uvm_fault: rw_enter (2)
1 view
Skip to first unread message
syzbot
Oct 25, 2023, 10:56:55 AM10/25/23
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 77679933cb53 okay, that one ought to work. Recognize + onl..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=13108d5d680000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=1fd59adcf6e3aaf85383
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/790ee5a4a548/disk-77679933.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/f6e08cbebd02/bsd-77679933.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/db2913a4de4c/kernel-77679933.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+1fd59a...@syzkaller.appspotmail.com
uvm_fault(0xfffffd806409e5d8, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at rw_enter+0xf0: movq 0(%r14),%r13
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*418438 2417 0 0 0x4000000 0 syz-executor.6
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:253
uvm_vnp_terminate(fffffd807e45ec08) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428
vclean(fffffd807e45ec08,8,ffff8000216d22b0) at vclean+0x10a sys/kern/vfs_subr.c:1063
vgonel(fffffd807e45ec08,ffff8000216d22b0) at vgonel+0x7d sys/kern/vfs_subr.c:1175
checkalias(fffffd807e684468,6b1700,0) at checkalias+0x13c
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline]
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c sys/kern/vfs_subr.c:507
spec_open_clone(ffff80002800c7b8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:714
spec_open(ffff80002800c7b8) at spec_open+0x401 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd8075185a50,63,fffffd807f7d7548,ffff8000216d22b0) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002800ca08,63,0) at vn_open+0x452 sys/kern/vfs_vnops.c:177
doopenat(ffff8000216d22b0,ffffff9c,20000040,462,0,ffff80002800cbe0) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126
syscall(ffff80002800cc60) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x307bc748010, count: 2
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: uvm_fault(0xfffffd806409e5d8, 0x0, 0, 1) -> e
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:253
uvm_vnp_terminate(fffffd807e45ec08) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428
vclean(fffffd807e45ec08,8,ffff8000216d22b0) at vclean+0x10a sys/kern/vfs_subr.c:1063
vgonel(fffffd807e45ec08,ffff8000216d22b0) at vgonel+0x7d sys/kern/vfs_subr.c:1175
checkalias(fffffd807e684468,6b1700,0) at checkalias+0x13c
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline]
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c sys/kern/vfs_subr.c:507
spec_open_clone(ffff80002800c7b8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:714
spec_open(ffff80002800c7b8) at spec_open+0x401 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd8075185a50,63,fffffd807f7d7548,ffff8000216d22b0) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002800ca08,63,0) at vn_open+0x452 sys/kern/vfs_vnops.c:177
doopenat(ffff8000216d22b0,ffffff9c,20000040,462,0,ffff80002800cbe0) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126
syscall(ffff80002800cc60) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x307bc748010, count: -13
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002800c4e0
rbx 0x5
rdx 0
rcx 0xffff8000216d22b4
rax 0xffff8000216d22b0
r8 0x50
r9 0xfffffd807f7d7548
r10 0x34556cd1797b77c0
r11 0x590205f6731a2d76
r12 0xffffffffffffffff
r13 0x1
r14 0
r15 0
rip 0xffffffff8173ff40 rw_enter+0xf0
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002800c460
ss 0x10
rw_enter+0xf0: movq 0(%r14),%r13
ddb> show proc
PROC (syz-executor.6) tid=418438 pid=2417 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff8000216d2800,0xffff8000216d1028
process=0xffff800021704bd0 user=0xffff800028007000, vmspace=0xfffffd806409e5d8
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
26646 91279 8357 0 2 0 syz-executor.5
2417 76341 32068 0 2 0 syz-executor.6
2417 361064 32068 0 2 0x4000000 syz-executor.6
* 2417 418438 32068 0 7 0x4000000 syz-executor.6
2417 489068 32068 0 3 0x4000080 fsleep syz-executor.6
52803 216056 72046 0 2 0x2 syz-executor.7
56272 31113 72046 0 2 0x2 syz-executor.0
32068 46947 72046 0 3 0x82 nanoslp syz-executor.6
17845 509703 0 0 3 0x14280 nfsidl nfsio
57902 472373 0 0 3 0x14280 nfsidl nfsio
56006 103657 0 0 3 0x14280 nfsidl nfsio
42517 163525 0 0 3 0x14280 nfsidl nfsio
46348 199687 0 0 3 0x14280 nfsidl nfsio
97146 291822 0 0 3 0x14280 nfsidl nfsio
85784 314930 0 0 3 0x14280 nfsidl nfsio
43797 272048 0 0 3 0x14280 nfsidl nfsio
72765 190740 0 0 3 0x14280 nfsidl nfsio
5320 25088 0 0 3 0x14280 nfsidl nfsio
21382 415256 0 0 3 0x14280 nfsidl nfsio
23862 24629 0 0 3 0x14280 nfsidl nfsio
12889 169090 0 0 3 0x14280 nfsidl nfsio
444 296451 0 0 3 0x14280 nfsidl nfsio
65306 250514 0 0 3 0x14280 nfsidl nfsio
71300 114458 0 0 3 0x14280 nfsidl nfsio
30308 454118 0 0 3 0x14280 nfsidl nfsio
98162 500092 0 0 3 0x14280 nfsidl nfsio
7480 392496 0 0 3 0x14280 nfsidl nfsio
91816 251581 0 0 3 0x14280 nfsidl nfsio
47259 340510 72046 0 2 0x2 syz-executor.4
34707 32247 0 0 3 0x14200 bored sosplice
8357 232610 72046 0 3 0x82 nanoslp syz-executor.5
38156 389851 72046 0 2 0x2 syz-executor.3
21410 117002 72046 0 2 0x2 syz-executor.2
2250 23483 72046 0 2 0x2 syz-executor.1
72046 80914 78301 0 3 0x2000082 wait syz-fuzzer
72046 136162 78301 0 3 0x6000082 nanoslp syz-fuzzer
72046 237057 78301 0 3 0x6000082 wait syz-fuzzer
72046 376746 78301 0 3 0x6000082 thrsleep syz-fuzzer
72046 314875 78301 0 3 0x6000082 wait syz-fuzzer
72046 401818 78301 0 3 0x6000082 wait syz-fuzzer
72046 421560 78301 0 3 0x6000082 thrsleep syz-fuzzer
72046 386057 78301 0 3 0x6000082 wait syz-fuzzer
72046 263934 78301 0 3 0x6000082 wait syz-fuzzer
72046 364116 78301 0 3 0x6000082 thrsleep syz-fuzzer
72046 352413 78301 0 3 0x6000082 thrsleep syz-fuzzer
72046 108074 78301 0 3 0x6000082 wait syz-fuzzer
72046 37161 78301 0 3 0x6000082 kqread syz-fuzzer
72046 107034 78301 0 3 0x6000082 wait syz-fuzzer
78301 149693 86769 0 3 0x10008a sigsusp ksh
86769 14943 50254 0 3 0x9a kqread sshd
23437 330392 1 0 3 0x100083 ttyopn getty
50254 219998 1 0 3 0x88 kqread sshd
7193 475384 44877 73 3 0x1100090 kqread syslogd
44877 21362 1 0 3 0x100082 netio syslogd
91027 135476 1 0 3 0x100080 kqread resolvd
33177 490200 9847 77 3 0x100092 kqread dhcpleased
13310 59182 9847 77 3 0x100092 kqread dhcpleased
9847 216603 1 0 3 0x80 kqread dhcpleased
50170 180409 0 0 3 0x14200 bored smr
46425 239220 0 0 2 0x14200 zerothread
75161 100738 0 0 3 0x14200 aiodoned aiodoned
45113 40127 0 0 3 0x14200 syncer update
10149 292212 0 0 3 0x14200 cleaner cleaner
44458 288779 0 0 3 0x14200 reaper reaper
86562 268834 0 0 3 0x14200 pgdaemon pagedaemon
69327 279696 0 0 3 0x14200 bored viomb
14940 330578 0 0 3 0x40014200 acpi0 acpi0
50825 186412 0 0 3 0x14200 bored softnet3
82917 296917 0 0 3 0x14200 bored softnet2
24129 372207 0 0 3 0x14200 bored softnet1
70556 279420 0 0 3 0x14200 bored softnet0
83499 486383 0 0 3 0x14200 bored systqmp
12709 59898 0 0 3 0x14200 bored systq
14046 208124 0 0 2 0x40014200 softclock
67251 319700 0 0 3 0x40014200 idle0
1 483939 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 10421 6667K 7998K 78643K 35332 0
pcb 13 13K 15K 78643K 280 0
rtable 239 7K 7K 78643K 625 0
pf 29 8K 9K 78643K 75 0
ifaddr 43 11K 11K 78643K 87 0
ifgroup 50 2K 2K 78643K 126 0
sysctl 2 0K 0K 78643K 6 0
counters 28 17K 17K 78643K 47 0
ioctlops 0 0K 2K 78643K 1140 0
iov 0 0K 16K 78643K 195 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1541 96K 96K 78643K 8326 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 17K 78643K 85 0
VM map 2 1K 1K 78643K 2 0
sem 11 1K 1K 78643K 16 0
dirhash 12 2K 3K 78643K 39 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 12 41K 65K 78643K 7221 0
sigio 0 0K 0K 78643K 372 0
proc 58 59K 83K 78643K 792 0
subproc 104 6K 6K 78643K 195 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 100 0
in_multi 99 7K 7K 78643K 229 0
ether_multi 1 0K 0K 78643K 8 0
mrt 1 0K 0K 78643K 7 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 79 360K 360K 78643K 79 0
exec 0 0K 1K 78643K 837 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 332 110K 117K 78643K 64980 0
UVM aobj 131 6K 7K 78643K 142 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 78 0
NDP 11 0K 2K 78643K 60 0
temp 74 5916K 6044K 78643K 74038 0
kqueue 12 18K 26K 78643K 702 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 120 111 0 108 1 0 1 1 0 8 0
rtentry 112 196 0 85 4 0 4 4 0 8 0
unpcb 144 2667 0 2654 35 34 1 10 0 8 0
syncache 304 62 0 62 6 6 0 1 0 8 0
tcpqe 32 176 0 176 5 5 0 1 0 8 0
tcpcb 808 650 0 642 17 14 3 16 0 8 0
arp 88 33 0 15 1 0 1 1 0 8 0
ipq 40 6 0 6 2 2 0 1 0 8 0
ipqe 40 17 0 17 2 2 0 1 0 8 0
inpcb 336 1404 0 1393 22 19 3 14 0 8 0
nd6 104 48 0 23 1 0 1 1 0 8 0
pkpcb 40 3 0 3 2 2 0 1 0 8 0
kcovpl 48 15 0 7 1 0 1 1 0 8 0
ppxss 1160 4 0 4 2 2 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 775 0 318 29 0 29 29 0 8 0
art_table 32 776 0 318 4 0 4 4 0 8 0
art_node 16 191 0 90 1 0 1 1 0 8 0
sysvmsgpl 40 25 0 25 3 3 0 1 0 8 0
semupl 112 6 0 6 1 1 0 1 0 8 0
semapl 112 9 0 0 1 0 1 1 0 8 0
shmpl 112 139 0 11 4 0 4 4 0 8 0
dirhash 1024 35 0 18 3 0 3 3 0 8 0
dino2pl 256 10972 0 9512 92 0 92 92 0 8 0
ffsino 240 10973 0 9512 87 0 87 87 0 8 0
nchpl 144 20811 0 19172 63 0 63 63 0 8 0
uvmvnodes 80 16969 0 0 347 0 347 347 0 8 0
uvmvnodes: pool(0xffffffff82d49340:uvmvnodes): page inconsistency: page 0x0; at page head addr 0xfffffd805c9a2f90 (p 0xfffffd805c9a2000)
vnodes 216 16969 0 0 943 0 943 943 0 8 0
namei 1024 70179 0 70174 7 6 1 3 0 8 0
vcpupl 2048 22 0 3 3 0 3 3 0 8 0
vmpool 664 30 0 11 2 0 2 2 0 8 0
kstatmem 264 60 0 38 2 0 2 2 0 8 0
scxspl 216 62111 0 62111 17 16 1 8 1 8 1
plimitpl 152 302 0 287 1 0 1 1 0 8 0
sigapl 424 7528 0 7468 8 0 8 8 0 8 0
futexpl 64 53666 0 53665 2 1 1 1 0 8 0
knotepl 120 218671 0 218591 48 40 8 14 0 8 4
kqueuepl 184 894 0 821 5 1 4 4 0 8 0
pipepl 288 1640 0 1612 31 28 3 10 0 8 0
fdescpl 432 7491 0 7468 4 0 4 4 0 8 0
filepl 120 44462 0 44056 77 64 13 19 0 8 0
lockfpl 104 8051 0 7978 19 17 2 5 0 8 0
lockfspl 48 3755 0 3682 7 6 1 3 0 8 0
sessionpl 144 30 0 14 1 0 1 1 0 8 0
pgrppl 48 42 0 26 1 0 1 1 0 8 0
ucredpl 104 5982 0 5972 1 0 1 1 0 8 0
zombiepl 144 7468 0 7468 1 0 1 1 0 8 1
processpl 1008 7528 0 7468 10 1 9 9 0 8 0
procpl 680 16529 0 16453 14 6 8 9 0 8 0
sosppl 168 26 0 26 3 3 0 1 0 8 0
sockpl 456 4186 0 4159 131 126 5 52 0 8 0
mcl64k 65536 126 0 126 15 15 0 1 0 8 0
mcl16k 16384 41 0 41 11 11 0 1 0 8 0
mcl12k 12288 128 0 128 13 13 0 1 0 8 0
mcl9k 9216 40 0 40 13 13 0 1 0 8 0
mcl8k 8192 298 0 298 14 14 0 1 0 8 0
mcl4k 4096 568 0 568 14 13 1 1 0 8 1
mcl2k2 2112 27 0 27 12 12 0 1 0 8 0
mcl2k 2048 74026 0 73879 66 46 20 35 0 8 0
mtagpl 96 4882 0 3010 47 1 46 46 0 8 0
mbufpl 256 162798 0 160774 244 116 128 128 0 8 0
bufpl 288 15074 0 8670 458 0 458 458 0 8 0
anonpl 24 718639 0 705568 126 41 85 104 0 188 0
amapchunkpl 152 206297 0 205589 75 41 34 45 0 158 1
amappl16 200 13933 0 13495 47 22 25 36 0 8 0
amappl15 192 22 0 21 1 0 1 1 0 8 0
amappl14 184 175 0 163 2 1 1 2 0 8 0
amappl13 176 14 0 14 1 1 0 1 0 8 0
amappl12 168 8221 0 8196 2 0 2 2 0 8 0
amappl11 160 97 0 86 1 0 1 1 0 8 0
amappl10 152 40 0 30 1 0 1 1 0 8 0
amappl9 144 171 0 168 1 0 1 1 0 8 0
amappl8 136 280 0 208 3 0 3 3 0 8 0
amappl7 128 72 0 60 1 0 1 1 0 8 0
amappl6 120 295 0 277 2 1 1 2 0 8 0
amappl5 112 239 0 231 1 0 1 1 0 8 0
amappl4 104 617 0 575 2 0 2 2 0 8 0
amappl3 96 41617 0 41559 12 9 3 3 0 8 1
amappl2 88 7831 0 7773 3 1 2 3 0 8 0
amappl1 80 34566 0 34071 22 10 12 22 0 8 0
amappl 88 64299 0 64114 6 0 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 72 141 0 11 3 0 3 3 0 8 0
uaddrrnd 24 7521 0 7479 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 7521 0 7479 1 0 1 1 0 8 0
vmmpekpl 168 51314 0 51261 3 0 3 3 0 8 0
vmmpepl 168 436299 0 434273 192 89 103 126 0 357 2
vmsppl 368 7520 0 7479 5 0 5 5 0 8 0
rwobjpl 24 114660 0 96149 113 1 112 112 0 8 0
pdppl 4096 15048 0 14977 421 340 81 85 0 8 10
pvpl 32 2090409 0 2072105 387 230 157 358 0 265 0
pmappl 216 7520 0 7479 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1557 0 630 27 0 27 27 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:253
uvm_vnp_terminate(fffffd807e45ec08) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428
vclean(fffffd807e45ec08,8,ffff8000216d22b0) at vclean+0x10a sys/kern/vfs_subr.c:1063
vgonel(fffffd807e45ec08,ffff8000216d22b0) at vgonel+0x7d sys/kern/vfs_subr.c:1175
checkalias(fffffd807e684468,6b1700,0) at checkalias+0x13c
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline]
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c sys/kern/vfs_subr.c:507
spec_open_clone(ffff80002800c7b8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:714
spec_open(ffff80002800c7b8) at spec_open+0x401 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd8075185a50,63,fffffd807f7d7548,ffff8000216d22b0) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002800ca08,63,0) at vn_open+0x452 sys/kern/vfs_vnops.c:177
doopenat(ffff8000216d22b0,ffffff9c,20000040,462,0,ffff80002800cbe0) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126
syscall(ffff80002800cc60) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x307bc748010, count: -13
ddb> machine ddbcpu 1
No such command
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:253
uvm_vnp_terminate(fffffd807e45ec08) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428
vclean(fffffd807e45ec08,8,ffff8000216d22b0) at vclean+0x10a sys/kern/vfs_subr.c:1063
vgonel(fffffd807e45ec08,ffff8000216d22b0) at vgonel+0x7d sys/kern/vfs_subr.c:1175
checkalias(fffffd807e684468,6b1700,0) at checkalias+0x13c
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline]
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c sys/kern/vfs_subr.c:507
spec_open_clone(ffff80002800c7b8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:714
spec_open(ffff80002800c7b8) at spec_open+0x401 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd8075185a50,63,fffffd807f7d7548,ffff8000216d22b0) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002800ca08,63,0) at vn_open+0x452 sys/kern/vfs_vnops.c:177
doopenat(ffff8000216d22b0,ffffff9c,20000040,462,0,ffff80002800cbe0) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126
syscall(ffff80002800cc60) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x307bc748010, count: -13
---
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.
If the bug is already fixed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 77679933cb53 okay, that one ought to work. Recognize + onl..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=13108d5d680000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=1fd59adcf6e3aaf85383
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/790ee5a4a548/disk-77679933.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/f6e08cbebd02/bsd-77679933.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/db2913a4de4c/kernel-77679933.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+1fd59a...@syzkaller.appspotmail.com
uvm_fault(0xfffffd806409e5d8, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at rw_enter+0xf0: movq 0(%r14),%r13
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*418438 2417 0 0 0x4000000 0 syz-executor.6
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:253
uvm_vnp_terminate(fffffd807e45ec08) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428
vclean(fffffd807e45ec08,8,ffff8000216d22b0) at vclean+0x10a sys/kern/vfs_subr.c:1063
vgonel(fffffd807e45ec08,ffff8000216d22b0) at vgonel+0x7d sys/kern/vfs_subr.c:1175
checkalias(fffffd807e684468,6b1700,0) at checkalias+0x13c
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline]
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c sys/kern/vfs_subr.c:507
spec_open_clone(ffff80002800c7b8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:714
spec_open(ffff80002800c7b8) at spec_open+0x401 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd8075185a50,63,fffffd807f7d7548,ffff8000216d22b0) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002800ca08,63,0) at vn_open+0x452 sys/kern/vfs_vnops.c:177
doopenat(ffff8000216d22b0,ffffff9c,20000040,462,0,ffff80002800cbe0) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126
syscall(ffff80002800cc60) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x307bc748010, count: 2
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: uvm_fault(0xfffffd806409e5d8, 0x0, 0, 1) -> e
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:253
uvm_vnp_terminate(fffffd807e45ec08) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428
vclean(fffffd807e45ec08,8,ffff8000216d22b0) at vclean+0x10a sys/kern/vfs_subr.c:1063
vgonel(fffffd807e45ec08,ffff8000216d22b0) at vgonel+0x7d sys/kern/vfs_subr.c:1175
checkalias(fffffd807e684468,6b1700,0) at checkalias+0x13c
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline]
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c sys/kern/vfs_subr.c:507
spec_open_clone(ffff80002800c7b8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:714
spec_open(ffff80002800c7b8) at spec_open+0x401 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd8075185a50,63,fffffd807f7d7548,ffff8000216d22b0) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002800ca08,63,0) at vn_open+0x452 sys/kern/vfs_vnops.c:177
doopenat(ffff8000216d22b0,ffffff9c,20000040,462,0,ffff80002800cbe0) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126
syscall(ffff80002800cc60) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x307bc748010, count: -13
ddb> show registers
rdi 0
rsi 0
rbp 0xffff80002800c4e0
rbx 0x5
rdx 0
rcx 0xffff8000216d22b4
rax 0xffff8000216d22b0
r8 0x50
r9 0xfffffd807f7d7548
r10 0x34556cd1797b77c0
r11 0x590205f6731a2d76
r12 0xffffffffffffffff
r13 0x1
r14 0
r15 0
rip 0xffffffff8173ff40 rw_enter+0xf0
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002800c460
ss 0x10
rw_enter+0xf0: movq 0(%r14),%r13
ddb> show proc
PROC (syz-executor.6) tid=418438 pid=2417 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff8000216d2800,0xffff8000216d1028
process=0xffff800021704bd0 user=0xffff800028007000, vmspace=0xfffffd806409e5d8
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
26646 91279 8357 0 2 0 syz-executor.5
2417 76341 32068 0 2 0 syz-executor.6
2417 361064 32068 0 2 0x4000000 syz-executor.6
* 2417 418438 32068 0 7 0x4000000 syz-executor.6
2417 489068 32068 0 3 0x4000080 fsleep syz-executor.6
52803 216056 72046 0 2 0x2 syz-executor.7
56272 31113 72046 0 2 0x2 syz-executor.0
32068 46947 72046 0 3 0x82 nanoslp syz-executor.6
17845 509703 0 0 3 0x14280 nfsidl nfsio
57902 472373 0 0 3 0x14280 nfsidl nfsio
56006 103657 0 0 3 0x14280 nfsidl nfsio
42517 163525 0 0 3 0x14280 nfsidl nfsio
46348 199687 0 0 3 0x14280 nfsidl nfsio
97146 291822 0 0 3 0x14280 nfsidl nfsio
85784 314930 0 0 3 0x14280 nfsidl nfsio
43797 272048 0 0 3 0x14280 nfsidl nfsio
72765 190740 0 0 3 0x14280 nfsidl nfsio
5320 25088 0 0 3 0x14280 nfsidl nfsio
21382 415256 0 0 3 0x14280 nfsidl nfsio
23862 24629 0 0 3 0x14280 nfsidl nfsio
12889 169090 0 0 3 0x14280 nfsidl nfsio
444 296451 0 0 3 0x14280 nfsidl nfsio
65306 250514 0 0 3 0x14280 nfsidl nfsio
71300 114458 0 0 3 0x14280 nfsidl nfsio
30308 454118 0 0 3 0x14280 nfsidl nfsio
98162 500092 0 0 3 0x14280 nfsidl nfsio
7480 392496 0 0 3 0x14280 nfsidl nfsio
91816 251581 0 0 3 0x14280 nfsidl nfsio
47259 340510 72046 0 2 0x2 syz-executor.4
34707 32247 0 0 3 0x14200 bored sosplice
8357 232610 72046 0 3 0x82 nanoslp syz-executor.5
38156 389851 72046 0 2 0x2 syz-executor.3
21410 117002 72046 0 2 0x2 syz-executor.2
2250 23483 72046 0 2 0x2 syz-executor.1
72046 80914 78301 0 3 0x2000082 wait syz-fuzzer
72046 136162 78301 0 3 0x6000082 nanoslp syz-fuzzer
72046 237057 78301 0 3 0x6000082 wait syz-fuzzer
72046 376746 78301 0 3 0x6000082 thrsleep syz-fuzzer
72046 314875 78301 0 3 0x6000082 wait syz-fuzzer
72046 401818 78301 0 3 0x6000082 wait syz-fuzzer
72046 421560 78301 0 3 0x6000082 thrsleep syz-fuzzer
72046 386057 78301 0 3 0x6000082 wait syz-fuzzer
72046 263934 78301 0 3 0x6000082 wait syz-fuzzer
72046 364116 78301 0 3 0x6000082 thrsleep syz-fuzzer
72046 352413 78301 0 3 0x6000082 thrsleep syz-fuzzer
72046 108074 78301 0 3 0x6000082 wait syz-fuzzer
72046 37161 78301 0 3 0x6000082 kqread syz-fuzzer
72046 107034 78301 0 3 0x6000082 wait syz-fuzzer
78301 149693 86769 0 3 0x10008a sigsusp ksh
86769 14943 50254 0 3 0x9a kqread sshd
23437 330392 1 0 3 0x100083 ttyopn getty
50254 219998 1 0 3 0x88 kqread sshd
7193 475384 44877 73 3 0x1100090 kqread syslogd
44877 21362 1 0 3 0x100082 netio syslogd
91027 135476 1 0 3 0x100080 kqread resolvd
33177 490200 9847 77 3 0x100092 kqread dhcpleased
13310 59182 9847 77 3 0x100092 kqread dhcpleased
9847 216603 1 0 3 0x80 kqread dhcpleased
50170 180409 0 0 3 0x14200 bored smr
46425 239220 0 0 2 0x14200 zerothread
75161 100738 0 0 3 0x14200 aiodoned aiodoned
45113 40127 0 0 3 0x14200 syncer update
10149 292212 0 0 3 0x14200 cleaner cleaner
44458 288779 0 0 3 0x14200 reaper reaper
86562 268834 0 0 3 0x14200 pgdaemon pagedaemon
69327 279696 0 0 3 0x14200 bored viomb
14940 330578 0 0 3 0x40014200 acpi0 acpi0
50825 186412 0 0 3 0x14200 bored softnet3
82917 296917 0 0 3 0x14200 bored softnet2
24129 372207 0 0 3 0x14200 bored softnet1
70556 279420 0 0 3 0x14200 bored softnet0
83499 486383 0 0 3 0x14200 bored systqmp
12709 59898 0 0 3 0x14200 bored systq
14046 208124 0 0 2 0x40014200 softclock
67251 319700 0 0 3 0x40014200 idle0
1 483939 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 10421 6667K 7998K 78643K 35332 0
pcb 13 13K 15K 78643K 280 0
rtable 239 7K 7K 78643K 625 0
pf 29 8K 9K 78643K 75 0
ifaddr 43 11K 11K 78643K 87 0
ifgroup 50 2K 2K 78643K 126 0
sysctl 2 0K 0K 78643K 6 0
counters 28 17K 17K 78643K 47 0
ioctlops 0 0K 2K 78643K 1140 0
iov 0 0K 16K 78643K 195 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1541 96K 96K 78643K 8326 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 17K 78643K 85 0
VM map 2 1K 1K 78643K 2 0
sem 11 1K 1K 78643K 16 0
dirhash 12 2K 3K 78643K 39 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 12 41K 65K 78643K 7221 0
sigio 0 0K 0K 78643K 372 0
proc 58 59K 83K 78643K 792 0
subproc 104 6K 6K 78643K 195 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 100 0
in_multi 99 7K 7K 78643K 229 0
ether_multi 1 0K 0K 78643K 8 0
mrt 1 0K 0K 78643K 7 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 79 360K 360K 78643K 79 0
exec 0 0K 1K 78643K 837 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 332 110K 117K 78643K 64980 0
UVM aobj 131 6K 7K 78643K 142 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 78 0
NDP 11 0K 2K 78643K 60 0
temp 74 5916K 6044K 78643K 74038 0
kqueue 12 18K 26K 78643K 702 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 120 111 0 108 1 0 1 1 0 8 0
rtentry 112 196 0 85 4 0 4 4 0 8 0
unpcb 144 2667 0 2654 35 34 1 10 0 8 0
syncache 304 62 0 62 6 6 0 1 0 8 0
tcpqe 32 176 0 176 5 5 0 1 0 8 0
tcpcb 808 650 0 642 17 14 3 16 0 8 0
arp 88 33 0 15 1 0 1 1 0 8 0
ipq 40 6 0 6 2 2 0 1 0 8 0
ipqe 40 17 0 17 2 2 0 1 0 8 0
inpcb 336 1404 0 1393 22 19 3 14 0 8 0
nd6 104 48 0 23 1 0 1 1 0 8 0
pkpcb 40 3 0 3 2 2 0 1 0 8 0
kcovpl 48 15 0 7 1 0 1 1 0 8 0
ppxss 1160 4 0 4 2 2 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 775 0 318 29 0 29 29 0 8 0
art_table 32 776 0 318 4 0 4 4 0 8 0
art_node 16 191 0 90 1 0 1 1 0 8 0
sysvmsgpl 40 25 0 25 3 3 0 1 0 8 0
semupl 112 6 0 6 1 1 0 1 0 8 0
semapl 112 9 0 0 1 0 1 1 0 8 0
shmpl 112 139 0 11 4 0 4 4 0 8 0
dirhash 1024 35 0 18 3 0 3 3 0 8 0
dino2pl 256 10972 0 9512 92 0 92 92 0 8 0
ffsino 240 10973 0 9512 87 0 87 87 0 8 0
nchpl 144 20811 0 19172 63 0 63 63 0 8 0
uvmvnodes 80 16969 0 0 347 0 347 347 0 8 0
uvmvnodes: pool(0xffffffff82d49340:uvmvnodes): page inconsistency: page 0x0; at page head addr 0xfffffd805c9a2f90 (p 0xfffffd805c9a2000)
vnodes 216 16969 0 0 943 0 943 943 0 8 0
namei 1024 70179 0 70174 7 6 1 3 0 8 0
vcpupl 2048 22 0 3 3 0 3 3 0 8 0
vmpool 664 30 0 11 2 0 2 2 0 8 0
kstatmem 264 60 0 38 2 0 2 2 0 8 0
scxspl 216 62111 0 62111 17 16 1 8 1 8 1
plimitpl 152 302 0 287 1 0 1 1 0 8 0
sigapl 424 7528 0 7468 8 0 8 8 0 8 0
futexpl 64 53666 0 53665 2 1 1 1 0 8 0
knotepl 120 218671 0 218591 48 40 8 14 0 8 4
kqueuepl 184 894 0 821 5 1 4 4 0 8 0
pipepl 288 1640 0 1612 31 28 3 10 0 8 0
fdescpl 432 7491 0 7468 4 0 4 4 0 8 0
filepl 120 44462 0 44056 77 64 13 19 0 8 0
lockfpl 104 8051 0 7978 19 17 2 5 0 8 0
lockfspl 48 3755 0 3682 7 6 1 3 0 8 0
sessionpl 144 30 0 14 1 0 1 1 0 8 0
pgrppl 48 42 0 26 1 0 1 1 0 8 0
ucredpl 104 5982 0 5972 1 0 1 1 0 8 0
zombiepl 144 7468 0 7468 1 0 1 1 0 8 1
processpl 1008 7528 0 7468 10 1 9 9 0 8 0
procpl 680 16529 0 16453 14 6 8 9 0 8 0
sosppl 168 26 0 26 3 3 0 1 0 8 0
sockpl 456 4186 0 4159 131 126 5 52 0 8 0
mcl64k 65536 126 0 126 15 15 0 1 0 8 0
mcl16k 16384 41 0 41 11 11 0 1 0 8 0
mcl12k 12288 128 0 128 13 13 0 1 0 8 0
mcl9k 9216 40 0 40 13 13 0 1 0 8 0
mcl8k 8192 298 0 298 14 14 0 1 0 8 0
mcl4k 4096 568 0 568 14 13 1 1 0 8 1
mcl2k2 2112 27 0 27 12 12 0 1 0 8 0
mcl2k 2048 74026 0 73879 66 46 20 35 0 8 0
mtagpl 96 4882 0 3010 47 1 46 46 0 8 0
mbufpl 256 162798 0 160774 244 116 128 128 0 8 0
bufpl 288 15074 0 8670 458 0 458 458 0 8 0
anonpl 24 718639 0 705568 126 41 85 104 0 188 0
amapchunkpl 152 206297 0 205589 75 41 34 45 0 158 1
amappl16 200 13933 0 13495 47 22 25 36 0 8 0
amappl15 192 22 0 21 1 0 1 1 0 8 0
amappl14 184 175 0 163 2 1 1 2 0 8 0
amappl13 176 14 0 14 1 1 0 1 0 8 0
amappl12 168 8221 0 8196 2 0 2 2 0 8 0
amappl11 160 97 0 86 1 0 1 1 0 8 0
amappl10 152 40 0 30 1 0 1 1 0 8 0
amappl9 144 171 0 168 1 0 1 1 0 8 0
amappl8 136 280 0 208 3 0 3 3 0 8 0
amappl7 128 72 0 60 1 0 1 1 0 8 0
amappl6 120 295 0 277 2 1 1 2 0 8 0
amappl5 112 239 0 231 1 0 1 1 0 8 0
amappl4 104 617 0 575 2 0 2 2 0 8 0
amappl3 96 41617 0 41559 12 9 3 3 0 8 1
amappl2 88 7831 0 7773 3 1 2 3 0 8 0
amappl1 80 34566 0 34071 22 10 12 22 0 8 0
amappl 88 64299 0 64114 6 0 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 72 141 0 11 3 0 3 3 0 8 0
uaddrrnd 24 7521 0 7479 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 7521 0 7479 1 0 1 1 0 8 0
vmmpekpl 168 51314 0 51261 3 0 3 3 0 8 0
vmmpepl 168 436299 0 434273 192 89 103 126 0 357 2
vmsppl 368 7520 0 7479 5 0 5 5 0 8 0
rwobjpl 24 114660 0 96149 113 1 112 112 0 8 0
pdppl 4096 15048 0 14977 421 340 81 85 0 8 10
pvpl 32 2090409 0 2072105 387 230 157 358 0 265 0
pmappl 216 7520 0 7479 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1557 0 630 27 0 27 27 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:253
uvm_vnp_terminate(fffffd807e45ec08) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428
vclean(fffffd807e45ec08,8,ffff8000216d22b0) at vclean+0x10a sys/kern/vfs_subr.c:1063
vgonel(fffffd807e45ec08,ffff8000216d22b0) at vgonel+0x7d sys/kern/vfs_subr.c:1175
checkalias(fffffd807e684468,6b1700,0) at checkalias+0x13c
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline]
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c sys/kern/vfs_subr.c:507
spec_open_clone(ffff80002800c7b8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:714
spec_open(ffff80002800c7b8) at spec_open+0x401 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd8075185a50,63,fffffd807f7d7548,ffff8000216d22b0) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002800ca08,63,0) at vn_open+0x452 sys/kern/vfs_vnops.c:177
doopenat(ffff8000216d22b0,ffffff9c,20000040,462,0,ffff80002800cbe0) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126
syscall(ffff80002800cc60) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x307bc748010, count: -13
ddb> machine ddbcpu 1
No such command
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:253
uvm_vnp_terminate(fffffd807e45ec08) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428
vclean(fffffd807e45ec08,8,ffff8000216d22b0) at vclean+0x10a sys/kern/vfs_subr.c:1063
vgonel(fffffd807e45ec08,ffff8000216d22b0) at vgonel+0x7d sys/kern/vfs_subr.c:1175
checkalias(fffffd807e684468,6b1700,0) at checkalias+0x13c
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline]
cdevvp(6b1700,ffff80002800c6e0) at cdevvp+0x9c sys/kern/vfs_subr.c:507
spec_open_clone(ffff80002800c7b8) at spec_open_clone+0x193 sys/kern/spec_vnops.c:714
spec_open(ffff80002800c7b8) at spec_open+0x401 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd8075185a50,63,fffffd807f7d7548,ffff8000216d22b0) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002800ca08,63,0) at vn_open+0x452 sys/kern/vfs_vnops.c:177
doopenat(ffff8000216d22b0,ffffff9c,20000040,462,0,ffff80002800cbe0) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126
syscall(ffff80002800cc60) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x307bc748010, count: -13
---
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.
If the bug is already fixed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot
Apr 7, 2024, 8:31:20 AMApr 7
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