protection_fault: tun_enqueue
0 views
Skip to first unread message
syzbot
May 21, 2022, 8:37:21 PM5/21/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: b46cfa51b3d3 Repair a leak of a FILE. The FILE contains a..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=154737c5f00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=5d417b710e00cb248338
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+5d417b...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at tun_enqueue+0x52: movl 0x6f4(%r15),%r12d
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
tun_enqueue(ffff800000d76800,fffffd805aba0300) at tun_enqueue+0x52 tun_wakeup sys/net/if_tun.c:656 [inline]
tun_enqueue(ffff800000d76800,fffffd805aba0300) at tun_enqueue+0x52 sys/net/if_tun.c:648
ether_output(ffff800000d76800,fffffd805aba0300,ffff800021194000,0) at ether_output+0xb7 sys/net/if_ethersubr.c:369
bpfwrite(41700,ffff800021194420,11) at bpfwrite+0x266 sys/net/bpf.c:663
spec_write(ffff800021194200) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd8066fe8e88,ffff800021194420,11,fffffd807f7d7e40) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd8066358c00,ffff800021194420,0) at vn_write+0x157 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000ffff6010,b,ffff800021194420,0,ffff800021194520) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_writev(ffff8000ffff6010,ffff8000211944c0,ffff800021194520) at sys_writev+0xa7 sys/kern/sys_generic.c:328
syscall(ffff800021194590) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021194590) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff4180, count: -10
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff800021193f80
rbx 0xfffffd805aba0300
rdx 0
rcx 0
rax 0xffff8000ffff6010
r8 0xffff800021193f98
r9 0
r10 0x886ab996b152d444
r11 0x406f7a42dda127cd
r12 0xffff800000d76ab0
r13 0xffff800021194000
r14 0
r15 0xdead0002dead4110
rip 0xffffffff81375ac2 tun_enqueue+0x52
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800021193f50
ss 0x10
tun_enqueue+0x52: movl 0x6f4(%r15),%r12d
ddb{0}> show proc
PROC (dhcpleased) pid=35562 stat=onproc
flags process=100012<EXEC,SUGID,PLEDGE> proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff7510,0xffff8000ffff77c0
process=0xffff8000ffffa998 user=0xffff80002118f000, vmspace=0xfffffd800874ab80
estcpu=0, cpticks=0, pctcpu=1.1
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
616 327909 81075 0 2 0 syz-executor.4
77283 481516 87663 0 2 0 syz-executor.1
77283 173494 87663 0 3 0x4000080 fsleep syz-executor.1
1383 489336 32987 0 2 0 syz-executor.3
1383 154129 32987 0 3 0x4000080 fsleep syz-executor.3
16017 59679 20277 0 2 0 syz-executor.0
25165 196545 14781 0 7 0 syz-executor.7
25165 357431 14781 0 2 0x4000000 syz-executor.7
79573 123383 85797 0 2 0 syz-executor.2
79573 200089 85797 0 2 0x4000000 syz-executor.2
21287 136557 88393 0 2 0 syz-executor.6
21287 191371 88393 0 3 0x4000080 fsleep syz-executor.6
21287 37518 88393 0 3 0x4000080 fsleep syz-executor.6
64390 99216 74468 0 2 0 syz-executor.5
64390 99553 74468 0 2 0x4000000 syz-executor.5
87663 174978 29718 0 3 0x82 nanoslp syz-executor.1
14781 157164 29718 0 3 0x82 nanoslp syz-executor.7
85797 429520 29718 0 3 0x82 nanoslp syz-executor.2
20277 213959 29718 0 3 0x82 nanoslp syz-executor.0
74468 336134 29718 0 2 0x2 syz-executor.5
90894 257875 0 0 3 0x14280 nfsidl nfsio
10280 163218 0 0 3 0x14280 nfsidl nfsio
7601 182876 0 0 3 0x14280 nfsidl nfsio
1595 321615 0 0 3 0x14280 nfsidl nfsio
28944 404313 0 0 3 0x14280 nfsidl nfsio
90760 105907 0 0 3 0x14280 nfsidl nfsio
39984 92051 0 0 3 0x14280 nfsidl nfsio
70501 305812 0 0 3 0x14280 nfsidl nfsio
44982 190413 0 0 3 0x14280 nfsidl nfsio
35521 508305 0 0 3 0x14280 nfsidl nfsio
59755 269882 0 0 3 0x14280 nfsidl nfsio
58619 359664 0 0 3 0x14280 nfsidl nfsio
74734 469914 0 0 3 0x14280 nfsidl nfsio
6009 487053 0 0 3 0x14280 nfsidl nfsio
21149 521676 0 0 3 0x14280 nfsidl nfsio
23546 316471 0 0 3 0x14280 nfsidl nfsio
39886 448888 0 0 3 0x14280 nfsidl nfsio
39720 209148 0 0 3 0x14280 nfsidl nfsio
45903 159818 0 0 3 0x14280 nfsidl nfsio
78030 50973 0 0 3 0x14280 nfsidl nfsio
32987 222603 29718 0 3 0x82 nanoslp syz-executor.3
88393 5102 29718 0 3 0x82 nanoslp syz-executor.6
94345 511836 0 0 3 0x14200 acct acct
34724 408949 0 0 3 0x14200 bored sosplice
81075 292630 29718 0 2 0x482 syz-executor.4
29718 52265 39198 0 3 0x82 kqread syz-fuzzer
29718 75164 39198 0 3 0x4000082 nanoslp syz-fuzzer
29718 455137 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 516433 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 127635 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 173408 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 459214 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 9447 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 473871 39198 0 3 0x4000082 thrsleep syz-fuzzer
39198 121860 35215 0 3 0x10008a sigsusp ksh
35215 216072 20428 0 3 0x9a kqread sshd
62364 492646 1 0 3 0x100083 ttyin getty
20428 425606 1 0 3 0x88 kqread sshd
17455 190558 34121 74 3 0x1100092 bpf pflogd
34121 303099 1 0 3 0x80 netio pflogd
38537 432267 749 73 3 0x1100090 kqread syslogd
749 188095 1 0 3 0x100082 netio syslogd
62611 95769 1 0 3 0x100080 kqread resolvd
* 7769 35562 16023 77 7 0x100012 dhcpleased
65663 163668 16023 77 3 0x100092 kqread dhcpleased
16023 100794 1 0 3 0x80 kqread dhcpleased
55903 508768 0 0 3 0x14200 bored smr
71480 30467 0 0 2 0x14200 zerothread
85479 212302 0 0 3 0x14200 aiodoned aiodoned
61775 102970 0 0 3 0x14200 syncer update
51834 48283 0 0 3 0x14200 cleaner cleaner
73541 264093 0 0 3 0x14200 reaper reaper
64293 430203 0 0 3 0x14200 pgdaemon pagedaemon
27484 195704 0 0 3 0x14200 bored viomb
85539 491011 0 0 3 0x40014200 acpi0 acpi0
35729 403941 0 0 3 0x40014200 idle1
89147 468034 0 0 3 0x14200 bored softnet
17735 364896 0 0 3 0x14200 bored softnet
43563 301602 0 0 3 0x14200 bored softnet
81614 318111 0 0 3 0x14200 bored softnet
59701 511777 0 0 3 0x14200 bored systqmp
5664 151478 0 0 3 0x14200 bored systq
47260 105436 0 0 3 0x40014200 bored softclock
75576 273863 0 0 3 0x40014200 idle0
1 19029 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 7769 (dhcpleased) thread 0xffff8000ffff6010 (35562)
exclusive rwlock netlock r = 0 (0xffffffff8290cd40)
#0 witness_lock+0x44d
#1 bpfwrite+0x24b sys/net/bpf.c:663
#2 spec_write+0xd4 sys/kern/spec_vnops.c:309
#3 VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
#4 vn_write+0x157 sys/kern/vfs_vnops.c:414
#5 dofilewritev+0x19c sys/kern/sys_generic.c:381
#6 sys_writev+0xa7 sys/kern/sys_generic.c:328
#7 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#7 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#8 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b3ee50)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416
#3 preempt+0x5a sys/kern/sched_bsd.c:310
#4 uiomove+0x1b4 sys/kern/kern_subr.c:80
#5 bpf_movein+0x2bc sys/net/bpf.c:236
#6 bpfwrite+0x175 sys/net/bpf.c:646
#7 spec_write+0xd4 sys/kern/spec_vnops.c:309
#8 VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
#9 vn_write+0x157 sys/kern/vfs_vnops.c:414
#10 dofilewritev+0x19c sys/kern/sys_generic.c:381
#11 sys_writev+0xa7 sys/kern/sys_generic.c:328
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10218 6514K 7306K 78643K 21163 0
pcb 15 15K 17K 78643K 765 0
rtable 183 11K 12K 78643K 2172 0
ifaddr 80 18K 21K 78643K 577 0
sysctl 2 0K 0K 78643K 2 0
counters 50 34K 35K 78643K 162 0
ioctlops 0 0K 8K 78643K 2458 0
iov 0 0K 16K 78643K 647 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1477 92K 93K 78643K 7308 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 328K 336K 78643K 58 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 776 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 18 65K 77K 78643K 5975 0
sigio 0 0K 0K 78643K 103 0
proc 72 91K 116K 78643K 1523 0
subproc 104 6K 7K 78643K 485 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 146 0
in_multi 66 4K 6K 78643K 545 0
ether_multi 1 0K 0K 78643K 42 0
mrt 1 0K 0K 78643K 39 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 199 890K 890K 78643K 199 0
exec 0 0K 2K 78643K 1723 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 359 432K 449K 78643K 37533 0
UVM aobj 238 10K 10K 78643K 243 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 189 0
NDP 11 0K 1K 78643K 147 0
temp 176 4832K 21178K 78643K 65532 0
kqueue 13 20K 26K 78643K 419 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 241 0 238 2 1 1 2 0 8 0
rtentry 112 509 0 441 4 0 4 4 0 8 0
unpcb 136 5573 0 5558 60 59 1 9 0 8 0
syncache 296 33 0 33 8 8 0 1 0 8 0
tcpqe 32 16 0 16 4 4 0 1 0 8 0
tcpcb 736 2232 0 2228 71 68 3 14 0 8 2
arp 120 77 0 65 1 0 1 1 0 8 0
inpcb 312 5248 0 5237 76 72 4 12 0 8 3
nd6 48 116 0 103 1 0 1 1 0 8 0
pkpcb 40 101 0 101 6 6 0 1 0 8 0
kcovpl 48 34 0 26 1 0 1 1 0 8 0
ppxss 1248 16 0 16 6 6 0 1 0 8 0
pfstscr 40 23 0 23 4 4 0 1 0 8 0
pffrag 232 19 0 18 1 0 1 1 0 482 0
pffrnode 88 19 0 18 1 0 1 1 0 8 0
pffrent 40 49 0 48 1 0 1 1 0 8 0
pfosfp 40 1431 0 1007 5 0 5 5 0 8 0
pfosfpen 112 1431 0 716 21 0 21 21 0 8 0
pfrktable 1344 336 0 325 3 2 1 2 0 8 0
pftag 88 10 0 2 1 0 1 1 0 8 0
pfstitem 24 74 0 72 1 0 1 1 0 8 0
pfstkey 112 106 0 104 2 1 1 2 0 8 0
pfstate 336 89 0 87 3 2 1 3 0 8 0
pfsrctr 152 13 0 13 2 1 1 1 0 8 1
pfrule 1360 264 0 236 8 5 3 3 0 8 0
rttmr 64 12 0 12 5 5 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 2227 0 1908 42 16 26 29 0 8 0
art_table 32 2228 0 1908 4 0 4 4 0 8 0
art_node 16 508 0 449 1 0 1 1 0 8 0
sysvmsgpl 40 20 0 8 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 769 0 759 1 0 1 1 0 8 0
shmpl 112 240 0 5 7 0 7 7 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 11691 0 10231 92 0 92 92 0 8 0
ffsino 272 11691 0 10231 98 0 98 98 0 8 0
nchpl 144 20186 0 18542 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 77699 0 77699 3 2 1 2 0 8 1
percpumem 16 93 0 56 1 0 1 1 0 8 0
vcpupl 2048 90 0 0 12 0 12 12 0 8 0
vmpool 560 100 0 10 8 1 7 7 0 8 0
pfiaddrpl 120 93 0 82 2 1 1 1 0 8 0
kstatmem 264 134 0 112 2 0 2 2 0 8 0
scsiplug 72 5 0 5 1 1 0 1 0 8 0
scxspl 216 50340 0 50340 19 18 1 8 0 8 1
plimitpl 152 1168 0 1153 1 0 1 1 0 8 0
sigapl 424 6249 0 6179 8 0 8 8 0 8 0
futexpl 64 51564 0 51560 1 0 1 1 0 8 0
knotepl 120 584 0 0 11 1 10 10 0 8 0
kqueuepl 216 1281 0 1272 27 26 1 5 0 8 0
pipepl 336 1406 0 1378 48 45 3 8 0 8 0
fdescpl 496 6210 0 6179 5 1 4 5 0 8 0
filepl 152 53655 0 53407 110 97 13 22 0 8 3
lockfpl 104 2005 0 2002 4 3 1 2 0 8 0
lockfspl 48 464 0 461 1 0 1 1 0 8 0
sessionpl 144 50 0 33 1 0 1 1 0 8 0
pgrppl 48 57 0 40 1 0 1 1 0 8 0
ucredpl 96 16757 0 16745 1 0 1 1 0 8 0
zombiepl 144 6179 0 6179 2 1 1 1 0 8 1
processpl 1064 6249 0 6179 5 0 5 5 0 8 0
procpl 672 17806 0 17721 17 9 8 9 0 8 0
srpgc 96 61 0 61 9 9 0 1 0 8 0
sosppl 168 48 0 48 8 7 1 1 0 8 1
sockpl 480 11177 0 11148 267 259 8 34 0 8 4
mcl64k 65536 27 0 0 3 1 2 3 0 8 0
mcl16k 16384 11 0 0 2 0 2 2 0 8 0
mcl12k 12288 25 0 0 2 0 2 2 0 8 0
mcl9k 9216 6 0 0 1 0 1 1 0 8 0
mcl8k 8192 25 0 0 4 1 3 3 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 200 0 0 19 0 19 19 0 8 0
mtagpl 96 606 0 0 13 0 13 13 0 8 0
mbufpl 256 2439 0 0 142 0 142 142 0 8 0
bufpl 288 12494 0 6162 453 0 453 453 0 8 0
anonpl 24 1223131 0 1204685 210 76 134 140 0 186 14
amapchunkpl 152 108688 0 107892 72 34 38 44 0 158 5
amappl16 200 16223 0 15636 101 69 32 45 0 8 0
amappl15 192 387 0 386 2 1 1 1 0 8 0
amappl14 184 460 0 456 1 0 1 1 0 8 0
amappl13 176 1667 0 1664 1 0 1 1 0 8 0
amappl12 168 943 0 936 1 0 1 1 0 8 0
amappl11 160 1179 0 1158 2 1 1 2 0 8 0
amappl10 152 778 0 772 1 0 1 1 0 8 0
amappl9 144 1201 0 1191 1 0 1 1 0 8 0
amappl8 136 1111 0 1028 3 0 3 3 0 8 0
amappl7 128 236 0 224 1 0 1 1 0 8 0
amappl6 120 1100 0 1077 2 1 1 2 0 8 0
amappl5 112 5474 0 5454 1 0 1 1 0 8 0
amappl4 104 2898 0 2862 3 2 1 2 0 8 0
amappl3 96 19309 0 19251 2 0 2 2 0 8 0
amappl2 88 8362 0 8296 3 1 2 3 0 8 0
amappl1 80 149754 0 149069 20 5 15 20 0 8 0
amappl 88 36521 0 36307 7 1 6 6 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 72 242 0 5 5 0 5 5 0 8 0
uaddrrnd 24 6310 0 6189 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 6310 0 6189 1 0 1 1 0 8 0
vmmpekpl 168 53133 0 53066 4 0 4 4 0 8 0
vmmpepl 168 613882 0 610800 240 104 136 152 0 357 1
vmsppl 368 6309 0 6189 12 1 11 11 0 8 0
rwobjpl 56 156553 0 148710 119 7 112 115 0 8 0
pdppl 4096 12627 0 12468 506 347 159 159 0 8 0
pvpl 32 2490537 0 2467995 395 152 243 248 0 265 48
pmappl 248 6309 0 6189 9 1 8 8 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1604 0 562 31 0 31 31 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
tun_enqueue(ffff800000d76800,fffffd805aba0300) at tun_enqueue+0x52 tun_wakeup sys/net/if_tun.c:656 [inline]
tun_enqueue(ffff800000d76800,fffffd805aba0300) at tun_enqueue+0x52 sys/net/if_tun.c:648
ether_output(ffff800000d76800,fffffd805aba0300,ffff800021194000,0) at ether_output+0xb7 sys/net/if_ethersubr.c:369
bpfwrite(41700,ffff800021194420,11) at bpfwrite+0x266 sys/net/bpf.c:663
spec_write(ffff800021194200) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd8066fe8e88,ffff800021194420,11,fffffd807f7d7e40) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd8066358c00,ffff800021194420,0) at vn_write+0x157 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000ffff6010,b,ffff800021194420,0,ffff800021194520) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_writev(ffff8000ffff6010,ffff8000211944c0,ffff800021194520) at sys_writev+0xa7 sys/kern/sys_generic.c:328
syscall(ffff800021194590) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021194590) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff4180, count: -10
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020cd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82b3ec48) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b3ec48) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff80002e19f230) at syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline]
syscall(ffff80002e19f230) at syscall+0x3ef sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffb5f0, count: -6
---
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: b46cfa51b3d3 Repair a leak of a FILE. The FILE contains a..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=154737c5f00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=5d417b710e00cb248338
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+5d417b...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at tun_enqueue+0x52: movl 0x6f4(%r15),%r12d
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
tun_enqueue(ffff800000d76800,fffffd805aba0300) at tun_enqueue+0x52 tun_wakeup sys/net/if_tun.c:656 [inline]
tun_enqueue(ffff800000d76800,fffffd805aba0300) at tun_enqueue+0x52 sys/net/if_tun.c:648
ether_output(ffff800000d76800,fffffd805aba0300,ffff800021194000,0) at ether_output+0xb7 sys/net/if_ethersubr.c:369
bpfwrite(41700,ffff800021194420,11) at bpfwrite+0x266 sys/net/bpf.c:663
spec_write(ffff800021194200) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd8066fe8e88,ffff800021194420,11,fffffd807f7d7e40) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd8066358c00,ffff800021194420,0) at vn_write+0x157 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000ffff6010,b,ffff800021194420,0,ffff800021194520) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_writev(ffff8000ffff6010,ffff8000211944c0,ffff800021194520) at sys_writev+0xa7 sys/kern/sys_generic.c:328
syscall(ffff800021194590) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021194590) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff4180, count: -10
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff800021193f80
rbx 0xfffffd805aba0300
rdx 0
rcx 0
rax 0xffff8000ffff6010
r8 0xffff800021193f98
r9 0
r10 0x886ab996b152d444
r11 0x406f7a42dda127cd
r12 0xffff800000d76ab0
r13 0xffff800021194000
r14 0
r15 0xdead0002dead4110
rip 0xffffffff81375ac2 tun_enqueue+0x52
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800021193f50
ss 0x10
tun_enqueue+0x52: movl 0x6f4(%r15),%r12d
ddb{0}> show proc
PROC (dhcpleased) pid=35562 stat=onproc
flags process=100012<EXEC,SUGID,PLEDGE> proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff7510,0xffff8000ffff77c0
process=0xffff8000ffffa998 user=0xffff80002118f000, vmspace=0xfffffd800874ab80
estcpu=0, cpticks=0, pctcpu=1.1
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
616 327909 81075 0 2 0 syz-executor.4
77283 481516 87663 0 2 0 syz-executor.1
77283 173494 87663 0 3 0x4000080 fsleep syz-executor.1
1383 489336 32987 0 2 0 syz-executor.3
1383 154129 32987 0 3 0x4000080 fsleep syz-executor.3
16017 59679 20277 0 2 0 syz-executor.0
25165 196545 14781 0 7 0 syz-executor.7
25165 357431 14781 0 2 0x4000000 syz-executor.7
79573 123383 85797 0 2 0 syz-executor.2
79573 200089 85797 0 2 0x4000000 syz-executor.2
21287 136557 88393 0 2 0 syz-executor.6
21287 191371 88393 0 3 0x4000080 fsleep syz-executor.6
21287 37518 88393 0 3 0x4000080 fsleep syz-executor.6
64390 99216 74468 0 2 0 syz-executor.5
64390 99553 74468 0 2 0x4000000 syz-executor.5
87663 174978 29718 0 3 0x82 nanoslp syz-executor.1
14781 157164 29718 0 3 0x82 nanoslp syz-executor.7
85797 429520 29718 0 3 0x82 nanoslp syz-executor.2
20277 213959 29718 0 3 0x82 nanoslp syz-executor.0
74468 336134 29718 0 2 0x2 syz-executor.5
90894 257875 0 0 3 0x14280 nfsidl nfsio
10280 163218 0 0 3 0x14280 nfsidl nfsio
7601 182876 0 0 3 0x14280 nfsidl nfsio
1595 321615 0 0 3 0x14280 nfsidl nfsio
28944 404313 0 0 3 0x14280 nfsidl nfsio
90760 105907 0 0 3 0x14280 nfsidl nfsio
39984 92051 0 0 3 0x14280 nfsidl nfsio
70501 305812 0 0 3 0x14280 nfsidl nfsio
44982 190413 0 0 3 0x14280 nfsidl nfsio
35521 508305 0 0 3 0x14280 nfsidl nfsio
59755 269882 0 0 3 0x14280 nfsidl nfsio
58619 359664 0 0 3 0x14280 nfsidl nfsio
74734 469914 0 0 3 0x14280 nfsidl nfsio
6009 487053 0 0 3 0x14280 nfsidl nfsio
21149 521676 0 0 3 0x14280 nfsidl nfsio
23546 316471 0 0 3 0x14280 nfsidl nfsio
39886 448888 0 0 3 0x14280 nfsidl nfsio
39720 209148 0 0 3 0x14280 nfsidl nfsio
45903 159818 0 0 3 0x14280 nfsidl nfsio
78030 50973 0 0 3 0x14280 nfsidl nfsio
32987 222603 29718 0 3 0x82 nanoslp syz-executor.3
88393 5102 29718 0 3 0x82 nanoslp syz-executor.6
94345 511836 0 0 3 0x14200 acct acct
34724 408949 0 0 3 0x14200 bored sosplice
81075 292630 29718 0 2 0x482 syz-executor.4
29718 52265 39198 0 3 0x82 kqread syz-fuzzer
29718 75164 39198 0 3 0x4000082 nanoslp syz-fuzzer
29718 455137 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 516433 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 127635 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 173408 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 459214 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 9447 39198 0 3 0x4000082 thrsleep syz-fuzzer
29718 473871 39198 0 3 0x4000082 thrsleep syz-fuzzer
39198 121860 35215 0 3 0x10008a sigsusp ksh
35215 216072 20428 0 3 0x9a kqread sshd
62364 492646 1 0 3 0x100083 ttyin getty
20428 425606 1 0 3 0x88 kqread sshd
17455 190558 34121 74 3 0x1100092 bpf pflogd
34121 303099 1 0 3 0x80 netio pflogd
38537 432267 749 73 3 0x1100090 kqread syslogd
749 188095 1 0 3 0x100082 netio syslogd
62611 95769 1 0 3 0x100080 kqread resolvd
* 7769 35562 16023 77 7 0x100012 dhcpleased
65663 163668 16023 77 3 0x100092 kqread dhcpleased
16023 100794 1 0 3 0x80 kqread dhcpleased
55903 508768 0 0 3 0x14200 bored smr
71480 30467 0 0 2 0x14200 zerothread
85479 212302 0 0 3 0x14200 aiodoned aiodoned
61775 102970 0 0 3 0x14200 syncer update
51834 48283 0 0 3 0x14200 cleaner cleaner
73541 264093 0 0 3 0x14200 reaper reaper
64293 430203 0 0 3 0x14200 pgdaemon pagedaemon
27484 195704 0 0 3 0x14200 bored viomb
85539 491011 0 0 3 0x40014200 acpi0 acpi0
35729 403941 0 0 3 0x40014200 idle1
89147 468034 0 0 3 0x14200 bored softnet
17735 364896 0 0 3 0x14200 bored softnet
43563 301602 0 0 3 0x14200 bored softnet
81614 318111 0 0 3 0x14200 bored softnet
59701 511777 0 0 3 0x14200 bored systqmp
5664 151478 0 0 3 0x14200 bored systq
47260 105436 0 0 3 0x40014200 bored softclock
75576 273863 0 0 3 0x40014200 idle0
1 19029 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 7769 (dhcpleased) thread 0xffff8000ffff6010 (35562)
exclusive rwlock netlock r = 0 (0xffffffff8290cd40)
#0 witness_lock+0x44d
#1 bpfwrite+0x24b sys/net/bpf.c:663
#2 spec_write+0xd4 sys/kern/spec_vnops.c:309
#3 VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
#4 vn_write+0x157 sys/kern/vfs_vnops.c:414
#5 dofilewritev+0x19c sys/kern/sys_generic.c:381
#6 sys_writev+0xa7 sys/kern/sys_generic.c:328
#7 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#7 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#8 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b3ee50)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416
#3 preempt+0x5a sys/kern/sched_bsd.c:310
#4 uiomove+0x1b4 sys/kern/kern_subr.c:80
#5 bpf_movein+0x2bc sys/net/bpf.c:236
#6 bpfwrite+0x175 sys/net/bpf.c:646
#7 spec_write+0xd4 sys/kern/spec_vnops.c:309
#8 VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
#9 vn_write+0x157 sys/kern/vfs_vnops.c:414
#10 dofilewritev+0x19c sys/kern/sys_generic.c:381
#11 sys_writev+0xa7 sys/kern/sys_generic.c:328
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10218 6514K 7306K 78643K 21163 0
pcb 15 15K 17K 78643K 765 0
rtable 183 11K 12K 78643K 2172 0
ifaddr 80 18K 21K 78643K 577 0
sysctl 2 0K 0K 78643K 2 0
counters 50 34K 35K 78643K 162 0
ioctlops 0 0K 8K 78643K 2458 0
iov 0 0K 16K 78643K 647 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1477 92K 93K 78643K 7308 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 328K 336K 78643K 58 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 776 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 18 65K 77K 78643K 5975 0
sigio 0 0K 0K 78643K 103 0
proc 72 91K 116K 78643K 1523 0
subproc 104 6K 7K 78643K 485 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 146 0
in_multi 66 4K 6K 78643K 545 0
ether_multi 1 0K 0K 78643K 42 0
mrt 1 0K 0K 78643K 39 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 199 890K 890K 78643K 199 0
exec 0 0K 2K 78643K 1723 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 359 432K 449K 78643K 37533 0
UVM aobj 238 10K 10K 78643K 243 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 189 0
NDP 11 0K 1K 78643K 147 0
temp 176 4832K 21178K 78643K 65532 0
kqueue 13 20K 26K 78643K 419 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 241 0 238 2 1 1 2 0 8 0
rtentry 112 509 0 441 4 0 4 4 0 8 0
unpcb 136 5573 0 5558 60 59 1 9 0 8 0
syncache 296 33 0 33 8 8 0 1 0 8 0
tcpqe 32 16 0 16 4 4 0 1 0 8 0
tcpcb 736 2232 0 2228 71 68 3 14 0 8 2
arp 120 77 0 65 1 0 1 1 0 8 0
inpcb 312 5248 0 5237 76 72 4 12 0 8 3
nd6 48 116 0 103 1 0 1 1 0 8 0
pkpcb 40 101 0 101 6 6 0 1 0 8 0
kcovpl 48 34 0 26 1 0 1 1 0 8 0
ppxss 1248 16 0 16 6 6 0 1 0 8 0
pfstscr 40 23 0 23 4 4 0 1 0 8 0
pffrag 232 19 0 18 1 0 1 1 0 482 0
pffrnode 88 19 0 18 1 0 1 1 0 8 0
pffrent 40 49 0 48 1 0 1 1 0 8 0
pfosfp 40 1431 0 1007 5 0 5 5 0 8 0
pfosfpen 112 1431 0 716 21 0 21 21 0 8 0
pfrktable 1344 336 0 325 3 2 1 2 0 8 0
pftag 88 10 0 2 1 0 1 1 0 8 0
pfstitem 24 74 0 72 1 0 1 1 0 8 0
pfstkey 112 106 0 104 2 1 1 2 0 8 0
pfstate 336 89 0 87 3 2 1 3 0 8 0
pfsrctr 152 13 0 13 2 1 1 1 0 8 1
pfrule 1360 264 0 236 8 5 3 3 0 8 0
rttmr 64 12 0 12 5 5 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 2227 0 1908 42 16 26 29 0 8 0
art_table 32 2228 0 1908 4 0 4 4 0 8 0
art_node 16 508 0 449 1 0 1 1 0 8 0
sysvmsgpl 40 20 0 8 1 0 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 769 0 759 1 0 1 1 0 8 0
shmpl 112 240 0 5 7 0 7 7 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 11691 0 10231 92 0 92 92 0 8 0
ffsino 272 11691 0 10231 98 0 98 98 0 8 0
nchpl 144 20186 0 18542 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 77699 0 77699 3 2 1 2 0 8 1
percpumem 16 93 0 56 1 0 1 1 0 8 0
vcpupl 2048 90 0 0 12 0 12 12 0 8 0
vmpool 560 100 0 10 8 1 7 7 0 8 0
pfiaddrpl 120 93 0 82 2 1 1 1 0 8 0
kstatmem 264 134 0 112 2 0 2 2 0 8 0
scsiplug 72 5 0 5 1 1 0 1 0 8 0
scxspl 216 50340 0 50340 19 18 1 8 0 8 1
plimitpl 152 1168 0 1153 1 0 1 1 0 8 0
sigapl 424 6249 0 6179 8 0 8 8 0 8 0
futexpl 64 51564 0 51560 1 0 1 1 0 8 0
knotepl 120 584 0 0 11 1 10 10 0 8 0
kqueuepl 216 1281 0 1272 27 26 1 5 0 8 0
pipepl 336 1406 0 1378 48 45 3 8 0 8 0
fdescpl 496 6210 0 6179 5 1 4 5 0 8 0
filepl 152 53655 0 53407 110 97 13 22 0 8 3
lockfpl 104 2005 0 2002 4 3 1 2 0 8 0
lockfspl 48 464 0 461 1 0 1 1 0 8 0
sessionpl 144 50 0 33 1 0 1 1 0 8 0
pgrppl 48 57 0 40 1 0 1 1 0 8 0
ucredpl 96 16757 0 16745 1 0 1 1 0 8 0
zombiepl 144 6179 0 6179 2 1 1 1 0 8 1
processpl 1064 6249 0 6179 5 0 5 5 0 8 0
procpl 672 17806 0 17721 17 9 8 9 0 8 0
srpgc 96 61 0 61 9 9 0 1 0 8 0
sosppl 168 48 0 48 8 7 1 1 0 8 1
sockpl 480 11177 0 11148 267 259 8 34 0 8 4
mcl64k 65536 27 0 0 3 1 2 3 0 8 0
mcl16k 16384 11 0 0 2 0 2 2 0 8 0
mcl12k 12288 25 0 0 2 0 2 2 0 8 0
mcl9k 9216 6 0 0 1 0 1 1 0 8 0
mcl8k 8192 25 0 0 4 1 3 3 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 200 0 0 19 0 19 19 0 8 0
mtagpl 96 606 0 0 13 0 13 13 0 8 0
mbufpl 256 2439 0 0 142 0 142 142 0 8 0
bufpl 288 12494 0 6162 453 0 453 453 0 8 0
anonpl 24 1223131 0 1204685 210 76 134 140 0 186 14
amapchunkpl 152 108688 0 107892 72 34 38 44 0 158 5
amappl16 200 16223 0 15636 101 69 32 45 0 8 0
amappl15 192 387 0 386 2 1 1 1 0 8 0
amappl14 184 460 0 456 1 0 1 1 0 8 0
amappl13 176 1667 0 1664 1 0 1 1 0 8 0
amappl12 168 943 0 936 1 0 1 1 0 8 0
amappl11 160 1179 0 1158 2 1 1 2 0 8 0
amappl10 152 778 0 772 1 0 1 1 0 8 0
amappl9 144 1201 0 1191 1 0 1 1 0 8 0
amappl8 136 1111 0 1028 3 0 3 3 0 8 0
amappl7 128 236 0 224 1 0 1 1 0 8 0
amappl6 120 1100 0 1077 2 1 1 2 0 8 0
amappl5 112 5474 0 5454 1 0 1 1 0 8 0
amappl4 104 2898 0 2862 3 2 1 2 0 8 0
amappl3 96 19309 0 19251 2 0 2 2 0 8 0
amappl2 88 8362 0 8296 3 1 2 3 0 8 0
amappl1 80 149754 0 149069 20 5 15 20 0 8 0
amappl 88 36521 0 36307 7 1 6 6 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 72 242 0 5 5 0 5 5 0 8 0
uaddrrnd 24 6310 0 6189 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 6310 0 6189 1 0 1 1 0 8 0
vmmpekpl 168 53133 0 53066 4 0 4 4 0 8 0
vmmpepl 168 613882 0 610800 240 104 136 152 0 357 1
vmsppl 368 6309 0 6189 12 1 11 11 0 8 0
rwobjpl 56 156553 0 148710 119 7 112 115 0 8 0
pdppl 4096 12627 0 12468 506 347 159 159 0 8 0
pvpl 32 2490537 0 2467995 395 152 243 248 0 265 48
pmappl 248 6309 0 6189 9 1 8 8 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1604 0 562 31 0 31 31 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
tun_enqueue(ffff800000d76800,fffffd805aba0300) at tun_enqueue+0x52 tun_wakeup sys/net/if_tun.c:656 [inline]
tun_enqueue(ffff800000d76800,fffffd805aba0300) at tun_enqueue+0x52 sys/net/if_tun.c:648
ether_output(ffff800000d76800,fffffd805aba0300,ffff800021194000,0) at ether_output+0xb7 sys/net/if_ethersubr.c:369
bpfwrite(41700,ffff800021194420,11) at bpfwrite+0x266 sys/net/bpf.c:663
spec_write(ffff800021194200) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd8066fe8e88,ffff800021194420,11,fffffd807f7d7e40) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd8066358c00,ffff800021194420,0) at vn_write+0x157 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000ffff6010,b,ffff800021194420,0,ffff800021194520) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_writev(ffff8000ffff6010,ffff8000211944c0,ffff800021194520) at sys_writev+0xa7 sys/kern/sys_generic.c:328
syscall(ffff800021194590) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021194590) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff4180, count: -10
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020cd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82b3ec48) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b3ec48) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff80002e19f230) at syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline]
syscall(ffff80002e19f230) at syscall+0x3ef sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffb5f0, count: -6
---
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
Aug 19, 2022, 8:37:20 PM8/19/22
to syzkaller-o...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
Reply all
Reply to author
Forward
0 new messages