panic: pool_do_get: sockpl free list modified: page 0xfffffd807c050000; item addr 0xfffffd807c050e28; offset 0x0=0x0 != 0x739231093e35e373
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*185987 60417 0 0 0x4000000 0 syz-executor.7
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82608c37) at panic+0x161 sys/kern/subr_prf.c:202
pool_do_get(ffffffff82a90b78,9,ffff800026337558) at pool_do_get+0x427 sys/kern/subr_pool.c:740
pool_get(ffffffff82a90b78,9) at pool_get+0xb3 sys/kern/subr_pool.c:584
socreate(2,ffff800026337628,2,0) at socreate+0xa7 soalloc sys/kern/uipc_socket.c:147 [inline]
socreate(2,ffff800026337628,2,0) at socreate+0xa7 sys/kern/uipc_socket.c:176
sys_socket(ffff8000216322a0,ffff8000263376b8,ffff800026337710) at sys_socket+0xd8 sys/kern/uipc_syscalls.c:96
syscall(ffff800026337780) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfeae5a8e0c0, 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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: pool_do_get: sockpl free list modified: page 0xfffffd807c050000; item addr 0xfffffd807c050e28; offset 0x0=0x0 != 0x739231093e35e373
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82608c37) at panic+0x161 sys/kern/subr_prf.c:202
pool_do_get(ffffffff82a90b78,9,ffff800026337558) at pool_do_get+0x427 sys/kern/subr_pool.c:740
pool_get(ffffffff82a90b78,9) at pool_get+0xb3 sys/kern/subr_pool.c:584
socreate(2,ffff800026337628,2,0) at socreate+0xa7 soalloc sys/kern/uipc_socket.c:147 [inline]
socreate(2,ffff800026337628,2,0) at socreate+0xa7 sys/kern/uipc_socket.c:176
sys_socket(ffff8000216322a0,ffff8000263376b8,ffff800026337710) at sys_socket+0xd8 sys/kern/uipc_syscalls.c:96
syscall(ffff800026337780) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfeae5a8e0c0, count: -8
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff8000263373d0
rbx 0x739231093e35e373
rdx 0
rcx 0
rax 0xffff8000216322a0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xdea527686c33bd3a
r11 0x21ad0a79e272cb3c
r12 0
r13 0xfffffd807c050e28
r14 0
r15 0x1
rip 0xffffffff823da9f8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000263373c0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.7) pid=185987 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=82, usrpri=82, nice=20
forw=0xffffffffffffffff, list=0xffff800021610fd0,0xffff800021632fd0
process=0xffff8000ffff7398 user=0xffff800026332000, vmspace=0xfffffd807c235dd8
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
56498 26089 65285 0 2 0 syz-executor.1
94951 298263 27030 0 2 0 syz-executor.5
94951 87637 27030 0 2 0x4000000 syz-executor.5
94951 377703 27030 0 3 0x4000080 fsleep syz-executor.5
60417 237830 38830 0 2 0 syz-executor.7
*60417 185987 38830 0 7 0x4000000 syz-executor.7
60417 77028 38830 0 3 0x4000080 fsleep syz-executor.7
97908 188381 84583 0 2 0 syz-executor.6
97908 423821 84583 0 3 0x4000080 fsleep syz-executor.6
64821 159680 30955 0 2 0 syz-executor.4
64821 59366 30955 0 3 0x4000080 fsleep syz-executor.4
32186 246846 10075 0 2 0x2 syz-executor.3
84583 324317 10075 0 3 0x82 nanoslp syz-executor.6
30955 398105 10075 0 3 0x82 nanoslp syz-executor.4
38830 205221 10075 0 3 0x82 nanoslp syz-executor.7
6350 141286 0 0 3 0x14200 acct acct
39827 163849 10075 0 2 0x2 syz-executor.0
7747 67073 1 0 3 0x100083 ttyin getty
27030 115677 10075 0 3 0x82 nanoslp syz-executor.5
33486 128239 0 0 3 0x14200 bored sosplice
175 400282 10075 0 3 0x82 nanoslp syz-executor.2
65285 446831 10075 0 3 0x82 nanoslp syz-executor.1
10075 454376 10930 0 3 0x82 thrsleep syz-fuzzer
10075 106471 10930 0 3 0x4000082 nanoslp syz-fuzzer
10075 274964 10930 0 3 0x4000082 kqread syz-fuzzer
10075 457909 10930 0 3 0x4000082 thrsleep syz-fuzzer
10075 175919 10930 0 3 0x4000082 thrsleep syz-fuzzer
10075 515813 10930 0 3 0x4000082 thrsleep syz-fuzzer
10075 148753 10930 0 3 0x4000082 thrsleep syz-fuzzer
10075 325826 10930 0 3 0x4000082 thrsleep syz-fuzzer
10075 12931 10930 0 3 0x4000082 thrsleep syz-fuzzer
10930 430534 9274 0 3 0x10008a sigsusp ksh
9274 140900 62659 0 3 0x9a kqread sshd
62659 393959 1 0 3 0x88 kqread sshd
8354 380435 86071 73 3 0x1100090 kqread syslogd
86071 340462 1 0 3 0x100082 netio syslogd
73909 442209 1 0 3 0x100080 kqread resolvd
70683 359161 52729 77 3 0x100092 kqread dhcpleased
61409 225906 52729 77 3 0x100092 kqread dhcpleased
52729 320440 1 0 3 0x80 kqread dhcpleased
44811 485139 0 0 3 0x14200 bored smr
75714 210273 0 0 2 0x14200 zerothread
12895 395579 0 0 3 0x14200 aiodoned aiodoned
43633 247769 0 0 3 0x14200 syncer update
55618 26451 0 0 3 0x14200 cleaner cleaner
84005 29777 0 0 3 0x14200 reaper reaper
7771 450379 0 0 3 0x14200 pgdaemon pagedaemon
96444 98174 0 0 3 0x14200 bored viomb
23309 264943 0 0 3 0x40014200 acpi0 acpi0
95847 239832 0 0 3 0x14200 bored softnet
94010 367826 0 0 3 0x14200 bored softnet
8158 247283 0 0 3 0x14200 bored softnet
35971 122915 0 0 3 0x14200 bored softnet
87704 264474 0 0 3 0x14200 bored systqmp
58366 491530 0 0 3 0x14200 bored systq
18768 235891 0 0 3 0x40014200 bored softclock
14547 145240 0 0 3 0x40014200 idle0
1 380600 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 10200 6429K 7052K 78643K 17344 0
pcb 13 12K 14K 78643K 315 0
rtable 177 9K 13K 78643K 1034 0
ifaddr 154 36K 36K 78643K 596 0
sysctl 2 0K 0K 78643K 2 0
counters 26 17K 17K 78643K 97 0
ioctlops 0 0K 4K 78643K 2928 0
iov 0 0K 32K 78643K 171 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1342 84K 84K 78643K 4504 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 37 0
VM map 2 0K 0K 78643K 2 0
sem 11 1K 1K 78643K 18 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 15 53K 69K 78643K 5376 0
sigio 0 0K 0K 78643K 123 0
proc 61 59K 83K 78643K 887 0
subproc 104 6K 7K 78643K 260 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 151 0
in_multi 74 5K 6K 78643K 324 0
ether_multi 1 0K 0K 78643K 40 0
mrt 1 0K 0K 78643K 43 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 259 1155K 1155K 78643K 259 0
exec 0 0K 2K 78643K 1083 0
pfkey data 0 0K 0K 78643K 1 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 7 26K 26K 78643K 7 0
UVM amap 298 368K 783K 78643K 28477 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 117 0
NDP 11 0K 2K 78643K 125 0
temp 212 4900K 5158K 78643K 47043 0
kqueue 12 18K 28K 78643K 262 0
SYN cache 2 4688K 4696K 78643K 4 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 179 0 176 1 0 1 1 0 8 0
rtentry 112 274 0 196 4 1 3 4 0 8 0
unpcb 136 1954 0 1939 14 13 1 9 0 8 0
syncache 296 33 0 33 6 6 0 1 0 8 0
tcpqe 32 64 0 64 5 5 0 1 0 8 0
tcpcb 736 933 0 915 27 25 2 9 0 8 0
arp 88 46 0 32 1 0 1 1 0 8 0
ipq 40 5 0 5 4 4 0 1 0 8 0
ipqe 40 13 0 13 4 4 0 1 0 8 0
inpcb 312 4601 0 4574 71 62 9 16 0 8 6
ip6q 72 35 0 35 2 2 0 1 0 8 0
ip6af 40 69 0 69 2 2 0 1 0 8 0
nd6 48 64 0 46 1 0 1 1 0 8 0
pkpcb 40 14 0 14 5 5 0 1 0 8 0
kcovpl 48 20 0 12 1 0 1 1 0 8 0
ppxss 1152 20 0 20 4 4 0 1 0 8 0
pfstscr 40 103 0 73 1 0 1 1 0 8 0
pfosfp 40 6 0 3 1 0 1 1 0 8 0
pfosfpen 112 6 0 0 1 0 1 1 0 8 0
pfrktable 1344 68 0 68 2 2 0 1 0 8 0
pftag 88 2 0 0 1 0 1 1 0 8 0
pfqueue 264 2 0 2 1 1 0 1 0 8 0
pfstitem 24 160 0 100 1 0 1 1 0 8 0
pfstkey 112 197 0 191 1 0 1 1 0 8 0
pfstate 336 99 0 69 4 1 3 3 0 8 0
pfrule 1360 107 0 100 5 4 1 2 0 8 0
rttmrq 48 10 0 4 1 0 1 1 0 8 0
rttmr 72 13 0 13 4 4 0 1 0 8 0
art_heap8 4096 2 0 1 2 1 1 2 0 8 0
art_heap4 256 1190 0 850 37 15 22 29 0 8 0
art_table 32 1192 0 851 4 1 3 4 0 8 0
art_node 16 273 0 206 1 0 1 1 0 8 0
sysvmsgpl 40 31 0 23 2 1 1 1 0 8 0
semupl 112 7 0 7 1 1 0 1 0 8 0
semapl 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 9063 0 7615 92 1 91 91 0 8 0
ffsino 240 9063 0 7615 86 0 86 86 0 8 0
nchpl 144 15438 0 13804 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 50724 0 50723 6 5 1 2 0 8 0
vcpupl 1984 84 0 1 11 0 11 11 0 8 0
vmpool 528 513 0 430 6 0 6 6 0 8 0
pfiaddrpl 120 21 0 21 3 3 0 1 0 8 0
kstatmem 264 164 0 142 2 0 2 2 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 44363 0 44363 17 16 1 8 0 8 1
plimitpl 152 371 0 357 1 0 1 1 0 8 0
sigapl 424 5642 0 5597 6 0 6 6 0 8 0
futexpl 64 39855 0 39851 6 5 1 1 0 8 0
knotepl 120 79983 0 79903 50 39 11 11 0 8 6
kqueuepl 184 522 0 514 2 1 1 2 0 8 0
pipepl 304 515 0 487 12 9 3 8 0 8 0
fdescpl 432 5623 0 5597 4 0 4 4 0 8 0
filepl 120 29836 0 29577 64 52 12 15 0 8 4
lockfpl 104 1103 0 1101 2 1 1 2 0 8 0
lockfspl 48 406 0 404 1 0 1 1 0 8 0
sessionpl 144 36 0 20 1 0 1 1 0 8 0
pgrppl 48 46 0 30 1 0 1 1 0 8 0
ucredpl 96 7077 0 7067 1 0 1 1 0 8 0
zombiepl 144 5598 0 5597 5 4 1 1 0 8 0
processpl 1000 5642 0 5597 6 0 6 6 0 8 0
procpl 672 11956 0 11897 9 3 6 7 0 8 0
sosppl 168 37 0 37 4 4 0 1 0 8 0
sockpl 448 6757 0 6712 135 124 11 30 0 8 6
sockpl: pool(0xffffffff82a90b78:sockpl): free list modified: page 0xfffffd807c050000; item ordinal 0; addr 0xfffffd807c050e28 (p 0xfffffd806aec1000); offset 0x0=0x0
pool(sockpl): free list modified: page 0xfffffd807c050000; item ordinal 0; addr 0xfffffd807c050e28 (p 0xfffffd806aec1000); offset 0x0=0x0
sockpl: pool(0xffffffff82a90b78:sockpl): page inconsistency: page 0xfffffd807c050000; item ordinal 1; addr 0x603fd52986c56ad4
mcl64k 65536 52 0 52 14 13 1 1 0 8 1
mcl16k 16384 35 0 35 9 8 1 1 0 8 1
mcl12k 12288 63 0 63 11 10 1 1 0 8 1
mcl9k 9216 26 0 26 10 10 0 1 0 8 0
mcl8k 8192 76 0 76 23 22 1 1 0 8 1
mcl4k 4096 346 0 346 16 15 1 1 0 8 1
mcl2k2 2112 22 0 22 12 11 1 1 0 8 1
mcl2k 2048 33523 0 33466 67 58 9 19 0 8 1
mtagpl 96 397 0 226 7 1 6 6 0 8 0
mbufpl 256 102321 0 101921 58 28 30 48 0 8 0
bufpl 288 11167 0 4766 458 0 458 458 0 8 0
anonpl 24 1009064 0 998150 156 72 84 92 0 188 0
amapchunkpl 152 99442 0 98942 550 528 22 343 0 158 1
amappl16 200 17314 0 16993 142 124 18 35 0 8 0
amappl15 192 297 0 296 1 0 1 1 0 8 0
amappl14 184 953 0 948 1 0 1 1 0 8 0
amappl13 176 718 0 711 1 0 1 1 0 8 0
amappl12 168 1272 0 1264 1 0 1 1 0 8 0
amappl11 160 371 0 355 1 0 1 1 0 8 0
amappl10 152 976 0 971 1 0 1 1 0 8 0
amappl9 144 809 0 805 1 0 1 1 0 8 0
amappl8 136 1365 0 1279 3 0 3 3 0 8 0
amappl7 128 701 0 690 1 0 1 1 0 8 0
amappl6 120 586 0 568 2 1 1 2 0 8 0
amappl5 112 4519 0 4505 1 0 1 1 0 8 0
amappl4 104 1679 0 1645 3 1 2 2 0 8 1
amappl3 96 16334 0 16285 2 0 2 2 0 8 0
amappl2 88 7366 0 7298 4 2 2 3 0 8 0
amappl1 80 128760 0 128164 32 17 15 19 0 8 1
amappl 88 27432 0 27271 8 3 5 5 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
uaddrrnd 24 6136 0 6027 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 6136 0 6027 1 0 1 1 0 8 0
vmmpekpl 168 34219 0 34161 3 0 3 3 0 8 0
vmmpepl 168 532487 0 530153 220 104 116 116 0 357 6
vmsppl 272 6135 0 6027 8 0 8 8 0 8 0
rwobjpl 24 129156 0 121917 46 1 45 45 0 8 0
pdppl 4096 12278 0 12137 546 399 147 150 0 8 6
pvpl 32 2126524 0 2112144 309 172 137 256 0 265 0
pmappl 216 6135 0 6027 8 1 7 7 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1670 0 783 26 0 26 26 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(ffffffff82608c37) at panic+0x161 sys/kern/subr_prf.c:202
pool_do_get(ffffffff82a90b78,9,ffff800026337558) at pool_do_get+0x427 sys/kern/subr_pool.c:740
pool_get(ffffffff82a90b78,9) at pool_get+0xb3 sys/kern/subr_pool.c:584
socreate(2,ffff800026337628,2,0) at socreate+0xa7 soalloc sys/kern/uipc_socket.c:147 [inline]
socreate(2,ffff800026337628,2,0) at socreate+0xa7 sys/kern/uipc_socket.c:176
sys_socket(ffff8000216322a0,ffff8000263376b8,ffff800026337710) at sys_socket+0xd8 sys/kern/uipc_syscalls.c:96
syscall(ffff800026337780) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfeae5a8e0c0, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82608c37) at panic+0x161 sys/kern/subr_prf.c:202
pool_do_get(ffffffff82a90b78,9,ffff800026337558) at pool_do_get+0x427 sys/kern/subr_pool.c:740
pool_get(ffffffff82a90b78,9) at pool_get+0xb3 sys/kern/subr_pool.c:584
socreate(2,ffff800026337628,2,0) at socreate+0xa7 soalloc sys/kern/uipc_socket.c:147 [inline]
socreate(2,ffff800026337628,2,0) at socreate+0xa7 sys/kern/uipc_socket.c:176
sys_socket(ffff8000216322a0,ffff8000263376b8,ffff800026337710) at sys_socket+0xd8 sys/kern/uipc_syscalls.c:96
syscall(ffff800026337780) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfeae5a8e0c0, count: -8