgroup 50 2K 2K 166960K 50 0
counters 30 17K 17K 166960K 30 0
ioctlops 0 0K 2K 166960K 32 0
iov 0 0K 12K 166960K 7 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1285 80K 80K 166960K 1348 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 9 0K 1K 166960K 78 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 17 61K 69K 166960K 261 0
proc 59 67K 91K 166960K 477 0
subproc 104 6K 6K 166960K 104 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 3 0
in_multi 99 7K 7K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 49 228K 228K 166960K 49 0
exec 0 0K 1K 166960K 574 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 335 84K 85K 166960K 4434 0
UVM aobj 12 2K 2K 166960K 12 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 11 0K 2K 166960K 27 0
temp 73 6760K 6824K 166960K 6304 0
kqueue 12 18K 24K 166960K 38 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 40 0 37 1 0 1 1 0 8 0
rtentry 112 111 0 1 4 0 4 4 0 8 0
unpcb 144 194 0 177 6 0 6 6 0 8 5
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpqe 32 414 0 414 2 0 2 2 0 8 2
tcpcb 808 131 0 126 8 0 8 8 0 8 7
arp 88 18 0 0 1 0 1 1 0 8 0
inpcb 360 265 0 257 8 0 8 8 0 8 7
nd6 104 24 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 453 0 0 29 0 29 29 0 8 0
art_table 32 454 0 0 4 0 4 4 0 8 0
art_node 16 110 0 10 1 0 1 1 0 8 0
semapl 112 9 0 3 1 0 1 1 0 8 0
shmpl 112 9 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1677 0 231 91 0 91 91 0 8 0
ffsino 240 1677 0 231 86 0 86 86 0 8 0
nchpl 144 2146 0 460 63 0 63 63 0 8 0
uvmvnodes 80 1815 0 0 38 0 38 38 0 8 0
vnodes 216 1815 0 0 101 0 101 101 0 8 0
namei 1024 7713 0 7713 3 0 3 3 0 8 3
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 8238 0 8238 8 0 8 8 1 8 8
plimitpl 152 40 0 25 1 0 1 1 0 8 0
sigapl 424 559 0 514 6 0 6 6 0 8 0
futexpl 64 1840 0 1832 1 0 1 1 0 8 0
knotepl 120 5667 0 5585 3 0 3 3 0 8 0
kqueuepl 184 43 0 35 1 0 1 1 0 8 0
pipepl 288 149 0 121 3 0 3 3 0 8 1
fdescpl 432 543 0 515 4 0 4 4 0 8 0
filepl 120 2876 0 2569 12 0 12 12 0 8 2
lockfpl 104 37 0 35 1 0 1 1 0 8 0
lockfspl 48 16 0 14 1 0 1 1 0 8 0
sessionpl 144 23 0 7 1 0 1 1 0 8 0
pgrppl 48 23 0 7 1 0 1 1 0 8 0
ucredpl 104 324 0 313 1 0 1 1 0 8 0
zombiepl 144 515 0 514 1 0 1 1 0 8 0
processpl 1072 559 0 514 4 0 4 4 0 8 0
procpl 680 800 0 729 6 0 6 6 0 8 0
sockpl 488 499 0 471 21 1 20 20 0 8 16
mcl64k 65536 10 0 10 1 0 1 1 0 8 1
mcl16k 16384 11 0 11 1 0 1 1 0 8 1
mcl12k 12288 9 0 9 1 0 1 1 0 8 1
mcl9k 9216 3 0 3 1 0 1 1 0 8 1
mcl8k 8192 23 0 23 1 0 1 1 0 8 1
mcl4k 4096 30 0 30 1 0 1 1 0 8 1
mcl2k 2048 67981 0 67901 42 28 14 29 0 8 3
mtagpl 96 48 0 4 2 0 2 2 0 8 0
mbufpl 256 108397 0 108222 20 6 14 15 0 8 1
bufpl 280 4599 0 141 319 0 319 319 0 8 0
anonpl 24 208919 0 196062 79 0 79 79 0 188 0
amapchunkpl 152 14912 0 14025 36 0 36 36 0 158 1
amappl16 200 5808 0 5436 21 0 21 21 0 8 1
amappl15 192 9 0 9 1 0 1 1 0 8 1
amappl14 184 145 0 133 2 0 2 2 0 8 1
amappl13 176 9 0 9 1 0 1 1 0 8 1
amappl12 168 1174 0 1142 2 0 2 2 0 8 0
amappl11 160 58 0 47 1 0 1 1 0 8 0
amappl10 152 29 0 21 1 0 1 1 0 8 0
amappl9 144 160 0 158 1 0 1 1 0 8 0
amappl8 136 175 0 129 2 0 2 2 0 8 0
amappl7 128 160 0 142 2 0 2 2 0 8 0
amappl6 120 260 0 252 1 0 1 1 0 8 0
amappl5 112 124 0 116 1 0 1 1 0 8 0
amappl4 104 398 0 377 2 0 2 2 0 8 1
amappl3 96 3456 0 3361 3 0 3 3 0 8 0
amappl2 88 984 0 913 3 0 3 3 0 8 1
amappl1 80 10087 0 9573 22 2 20 22 0 8 8
amappl 88 3935 0 3700 6 0 6 6 0 92 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 253 0 253 1 0 1 1 0 8 1
dma64 64 6 0 6 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 11 0 0 1 0 1 1 0 8 0
uaddrrnd 24 543 0 515 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 543 0 515 1 0 1 1 0 8 0
vmmpekpl 168 10092 0 10045 3 0 3 3 0 8 0
vmmpepl 168 56721 0 54527 123 0 123 123 0 357 27
vmsppl 352 542 0 515 3 0 3 3 0 8 0
rwobjpl 24 23113 0 19907 20 0 20 20 0 8 0
pdppl 4096 1092 0 1030 98 34 64 66 0 8 2
pvpl 32 439164 0 420761 362 17 345 362 0 265 195
pmappl 216 542 0 515 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 398 0 68 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
sys_semop(ffff80002a669560,ffff8000377ed980,ffff8000377ed8d0) at sys_semop+0x2f7 sys/kern/sysv_sem.c:615
syscall(ffff8000377ed980) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc38a209990, count: -3
ddb> machine ddbcpu 1
No such command
ddb> trace
sys_semop(ffff80002a669560,ffff8000377ed980,ffff8000377ed8d0) at sys_semop+0x2f7 sys/kern/sysv_sem.c:615
syscall(ffff8000377ed980) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc38a209990, count: -3
---
This report is generated by a bot. It may contain errors.
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If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: e5d416df88ac Small tweak for X509_check_purpose()
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=133c5516180000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=53b2e095be6ecaf39fd0
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ae67e0f3f3fa/disk-e5d416df.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/54eb5c2865d9/bsd-e5d416df.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0a6eb3a0ce01/kernel-e5d416df.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+53b2e0...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at sys_semop+0x2f7: movzwl 0(%r13),%ebx
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
sys_semop(ffff80002a669560,ffff8000377ed980,ffff8000377ed8d0) at sys_semop+0x2f7 sys/kern/sysv_sem.c:615
syscall(ffff8000377ed980) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc38a209990, count: -3
ddb> show registers
rdi 0
rsi 0
rbp 0xffff8000377ed8a0
rbx 0
rdx 0
rcx 0
rax 0xffff80002a669560
r8 0x7f7fffffc000
r9 0xfffffd807f7d77b8
r10 0x70f727e2e3f987f5
r11 0x4565408cf6f89dca
r12 0
r13 0xdeafbeaddeafbead
r14 0xffff8000377ed980
r15 0xfffffd8073955930
rip 0xffffffff81aa4ae7 sys_semop+0x2f7
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000377ed7a0
ss 0x10
sys_semop+0x2f7: movzwl 0(%r13),%ebx
ddb> show proc
PROC (syz-executor.3) tid=309500 pid=88563 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=4, usrpri=70, slppri=4, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a61bd50,0xffff80002a669ac0
process=0xffff8000329665c8 user=0xffff8000377e8000, vmspace=0xfffffd80698e3010
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
67824 517887 69917 0 3 0x80 nanoslp syz-executor.1
67824 10402 69917 0 3 0x4000080 fsleep syz-executor.1
16614 262963 31221 0 2 0 syz-executor.4
16614 429835 31221 0 3 0x4000080 fsleep syz-executor.4
16614 284648 31221 0 2 0x4000000 syz-executor.4
88563 258410 94952 0 3 0x80 nanoslp syz-executor.3
*88563 309500 94952 0 7 0x4000000 syz-executor.3
88563 129393 94952 0 3 0x4000080 fsleep syz-executor.3
88563 127656 94952 0 3 0x4000080 fsleep syz-executor.3
16875 512448 10764 0 2 0 syz-executor.6
16875 330400 10764 0 3 0x4000080 fsleep syz-executor.6
3506 517908 29619 0 2 0 syz-executor.0
3506 393741 29619 0 3 0x4000080 fsleep syz-executor.0
3506 445972 29619 0 3 0x4000080 fsleep syz-executor.0
86924 412847 23962 0 2 0 syz-executor.5
86924 483852 23962 0 3 0x4000080 fsleep syz-executor.5
51805 276345 29244 0 2 0x10 syz-executor.7
51805 259699 29244 0 2 0x4000010 syz-executor.7
51805 442536 29244 0 2 0x4000010 syz-executor.7
51805 181700 29244 0 2 0x4000010 syz-executor.7
31221 331579 13116 0 3 0x82 nanoslp syz-executor.4
10764 180039 13116 0 3 0x82 nanoslp syz-executor.6
23962 251250 13116 0 3 0x82 nanoslp syz-executor.5
29244 305553 13116 0 3 0x82 nanoslp syz-executor.7
94952 56672 13116 0 2 0x482 syz-executor.3
29403 387195 13116 0 3 0x82 nanoslp syz-executor.2
69917 353214 13116 0 2 0x482 syz-executor.1
29619 328552 13116 0 3 0x82 nanoslp syz-executor.0
13116 491994 72507 0 3 0x2000082 wait syz-fuzzer
13116 99962 72507 0 3 0x6000082 nanoslp syz-fuzzer
13116 239942 72507 0 3 0x6000082 wait syz-fuzzer
13116 490231 72507 0 3 0x6000082 wait syz-fuzzer
13116 326270 72507 0 3 0x6000082 thrsleep syz-fuzzer
13116 310164 72507 0 3 0x6000082 thrsleep syz-fuzzer
13116 345806 72507 0 3 0x6000082 wait syz-fuzzer
13116 315932 72507 0 3 0x6000082 wait syz-fuzzer
13116 254734 72507 0 3 0x6000082 wait syz-fuzzer
13116 332523 72507 0 3 0x6000082 thrsleep syz-fuzzer
13116 39707 72507 0 3 0x6000082 wait syz-fuzzer
13116 44531 72507 0 3 0x6000082 wait syz-fuzzer
13116 103670 72507 0 3 0x6000082 thrsleep syz-fuzzer
13116 188085 72507 0 3 0x6000082 kqread syz-fuzzer
72507 196017 81795 0 3 0x10008a sigsusp ksh
81795 425338 74434 0 3 0x9a kqread sshd
60888 418499 1 0 3 0x100083 ttyin getty
74434 142791 1 0 3 0x88 kqread sshd
76785 462463 8939 73 3 0x1100090 kqread syslogd
8939 419092 1 0 3 0x100082 netio syslogd
56783 400180 1 0 3 0x100080 kqread resolvd
36954 177180 97253 77 3 0x100092 kqread dhcpleased
58663 213202 97253 77 3 0x100092 kqread dhcpleased
97253 147489 1 0 3 0x80 kqread dhcpleased
59228 522623 0 0 3 0x14200 bored smr
78329 118803 0 0 2 0x14200 zerothread
26196 432512 0 0 3 0x14200 aiodoned aiodoned
46325 218683 0 0 3 0x14200 syncer update
62207 78488 0 0 3 0x14200 cleaner cleaner
61122 277632 0 0 3 0x14200 reaper reaper
36714 127995 0 0 3 0x14200 pgdaemon pagedaemon
94535 209365 0 0 3 0x14200 bored viomb
14728 498630 0 0 3 0x40014200 acpi0 acpi0
23367 297641 0 0 3 0x14200 bored softnet3
4349 62060 0 0 3 0x14200 bored softnet2
21510 110385 0 0 3 0x14200 bored softnet1
72648 34743 0 0 3 0x14200 bored softnet0
7166 392845 0 0 3 0x14200 bored systqmp
53313 17534 0 0 3 0x14200 bored systq
92078 399524 0 0 3 0x40014200 tmoslp softclock
94610 244026 0 0 3 0x40014200 idle0
1 139652 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 10165 6401K 6667K 166960K 11371 0
pcb 15 12K 13K 166960K 32 0
rtable 234 6K 6K 166960K 350 0
pf 29 8K 8K 166960K 29 0
ifaddr 43 11K 11K 166960K 45 0
ifgroup 50 2K 2K 166960K 50 0
counters 30 17K 17K 166960K 30 0
ioctlops 0 0K 2K 166960K 32 0
iov 0 0K 12K 166960K 7 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1285 80K 80K 166960K 1348 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 9 0K 1K 166960K 78 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 17 61K 69K 166960K 261 0
proc 59 67K 91K 166960K 477 0
subproc 104 6K 6K 166960K 104 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 3 0
in_multi 99 7K 7K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 49 228K 228K 166960K 49 0
exec 0 0K 1K 166960K 574 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 335 84K 85K 166960K 4434 0
UVM aobj 12 2K 2K 166960K 12 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 11 0K 2K 166960K 27 0
temp 73 6760K 6824K 166960K 6304 0
kqueue 12 18K 24K 166960K 38 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 40 0 37 1 0 1 1 0 8 0
rtentry 112 111 0 1 4 0 4 4 0 8 0
unpcb 144 194 0 177 6 0 6 6 0 8 5
syncache 336 4 0 4 1 0 1 1 0 8 1
tcpqe 32 414 0 414 2 0 2 2 0 8 2
tcpcb 808 131 0 126 8 0 8 8 0 8 7
arp 88 18 0 0 1 0 1 1 0 8 0
inpcb 360 265 0 257 8 0 8 8 0 8 7
nd6 104 24 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 453 0 0 29 0 29 29 0 8 0
art_table 32 454 0 0 4 0 4 4 0 8 0
art_node 16 110 0 10 1 0 1 1 0 8 0
semapl 112 9 0 3 1 0 1 1 0 8 0
shmpl 112 9 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1677 0 231 91 0 91 91 0 8 0
ffsino 240 1677 0 231 86 0 86 86 0 8 0
nchpl 144 2146 0 460 63 0 63 63 0 8 0
uvmvnodes 80 1815 0 0 38 0 38 38 0 8 0
vnodes 216 1815 0 0 101 0 101 101 0 8 0
namei 1024 7713 0 7713 3 0 3 3 0 8 3
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 8238 0 8238 8 0 8 8 1 8 8
plimitpl 152 40 0 25 1 0 1 1 0 8 0
sigapl 424 559 0 514 6 0 6 6 0 8 0
futexpl 64 1840 0 1832 1 0 1 1 0 8 0
knotepl 120 5667 0 5585 3 0 3 3 0 8 0
kqueuepl 184 43 0 35 1 0 1 1 0 8 0
pipepl 288 149 0 121 3 0 3 3 0 8 1
fdescpl 432 543 0 515 4 0 4 4 0 8 0
filepl 120 2876 0 2569 12 0 12 12 0 8 2
lockfpl 104 37 0 35 1 0 1 1 0 8 0
lockfspl 48 16 0 14 1 0 1 1 0 8 0
sessionpl 144 23 0 7 1 0 1 1 0 8 0
pgrppl 48 23 0 7 1 0 1 1 0 8 0
ucredpl 104 324 0 313 1 0 1 1 0 8 0
zombiepl 144 515 0 514 1 0 1 1 0 8 0
processpl 1072 559 0 514 4 0 4 4 0 8 0
procpl 680 800 0 729 6 0 6 6 0 8 0
sockpl 488 499 0 471 21 1 20 20 0 8 16
mcl64k 65536 10 0 10 1 0 1 1 0 8 1
mcl16k 16384 11 0 11 1 0 1 1 0 8 1
mcl12k 12288 9 0 9 1 0 1 1 0 8 1
mcl9k 9216 3 0 3 1 0 1 1 0 8 1
mcl8k 8192 23 0 23 1 0 1 1 0 8 1
mcl4k 4096 30 0 30 1 0 1 1 0 8 1
mcl2k 2048 67981 0 67901 42 28 14 29 0 8 3
mtagpl 96 48 0 4 2 0 2 2 0 8 0
mbufpl 256 108397 0 108222 20 6 14 15 0 8 1
bufpl 280 4599 0 141 319 0 319 319 0 8 0
anonpl 24 208919 0 196062 79 0 79 79 0 188 0
amapchunkpl 152 14912 0 14025 36 0 36 36 0 158 1
amappl16 200 5808 0 5436 21 0 21 21 0 8 1
amappl15 192 9 0 9 1 0 1 1 0 8 1
amappl14 184 145 0 133 2 0 2 2 0 8 1
amappl13 176 9 0 9 1 0 1 1 0 8 1
amappl12 168 1174 0 1142 2 0 2 2 0 8 0
amappl11 160 58 0 47 1 0 1 1 0 8 0
amappl10 152 29 0 21 1 0 1 1 0 8 0
amappl9 144 160 0 158 1 0 1 1 0 8 0
amappl8 136 175 0 129 2 0 2 2 0 8 0
amappl7 128 160 0 142 2 0 2 2 0 8 0
amappl6 120 260 0 252 1 0 1 1 0 8 0
amappl5 112 124 0 116 1 0 1 1 0 8 0
amappl4 104 398 0 377 2 0 2 2 0 8 1
amappl3 96 3456 0 3361 3 0 3 3 0 8 0
amappl2 88 984 0 913 3 0 3 3 0 8 1
amappl1 80 10087 0 9573 22 2 20 22 0 8 8
amappl 88 3935 0 3700 6 0 6 6 0 92 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 253 0 253 1 0 1 1 0 8 1
dma64 64 6 0 6 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 11 0 0 1 0 1 1 0 8 0
uaddrrnd 24 543 0 515 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 543 0 515 1 0 1 1 0 8 0
vmmpekpl 168 10092 0 10045 3 0 3 3 0 8 0
vmmpepl 168 56721 0 54527 123 0 123 123 0 357 27
vmsppl 352 542 0 515 3 0 3 3 0 8 0
rwobjpl 24 23113 0 19907 20 0 20 20 0 8 0
pdppl 4096 1092 0 1030 98 34 64 66 0 8 2
pvpl 32 439164 0 420761 362 17 345 362 0 265 195
pmappl 216 542 0 515 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 398 0 68 10 0 10 10 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
sys_semop(ffff80002a669560,ffff8000377ed980,ffff8000377ed8d0) at sys_semop+0x2f7 sys/kern/sysv_sem.c:615
syscall(ffff8000377ed980) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc38a209990, count: -3
ddb> machine ddbcpu 1
No such command
ddb> trace
sys_semop(ffff80002a669560,ffff8000377ed980,ffff8000377ed8d0) at sys_semop+0x2f7 sys/kern/sysv_sem.c:615
syscall(ffff8000377ed980) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc38a209990, count: -3
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot
Feb 28, 2024, 10:48:26 PMFeb 28
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: e5d416df88ac Small tweak for X509_check_purpose()
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1263e436180000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=116a1c54180000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ae67e0f3f3fa/disk-e5d416df.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/54eb5c2865d9/bsd-e5d416df.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0a6eb3a0ce01/kernel-e5d416df.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+53b2e0...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at sys_semop+0x2f7: movzwl 0(%r13),%ebx
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
sys_semop(ffff80002a5c7a98,ffff80002a65b330,ffff80002a65b280) at sys_semop+0x2f7 sys/kern/sysv_sem.c:615
syscall(ffff80002a65b330) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
rbx 0
rdx 0xffff80002a656000
rcx 0
rax 0xdeadbeefdeadbeef
r8 0x7f7fffffc000
r9 0xfffffd807f7d7af8
r10 0x6026e36e2a115ea6
r11 0x68251e1946981e3b
r12 0
r13 0xdeadbeefdeadbeef
r14 0xffff80002a65b330
r15 0xfffffd806c350e70
flags process=2<EXEC> proc=4000000<THREAD>
runpri=4, usrpri=52, slppri=4, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a5c72a0,0xffff80002a61c818
process=0xffff8000ffff50d0 user=0xffff80002a656000, vmspace=0xfffffd80074ba160
estcpu=2, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
93763 217003 22222 0 3 0x4000082 fsleep syz-executor113882395
*93763 310877 22222 0 7 0x4000002 syz-executor113882395
93763 522996 22222 0 3 0x4000082 fsleep syz-executor113882395
22222 351092 7184 0 3 0x10008a sigsusp ksh
7184 353210 35762 0 3 0x9a kqread sshd
52309 486534 1 0 3 0x100083 ttyin getty
35762 230693 1 0 3 0x88 kqread sshd
26058 456709 8474 73 3 0x1100090 kqread syslogd
8474 520725 1 0 3 0x100082 netio syslogd
22939 381312 1 0 3 0x100080 kqread resolvd
92199 311396 92023 77 3 0x100092 kqread dhcpleased
15952 83569 92023 77 3 0x100092 kqread dhcpleased
92023 35345 1 0 3 0x80 kqread dhcpleased
78385 254162 0 0 3 0x14200 bored smr
38952 175134 0 0 3 0x14200 pgzero zerothread
99740 30578 0 0 3 0x14200 aiodoned aiodoned
63178 139637 0 0 3 0x14200 syncer update
51128 163003 0 0 3 0x14200 cleaner cleaner
67979 311066 0 0 3 0x14200 reaper reaper
55470 25643 0 0 3 0x14200 pgdaemon pagedaemon
26564 166329 0 0 3 0x14200 bored viomb
41572 145179 0 0 3 0x40014200 acpi0 acpi0
29343 398639 0 0 3 0x14200 bored softnet3
56889 393905 0 0 3 0x14200 bored softnet2
59457 403910 0 0 3 0x14200 bored softnet1
17941 312070 0 0 3 0x14200 bored softnet0
812 427211 0 0 3 0x14200 bored systqmp
98314 462004 0 0 3 0x14200 bored systq
60356 320132 0 0 3 0x40014200 tmoslp softclock
82014 213226 0 0 3 0x40014200 idle0
1 99025 0 0 3 0x82 wait init
pcb 15 10K 10K 166960K 15 0
rtable 58 1K 2K 166960K 110 0
pf 12 6K 6K 166960K 12 0
ifaddr 11 5K 5K 166960K 11 0
ifgroup 17 1K 1K 166960K 17 0
counters 22 16K 16K 166960K 22 0
ioctlops 0 0K 2K 166960K 21 0
proc 55 58K 59K 166960K 246 0
exec 0 0K 1K 166960K 243 0
UVM aobj 3 2K 2K 166960K 3 0
temp 1 6748K 6812K 166960K 2781 0
kqueue 11 16K 18K 166960K 24 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 144 33 0 20 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpqe 32 73 0 73 1 0 1 1 0 8 1
tcpcb 808 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 360 26 0 20 1 0 1 1 0 8 0
art_table 32 98 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
semapl 112 1 0 1 1 0 1 1 0 8 1
ffsino 240 1423 0 37 82 0 82 82 0 8 0
nchpl 144 1606 0 47 58 0 58 58 0 8 0
uvmvnodes 80 1432 0 0 30 0 30 30 0 8 0
vnodes 216 1432 0 0 80 0 80 80 0 8 0
namei 1024 4258 0 4258 1 0 1 1 0 8 1
kstatmem 264 6 0 0 1 0 1 1 0 8 0
scxspl 216 5322 0 5322 8 0 8 8 1 8 8
plimitpl 152 17 0 10 1 0 1 1 0 8 0
sigapl 424 308 0 279 4 0 4 4 0 8 0
futexpl 64 8 0 6 1 0 1 1 0 8 0
knotepl 120 3728 0 3699 2 0 2 2 0 8 1
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 288 87 0 84 1 0 1 1 0 8 0
fdescpl 432 292 0 279 2 0 2 2 0 8 0
filepl 120 1127 0 1073 2 0 2 2 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 17 0 9 1 0 1 1 0 8 0
pgrppl 48 17 0 9 1 0 1 1 0 8 0
ucredpl 104 66 0 56 1 0 1 1 0 8 0
zombiepl 144 279 0 279 1 0 1 1 0 8 1
processpl 1072 308 0 279 3 0 3 3 0 8 0
procpl 680 311 0 279 3 0 3 3 0 8 0
sockpl 488 79 0 57 3 0 3 3 0 8 0
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 10 0 10 1 0 1 1 0 8 1
mcl2k 2048 12212 0 12170 33 19 14 32 0 8 7
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 19597 0 19550 17 5 12 17 0 8 6
bufpl 280 2514 0 86 174 0 174 174 0 8 0
anonpl 24 212230 0 210341 24 0 24 24 0 188 12
amapchunkpl 152 9280 0 9112 7 0 7 7 0 158 0
amappl16 200 6224 0 6224 5 0 5 5 0 8 5
amappl15 192 16 0 16 1 0 1 1 0 8 1
amappl14 184 109 0 99 1 0 1 1 0 8 0
amappl13 176 10 0 10 1 0 1 1 0 8 1
amappl12 168 799 0 786 1 0 1 1 0 8 0
amappl11 160 51 0 41 1 0 1 1 0 8 0
amappl10 152 19 0 19 1 0 1 1 0 8 1
amappl9 144 104 0 104 1 0 1 1 0 8 1
amappl8 136 55 0 53 1 0 1 1 0 8 0
amappl7 128 87 0 76 1 0 1 1 0 8 0
amappl6 120 119 0 114 1 0 1 1 0 8 0
amappl5 112 109 0 101 1 0 1 1 0 8 0
amappl4 104 324 0 308 1 0 1 1 0 8 0
amappl3 96 2484 0 2446 1 0 1 1 0 8 0
amappl2 88 619 0 570 2 0 2 2 0 8 0
amappl1 80 8820 0 8391 11 0 11 11 0 8 0
amappl 88 1945 0 1886 2 0 2 2 0 92 0
uaddrrnd 24 292 0 279 1 0 1 1 0 8 0
vmmpekpl 168 6777 0 6760 1 0 1 1 0 8 0
vmmpepl 168 35111 0 34174 46 0 46 46 0 357 5
vmsppl 352 291 0 279 2 0 2 2 0 8 0
rwobjpl 24 19927 0 17856 14 0 14 14 0 8 1
pdppl 4096 590 0 558 48 14 34 40 0 8 2
pvpl 32 306152 0 301874 52 0 52 52 0 265 15
pmappl 216 291 0 279 1 0 1 1 0 8 0
syscall(ffff80002a65b330) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
syscall(ffff80002a65b330) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
ddb>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
HEAD commit: e5d416df88ac Small tweak for X509_check_purpose()
git tree: openbsd
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=53b2e095be6ecaf39fd0
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=120ae874180000
dashboard link: https://syzkaller.appspot.com/bug?extid=53b2e095be6ecaf39fd0
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=116a1c54180000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ae67e0f3f3fa/disk-e5d416df.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/54eb5c2865d9/bsd-e5d416df.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0a6eb3a0ce01/kernel-e5d416df.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+53b2e0...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at sys_semop+0x2f7: movzwl 0(%r13),%ebx
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
syscall(ffff80002a65b330) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfb14b5fde40, count: -3
end of kernel
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002a65b250
rdi 0
rsi 0
rbx 0
rdx 0xffff80002a656000
rcx 0
rax 0xdeadbeefdeadbeef
r8 0x7f7fffffc000
r9 0xfffffd807f7d7af8
r10 0x6026e36e2a115ea6
r11 0x68251e1946981e3b
r12 0
r13 0xdeadbeefdeadbeef
r14 0xffff80002a65b330
r15 0xfffffd806c350e70
rip 0xffffffff81aa4ae7 sys_semop+0x2f7
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002a65b150
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
ss 0x10
sys_semop+0x2f7: movzwl 0(%r13),%ebx
ddb> show proc
PROC (syz-executor113882395) tid=310877 pid=93763 tcnt=4 stat=onproc
sys_semop+0x2f7: movzwl 0(%r13),%ebx
ddb> show proc
flags process=2<EXEC> proc=4000000<THREAD>
runpri=4, usrpri=52, slppri=4, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a5c72a0,0xffff80002a61c818
process=0xffff8000ffff50d0 user=0xffff80002a656000, vmspace=0xfffffd80074ba160
estcpu=2, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
93763 152628 22222 0 2 0x482 syz-executor113882395
PID TID PPID UID S FLAGS WAIT COMMAND
93763 217003 22222 0 3 0x4000082 fsleep syz-executor113882395
*93763 310877 22222 0 7 0x4000002 syz-executor113882395
93763 522996 22222 0 3 0x4000082 fsleep syz-executor113882395
22222 351092 7184 0 3 0x10008a sigsusp ksh
7184 353210 35762 0 3 0x9a kqread sshd
52309 486534 1 0 3 0x100083 ttyin getty
35762 230693 1 0 3 0x88 kqread sshd
26058 456709 8474 73 3 0x1100090 kqread syslogd
8474 520725 1 0 3 0x100082 netio syslogd
22939 381312 1 0 3 0x100080 kqread resolvd
92199 311396 92023 77 3 0x100092 kqread dhcpleased
15952 83569 92023 77 3 0x100092 kqread dhcpleased
92023 35345 1 0 3 0x80 kqread dhcpleased
78385 254162 0 0 3 0x14200 bored smr
38952 175134 0 0 3 0x14200 pgzero zerothread
99740 30578 0 0 3 0x14200 aiodoned aiodoned
63178 139637 0 0 3 0x14200 syncer update
51128 163003 0 0 3 0x14200 cleaner cleaner
67979 311066 0 0 3 0x14200 reaper reaper
55470 25643 0 0 3 0x14200 pgdaemon pagedaemon
26564 166329 0 0 3 0x14200 bored viomb
41572 145179 0 0 3 0x40014200 acpi0 acpi0
29343 398639 0 0 3 0x14200 bored softnet3
56889 393905 0 0 3 0x14200 bored softnet2
59457 403910 0 0 3 0x14200 bored softnet1
17941 312070 0 0 3 0x14200 bored softnet0
812 427211 0 0 3 0x14200 bored systqmp
98314 462004 0 0 3 0x14200 bored systq
60356 320132 0 0 3 0x40014200 tmoslp softclock
82014 213226 0 0 3 0x40014200 idle0
1 99025 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 10137 6382K 6413K 166960K 11215 0
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
pcb 15 10K 10K 166960K 15 0
rtable 58 1K 2K 166960K 110 0
pf 12 6K 6K 166960K 12 0
ifaddr 11 5K 5K 166960K 11 0
ifgroup 17 1K 1K 166960K 17 0
counters 22 16K 16K 166960K 22 0
ioctlops 0 0K 2K 166960K 21 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1174 73K 74K 166960K 1187 0
log 0 0K 0K 166960K 4 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
UFS mount 5 36K 36K 166960K 5 0
VM map 2 1K 1K 166960K 2 0
sem 3 0K 0K 166960K 4 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 1 0K 0K 166960K 1 0
ACPI 1697 195K 286K 166960K 12548 0
proc 55 58K 59K 166960K 246 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
in_multi 11 0K 0K 166960K 11 0
NFS daemon 1 16K 16K 166960K 1 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 25 122K 122K 166960K 25 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
exec 0 0K 1K 166960K 243 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 98 12K 12K 166960K 2213 0
VM swap 8 62K 64K 166960K 10 0
UVM aobj 3 2K 2K 166960K 3 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 3 0K 0K 166960K 3 0
crypto data 1 1K 1K 166960K 1 0
temp 1 6748K 6812K 166960K 2781 0
kqueue 11 16K 18K 166960K 24 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 20 0 17 1 0 1 1 0 8 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 144 33 0 20 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpqe 32 73 0 73 1 0 1 1 0 8 1
tcpcb 808 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 360 26 0 20 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 97 0 0 7 0 7 7 0 8 0
art_table 32 98 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
semapl 112 1 0 1 1 0 1 1 0 8 1
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1423 0 37 87 0 87 87 0 8 0
ffsino 240 1423 0 37 82 0 82 82 0 8 0
nchpl 144 1606 0 47 58 0 58 58 0 8 0
uvmvnodes 80 1432 0 0 30 0 30 30 0 8 0
vnodes 216 1432 0 0 80 0 80 80 0 8 0
namei 1024 4258 0 4258 1 0 1 1 0 8 1
kstatmem 264 6 0 0 1 0 1 1 0 8 0
scxspl 216 5322 0 5322 8 0 8 8 1 8 8
plimitpl 152 17 0 10 1 0 1 1 0 8 0
sigapl 424 308 0 279 4 0 4 4 0 8 0
futexpl 64 8 0 6 1 0 1 1 0 8 0
knotepl 120 3728 0 3699 2 0 2 2 0 8 1
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 288 87 0 84 1 0 1 1 0 8 0
fdescpl 432 292 0 279 2 0 2 2 0 8 0
filepl 120 1127 0 1073 2 0 2 2 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 17 0 9 1 0 1 1 0 8 0
pgrppl 48 17 0 9 1 0 1 1 0 8 0
ucredpl 104 66 0 56 1 0 1 1 0 8 0
zombiepl 144 279 0 279 1 0 1 1 0 8 1
processpl 1072 308 0 279 3 0 3 3 0 8 0
procpl 680 311 0 279 3 0 3 3 0 8 0
sockpl 488 79 0 57 3 0 3 3 0 8 0
mcl8k 8192 4 0 4 1 0 1 1 0 8 1
mcl4k 4096 10 0 10 1 0 1 1 0 8 1
mcl2k 2048 12212 0 12170 33 19 14 32 0 8 7
mtagpl 96 4 0 4 1 0 1 1 0 8 1
mbufpl 256 19597 0 19550 17 5 12 17 0 8 6
bufpl 280 2514 0 86 174 0 174 174 0 8 0
anonpl 24 212230 0 210341 24 0 24 24 0 188 12
amapchunkpl 152 9280 0 9112 7 0 7 7 0 158 0
amappl16 200 6224 0 6224 5 0 5 5 0 8 5
amappl15 192 16 0 16 1 0 1 1 0 8 1
amappl14 184 109 0 99 1 0 1 1 0 8 0
amappl13 176 10 0 10 1 0 1 1 0 8 1
amappl12 168 799 0 786 1 0 1 1 0 8 0
amappl11 160 51 0 41 1 0 1 1 0 8 0
amappl10 152 19 0 19 1 0 1 1 0 8 1
amappl9 144 104 0 104 1 0 1 1 0 8 1
amappl8 136 55 0 53 1 0 1 1 0 8 0
amappl7 128 87 0 76 1 0 1 1 0 8 0
amappl6 120 119 0 114 1 0 1 1 0 8 0
amappl5 112 109 0 101 1 0 1 1 0 8 0
amappl4 104 324 0 308 1 0 1 1 0 8 0
amappl3 96 2484 0 2446 1 0 1 1 0 8 0
amappl2 88 619 0 570 2 0 2 2 0 8 0
amappl1 80 8820 0 8391 11 0 11 11 0 8 0
amappl 88 1945 0 1886 2 0 2 2 0 92 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 253 0 253 1 0 1 1 0 8 1
dma64 64 6 0 6 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 2 0 0 1 0 1 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 253 0 253 1 0 1 1 0 8 1
dma64 64 6 0 6 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
uaddrrnd 24 292 0 279 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 292 0 279 1 0 1 1 0 8 0
vmmpekpl 168 6777 0 6760 1 0 1 1 0 8 0
vmmpepl 168 35111 0 34174 46 0 46 46 0 357 5
vmsppl 352 291 0 279 2 0 2 2 0 8 0
rwobjpl 24 19927 0 17856 14 0 14 14 0 8 1
pdppl 4096 590 0 558 48 14 34 40 0 8 2
pvpl 32 306152 0 301874 52 0 52 52 0 265 15
pmappl 216 291 0 279 1 0 1 1 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 290 0 38 8 0 8 8 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
sys_semop(ffff80002a5c7a98,ffff80002a65b330,ffff80002a65b280) at sys_semop+0x2f7 sys/kern/sysv_sem.c:615
No such command
ddb> trace
syscall(ffff80002a65b330) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfb14b5fde40, count: -3
end of kernel
ddb> machine ddbcpu 1
No such command
ddb> trace
sys_semop(ffff80002a5c7a98,ffff80002a65b330,ffff80002a65b280) at sys_semop+0x2f7 sys/kern/sysv_sem.c:615
No such command
ddb> trace
syscall(ffff80002a65b330) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfb14b5fde40, count: -3
end of kernel
ddb>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
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