panic: solock: lock not held
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syzbot
Sep 4, 2022, 1:13:29 AM9/4/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: c3a3d6092d41 Move PRU_PEERADDR request to (*pru_peeraddr)().
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1151b227080000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=fc6901d63d858d5dd00a
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+fc6901...@syzkaller.appspotmail.com
panic: solock: lock not held
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*312298 34882 0 0 0x4000000 0 syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd8070569730) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
somove(fffffd806d170b78,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806d170b78,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806d170b78,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806d170b78,ffff,1023,fffffd8070358300) at sosetopt+0x7ec
sys_setsockopt(ffff800026615cf0,ffff80002b4f1d98,ffff80002b4f1df0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002b4f1e60) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x354610577b0, count: 6
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: solock: lock not held
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd8070569730) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
somove(fffffd806d170b78,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806d170b78,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806d170b78,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806d170b78,ffff,1023,fffffd8070358300) at sosetopt+0x7ec
sys_setsockopt(ffff800026615cf0,ffff80002b4f1d98,ffff80002b4f1df0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002b4f1e60) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x354610577b0, count: -9
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80002b4f1ac0
rbx 0xfffffd8073a96c78
rdx 0xffff800000bedf80
rcx 0
rax 0xffff800026615cf0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xb618a9006d5221ec
r11 0x9d58eeb853808a5d
r12 0
r13 0xfffffd8070569728
r14 0
r15 0x1
rip 0xffffffff8101e5c8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002b4f1ab0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=312298 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=82, nice=20
forw=0xffffffffffffffff, list=0xffff800026615a50,0xffff8000217afa58
process=0xffff80002170b798 user=0xffff80002b4ec000, vmspace=0xfffffd806c615010
estcpu=32, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
99205 411189 0 0 2 0x14200 sosplice
53572 103851 70522 0 2 0 syz-executor.3
53572 342527 70522 0 2 0x4000000 syz-executor.3
48682 444524 68201 0 2 0 syz-executor.7
48682 66450 68201 0 3 0x4000080 fsleep syz-executor.7
6315 415351 84872 0 3 0x80 nanoslp syz-executor.5
6315 394307 84872 0 3 0x4000080 lockf syz-executor.5
6315 319617 84872 0 3 0x4000080 fsleep syz-executor.5
34882 367193 14963 0 2 0 syz-executor.0
*34882 312298 14963 0 7 0x4000000 syz-executor.0
68304 289716 70224 -1 3 0x90 nanoslp syz-executor.4
68304 374898 70224 -1 3 0x4000090 fsleep syz-executor.4
40109 66573 2390 0 3 0x80 nanoslp syz-executor.1
40109 309505 2390 0 3 0x4000080 ttyout syz-executor.1
40109 263256 2390 0 3 0x4000080 kqpoll syz-executor.1
40109 174588 2390 0 3 0x4000080 fsleep syz-executor.1
84872 274167 60113 0 3 0x82 nanoslp syz-executor.5
70224 472946 60113 0 3 0x82 nanoslp syz-executor.4
70522 434684 60113 0 3 0x82 nanoslp syz-executor.3
68146 25067 1 0 3 0x100083 ttyin getty
2390 433856 60113 0 3 0x82 nanoslp syz-executor.1
14963 120242 60113 0 3 0x82 nanoslp syz-executor.0
67473 178036 60113 0 2 0x2 syz-executor.6
68201 10237 60113 0 3 0x82 nanoslp syz-executor.7
41624 438257 60113 0 2 0x2 syz-executor.2
60113 22154 68333 0 3 0x82 wait syz-fuzzer
60113 400960 68333 0 3 0x4000082 nanoslp syz-fuzzer
60113 486351 68333 0 3 0x4000082 thrsleep syz-fuzzer
60113 463659 68333 0 3 0x4000082 wait syz-fuzzer
60113 215573 68333 0 3 0x4000082 wait syz-fuzzer
60113 445599 68333 0 3 0x4000082 thrsleep syz-fuzzer
60113 394417 68333 0 3 0x4000082 kqread syz-fuzzer
60113 336082 68333 0 3 0x4000082 thrsleep syz-fuzzer
60113 198869 68333 0 3 0x4000082 wait syz-fuzzer
60113 466758 68333 0 3 0x4000082 wait syz-fuzzer
60113 222765 68333 0 3 0x4000082 thrsleep syz-fuzzer
60113 20513 68333 0 3 0x4000082 wait syz-fuzzer
60113 228510 68333 0 3 0x4000082 wait syz-fuzzer
60113 412986 68333 0 3 0x4000082 wait syz-fuzzer
68333 274385 84102 0 3 0x10008a sigsusp ksh
84102 518048 86532 0 3 0x9a kqread sshd
86532 236678 1 0 3 0x88 kqread sshd
53216 361559 27219 73 3 0x1100090 kqread syslogd
27219 319187 1 0 3 0x100082 netio syslogd
12726 353661 1 0 3 0x100080 kqread resolvd
65099 437668 81882 77 3 0x100092 kqread dhcpleased
17015 496728 81882 77 3 0x100092 kqread dhcpleased
81882 221682 1 0 3 0x80 kqread dhcpleased
46113 64271 0 0 3 0x14200 bored smr
39888 187422 0 0 2 0x14200 zerothread
17373 286191 0 0 3 0x14200 aiodoned aiodoned
21326 311134 0 0 3 0x14200 syncer update
70904 332587 0 0 3 0x14200 cleaner cleaner
98604 449837 0 0 3 0x14200 reaper reaper
35183 520909 0 0 3 0x14200 pgdaemon pagedaemon
59680 378371 0 0 3 0x14200 bored viomb
50982 490310 0 0 3 0x40014200 acpi0 acpi0
58157 446507 0 0 3 0x14200 bored softnet
51375 294695 0 0 3 0x14200 bored softnet
49474 479933 0 0 3 0x14200 bored softnet
40128 65292 0 0 3 0x14200 bored softnet
50814 250217 0 0 3 0x14200 bored systqmp
3379 164952 0 0 3 0x14200 bored systq
45416 174959 0 0 3 0x40014200 bored softclock
99515 56870 0 0 3 0x40014200 idle0
1 101785 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 10169 6397K 6759K 78643K 12771 0
pcb 13 12K 14K 78643K 240 0
rtable 157 8K 13K 78643K 840 0
ifaddr 68 15K 19K 78643K 587 0
sysctl 1 1K 1K 78643K 1 0
counters 24 17K 17K 78643K 58 0
ioctlops 0 0K 4K 78643K 1264 0
iov 0 0K 12K 78643K 99 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1369 86K 86K 78643K 2014 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 17 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 200 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 16 57K 73K 78643K 1361 0
sigio 0 0K 0K 78643K 35 0
proc 61 67K 75K 78643K 738 0
subproc 104 6K 6K 78643K 208 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 29 0
in_multi 63 4K 6K 78643K 207 0
ether_multi 2 0K 0K 78643K 3 0
mrt 1 0K 0K 78643K 25 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 67 307K 307K 78643K 67 0
exec 0 0K 2K 78643K 909 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 8 62K 64K 78643K 10 0
UVM amap 265 129K 129K 78643K 8609 0
UVM aobj 34 2K 2K 78643K 43 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 33 0
NDP 9 0K 1K 78643K 74 0
temp 115 4717K 5742K 78643K 27165 0
kqueue 13 20K 24K 78643K 136 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 194 0 191 4 3 1 3 0 8 0
rtentry 112 223 0 157 4 0 4 4 0 8 0
unpcb 144 876 0 861 8 7 1 6 0 8 0
syncache 296 16 0 16 3 3 0 1 0 8 0
tcpqe 32 150 0 150 1 1 0 1 0 8 0
tcpcb 768 504 0 499 21 19 2 15 0 8 1
arp 88 35 0 23 1 0 1 1 0 8 0
ipq 40 1 0 0 1 0 1 1 0 8 0
ipqe 40 3 0 2 1 0 1 1 0 8 0
inpcb 336 1248 0 1239 12 10 2 12 0 8 1
nd6 48 50 0 35 1 0 1 1 0 8 0
pkpcb 40 4 0 4 1 1 0 1 0 8 0
kcovpl 48 16 0 8 1 0 1 1 0 8 0
ppxss 1160 23 0 23 2 2 0 1 0 8 0
pfstscr 40 3 0 0 1 0 1 1 0 8 0
pfosfp 40 2 0 1 1 0 1 1 0 8 0
pfosfpen 112 2 0 1 1 0 1 1 0 8 0
pfrktable 1344 62 0 60 1 0 1 1 0 8 0
pfanchor 1280 271 0 144 14 1 13 14 0 8 0
pftag 88 18 0 12 1 0 1 1 0 8 0
pfqueue 264 1 0 1 1 0 1 1 0 8 1
pfstitem 24 6 0 0 1 0 1 1 0 8 0
pfstkey 120 6 0 4 1 0 1 1 0 8 0
pfstate 336 3 0 0 1 0 1 1 0 8 0
pfrule 1360 1029 0 1022 13 12 1 13 0 8 0
rttmr 136 9 0 9 2 2 0 1 0 8 0
art_heap8 4096 3 0 2 3 2 1 2 0 8 0
art_heap4 256 950 0 661 29 9 20 29 0 8 0
art_table 32 953 0 663 4 0 4 4 0 8 0
art_node 16 222 0 165 1 0 1 1 0 8 0
sysvmsgpl 40 19 0 16 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 198 0 188 1 0 1 1 0 8 0
shmpl 112 40 0 9 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 3083 0 1650 90 0 90 90 0 8 0
ffsino 240 3083 0 1650 85 0 85 85 0 8 0
nchpl 144 4940 0 3306 63 0 63 63 0 8 0
uvmvnodes 80 3720 0 0 76 0 76 76 0 8 0
vnodes 216 3720 0 0 207 0 207 207 0 8 0
namei 1024 19084 0 19082 2 1 1 2 0 8 0
vcpupl 2048 8 0 0 1 0 1 1 0 8 0
vmpool 536 8 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 18 0 18 2 2 0 1 0 8 0
kstatmem 264 80 0 62 2 0 2 2 0 8 0
scxspl 216 14310 0 14310 9 8 1 8 0 8 1
plimitpl 152 305 0 290 1 0 1 1 0 8 0
sigapl 424 1636 0 1592 6 0 6 6 0 8 0
futexpl 64 12652 0 12648 1 0 1 1 0 8 0
knotepl 120 18639 0 18426 13 6 7 7 0 8 0
kqueuepl 184 748 0 737 7 6 1 7 0 8 0
pipepl 288 335 0 307 9 6 3 5 0 8 0
fdescpl 432 1619 0 1592 4 0 4 4 0 8 0
filepl 120 11108 0 10862 15 5 10 14 0 8 2
lockfpl 104 690 0 686 2 1 1 2 0 8 0
lockfspl 48 163 0 160 1 0 1 1 0 8 0
sessionpl 144 33 0 17 1 0 1 1 0 8 0
pgrppl 48 33 0 17 1 0 1 1 0 8 0
ucredpl 104 1166 0 1155 1 0 1 1 0 8 0
zombiepl 144 1592 0 1592 1 0 1 1 0 8 1
processpl 1000 1636 0 1592 7 1 6 6 0 8 0
procpl 672 3554 0 3488 9 2 7 9 0 8 1
sosppl 168 2 0 0 1 0 1 1 0 8 0
sockpl 456 2323 0 2296 34 28 6 20 0 8 2
mcl64k 65536 43 0 43 1 0 1 1 0 8 1
mcl16k 16384 20 0 20 2 1 1 1 0 8 1
mcl12k 12288 73 0 73 1 0 1 1 0 8 1
mcl9k 9216 14 0 14 2 1 1 1 0 8 1
mcl8k 8192 66 0 66 2 1 1 1 0 8 1
mcl4k 4096 128 0 128 1 0 1 1 0 8 1
mcl2k2 2112 14 0 14 1 0 1 1 0 8 1
mcl2k 2048 68985 0 68916 16 6 10 14 0 8 0
mtagpl 96 67 0 43 2 1 1 1 0 8 0
mbufpl 256 117902 0 117681 34 16 18 28 0 8 1
bufpl 288 5614 0 129 392 0 392 392 0 8 0
anonpl 24 277385 0 261485 104 4 100 102 0 188 0
amapchunkpl 152 23096 0 22412 29 1 28 28 0 158 0
amappl16 200 3441 0 2873 35 4 31 33 0 8 0
amappl15 192 121 0 115 1 0 1 1 0 8 0
amappl14 184 194 0 191 1 0 1 1 0 8 0
amappl13 176 329 0 326 1 0 1 1 0 8 0
amappl12 168 33 0 24 1 0 1 1 0 8 0
amappl11 160 340 0 320 1 0 1 1 0 8 0
amappl10 152 145 0 140 1 0 1 1 0 8 0
amappl9 144 866 0 862 1 0 1 1 0 8 0
amappl8 136 690 0 635 2 0 2 2 0 8 0
amappl7 128 149 0 131 1 0 1 1 0 8 0
amappl6 120 611 0 597 2 1 1 2 0 8 0
amappl5 112 1021 0 1007 1 0 1 1 0 8 0
amappl4 104 1469 0 1437 2 1 1 2 0 8 0
amappl3 96 4104 0 4049 2 0 2 2 0 8 0
amappl2 88 738 0 699 2 1 1 2 0 8 0
amappl1 80 41411 0 40747 19 4 15 19 0 8 0
amappl 88 7998 0 7836 4 0 4 4 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 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 72 42 0 9 1 0 1 1 0 8 0
uaddrrnd 24 1627 0 1592 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1627 0 1592 1 0 1 1 0 8 0
vmmpekpl 168 16891 0 16844 3 0 3 3 0 8 0
vmmpepl 168 163002 0 160441 140 19 121 135 0 357 1
vmsppl 272 1626 0 1592 4 1 3 3 0 8 0
rwobjpl 24 42554 0 37237 33 0 33 33 0 8 0
pdppl 4096 3260 0 3192 158 86 72 72 0 8 4
pvpl 32 661738 0 641944 239 44 195 239 0 265 28
pmappl 216 1626 0 1592 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 861 0 153 21 0 21 21 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd8070569730) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
somove(fffffd806d170b78,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806d170b78,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806d170b78,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806d170b78,ffff,1023,fffffd8070358300) at sosetopt+0x7ec
sys_setsockopt(ffff800026615cf0,ffff80002b4f1d98,ffff80002b4f1df0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002b4f1e60) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x354610577b0, count: -9
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd8070569730) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
somove(fffffd806d170b78,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806d170b78,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806d170b78,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806d170b78,ffff,1023,fffffd8070358300) at sosetopt+0x7ec
sys_setsockopt(ffff800026615cf0,ffff80002b4f1d98,ffff80002b4f1df0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002b4f1e60) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x354610577b0, count: -9
---
This report 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 issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: c3a3d6092d41 Move PRU_PEERADDR request to (*pru_peeraddr)().
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1151b227080000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=fc6901d63d858d5dd00a
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+fc6901...@syzkaller.appspotmail.com
panic: solock: lock not held
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*312298 34882 0 0 0x4000000 0 syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd8070569730) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
somove(fffffd806d170b78,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806d170b78,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806d170b78,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806d170b78,ffff,1023,fffffd8070358300) at sosetopt+0x7ec
sys_setsockopt(ffff800026615cf0,ffff80002b4f1d98,ffff80002b4f1df0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002b4f1e60) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x354610577b0, count: 6
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: solock: lock not held
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd8070569730) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
somove(fffffd806d170b78,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806d170b78,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806d170b78,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806d170b78,ffff,1023,fffffd8070358300) at sosetopt+0x7ec
sys_setsockopt(ffff800026615cf0,ffff80002b4f1d98,ffff80002b4f1df0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002b4f1e60) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x354610577b0, count: -9
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80002b4f1ac0
rbx 0xfffffd8073a96c78
rdx 0xffff800000bedf80
rcx 0
rax 0xffff800026615cf0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xb618a9006d5221ec
r11 0x9d58eeb853808a5d
r12 0
r13 0xfffffd8070569728
r14 0
r15 0x1
rip 0xffffffff8101e5c8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002b4f1ab0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.0) pid=312298 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=82, nice=20
forw=0xffffffffffffffff, list=0xffff800026615a50,0xffff8000217afa58
process=0xffff80002170b798 user=0xffff80002b4ec000, vmspace=0xfffffd806c615010
estcpu=32, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
99205 411189 0 0 2 0x14200 sosplice
53572 103851 70522 0 2 0 syz-executor.3
53572 342527 70522 0 2 0x4000000 syz-executor.3
48682 444524 68201 0 2 0 syz-executor.7
48682 66450 68201 0 3 0x4000080 fsleep syz-executor.7
6315 415351 84872 0 3 0x80 nanoslp syz-executor.5
6315 394307 84872 0 3 0x4000080 lockf syz-executor.5
6315 319617 84872 0 3 0x4000080 fsleep syz-executor.5
34882 367193 14963 0 2 0 syz-executor.0
*34882 312298 14963 0 7 0x4000000 syz-executor.0
68304 289716 70224 -1 3 0x90 nanoslp syz-executor.4
68304 374898 70224 -1 3 0x4000090 fsleep syz-executor.4
40109 66573 2390 0 3 0x80 nanoslp syz-executor.1
40109 309505 2390 0 3 0x4000080 ttyout syz-executor.1
40109 263256 2390 0 3 0x4000080 kqpoll syz-executor.1
40109 174588 2390 0 3 0x4000080 fsleep syz-executor.1
84872 274167 60113 0 3 0x82 nanoslp syz-executor.5
70224 472946 60113 0 3 0x82 nanoslp syz-executor.4
70522 434684 60113 0 3 0x82 nanoslp syz-executor.3
68146 25067 1 0 3 0x100083 ttyin getty
2390 433856 60113 0 3 0x82 nanoslp syz-executor.1
14963 120242 60113 0 3 0x82 nanoslp syz-executor.0
67473 178036 60113 0 2 0x2 syz-executor.6
68201 10237 60113 0 3 0x82 nanoslp syz-executor.7
41624 438257 60113 0 2 0x2 syz-executor.2
60113 22154 68333 0 3 0x82 wait syz-fuzzer
60113 400960 68333 0 3 0x4000082 nanoslp syz-fuzzer
60113 486351 68333 0 3 0x4000082 thrsleep syz-fuzzer
60113 463659 68333 0 3 0x4000082 wait syz-fuzzer
60113 215573 68333 0 3 0x4000082 wait syz-fuzzer
60113 445599 68333 0 3 0x4000082 thrsleep syz-fuzzer
60113 394417 68333 0 3 0x4000082 kqread syz-fuzzer
60113 336082 68333 0 3 0x4000082 thrsleep syz-fuzzer
60113 198869 68333 0 3 0x4000082 wait syz-fuzzer
60113 466758 68333 0 3 0x4000082 wait syz-fuzzer
60113 222765 68333 0 3 0x4000082 thrsleep syz-fuzzer
60113 20513 68333 0 3 0x4000082 wait syz-fuzzer
60113 228510 68333 0 3 0x4000082 wait syz-fuzzer
60113 412986 68333 0 3 0x4000082 wait syz-fuzzer
68333 274385 84102 0 3 0x10008a sigsusp ksh
84102 518048 86532 0 3 0x9a kqread sshd
86532 236678 1 0 3 0x88 kqread sshd
53216 361559 27219 73 3 0x1100090 kqread syslogd
27219 319187 1 0 3 0x100082 netio syslogd
12726 353661 1 0 3 0x100080 kqread resolvd
65099 437668 81882 77 3 0x100092 kqread dhcpleased
17015 496728 81882 77 3 0x100092 kqread dhcpleased
81882 221682 1 0 3 0x80 kqread dhcpleased
46113 64271 0 0 3 0x14200 bored smr
39888 187422 0 0 2 0x14200 zerothread
17373 286191 0 0 3 0x14200 aiodoned aiodoned
21326 311134 0 0 3 0x14200 syncer update
70904 332587 0 0 3 0x14200 cleaner cleaner
98604 449837 0 0 3 0x14200 reaper reaper
35183 520909 0 0 3 0x14200 pgdaemon pagedaemon
59680 378371 0 0 3 0x14200 bored viomb
50982 490310 0 0 3 0x40014200 acpi0 acpi0
58157 446507 0 0 3 0x14200 bored softnet
51375 294695 0 0 3 0x14200 bored softnet
49474 479933 0 0 3 0x14200 bored softnet
40128 65292 0 0 3 0x14200 bored softnet
50814 250217 0 0 3 0x14200 bored systqmp
3379 164952 0 0 3 0x14200 bored systq
45416 174959 0 0 3 0x40014200 bored softclock
99515 56870 0 0 3 0x40014200 idle0
1 101785 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 10169 6397K 6759K 78643K 12771 0
pcb 13 12K 14K 78643K 240 0
rtable 157 8K 13K 78643K 840 0
ifaddr 68 15K 19K 78643K 587 0
sysctl 1 1K 1K 78643K 1 0
counters 24 17K 17K 78643K 58 0
ioctlops 0 0K 4K 78643K 1264 0
iov 0 0K 12K 78643K 99 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1369 86K 86K 78643K 2014 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 17 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 0K 78643K 200 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 16 57K 73K 78643K 1361 0
sigio 0 0K 0K 78643K 35 0
proc 61 67K 75K 78643K 738 0
subproc 104 6K 6K 78643K 208 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 29 0
in_multi 63 4K 6K 78643K 207 0
ether_multi 2 0K 0K 78643K 3 0
mrt 1 0K 0K 78643K 25 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 67 307K 307K 78643K 67 0
exec 0 0K 2K 78643K 909 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 8 62K 64K 78643K 10 0
UVM amap 265 129K 129K 78643K 8609 0
UVM aobj 34 2K 2K 78643K 43 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 33 0
NDP 9 0K 1K 78643K 74 0
temp 115 4717K 5742K 78643K 27165 0
kqueue 13 20K 24K 78643K 136 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 194 0 191 4 3 1 3 0 8 0
rtentry 112 223 0 157 4 0 4 4 0 8 0
unpcb 144 876 0 861 8 7 1 6 0 8 0
syncache 296 16 0 16 3 3 0 1 0 8 0
tcpqe 32 150 0 150 1 1 0 1 0 8 0
tcpcb 768 504 0 499 21 19 2 15 0 8 1
arp 88 35 0 23 1 0 1 1 0 8 0
ipq 40 1 0 0 1 0 1 1 0 8 0
ipqe 40 3 0 2 1 0 1 1 0 8 0
inpcb 336 1248 0 1239 12 10 2 12 0 8 1
nd6 48 50 0 35 1 0 1 1 0 8 0
pkpcb 40 4 0 4 1 1 0 1 0 8 0
kcovpl 48 16 0 8 1 0 1 1 0 8 0
ppxss 1160 23 0 23 2 2 0 1 0 8 0
pfstscr 40 3 0 0 1 0 1 1 0 8 0
pfosfp 40 2 0 1 1 0 1 1 0 8 0
pfosfpen 112 2 0 1 1 0 1 1 0 8 0
pfrktable 1344 62 0 60 1 0 1 1 0 8 0
pfanchor 1280 271 0 144 14 1 13 14 0 8 0
pftag 88 18 0 12 1 0 1 1 0 8 0
pfqueue 264 1 0 1 1 0 1 1 0 8 1
pfstitem 24 6 0 0 1 0 1 1 0 8 0
pfstkey 120 6 0 4 1 0 1 1 0 8 0
pfstate 336 3 0 0 1 0 1 1 0 8 0
pfrule 1360 1029 0 1022 13 12 1 13 0 8 0
rttmr 136 9 0 9 2 2 0 1 0 8 0
art_heap8 4096 3 0 2 3 2 1 2 0 8 0
art_heap4 256 950 0 661 29 9 20 29 0 8 0
art_table 32 953 0 663 4 0 4 4 0 8 0
art_node 16 222 0 165 1 0 1 1 0 8 0
sysvmsgpl 40 19 0 16 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 198 0 188 1 0 1 1 0 8 0
shmpl 112 40 0 9 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 3083 0 1650 90 0 90 90 0 8 0
ffsino 240 3083 0 1650 85 0 85 85 0 8 0
nchpl 144 4940 0 3306 63 0 63 63 0 8 0
uvmvnodes 80 3720 0 0 76 0 76 76 0 8 0
vnodes 216 3720 0 0 207 0 207 207 0 8 0
namei 1024 19084 0 19082 2 1 1 2 0 8 0
vcpupl 2048 8 0 0 1 0 1 1 0 8 0
vmpool 536 8 0 0 1 0 1 1 0 8 0
pfiaddrpl 120 18 0 18 2 2 0 1 0 8 0
kstatmem 264 80 0 62 2 0 2 2 0 8 0
scxspl 216 14310 0 14310 9 8 1 8 0 8 1
plimitpl 152 305 0 290 1 0 1 1 0 8 0
sigapl 424 1636 0 1592 6 0 6 6 0 8 0
futexpl 64 12652 0 12648 1 0 1 1 0 8 0
knotepl 120 18639 0 18426 13 6 7 7 0 8 0
kqueuepl 184 748 0 737 7 6 1 7 0 8 0
pipepl 288 335 0 307 9 6 3 5 0 8 0
fdescpl 432 1619 0 1592 4 0 4 4 0 8 0
filepl 120 11108 0 10862 15 5 10 14 0 8 2
lockfpl 104 690 0 686 2 1 1 2 0 8 0
lockfspl 48 163 0 160 1 0 1 1 0 8 0
sessionpl 144 33 0 17 1 0 1 1 0 8 0
pgrppl 48 33 0 17 1 0 1 1 0 8 0
ucredpl 104 1166 0 1155 1 0 1 1 0 8 0
zombiepl 144 1592 0 1592 1 0 1 1 0 8 1
processpl 1000 1636 0 1592 7 1 6 6 0 8 0
procpl 672 3554 0 3488 9 2 7 9 0 8 1
sosppl 168 2 0 0 1 0 1 1 0 8 0
sockpl 456 2323 0 2296 34 28 6 20 0 8 2
mcl64k 65536 43 0 43 1 0 1 1 0 8 1
mcl16k 16384 20 0 20 2 1 1 1 0 8 1
mcl12k 12288 73 0 73 1 0 1 1 0 8 1
mcl9k 9216 14 0 14 2 1 1 1 0 8 1
mcl8k 8192 66 0 66 2 1 1 1 0 8 1
mcl4k 4096 128 0 128 1 0 1 1 0 8 1
mcl2k2 2112 14 0 14 1 0 1 1 0 8 1
mcl2k 2048 68985 0 68916 16 6 10 14 0 8 0
mtagpl 96 67 0 43 2 1 1 1 0 8 0
mbufpl 256 117902 0 117681 34 16 18 28 0 8 1
bufpl 288 5614 0 129 392 0 392 392 0 8 0
anonpl 24 277385 0 261485 104 4 100 102 0 188 0
amapchunkpl 152 23096 0 22412 29 1 28 28 0 158 0
amappl16 200 3441 0 2873 35 4 31 33 0 8 0
amappl15 192 121 0 115 1 0 1 1 0 8 0
amappl14 184 194 0 191 1 0 1 1 0 8 0
amappl13 176 329 0 326 1 0 1 1 0 8 0
amappl12 168 33 0 24 1 0 1 1 0 8 0
amappl11 160 340 0 320 1 0 1 1 0 8 0
amappl10 152 145 0 140 1 0 1 1 0 8 0
amappl9 144 866 0 862 1 0 1 1 0 8 0
amappl8 136 690 0 635 2 0 2 2 0 8 0
amappl7 128 149 0 131 1 0 1 1 0 8 0
amappl6 120 611 0 597 2 1 1 2 0 8 0
amappl5 112 1021 0 1007 1 0 1 1 0 8 0
amappl4 104 1469 0 1437 2 1 1 2 0 8 0
amappl3 96 4104 0 4049 2 0 2 2 0 8 0
amappl2 88 738 0 699 2 1 1 2 0 8 0
amappl1 80 41411 0 40747 19 4 15 19 0 8 0
amappl 88 7998 0 7836 4 0 4 4 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 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 72 42 0 9 1 0 1 1 0 8 0
uaddrrnd 24 1627 0 1592 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1627 0 1592 1 0 1 1 0 8 0
vmmpekpl 168 16891 0 16844 3 0 3 3 0 8 0
vmmpepl 168 163002 0 160441 140 19 121 135 0 357 1
vmsppl 272 1626 0 1592 4 1 3 3 0 8 0
rwobjpl 24 42554 0 37237 33 0 33 33 0 8 0
pdppl 4096 3260 0 3192 158 86 72 72 0 8 4
pvpl 32 661738 0 641944 239 44 195 239 0 265 28
pmappl 216 1626 0 1592 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 861 0 153 21 0 21 21 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd8070569730) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
somove(fffffd806d170b78,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806d170b78,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806d170b78,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806d170b78,ffff,1023,fffffd8070358300) at sosetopt+0x7ec
sys_setsockopt(ffff800026615cf0,ffff80002b4f1d98,ffff80002b4f1df0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002b4f1e60) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x354610577b0, count: -9
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd8070569730) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
somove(fffffd806d170b78,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806d170b78,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806d170b78,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806d170b78,ffff,1023,fffffd8070358300) at sosetopt+0x7ec
sys_setsockopt(ffff800026615cf0,ffff80002b4f1d98,ffff80002b4f1df0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002b4f1e60) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x354610577b0, count: -9
---
This report 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 issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
Sep 4, 2022, 1:32:26 AM9/4/22
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: c3a3d6092d41 Move PRU_PEERADDR request to (*pru_peeraddr)().
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1287868b080000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14fd3417080000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+fc6901...@syzkaller.appspotmail.com
panic: solock: lock not held
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*271955 13457 0 0x2 0 0 syz-executor2927269727
somove(fffffd806ceddc90,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806ceddc90,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806ceddc90,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806ceddc90,ffff,1023,fffffd8075748f00) at sosetopt+0x7ec
sys_setsockopt(ffff8000ffff8d28,ffff80002174b348,ffff80002174b3a0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002174b410) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
somove(fffffd806ceddc90,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806ceddc90,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806ceddc90,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806ceddc90,ffff,1023,fffffd8075748f00) at sosetopt+0x7ec
sys_setsockopt(ffff8000ffff8d28,ffff80002174b348,ffff80002174b3a0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002174b410) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
rbx 0xfffffd806db27e70
rdx 0x3fd
rcx 0
rax 0x1d
r8 0x101010101010101
r9 0x8080808080808080
r10 0x425b64e9ab0ef53b
r11 0x2fe59630fd07f3c0
r12 0
r13 0xfffffd806e6e9730
flags process=2<EXEC> proc=0
pri=53, usrpri=53, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff9268,0xffff8000ffff87f8
process=0xffff8000ffff67e0 user=0xffff800021746000, vmspace=0xfffffd807f015550
estcpu=3, cpticks=0, pctcpu=0.0
*13457 271955 72723 0 7 0x2 syz-executor2927269727
72723 141816 67221 0 3 0x10008a sigsusp ksh
67221 269554 94986 0 3 0x9a kqread sshd
54694 211501 1 0 3 0x100083 ttyin getty
94986 373470 1 0 3 0x88 kqread sshd
58889 334135 37532 73 3 0x1100090 kqread syslogd
37532 191770 1 0 3 0x100082 netio syslogd
5947 204274 1 0 3 0x100080 kqread resolvd
2551 364905 29348 77 3 0x100092 kqread dhcpleased
6086 437420 29348 77 3 0x100092 kqread dhcpleased
29348 293629 1 0 3 0x80 kqread dhcpleased
25149 212412 0 0 3 0x14200 bored smr
5209 151513 0 0 2 0x14200 zerothread
40870 223450 0 0 3 0x14200 aiodoned aiodoned
61676 407395 0 0 3 0x14200 syncer update
44274 492729 0 0 3 0x14200 cleaner cleaner
63355 240026 0 0 3 0x14200 reaper reaper
649 414813 0 0 3 0x14200 pgdaemon pagedaemon
32650 455360 0 0 3 0x14200 bored viomb
32181 505583 0 0 3 0x40014200 acpi0 acpi0
77529 495739 0 0 3 0x14200 bored softnet
17943 339211 0 0 3 0x14200 bored softnet
54514 219560 0 0 3 0x14200 bored softnet
57844 150961 0 0 3 0x14200 bored softnet
28068 484160 0 0 3 0x14200 bored systqmp
77188 513171 0 0 3 0x14200 bored systq
24482 85774 0 0 3 0x40014200 bored softclock
82156 246005 0 0 3 0x40014200 idle0
1 86364 0 0 3 0x82 wait init
pcb 13 8K 8K 78643K 13 0
rtable 58 1K 2K 78643K 111 0
ifaddr 25 7K 7K 78643K 25 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 25 0
proc 55 58K 59K 78643K 226 0
ether_multi 1 0K 0K 78643K 1 0
exec 0 0K 2K 78643K 410 0
UVM aobj 3 2K 2K 78643K 3 0
temp 18 4705K 4769K 78643K 2343 0
kqueue 11 16K 18K 78643K 24 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 144 35 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 1 1 1 0 8 1
tcpcb 768 9 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 336 26 0 19 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
ffsino 240 1415 0 38 81 0 81 81 0 8 0
nchpl 144 1600 0 46 58 0 58 58 0 8 0
uvmvnodes 80 1424 0 0 30 0 30 30 0 8 0
vnodes 216 1424 0 0 80 0 80 80 0 8 0
namei 1024 4155 0 4155 2 1 1 1 0 8 1
kstatmem 264 6 0 0 1 0 1 1 0 8 0
scxspl 216 3661 0 3661 2 1 1 2 0 8 1
plimitpl 152 15 0 9 1 0 1 1 0 8 0
sigapl 424 306 0 276 4 0 4 4 0 8 0
knotepl 120 5703 0 5674 3 1 2 2 0 8 1
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 288 83 0 80 2 1 1 1 0 8 0
fdescpl 432 289 0 276 2 0 2 2 0 8 0
filepl 120 1070 0 1014 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 64 0 54 1 0 1 1 0 8 0
zombiepl 144 276 0 276 2 1 1 1 0 8 1
processpl 1000 306 0 276 5 1 4 5 0 8 0
procpl 672 306 0 276 3 0 3 3 0 8 0
mcl8k 8192 9 0 9 2 1 1 1 0 8 1
mcl4k 4096 5 0 5 2 1 1 1 0 8 1
mcl2k 2048 5477 0 5439 8 1 7 7 0 8 1
mtagpl 96 4 0 4 1 1 0 1 0 8 0
mbufpl 256 10050 0 9966 7 0 7 7 0 8 1
bufpl 288 1905 0 77 131 0 131 131 0 8 0
anonpl 24 36220 0 34444 15 3 12 13 0 188 1
amapchunkpl 152 2672 0 2584 5 1 4 5 0 158 0
amappl16 200 27 0 26 2 1 1 1 0 8 0
amappl15 192 63 0 59 1 0 1 1 0 8 0
amappl13 176 32 0 31 2 1 1 1 0 8 0
amappl12 168 3 0 3 2 1 1 1 0 8 1
amappl11 160 60 0 47 1 0 1 1 0 8 0
amappl9 144 469 0 467 1 0 1 1 0 8 0
amappl8 136 350 0 349 2 1 1 1 0 8 0
amappl7 128 62 0 55 1 0 1 1 0 8 0
amappl6 120 82 0 76 1 0 1 1 0 8 0
amappl5 112 85 0 76 1 0 1 1 0 8 0
amappl4 104 587 0 567 1 0 1 1 0 8 0
amappl3 96 426 0 403 1 0 1 1 0 8 0
amappl2 88 301 0 274 1 0 1 1 0 8 0
amappl1 80 9059 0 8676 11 2 9 9 0 8 0
amappl 88 1045 0 1009 1 0 1 1 0 92 0
uaddrrnd 24 289 0 276 1 0 1 1 0 8 0
vmmpekpl 168 5992 0 5978 1 0 1 1 0 8 0
vmmpepl 168 25757 0 24976 41 3 38 39 0 357 3
vmsppl 272 288 0 276 2 1 1 2 0 8 0
rwobjpl 24 9281 0 7333 13 0 13 13 0 8 0
pdppl 4096 584 0 552 55 23 32 40 0 8 0
pvpl 32 120098 0 116477 36 3 33 33 0 265 3
pmappl 216 288 0 276 1 0 1 1 0 8 0
somove(fffffd806ceddc90,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806ceddc90,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806ceddc90,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806ceddc90,ffff,1023,fffffd8075748f00) at sosetopt+0x7ec
sys_setsockopt(ffff8000ffff8d28,ffff80002174b348,ffff80002174b3a0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002174b410) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
somove(fffffd806ceddc90,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806ceddc90,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806ceddc90,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806ceddc90,ffff,1023,fffffd8075748f00) at sosetopt+0x7ec
sys_setsockopt(ffff8000ffff8d28,ffff80002174b348,ffff80002174b3a0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002174b410) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
ddb>
HEAD commit: c3a3d6092d41 Move PRU_PEERADDR request to (*pru_peeraddr)().
git tree: openbsd
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=fc6901d63d858d5dd00a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14265393080000
dashboard link: https://syzkaller.appspot.com/bug?extid=fc6901d63d858d5dd00a
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14fd3417080000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+fc6901...@syzkaller.appspotmail.com
panic: solock: lock not held
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd806e6e9738) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
somove(fffffd806ceddc90,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806ceddc90,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806ceddc90,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806ceddc90,ffff,1023,fffffd8075748f00) at sosetopt+0x7ec
sys_setsockopt(ffff8000ffff8d28,ffff80002174b348,ffff80002174b3a0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002174b410) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe63d0, count: 6
end of kernel
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: solock: lock not held
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd806e6e9738) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
reports. Insufficient info makes it difficult to find and fix bugs.
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: solock: lock not held
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
somove(fffffd806ceddc90,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806ceddc90,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806ceddc90,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806ceddc90,ffff,1023,fffffd8075748f00) at sosetopt+0x7ec
sys_setsockopt(ffff8000ffff8d28,ffff80002174b348,ffff80002174b3a0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002174b410) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe63d0, count: -9
end of kernel
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80002174b070
rdi 0
rsi 0x1
rbx 0xfffffd806db27e70
rdx 0x3fd
rcx 0
rax 0x1d
r8 0x101010101010101
r9 0x8080808080808080
r10 0x425b64e9ab0ef53b
r11 0x2fe59630fd07f3c0
r12 0
r13 0xfffffd806e6e9730
r14 0
r15 0x1
rip 0xffffffff8101e5c8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002174b060
r15 0x1
rip 0xffffffff8101e5c8 db_enter+0x18
cs 0x8
rflags 0x246
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor2927269727) pid=271955 stat=onproc
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
flags process=2<EXEC> proc=0
pri=53, usrpri=53, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff9268,0xffff8000ffff87f8
process=0xffff8000ffff67e0 user=0xffff800021746000, vmspace=0xfffffd807f015550
estcpu=3, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
4655 217207 0 0 2 0x14200 sosplice
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*13457 271955 72723 0 7 0x2 syz-executor2927269727
72723 141816 67221 0 3 0x10008a sigsusp ksh
67221 269554 94986 0 3 0x9a kqread sshd
54694 211501 1 0 3 0x100083 ttyin getty
94986 373470 1 0 3 0x88 kqread sshd
58889 334135 37532 73 3 0x1100090 kqread syslogd
37532 191770 1 0 3 0x100082 netio syslogd
5947 204274 1 0 3 0x100080 kqread resolvd
2551 364905 29348 77 3 0x100092 kqread dhcpleased
6086 437420 29348 77 3 0x100092 kqread dhcpleased
29348 293629 1 0 3 0x80 kqread dhcpleased
25149 212412 0 0 3 0x14200 bored smr
5209 151513 0 0 2 0x14200 zerothread
40870 223450 0 0 3 0x14200 aiodoned aiodoned
61676 407395 0 0 3 0x14200 syncer update
44274 492729 0 0 3 0x14200 cleaner cleaner
63355 240026 0 0 3 0x14200 reaper reaper
649 414813 0 0 3 0x14200 pgdaemon pagedaemon
32650 455360 0 0 3 0x14200 bored viomb
32181 505583 0 0 3 0x40014200 acpi0 acpi0
77529 495739 0 0 3 0x14200 bored softnet
17943 339211 0 0 3 0x14200 bored softnet
54514 219560 0 0 3 0x14200 bored softnet
57844 150961 0 0 3 0x14200 bored softnet
28068 484160 0 0 3 0x14200 bored systqmp
77188 513171 0 0 3 0x14200 bored systq
24482 85774 0 0 3 0x40014200 bored softclock
82156 246005 0 0 3 0x40014200 idle0
1 86364 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 10144 6382K 6413K 78643K 11234 0
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
pcb 13 8K 8K 78643K 13 0
rtable 58 1K 2K 78643K 111 0
ifaddr 25 7K 7K 78643K 25 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 25 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1166 73K 73K 78643K 1179 0
log 0 0K 0K 78643K 4 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
UFS mount 5 36K 36K 78643K 5 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 1 0K 0K 78643K 1 0
ACPI 1697 195K 286K 78643K 12548 0
proc 55 58K 59K 78643K 226 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 0
NFS daemon 1 16K 16K 78643K 1 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 25 122K 122K 78643K 25 0
MSDOSFS mount 1 16K 16K 78643K 1 0
exec 0 0K 2K 78643K 410 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 8 62K 64K 78643K 10 0
UVM amap 53 3K 5K 78643K 1311 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 8 62K 64K 78643K 10 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 3 0K 0K 78643K 3 0
crypto data 1 1K 1K 78643K 1 0
temp 18 4705K 4769K 78643K 2343 0
kqueue 11 16K 18K 78643K 24 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 21 0 18 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 35 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 1 1 1 0 8 1
tcpcb 768 9 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 336 26 0 19 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
dino2pl 256 1415 0 38 87 0 87 87 0 8 0
ffsino 240 1415 0 38 81 0 81 81 0 8 0
nchpl 144 1600 0 46 58 0 58 58 0 8 0
uvmvnodes 80 1424 0 0 30 0 30 30 0 8 0
vnodes 216 1424 0 0 80 0 80 80 0 8 0
namei 1024 4155 0 4155 2 1 1 1 0 8 1
kstatmem 264 6 0 0 1 0 1 1 0 8 0
scxspl 216 3661 0 3661 2 1 1 2 0 8 1
plimitpl 152 15 0 9 1 0 1 1 0 8 0
sigapl 424 306 0 276 4 0 4 4 0 8 0
knotepl 120 5703 0 5674 3 1 2 2 0 8 1
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 288 83 0 80 2 1 1 1 0 8 0
fdescpl 432 289 0 276 2 0 2 2 0 8 0
filepl 120 1070 0 1014 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 64 0 54 1 0 1 1 0 8 0
zombiepl 144 276 0 276 2 1 1 1 0 8 1
processpl 1000 306 0 276 5 1 4 5 0 8 0
procpl 672 306 0 276 3 0 3 3 0 8 0
sosppl 168 2 0 0 1 0 1 1 0 8 0
sockpl 456 82 0 57 4 0 4 4 0 8 0
mcl8k 8192 9 0 9 2 1 1 1 0 8 1
mcl4k 4096 5 0 5 2 1 1 1 0 8 1
mcl2k 2048 5477 0 5439 8 1 7 7 0 8 1
mtagpl 96 4 0 4 1 1 0 1 0 8 0
mbufpl 256 10050 0 9966 7 0 7 7 0 8 1
bufpl 288 1905 0 77 131 0 131 131 0 8 0
anonpl 24 36220 0 34444 15 3 12 13 0 188 1
amapchunkpl 152 2672 0 2584 5 1 4 5 0 158 0
amappl16 200 27 0 26 2 1 1 1 0 8 0
amappl15 192 63 0 59 1 0 1 1 0 8 0
amappl13 176 32 0 31 2 1 1 1 0 8 0
amappl12 168 3 0 3 2 1 1 1 0 8 1
amappl11 160 60 0 47 1 0 1 1 0 8 0
amappl9 144 469 0 467 1 0 1 1 0 8 0
amappl8 136 350 0 349 2 1 1 1 0 8 0
amappl7 128 62 0 55 1 0 1 1 0 8 0
amappl6 120 82 0 76 1 0 1 1 0 8 0
amappl5 112 85 0 76 1 0 1 1 0 8 0
amappl4 104 587 0 567 1 0 1 1 0 8 0
amappl3 96 426 0 403 1 0 1 1 0 8 0
amappl2 88 301 0 274 1 0 1 1 0 8 0
amappl1 80 9059 0 8676 11 2 9 9 0 8 0
amappl 88 1045 0 1009 1 0 1 1 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 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 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 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
uaddrrnd 24 289 0 276 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 289 0 276 1 0 1 1 0 8 0
vmmpekpl 168 5992 0 5978 1 0 1 1 0 8 0
vmmpepl 168 25757 0 24976 41 3 38 39 0 357 3
vmsppl 272 288 0 276 2 1 1 2 0 8 0
rwobjpl 24 9281 0 7333 13 0 13 13 0 8 0
pdppl 4096 584 0 552 55 23 32 40 0 8 0
pvpl 32 120098 0 116477 36 3 33 33 0 265 3
pmappl 216 288 0 276 1 0 1 1 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 393 0 31 11 0 11 11 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd806e6e9738) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
somove(fffffd806ceddc90,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806ceddc90,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806ceddc90,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806ceddc90,ffff,1023,fffffd8075748f00) at sosetopt+0x7ec
sys_setsockopt(ffff8000ffff8d28,ffff80002174b348,ffff80002174b3a0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002174b410) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe63d0, count: -9
end of kernel
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
rw_assert_wrlock(fffffd806e6e9738) at rw_assert_wrlock+0xb7 sys/kern/kern_rwlock.c:388
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8254949d) at panic+0x161 sys/kern/subr_prf.c:198
somove(fffffd806ceddc90,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline]
somove(fffffd806ceddc90,1) at somove+0x25d sys/kern/uipc_socket.c:1487
sosplice(fffffd806ceddc90,3,0,0) at sosplice+0x502 sys/kern/uipc_socket.c:1346
sosetopt(fffffd806ceddc90,ffff,1023,fffffd8075748f00) at sosetopt+0x7ec
sys_setsockopt(ffff8000ffff8d28,ffff80002174b348,ffff80002174b3a0) at sys_setsockopt+0x1f5 sys/kern/uipc_syscalls.c:1233
syscall(ffff80002174b410) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe63d0, count: -9
end of kernel
ddb>
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