pool: free list modified: phpool
0 ogledov
Preskoči na prvo neprebrano sporočilo
syzbot
24. jun. 2020, 14:27:1724. 6. 20
do syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: e9c5ed46 Fix `IFF_RUNNING' bit handling for pppx(4) and pp..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=159dbcf9100000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=02f2e07964a89ab65ea4
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+02f2e0...@syzkaller.appspotmail.com
panic: pool_do_get: phpool free list modified: page 0xfffffd8053eb8000; item addr 0xfffffd8053eb8000; offset 0x0=0x0 != 0xc9b7687d4a0ab64c
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*208285 36082 0 0 0x4000000 0 syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8246a6bd) at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff82817f28,2,ffff80001d7ac238) at pool_do_get+0x42a sys/kern/subr_pool.c:738
pool_get(ffffffff82817f28,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
pool_p_alloc(ffffffff82821c58,2,ffff80001d7ac408) at pool_p_alloc+0xd6 sys/kern/subr_pool.c:927
pool_do_get(ffffffff82821c58,2,ffff80001d7ac408) at pool_do_get+0x10c sys/kern/subr_pool.c:704
pool_get(ffffffff82821c58,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
m_get(2,1) at m_get+0x4c sys/kern/uipc_mbuf.c:250
ip6_output(fffffd80060e2d00,ffffffff8278bdd0,0,1,ffff80001d7ac658,0) at ip6_output+0x203 sys/netinet6/ip6_output.c:198
mld6_sendpkt(ffff800000ad6d00,83,0) at mld6_sendpkt+0x2b5 sys/netinet6/mld6.c:465
mld6_start_listening(ffff800000ad6d00) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136
in6_addmulti(ffff80001d7ac9c0,ffff800000ad4000,ffff80001d7aca48) at in6_addmulti+0x25e sys/netinet6/in6.c:1073
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 in6_joingroup sys/netinet6/in6.c:1142 [inline]
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 sys/netinet6/in6.c:764
in6_ifattach_linklocal(ffff800000ad4000,0) at in6_ifattach_linklocal+0x2a2 sys/netinet6/in6_ifattach.c:281
end trace frame: 0xffff80001d7acbc0, count: 0
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
pool_do_get: phpool free list modified: page 0xfffffd8053eb8000; item addr 0xfffffd8053eb8000; offset 0x0=0x0 != 0xc9b7687d4a0ab64c
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8246a6bd) at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff82817f28,2,ffff80001d7ac238) at pool_do_get+0x42a sys/kern/subr_pool.c:738
pool_get(ffffffff82817f28,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
pool_p_alloc(ffffffff82821c58,2,ffff80001d7ac408) at pool_p_alloc+0xd6 sys/kern/subr_pool.c:927
pool_do_get(ffffffff82821c58,2,ffff80001d7ac408) at pool_do_get+0x10c sys/kern/subr_pool.c:704
pool_get(ffffffff82821c58,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
m_get(2,1) at m_get+0x4c sys/kern/uipc_mbuf.c:250
ip6_output(fffffd80060e2d00,ffffffff8278bdd0,0,1,ffff80001d7ac658,0) at ip6_output+0x203 sys/netinet6/ip6_output.c:198
mld6_sendpkt(ffff800000ad6d00,83,0) at mld6_sendpkt+0x2b5 sys/netinet6/mld6.c:465
mld6_start_listening(ffff800000ad6d00) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136
in6_addmulti(ffff80001d7ac9c0,ffff800000ad4000,ffff80001d7aca48) at in6_addmulti+0x25e sys/netinet6/in6.c:1073
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 in6_joingroup sys/netinet6/in6.c:1142 [inline]
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 sys/netinet6/in6.c:764
in6_ifattach_linklocal(ffff800000ad4000,0) at in6_ifattach_linklocal+0x2a2 sys/netinet6/in6_ifattach.c:281
in6_ifattach(ffff800000ad4000) at in6_ifattach+0x1b8 sys/netinet6/in6_ifattach.c:401
ifnewlladdr(ffff800000ad4000) at ifnewlladdr+0x119 sys/net/if.c:3120
ifioctl(fffffd806aaff1a0,8020691f,ffff80001d7acd00,ffff80001d6c2d58) at ifioctl+0x1b2e sys/net/if.c:2196
sys_ioctl(ffff80001d6c2d58,ffff80001d7ace18,ffff80001d7ace60) at sys_ioctl+0x4a1
syscall(ffff80001d7acee0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x21b66827510, count: -20
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d7ac0a0
rbx 0xffff80001d7ac150
rdx 0x2
rcx 0
rax 0x1
r8 0xffffffff81843c1f kprintf+0x15f
r9 0x1
r10 0x2
r11 0x97c0431fc34aa095
r12 0x3000000008
r13 0xffff80001d7ac0b0
r14 0x100
r15 0x1
rip 0xffffffff8234ada8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d7ac090
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.1) pid=208285 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=63, nice=20
forw=0xffffffffffffffff, list=0xffff80001d6c1c48,0xffff80001d6c1298
process=0xffff8000ffff95a8 user=0xffff80001d7a7000, vmspace=0xfffffd80060dc890
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
197 403523 62537 0 3 0x80 nanosleep syz-executor.0
197 118643 62537 0 3 0x4000080 netcon syz-executor.0
197 138540 62537 0 3 0x4000080 fsleep syz-executor.0
36082 178122 49289 0 2 0 syz-executor.1
*36082 208285 49289 0 7 0x4000000 syz-executor.1
36082 447805 49289 0 3 0x4000080 fsleep syz-executor.1
10694 320948 0 0 3 0x14200 bored sosplice
62537 62777 58155 0 3 0x82 nanosleep syz-executor.0
49289 498371 58155 0 3 0x82 nanosleep syz-executor.1
58155 276887 84186 0 3 0x82 thrsleep syz-fuzzer
58155 427604 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 511150 84186 0 3 0x4000082 kqread syz-fuzzer
58155 416667 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 516153 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 248122 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 382800 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 372126 84186 0 3 0x4000082 thrsleep syz-fuzzer
84186 85509 14343 0 3 0x10008a pause ksh
14343 488345 77799 0 3 0x92 select sshd
34954 213193 1 0 3 0x100083 ttyin getty
77799 494409 1 0 3 0x80 select sshd
49793 51211 59340 73 3 0x100090 kqread syslogd
59340 98561 1 0 3 0x100082 netio syslogd
46753 63253 1 77 3 0x100090 poll dhclient
54386 371096 1 0 3 0x80 poll dhclient
49937 31472 0 0 3 0x14200 bored smr
82601 456202 0 0 2 0x14200 zerothread
67576 376512 0 0 3 0x14200 aiodoned aiodoned
59710 275357 0 0 3 0x14200 syncer update
7369 394175 0 0 3 0x14200 cleaner cleaner
24171 464272 0 0 3 0x14200 reaper reaper
2892 227413 0 0 3 0x14200 pgdaemon pagedaemon
52965 449358 0 0 3 0x14200 bored crynlk
34073 258338 0 0 3 0x14200 bored crypto
70502 362051 0 0 3 0x40014200 acpi0 acpi0
45567 223655 0 0 3 0x14200 bored softnet
17605 96339 0 0 2 0x14200 systqmp
1811 19352 0 0 3 0x14200 bored systq
61543 330498 0 0 3 0x40014200 bored softclock
38452 494663 0 0 3 0x40014200 idle0
1 160664 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 9474 6329K 6981K 78643K 11104 0
pcb 13 8K 8K 78643K 76 0
rtable 102 11K 12K 78643K 318 0
ifaddr 54 12K 12K 78643K 89 0
counters 21 16K 16K 78643K 22 0
ioctlops 0 0K 4K 78643K 29 0
iov 0 0K 16K 78643K 20 0
mount 1 1K 1K 78643K 1 0
vnodes 1222 77K 77K 78643K 1355 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 3 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 1K 78643K 20 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 6 17K 25K 78643K 174 0
proc 49 38K 54K 78643K 377 0
subproc 32 2K 2K 78643K 34 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 5 0
in_multi 34 2K 2K 78643K 70 0
ether_multi 1 0K 0K 78643K 2 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 43 201K 201K 78643K 43 0
exec 0 0K 1K 78643K 201 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 125 23K 39K 78643K 1265 0
UVM aobj 7 2K 2K 78643K 8 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 16 0
NDP 8 0K 0K 78643K 17 0
temp 90 3855K 3919K 78643K 4120 0
kqueue 3 4K 8K 78643K 12 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
arp 64 8 0 1 1 0 1 1 0 8 0
rtpcb 80 36 0 34 1 0 1 1 0 8 0
rtentry 112 64 0 25 2 0 2 2 0 8 0
unpcb 120 87 0 79 1 0 1 1 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
sackhl 24 1 0 1 1 0 1 1 0 8 1
tcpqe 32 99 0 99 1 1 0 1 0 8 0
tcpcb 544 68 0 62 1 0 1 1 0 8 0
inpcb 296 267 0 252 2 0 2 2 0 8 0
nd6 48 13 0 9 1 0 1 1 0 8 0
pfrktable 1344 20 0 20 1 0 1 1 0 8 1
pftag 88 4 0 4 1 0 1 1 0 8 1
pfrule 1360 4 0 4 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 269 0 67 13 0 13 13 0 8 0
art_table 32 270 0 67 2 0 2 2 0 8 0
art_node 16 63 0 23 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 3 2 1 1 1 0 8 0
semupl 112 2 0 2 1 0 1 1 0 8 1
semapl 112 14 0 4 1 0 1 1 0 8 0
shmpl 112 6 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1616 0 221 88 0 88 88 0 8 0
ffsino 240 1616 0 221 83 0 83 83 0 8 0
nchpl 144 2025 0 422 60 0 60 60 0 8 0
uvmvnodes 72 1775 0 0 33 0 33 33 0 8 0
vnodes 208 1775 0 0 94 0 94 94 0 8 0
namei 1024 5270 0 5270 1 0 1 1 0 8 1
vcpupl 1984 2 0 0 1 0 1 1 0 8 0
vmpool 528 6 0 4 2 1 1 1 0 8 0
pfiaddrpl 120 6 0 6 1 0 1 1 0 8 1
scxspl 192 5992 0 5992 1 0 1 1 0 8 1
plimitpl 152 28 0 21 1 0 1 1 0 8 0
sigapl 424 361 0 331 4 0 4 4 0 8 0
futexpl 56 3313 0 3311 1 0 1 1 0 8 0
knotepl 112 69 0 50 1 0 1 1 0 8 0
kqueuepl 144 29 0 24 1 0 1 1 0 8 0
pipelkpl 16 92 0 82 1 0 1 1 0 8 0
pipepl 120 184 0 165 1 0 1 1 0 8 0
fdescpl 432 346 0 331 2 0 2 2 0 8 0
filepl 120 1959 0 1852 4 0 4 4 0 8 0
lockfpl 104 31 0 30 1 0 1 1 0 8 0
lockfspl 48 14 0 13 1 0 1 1 0 8 0
sessionpl 112 17 0 7 1 0 1 1 0 8 0
pgrppl 48 17 0 7 1 0 1 1 0 8 0
ucredpl 96 170 0 163 1 0 1 1 0 8 0
zombiepl 144 331 0 331 1 0 1 1 0 8 1
processpl 920 361 0 331 4 0 4 4 0 8 0
procpl 624 557 0 516 4 0 4 4 0 8 0
sosppl 128 2 0 2 1 1 0 1 0 8 0
sockpl 400 393 0 368 3 0 3 3 0 8 0
mcl64k 65536 517 0 517 65 9 56 65 0 8 56
mcl12k 12288 7 0 7 2 1 1 1 0 8 1
mcl9k 9216 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 6 0 6 2 1 1 1 0 8 1
mcl4k 4096 19 0 19 2 1 1 1 0 8 1
mcl2k2 2112 1 0 1 1 1 0 1 0 8 0
mcl2k 2048 71430 0 71377 18 10 8 15 0 8 0
mtagpl 96 78 0 2 3 1 2 2 0 8 0
mbufpl 256 114999 0 114663 47 26 21 39 0 8 0
bufpl 280 3539 0 128 244 0 244 244 0 8 0
anonpl 16 54236 0 38466 80 2 78 78 0 107 13
amapchunkpl 152 1347 0 1208 7 0 7 7 0 158 0
amappl16 192 2059 0 1198 58 7 51 54 0 8 7
amappl15 184 71 0 68 1 0 1 1 0 8 0
amappl14 176 24 0 19 1 0 1 1 0 8 0
amappl13 168 28 0 25 1 0 1 1 0 8 0
amappl12 160 10 0 10 1 1 0 1 0 8 0
amappl11 152 115 0 104 1 0 1 1 0 8 0
amappl10 144 87 0 79 1 0 1 1 0 8 0
amappl9 136 364 0 363 1 0 1 1 0 8 0
amappl8 128 322 0 284 2 0 2 2 0 8 0
amappl7 120 181 0 166 1 0 1 1 0 8 0
amappl6 112 95 0 87 1 0 1 1 0 8 0
amappl5 104 231 0 220 1 0 1 1 0 8 0
amappl4 96 487 0 460 1 0 1 1 0 8 0
amappl3 88 111 0 106 1 0 1 1 0 8 0
amappl2 80 1948 0 1872 2 0 2 2 0 8 0
amappl1 72 15971 0 15528 23 14 9 17 0 8 0
amappl 80 785 0 740 2 0 2 2 0 84 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 64 7 0 1 1 0 1 1 0 8 0
uaddrrnd 24 352 0 335 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 352 0 335 1 0 1 1 0 8 0
vmmpekpl 168 6359 0 6332 2 0 2 2 0 8 0
vmmpepl 168 49019 0 46948 149 12 137 144 0 357 46
vmsppl 272 351 0 335 3 1 2 2 0 8 0
pdppl 4096 710 0 672 6 1 5 6 0 8 0
pvpl 32 165116 0 146152 188 2 186 188 0 265 33
pmappl 200 351 0 335 1 0 1 1 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 343 0 51 10 0 10 10 0 8 0
phpool: pool(0xffffffff82817f28:phpool): free list modified: page 0xfffffd8053eb8000; item ordinal 0; addr 0xfffffd8053eb8000 (p 0xfffffd8053eb8000); offset 0x0=0x0
pool(phpool): free list modified: page 0xfffffd8053eb8000; item ordinal 0; addr 0xfffffd8053eb8000 (p 0xfffffd8053eb8000); offset 0x0=0x0
phpool: pool(0xffffffff82817f28:phpool): page inconsistency: page 0xfffffd8053eb8000; item ordinal 1; addr 0x951a51c53b0da1
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8246a6bd) at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff82817f28,2,ffff80001d7ac238) at pool_do_get+0x42a sys/kern/subr_pool.c:738
pool_get(ffffffff82817f28,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
pool_p_alloc(ffffffff82821c58,2,ffff80001d7ac408) at pool_p_alloc+0xd6 sys/kern/subr_pool.c:927
pool_do_get(ffffffff82821c58,2,ffff80001d7ac408) at pool_do_get+0x10c sys/kern/subr_pool.c:704
pool_get(ffffffff82821c58,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
m_get(2,1) at m_get+0x4c sys/kern/uipc_mbuf.c:250
ip6_output(fffffd80060e2d00,ffffffff8278bdd0,0,1,ffff80001d7ac658,0) at ip6_output+0x203 sys/netinet6/ip6_output.c:198
mld6_sendpkt(ffff800000ad6d00,83,0) at mld6_sendpkt+0x2b5 sys/netinet6/mld6.c:465
mld6_start_listening(ffff800000ad6d00) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136
in6_addmulti(ffff80001d7ac9c0,ffff800000ad4000,ffff80001d7aca48) at in6_addmulti+0x25e sys/netinet6/in6.c:1073
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 in6_joingroup sys/netinet6/in6.c:1142 [inline]
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 sys/netinet6/in6.c:764
in6_ifattach_linklocal(ffff800000ad4000,0) at in6_ifattach_linklocal+0x2a2 sys/netinet6/in6_ifattach.c:281
in6_ifattach(ffff800000ad4000) at in6_ifattach+0x1b8 sys/netinet6/in6_ifattach.c:401
ifnewlladdr(ffff800000ad4000) at ifnewlladdr+0x119 sys/net/if.c:3120
ifioctl(fffffd806aaff1a0,8020691f,ffff80001d7acd00,ffff80001d6c2d58) at ifioctl+0x1b2e sys/net/if.c:2196
sys_ioctl(ffff80001d6c2d58,ffff80001d7ace18,ffff80001d7ace60) at sys_ioctl+0x4a1
syscall(ffff80001d7acee0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x21b66827510, count: -20
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8246a6bd) at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff82817f28,2,ffff80001d7ac238) at pool_do_get+0x42a sys/kern/subr_pool.c:738
pool_get(ffffffff82817f28,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
pool_p_alloc(ffffffff82821c58,2,ffff80001d7ac408) at pool_p_alloc+0xd6 sys/kern/subr_pool.c:927
pool_do_get(ffffffff82821c58,2,ffff80001d7ac408) at pool_do_get+0x10c sys/kern/subr_pool.c:704
pool_get(ffffffff82821c58,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
m_get(2,1) at m_get+0x4c sys/kern/uipc_mbuf.c:250
ip6_output(fffffd80060e2d00,ffffffff8278bdd0,0,1,ffff80001d7ac658,0) at ip6_output+0x203 sys/netinet6/ip6_output.c:198
mld6_sendpkt(ffff800000ad6d00,83,0) at mld6_sendpkt+0x2b5 sys/netinet6/mld6.c:465
mld6_start_listening(ffff800000ad6d00) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136
in6_addmulti(ffff80001d7ac9c0,ffff800000ad4000,ffff80001d7aca48) at in6_addmulti+0x25e sys/netinet6/in6.c:1073
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 in6_joingroup sys/netinet6/in6.c:1142 [inline]
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 sys/netinet6/in6.c:764
in6_ifattach_linklocal(ffff800000ad4000,0) at in6_ifattach_linklocal+0x2a2 sys/netinet6/in6_ifattach.c:281
in6_ifattach(ffff800000ad4000) at in6_ifattach+0x1b8 sys/netinet6/in6_ifattach.c:401
ifnewlladdr(ffff800000ad4000) at ifnewlladdr+0x119 sys/net/if.c:3120
ifioctl(fffffd806aaff1a0,8020691f,ffff80001d7acd00,ffff80001d6c2d58) at ifioctl+0x1b2e sys/net/if.c:2196
sys_ioctl(ffff80001d6c2d58,ffff80001d7ace18,ffff80001d7ace60) at sys_ioctl+0x4a1
syscall(ffff80001d7acee0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x21b66827510, count: -20
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following crash on:
HEAD commit: e9c5ed46 Fix `IFF_RUNNING' bit handling for pppx(4) and pp..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=159dbcf9100000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=02f2e07964a89ab65ea4
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+02f2e0...@syzkaller.appspotmail.com
panic: pool_do_get: phpool free list modified: page 0xfffffd8053eb8000; item addr 0xfffffd8053eb8000; offset 0x0=0x0 != 0xc9b7687d4a0ab64c
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*208285 36082 0 0 0x4000000 0 syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8246a6bd) at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff82817f28,2,ffff80001d7ac238) at pool_do_get+0x42a sys/kern/subr_pool.c:738
pool_get(ffffffff82817f28,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
pool_p_alloc(ffffffff82821c58,2,ffff80001d7ac408) at pool_p_alloc+0xd6 sys/kern/subr_pool.c:927
pool_do_get(ffffffff82821c58,2,ffff80001d7ac408) at pool_do_get+0x10c sys/kern/subr_pool.c:704
pool_get(ffffffff82821c58,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
m_get(2,1) at m_get+0x4c sys/kern/uipc_mbuf.c:250
ip6_output(fffffd80060e2d00,ffffffff8278bdd0,0,1,ffff80001d7ac658,0) at ip6_output+0x203 sys/netinet6/ip6_output.c:198
mld6_sendpkt(ffff800000ad6d00,83,0) at mld6_sendpkt+0x2b5 sys/netinet6/mld6.c:465
mld6_start_listening(ffff800000ad6d00) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136
in6_addmulti(ffff80001d7ac9c0,ffff800000ad4000,ffff80001d7aca48) at in6_addmulti+0x25e sys/netinet6/in6.c:1073
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 in6_joingroup sys/netinet6/in6.c:1142 [inline]
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 sys/netinet6/in6.c:764
in6_ifattach_linklocal(ffff800000ad4000,0) at in6_ifattach_linklocal+0x2a2 sys/netinet6/in6_ifattach.c:281
end trace frame: 0xffff80001d7acbc0, count: 0
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
pool_do_get: phpool free list modified: page 0xfffffd8053eb8000; item addr 0xfffffd8053eb8000; offset 0x0=0x0 != 0xc9b7687d4a0ab64c
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8246a6bd) at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff82817f28,2,ffff80001d7ac238) at pool_do_get+0x42a sys/kern/subr_pool.c:738
pool_get(ffffffff82817f28,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
pool_p_alloc(ffffffff82821c58,2,ffff80001d7ac408) at pool_p_alloc+0xd6 sys/kern/subr_pool.c:927
pool_do_get(ffffffff82821c58,2,ffff80001d7ac408) at pool_do_get+0x10c sys/kern/subr_pool.c:704
pool_get(ffffffff82821c58,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
m_get(2,1) at m_get+0x4c sys/kern/uipc_mbuf.c:250
ip6_output(fffffd80060e2d00,ffffffff8278bdd0,0,1,ffff80001d7ac658,0) at ip6_output+0x203 sys/netinet6/ip6_output.c:198
mld6_sendpkt(ffff800000ad6d00,83,0) at mld6_sendpkt+0x2b5 sys/netinet6/mld6.c:465
mld6_start_listening(ffff800000ad6d00) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136
in6_addmulti(ffff80001d7ac9c0,ffff800000ad4000,ffff80001d7aca48) at in6_addmulti+0x25e sys/netinet6/in6.c:1073
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 in6_joingroup sys/netinet6/in6.c:1142 [inline]
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 sys/netinet6/in6.c:764
in6_ifattach_linklocal(ffff800000ad4000,0) at in6_ifattach_linklocal+0x2a2 sys/netinet6/in6_ifattach.c:281
in6_ifattach(ffff800000ad4000) at in6_ifattach+0x1b8 sys/netinet6/in6_ifattach.c:401
ifnewlladdr(ffff800000ad4000) at ifnewlladdr+0x119 sys/net/if.c:3120
ifioctl(fffffd806aaff1a0,8020691f,ffff80001d7acd00,ffff80001d6c2d58) at ifioctl+0x1b2e sys/net/if.c:2196
sys_ioctl(ffff80001d6c2d58,ffff80001d7ace18,ffff80001d7ace60) at sys_ioctl+0x4a1
syscall(ffff80001d7acee0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x21b66827510, count: -20
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d7ac0a0
rbx 0xffff80001d7ac150
rdx 0x2
rcx 0
rax 0x1
r8 0xffffffff81843c1f kprintf+0x15f
r9 0x1
r10 0x2
r11 0x97c0431fc34aa095
r12 0x3000000008
r13 0xffff80001d7ac0b0
r14 0x100
r15 0x1
rip 0xffffffff8234ada8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d7ac090
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor.1) pid=208285 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=63, nice=20
forw=0xffffffffffffffff, list=0xffff80001d6c1c48,0xffff80001d6c1298
process=0xffff8000ffff95a8 user=0xffff80001d7a7000, vmspace=0xfffffd80060dc890
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
197 403523 62537 0 3 0x80 nanosleep syz-executor.0
197 118643 62537 0 3 0x4000080 netcon syz-executor.0
197 138540 62537 0 3 0x4000080 fsleep syz-executor.0
36082 178122 49289 0 2 0 syz-executor.1
*36082 208285 49289 0 7 0x4000000 syz-executor.1
36082 447805 49289 0 3 0x4000080 fsleep syz-executor.1
10694 320948 0 0 3 0x14200 bored sosplice
62537 62777 58155 0 3 0x82 nanosleep syz-executor.0
49289 498371 58155 0 3 0x82 nanosleep syz-executor.1
58155 276887 84186 0 3 0x82 thrsleep syz-fuzzer
58155 427604 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 511150 84186 0 3 0x4000082 kqread syz-fuzzer
58155 416667 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 516153 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 248122 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 382800 84186 0 3 0x4000082 thrsleep syz-fuzzer
58155 372126 84186 0 3 0x4000082 thrsleep syz-fuzzer
84186 85509 14343 0 3 0x10008a pause ksh
14343 488345 77799 0 3 0x92 select sshd
34954 213193 1 0 3 0x100083 ttyin getty
77799 494409 1 0 3 0x80 select sshd
49793 51211 59340 73 3 0x100090 kqread syslogd
59340 98561 1 0 3 0x100082 netio syslogd
46753 63253 1 77 3 0x100090 poll dhclient
54386 371096 1 0 3 0x80 poll dhclient
49937 31472 0 0 3 0x14200 bored smr
82601 456202 0 0 2 0x14200 zerothread
67576 376512 0 0 3 0x14200 aiodoned aiodoned
59710 275357 0 0 3 0x14200 syncer update
7369 394175 0 0 3 0x14200 cleaner cleaner
24171 464272 0 0 3 0x14200 reaper reaper
2892 227413 0 0 3 0x14200 pgdaemon pagedaemon
52965 449358 0 0 3 0x14200 bored crynlk
34073 258338 0 0 3 0x14200 bored crypto
70502 362051 0 0 3 0x40014200 acpi0 acpi0
45567 223655 0 0 3 0x14200 bored softnet
17605 96339 0 0 2 0x14200 systqmp
1811 19352 0 0 3 0x14200 bored systq
61543 330498 0 0 3 0x40014200 bored softclock
38452 494663 0 0 3 0x40014200 idle0
1 160664 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 9474 6329K 6981K 78643K 11104 0
pcb 13 8K 8K 78643K 76 0
rtable 102 11K 12K 78643K 318 0
ifaddr 54 12K 12K 78643K 89 0
counters 21 16K 16K 78643K 22 0
ioctlops 0 0K 4K 78643K 29 0
iov 0 0K 16K 78643K 20 0
mount 1 1K 1K 78643K 1 0
vnodes 1222 77K 77K 78643K 1355 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 3 0
VM map 2 0K 0K 78643K 2 0
sem 12 0K 1K 78643K 20 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1809 195K 288K 78643K 12938 0
file desc 6 17K 25K 78643K 174 0
proc 49 38K 54K 78643K 377 0
subproc 32 2K 2K 78643K 34 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 5 0
in_multi 34 2K 2K 78643K 70 0
ether_multi 1 0K 0K 78643K 2 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 43 201K 201K 78643K 43 0
exec 0 0K 1K 78643K 201 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 125 23K 39K 78643K 1265 0
UVM aobj 7 2K 2K 78643K 8 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 16 0
NDP 8 0K 0K 78643K 17 0
temp 90 3855K 3919K 78643K 4120 0
kqueue 3 4K 8K 78643K 12 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
arp 64 8 0 1 1 0 1 1 0 8 0
rtpcb 80 36 0 34 1 0 1 1 0 8 0
rtentry 112 64 0 25 2 0 2 2 0 8 0
unpcb 120 87 0 79 1 0 1 1 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
sackhl 24 1 0 1 1 0 1 1 0 8 1
tcpqe 32 99 0 99 1 1 0 1 0 8 0
tcpcb 544 68 0 62 1 0 1 1 0 8 0
inpcb 296 267 0 252 2 0 2 2 0 8 0
nd6 48 13 0 9 1 0 1 1 0 8 0
pfrktable 1344 20 0 20 1 0 1 1 0 8 1
pftag 88 4 0 4 1 0 1 1 0 8 1
pfrule 1360 4 0 4 1 0 1 1 0 8 1
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 269 0 67 13 0 13 13 0 8 0
art_table 32 270 0 67 2 0 2 2 0 8 0
art_node 16 63 0 23 1 0 1 1 0 8 0
sysvmsgpl 40 5 0 3 2 1 1 1 0 8 0
semupl 112 2 0 2 1 0 1 1 0 8 1
semapl 112 14 0 4 1 0 1 1 0 8 0
shmpl 112 6 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1616 0 221 88 0 88 88 0 8 0
ffsino 240 1616 0 221 83 0 83 83 0 8 0
nchpl 144 2025 0 422 60 0 60 60 0 8 0
uvmvnodes 72 1775 0 0 33 0 33 33 0 8 0
vnodes 208 1775 0 0 94 0 94 94 0 8 0
namei 1024 5270 0 5270 1 0 1 1 0 8 1
vcpupl 1984 2 0 0 1 0 1 1 0 8 0
vmpool 528 6 0 4 2 1 1 1 0 8 0
pfiaddrpl 120 6 0 6 1 0 1 1 0 8 1
scxspl 192 5992 0 5992 1 0 1 1 0 8 1
plimitpl 152 28 0 21 1 0 1 1 0 8 0
sigapl 424 361 0 331 4 0 4 4 0 8 0
futexpl 56 3313 0 3311 1 0 1 1 0 8 0
knotepl 112 69 0 50 1 0 1 1 0 8 0
kqueuepl 144 29 0 24 1 0 1 1 0 8 0
pipelkpl 16 92 0 82 1 0 1 1 0 8 0
pipepl 120 184 0 165 1 0 1 1 0 8 0
fdescpl 432 346 0 331 2 0 2 2 0 8 0
filepl 120 1959 0 1852 4 0 4 4 0 8 0
lockfpl 104 31 0 30 1 0 1 1 0 8 0
lockfspl 48 14 0 13 1 0 1 1 0 8 0
sessionpl 112 17 0 7 1 0 1 1 0 8 0
pgrppl 48 17 0 7 1 0 1 1 0 8 0
ucredpl 96 170 0 163 1 0 1 1 0 8 0
zombiepl 144 331 0 331 1 0 1 1 0 8 1
processpl 920 361 0 331 4 0 4 4 0 8 0
procpl 624 557 0 516 4 0 4 4 0 8 0
sosppl 128 2 0 2 1 1 0 1 0 8 0
sockpl 400 393 0 368 3 0 3 3 0 8 0
mcl64k 65536 517 0 517 65 9 56 65 0 8 56
mcl12k 12288 7 0 7 2 1 1 1 0 8 1
mcl9k 9216 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 6 0 6 2 1 1 1 0 8 1
mcl4k 4096 19 0 19 2 1 1 1 0 8 1
mcl2k2 2112 1 0 1 1 1 0 1 0 8 0
mcl2k 2048 71430 0 71377 18 10 8 15 0 8 0
mtagpl 96 78 0 2 3 1 2 2 0 8 0
mbufpl 256 114999 0 114663 47 26 21 39 0 8 0
bufpl 280 3539 0 128 244 0 244 244 0 8 0
anonpl 16 54236 0 38466 80 2 78 78 0 107 13
amapchunkpl 152 1347 0 1208 7 0 7 7 0 158 0
amappl16 192 2059 0 1198 58 7 51 54 0 8 7
amappl15 184 71 0 68 1 0 1 1 0 8 0
amappl14 176 24 0 19 1 0 1 1 0 8 0
amappl13 168 28 0 25 1 0 1 1 0 8 0
amappl12 160 10 0 10 1 1 0 1 0 8 0
amappl11 152 115 0 104 1 0 1 1 0 8 0
amappl10 144 87 0 79 1 0 1 1 0 8 0
amappl9 136 364 0 363 1 0 1 1 0 8 0
amappl8 128 322 0 284 2 0 2 2 0 8 0
amappl7 120 181 0 166 1 0 1 1 0 8 0
amappl6 112 95 0 87 1 0 1 1 0 8 0
amappl5 104 231 0 220 1 0 1 1 0 8 0
amappl4 96 487 0 460 1 0 1 1 0 8 0
amappl3 88 111 0 106 1 0 1 1 0 8 0
amappl2 80 1948 0 1872 2 0 2 2 0 8 0
amappl1 72 15971 0 15528 23 14 9 17 0 8 0
amappl 80 785 0 740 2 0 2 2 0 84 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 64 7 0 1 1 0 1 1 0 8 0
uaddrrnd 24 352 0 335 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 352 0 335 1 0 1 1 0 8 0
vmmpekpl 168 6359 0 6332 2 0 2 2 0 8 0
vmmpepl 168 49019 0 46948 149 12 137 144 0 357 46
vmsppl 272 351 0 335 3 1 2 2 0 8 0
pdppl 4096 710 0 672 6 1 5 6 0 8 0
pvpl 32 165116 0 146152 188 2 186 188 0 265 33
pmappl 200 351 0 335 1 0 1 1 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 343 0 51 10 0 10 10 0 8 0
phpool: pool(0xffffffff82817f28:phpool): free list modified: page 0xfffffd8053eb8000; item ordinal 0; addr 0xfffffd8053eb8000 (p 0xfffffd8053eb8000); offset 0x0=0x0
pool(phpool): free list modified: page 0xfffffd8053eb8000; item ordinal 0; addr 0xfffffd8053eb8000 (p 0xfffffd8053eb8000); offset 0x0=0x0
phpool: pool(0xffffffff82817f28:phpool): page inconsistency: page 0xfffffd8053eb8000; item ordinal 1; addr 0x951a51c53b0da1
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8246a6bd) at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff82817f28,2,ffff80001d7ac238) at pool_do_get+0x42a sys/kern/subr_pool.c:738
pool_get(ffffffff82817f28,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
pool_p_alloc(ffffffff82821c58,2,ffff80001d7ac408) at pool_p_alloc+0xd6 sys/kern/subr_pool.c:927
pool_do_get(ffffffff82821c58,2,ffff80001d7ac408) at pool_do_get+0x10c sys/kern/subr_pool.c:704
pool_get(ffffffff82821c58,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
m_get(2,1) at m_get+0x4c sys/kern/uipc_mbuf.c:250
ip6_output(fffffd80060e2d00,ffffffff8278bdd0,0,1,ffff80001d7ac658,0) at ip6_output+0x203 sys/netinet6/ip6_output.c:198
mld6_sendpkt(ffff800000ad6d00,83,0) at mld6_sendpkt+0x2b5 sys/netinet6/mld6.c:465
mld6_start_listening(ffff800000ad6d00) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136
in6_addmulti(ffff80001d7ac9c0,ffff800000ad4000,ffff80001d7aca48) at in6_addmulti+0x25e sys/netinet6/in6.c:1073
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 in6_joingroup sys/netinet6/in6.c:1142 [inline]
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 sys/netinet6/in6.c:764
in6_ifattach_linklocal(ffff800000ad4000,0) at in6_ifattach_linklocal+0x2a2 sys/netinet6/in6_ifattach.c:281
in6_ifattach(ffff800000ad4000) at in6_ifattach+0x1b8 sys/netinet6/in6_ifattach.c:401
ifnewlladdr(ffff800000ad4000) at ifnewlladdr+0x119 sys/net/if.c:3120
ifioctl(fffffd806aaff1a0,8020691f,ffff80001d7acd00,ffff80001d6c2d58) at ifioctl+0x1b2e sys/net/if.c:2196
sys_ioctl(ffff80001d6c2d58,ffff80001d7ace18,ffff80001d7ace60) at sys_ioctl+0x4a1
syscall(ffff80001d7acee0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x21b66827510, count: -20
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8246a6bd) at panic+0x15c sys/kern/subr_prf.c:207
pool_do_get(ffffffff82817f28,2,ffff80001d7ac238) at pool_do_get+0x42a sys/kern/subr_pool.c:738
pool_get(ffffffff82817f28,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
pool_p_alloc(ffffffff82821c58,2,ffff80001d7ac408) at pool_p_alloc+0xd6 sys/kern/subr_pool.c:927
pool_do_get(ffffffff82821c58,2,ffff80001d7ac408) at pool_do_get+0x10c sys/kern/subr_pool.c:704
pool_get(ffffffff82821c58,2) at pool_get+0xb5 sys/kern/subr_pool.c:581
m_get(2,1) at m_get+0x4c sys/kern/uipc_mbuf.c:250
ip6_output(fffffd80060e2d00,ffffffff8278bdd0,0,1,ffff80001d7ac658,0) at ip6_output+0x203 sys/netinet6/ip6_output.c:198
mld6_sendpkt(ffff800000ad6d00,83,0) at mld6_sendpkt+0x2b5 sys/netinet6/mld6.c:465
mld6_start_listening(ffff800000ad6d00) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136
in6_addmulti(ffff80001d7ac9c0,ffff800000ad4000,ffff80001d7aca48) at in6_addmulti+0x25e sys/netinet6/in6.c:1073
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 in6_joingroup sys/netinet6/in6.c:1142 [inline]
in6_update_ifa(ffff800000ad4000,ffff80001d7acab0,0) at in6_update_ifa+0x1540 sys/netinet6/in6.c:764
in6_ifattach_linklocal(ffff800000ad4000,0) at in6_ifattach_linklocal+0x2a2 sys/netinet6/in6_ifattach.c:281
in6_ifattach(ffff800000ad4000) at in6_ifattach+0x1b8 sys/netinet6/in6_ifattach.c:401
ifnewlladdr(ffff800000ad4000) at ifnewlladdr+0x119 sys/net/if.c:3120
ifioctl(fffffd806aaff1a0,8020691f,ffff80001d7acd00,ffff80001d6c2d58) at ifioctl+0x1b2e sys/net/if.c:2196
sys_ioctl(ffff80001d6c2d58,ffff80001d7ace18,ffff80001d7ace60) at sys_ioctl+0x4a1
syscall(ffff80001d7acee0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x21b66827510, count: -20
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
Odgovori vsem
Odgovori avtorju
Posreduj
0 novih sporočil