uvm_fault: rw_enter
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syzbot
Oct 12, 2022, 10:32:39 PM10/12/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 0701a1582b98 Extend struct todr_chip_handle with a todr_qu..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1262bf1c880000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=595033f4e92d8c2be559
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/77c28a9f8865/disk-0701a158.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/7826c4236791/bsd-0701a158.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f759aea65234/kernel-0701a158.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+595033...@syzkaller.appspotmail.com
uvm_fault(0xfffffd80670e7ab0, 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
*520593 49052 0 0 0x4000000 0 syz-executor.3
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:254
uvm_vnp_terminate(fffffd806bfbd438) at uvm_vnp_terminate+0x25 sys/uvm/uvm_vnode.c:426
vclean(fffffd806bfbd438,8,ffff8000217a4d28) at vclean+0x106 sys/kern/vfs_subr.c:1063
vgonel(fffffd806bfbd438,ffff8000217a4d28) at vgonel+0x79 sys/kern/vfs_subr.c:1175
checkalias(fffffd807e7a4e68,0,ffff8000006d9000) at checkalias+0x13c
ffs_vinit(ffff8000006d9000,ffff8000217d88f0) at ffs_vinit+0x10c sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d9000,673f,ffff8000217d89c8) at ffs_vget+0x375 sys/ufs/ffs/ffs_vfsops.c:1409
ufs_lookup() at ufs_lookup+0x1229 sys/ufs/ufs/ufs_lookup.c:582
VOP_LOOKUP(fffffd8071e2bd98,ffff8000217d8e28,ffff8000217d8e58) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000217d8df8) at vfs_lookup+0x6cc sys/kern/vfs_lookup.c:560
namei(ffff8000217d8df8) at namei+0x36a sys/kern/vfs_lookup.c:244
vn_open(ffff8000217d8df8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:140
doopenat(ffff8000217a4d28,ffffff9c,200000c0,0,0,ffff8000217d8fe0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff8000217d9050) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
end trace frame: 0xffff8000217d90d0, 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
*cpu0: uvm_fault(0xfffffd80670e7ab0, 0x0, 0, 1) -> e
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:254
uvm_vnp_terminate(fffffd806bfbd438) at uvm_vnp_terminate+0x25 sys/uvm/uvm_vnode.c:426
vclean(fffffd806bfbd438,8,ffff8000217a4d28) at vclean+0x106 sys/kern/vfs_subr.c:1063
vgonel(fffffd806bfbd438,ffff8000217a4d28) at vgonel+0x79 sys/kern/vfs_subr.c:1175
checkalias(fffffd807e7a4e68,0,ffff8000006d9000) at checkalias+0x13c
ffs_vinit(ffff8000006d9000,ffff8000217d88f0) at ffs_vinit+0x10c sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d9000,673f,ffff8000217d89c8) at ffs_vget+0x375 sys/ufs/ffs/ffs_vfsops.c:1409
ufs_lookup() at ufs_lookup+0x1229 sys/ufs/ufs/ufs_lookup.c:582
VOP_LOOKUP(fffffd8071e2bd98,ffff8000217d8e28,ffff8000217d8e58) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000217d8df8) at vfs_lookup+0x6cc sys/kern/vfs_lookup.c:560
namei(ffff8000217d8df8) at namei+0x36a sys/kern/vfs_lookup.c:244
vn_open(ffff8000217d8df8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:140
doopenat(ffff8000217a4d28,ffffff9c,200000c0,0,0,ffff8000217d8fe0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff8000217d9050) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xac5477e0690, count: -15
ddb> show registers
rdi 0
rsi 0
rbp 0xffff8000217d86e0
rbx 0x5
rdx 0xffff800000bdac80
rcx 0xffff8000217a4d2c
rax 0xffff8000217a4d28
r8 0xffffffffffffffff
r9 0xfffffd807f7d7958
r10 0xf7d321fba3286f08
r11 0x657c41c75d0cc7
r12 0xffffffffffffffff
r13 0x1
r14 0
r15 0xffff8000217d8648
rip 0xffffffff81197c30 rw_enter+0xf0
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000217d8640
ss 0x10
rw_enter+0xf0: movq 0(%r14),%r13
ddb> show proc
PROC (syz-executor.3) pid=520593 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=84, nice=20
forw=0xffffffffffffffff, list=0xffff8000217a57a8,0xffffffff82a15c18
process=0xffff80002801efe0 user=0xffff8000217d4000, vmspace=0xfffffd80670e7ab0
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
49052 214492 30858 0 2 0 syz-executor.3
*49052 520593 30858 0 7 0x4000000 syz-executor.3
43753 511583 77703 0 2 0x480 syz-executor.6
43753 11351 77703 0 3 0x4000080 fsleep syz-executor.6
33921 258492 34205 0 2 0x480 syz-executor.7
33921 45561 34205 0 3 0x4000080 fsleep syz-executor.7
33921 243209 34205 0 3 0x4000080 fsleep syz-executor.7
33921 182642 34205 0 3 0x4000080 fsleep syz-executor.7
29193 175980 64392 0 2 0x482 syz-executor.4
14605 269267 64392 0 3 0x82 piperd syz-executor.2
76297 369633 0 0 3 0x14200 acct acct
62042 369713 0 0 3 0x14280 nfsidl nfsio
28474 403357 0 0 3 0x14280 nfsidl nfsio
92505 402506 0 0 3 0x14280 nfsidl nfsio
54230 18057 0 0 3 0x14280 nfsidl nfsio
27075 312800 0 0 3 0x14280 nfsidl nfsio
88942 513614 0 0 3 0x14280 nfsidl nfsio
9868 492213 0 0 3 0x14280 nfsidl nfsio
55876 161991 0 0 3 0x14280 nfsidl nfsio
22982 374208 0 0 3 0x14280 nfsidl nfsio
90739 91384 0 0 3 0x14280 nfsidl nfsio
23554 456234 0 0 3 0x14280 nfsidl nfsio
31267 513174 0 0 3 0x14280 nfsidl nfsio
24758 209487 0 0 3 0x14280 nfsidl nfsio
11316 150075 0 0 3 0x14280 nfsidl nfsio
95325 342567 0 0 3 0x14280 nfsidl nfsio
54090 176874 0 0 3 0x14280 nfsidl nfsio
67203 368406 0 0 3 0x14280 nfsidl nfsio
18876 350021 0 0 3 0x14280 nfsidl nfsio
44366 157793 0 0 3 0x14280 nfsidl nfsio
90431 242733 0 0 3 0x14280 nfsidl nfsio
61987 312065 0 0 3 0x14200 bored sosplice
77703 205712 64392 0 3 0x82 nanoslp syz-executor.6
34205 411092 64392 0 2 0x482 syz-executor.7
30858 417305 64392 0 3 0x82 nanoslp syz-executor.3
56410 72774 64392 0 3 0x82 piperd syz-executor.5
57269 433767 64392 0 3 0x82 piperd syz-executor.0
38843 34764 64392 0 3 0x82 piperd syz-executor.1
64392 121688 81350 0 3 0x82 wait syz-fuzzer
64392 18488 81350 0 2 0x4000482 syz-fuzzer
64392 393267 81350 0 3 0x4000082 thrsleep syz-fuzzer
64392 257109 81350 0 3 0x4000082 wait syz-fuzzer
64392 475025 81350 0 3 0x4000082 thrsleep syz-fuzzer
64392 120287 81350 0 3 0x4000082 wait syz-fuzzer
64392 436608 81350 0 3 0x4000082 wait syz-fuzzer
64392 412992 81350 0 3 0x4000082 wait syz-fuzzer
64392 47795 81350 0 3 0x4000082 thrsleep syz-fuzzer
64392 118026 81350 0 3 0x4000082 kqread syz-fuzzer
64392 30876 81350 0 3 0x4000082 wait syz-fuzzer
64392 426114 81350 0 3 0x4000082 wait syz-fuzzer
64392 71386 81350 0 3 0x4000082 wait syz-fuzzer
64392 161221 81350 0 3 0x4000082 thrsleep syz-fuzzer
81350 121546 86941 0 3 0x10008a sigsusp ksh
86941 393042 50560 0 3 0x9a kqread sshd
9087 214840 1 0 3 0x100083 ttyin getty
50560 234347 1 0 3 0x88 kqread sshd
60538 460944 51411 73 2 0x1100010 syslogd
51411 505724 1 0 3 0x100082 netio syslogd
71706 297011 1 0 3 0x100080 kqread resolvd
79595 109810 95779 77 3 0x100092 kqread dhcpleased
71315 163353 95779 77 3 0x100092 kqread dhcpleased
95779 290568 1 0 3 0x80 kqread dhcpleased
32903 343475 0 0 3 0x14200 bored smr
38887 15759 0 0 2 0x14200 zerothread
18788 457630 0 0 3 0x14200 aiodoned aiodoned
84706 353956 0 0 3 0x14200 syncer update
43593 320345 0 0 3 0x14200 cleaner cleaner
77881 188441 0 0 3 0x14200 reaper reaper
87209 498081 0 0 3 0x14200 pgdaemon pagedaemon
94428 139029 0 0 3 0x14200 bored viomb
68817 212917 0 0 3 0x40014200 acpi0 acpi0
95093 209414 0 0 3 0x14200 bored softnet
15436 346256 0 0 3 0x14200 bored softnet
27271 414819 0 0 3 0x14200 bored softnet
98322 338089 0 0 3 0x14200 bored softnet
76881 237369 0 0 3 0x14200 bored systqmp
36290 92153 0 0 3 0x14200 bored systq
70881 271754 0 0 3 0x40014200 bored softclock
15334 202462 0 0 3 0x40014200 idle0
1 155147 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 10199 6674K 7340K 78643K 42741 0
pcb 13 12K 14K 78643K 258 0
rtable 247 9K 10K 78643K 4673 0
ifaddr 92 19K 20K 78643K 1588 0
counters 27 17K 17K 78643K 36 0
ioctlops 0 0K 4K 78643K 10312 0
iov 0 0K 20K 78643K 423 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1402 88K 88K 78643K 8160 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 15 0
VM map 2 0K 0K 78643K 2 0
sem 12 1K 1K 78643K 154 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 13 45K 65K 78643K 6794 0
sigio 0 0K 0K 78643K 98 0
proc 58 59K 83K 78643K 588 0
subproc 104 6K 6K 78643K 143 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 3064 0
in_multi 99 6K 7K 78643K 166 0
ether_multi 1 0K 0K 78643K 15 0
mrt 1 0K 0K 78643K 10 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 61 281K 281K 78643K 61 0
exec 0 0K 2K 78643K 1324 0
pfkey data 0 0K 0K 78643K 3 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 253 120K 139K 78643K 36081 0
UVM aobj 20 2K 2K 78643K 20 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 22 0
NDP 11 0K 1K 78643K 42 0
temp 123 4722K 4795K 78643K 35807 0
kqueue 12 18K 24K 78643K 203 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 120 136 0 133 3 2 1 3 0 8 0
rtentry 112 147 0 37 4 0 4 4 0 8 0
unpcb 144 1272 0 1259 16 15 1 6 0 8 0
syncache 296 10 0 10 4 4 0 1 0 8 0
sackhl 24 3 0 3 3 2 1 1 0 8 1
tcpqe 32 31 0 31 2 2 0 1 0 8 0
tcpcb 768 1345 0 1341 63 61 2 9 0 8 1
arp 88 24 0 6 1 0 1 1 0 8 0
inpcb 336 1902 0 1895 45 44 1 7 0 8 0
nd6 48 33 0 9 1 0 1 1 0 8 0
pkpcb 40 4 0 4 1 1 0 1 0 8 0
kcovpl 48 11 0 3 1 0 1 1 0 8 0
pfrktable 1344 2101 0 2095 2 1 1 1 0 8 0
pfanchor 1280 345 0 98 22 1 21 22 0 8 0
pftag 88 38 0 29 1 0 1 1 0 8 0
pfrule 1360 2960 0 2679 24 0 24 24 0 8 0
rttmr 136 3 0 3 1 1 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 587 0 132 29 0 29 29 0 8 0
art_table 32 588 0 132 4 0 4 4 0 8 0
art_node 16 146 0 46 1 0 1 1 0 8 0
sysvmsgpl 40 16 0 7 1 0 1 1 0 8 0
semapl 112 148 0 138 1 0 1 1 0 8 0
shmpl 112 17 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 8855 0 7414 91 0 91 91 0 8 0
ffsino 240 8855 0 7414 85 0 85 85 0 8 0
nchpl 144 17440 0 15809 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
uvmvnodes: pool(0xffffffff82a90bb0:uvmvnodes): page inconsistency: page 0x0; at page head addr 0xfffffd8064358f90 (p 0xfffffd8064358000)
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 65241 0 65240 5 4 1 2 0 8 0
vcpupl 2048 4 0 2 1 0 1 1 0 8 0
vmpool 536 4 0 2 1 0 1 1 0 8 0
pfiaddrpl 120 977 0 955 2 1 1 1 0 8 0
kstatmem 264 40 0 18 2 0 2 2 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 51275 0 51275 10 9 1 8 0 8 1
plimitpl 152 1251 0 1236 1 0 1 1 0 8 0
sigapl 424 7100 0 7037 8 0 8 8 0 8 0
futexpl 64 69337 0 69333 3 2 1 1 0 8 0
knotepl 120 67359 0 67279 24 21 3 11 0 8 0
kqueuepl 184 3121 0 3113 48 47 1 4 0 8 0
pipepl 288 762 0 734 16 13 3 7 0 8 0
fdescpl 432 7062 0 7038 8 4 4 4 0 8 0
filepl 120 44519 0 44282 80 71 9 15 0 8 1
lockfpl 104 908 0 906 2 1 1 2 0 8 0
lockfspl 48 204 0 202 1 0 1 1 0 8 0
sessionpl 144 26 0 10 1 0 1 1 0 8 0
pgrppl 48 112 0 96 1 0 1 1 0 8 0
ucredpl 104 4473 0 4463 1 0 1 1 0 8 0
zombiepl 144 7038 0 7037 2 1 1 1 0 8 0
processpl 1000 7100 0 7037 9 0 9 9 0 8 0
procpl 672 16609 0 16528 22 13 9 9 0 8 1
sosppl 168 14 0 14 6 6 0 1 0 8 0
sockpl 456 3314 0 3291 102 98 4 21 0 8 1
mcl64k 65536 81 0 81 16 15 1 1 0 8 1
mcl16k 16384 25 0 25 12 11 1 1 0 8 1
mcl12k 12288 128 0 128 15 14 1 1 0 8 1
mcl9k 9216 31 0 31 14 13 1 1 0 8 1
mcl8k 8192 465 0 465 18 17 1 1 0 8 1
mcl4k 4096 1113 0 1113 5 4 1 1 0 8 1
mcl2k2 2112 58 0 58 20 19 1 1 0 8 1
mcl2k 2048 85840 0 84728 155 15 140 140 0 8 0
mtagpl 96 7047 0 5038 54 4 50 50 0 8 0
mbufpl 256 171733 0 169491 183 40 143 143 0 8 0
bufpl 288 11784 0 5379 458 0 458 458 0 8 0
anonpl 24 1509693 0 1493431 160 30 130 132 0 188 25
amapchunkpl 152 103652 0 103023 46 9 37 38 0 158 10
amappl16 200 35902 0 35360 39 8 31 32 0 8 0
amappl15 192 946 0 937 1 0 1 1 0 8 0
amappl14 184 870 0 864 1 0 1 1 0 8 0
amappl13 176 2399 0 2390 1 0 1 1 0 8 0
amappl12 168 11 0 5 1 0 1 1 0 8 0
amappl11 160 41 0 29 1 0 1 1 0 8 0
amappl10 152 1055 0 1050 1 0 1 1 0 8 0
amappl9 144 2564 0 2551 1 0 1 1 0 8 0
amappl8 136 1554 0 1488 3 0 3 3 0 8 0
amappl7 128 1014 0 997 1 0 1 1 0 8 0
amappl6 120 1892 0 1871 2 1 1 2 0 8 0
amappl5 112 4656 0 4646 1 0 1 1 0 8 0
amappl4 104 1729 0 1705 2 0 2 2 0 8 0
amappl3 96 21458 0 21410 2 0 2 2 0 8 0
amappl2 88 9603 0 9541 3 1 2 3 0 8 0
amappl1 80 164167 0 163516 22 6 16 21 0 8 0
amappl 88 35537 0 35387 5 1 4 5 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 19 0 0 1 0 1 1 0 8 0
uaddrrnd 24 7066 0 7040 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 7066 0 7040 1 0 1 1 0 8 0
vmmpekpl 168 47442 0 47387 3 0 3 3 0 8 0
vmmpepl 168 679851 0 677433 193 67 126 138 0 357 3
vmsppl 272 7065 0 7040 3 0 3 3 0 8 0
rwobjpl 24 178802 0 171268 48 1 47 47 0 8 0
pdppl 4096 14138 0 14082 302 236 66 68 0 8 10
pvpl 32 3131850 0 3110447 421 175 246 251 0 265 56
pmappl 216 7065 0 7040 3 1 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1455 0 401 31 0 31 31 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:254
uvm_vnp_terminate(fffffd806bfbd438) at uvm_vnp_terminate+0x25 sys/uvm/uvm_vnode.c:426
vclean(fffffd806bfbd438,8,ffff8000217a4d28) at vclean+0x106 sys/kern/vfs_subr.c:1063
vgonel(fffffd806bfbd438,ffff8000217a4d28) at vgonel+0x79 sys/kern/vfs_subr.c:1175
checkalias(fffffd807e7a4e68,0,ffff8000006d9000) at checkalias+0x13c
ffs_vinit(ffff8000006d9000,ffff8000217d88f0) at ffs_vinit+0x10c sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d9000,673f,ffff8000217d89c8) at ffs_vget+0x375 sys/ufs/ffs/ffs_vfsops.c:1409
ufs_lookup() at ufs_lookup+0x1229 sys/ufs/ufs/ufs_lookup.c:582
VOP_LOOKUP(fffffd8071e2bd98,ffff8000217d8e28,ffff8000217d8e58) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000217d8df8) at vfs_lookup+0x6cc sys/kern/vfs_lookup.c:560
namei(ffff8000217d8df8) at namei+0x36a sys/kern/vfs_lookup.c:244
vn_open(ffff8000217d8df8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:140
doopenat(ffff8000217a4d28,ffffff9c,200000c0,0,0,ffff8000217d8fe0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff8000217d9050) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xac5477e0690, count: -15
ddb> machine ddbcpu 1
No such command
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:254
uvm_vnp_terminate(fffffd806bfbd438) at uvm_vnp_terminate+0x25 sys/uvm/uvm_vnode.c:426
vclean(fffffd806bfbd438,8,ffff8000217a4d28) at vclean+0x106 sys/kern/vfs_subr.c:1063
vgonel(fffffd806bfbd438,ffff8000217a4d28) at vgonel+0x79 sys/kern/vfs_subr.c:1175
checkalias(fffffd807e7a4e68,0,ffff8000006d9000) at checkalias+0x13c
ffs_vinit(ffff8000006d9000,ffff8000217d88f0) at ffs_vinit+0x10c sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d9000,673f,ffff8000217d89c8) at ffs_vget+0x375 sys/ufs/ffs/ffs_vfsops.c:1409
ufs_lookup() at ufs_lookup+0x1229 sys/ufs/ufs/ufs_lookup.c:582
VOP_LOOKUP(fffffd8071e2bd98,ffff8000217d8e28,ffff8000217d8e58) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000217d8df8) at vfs_lookup+0x6cc sys/kern/vfs_lookup.c:560
namei(ffff8000217d8df8) at namei+0x36a sys/kern/vfs_lookup.c:244
vn_open(ffff8000217d8df8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:140
doopenat(ffff8000217a4d28,ffffff9c,200000c0,0,0,ffff8000217d8fe0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff8000217d9050) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xac5477e0690, count: -15
---
This report is generated by a bot. It may contain errors.
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syzbot found the following issue on:
HEAD commit: 0701a1582b98 Extend struct todr_chip_handle with a todr_qu..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1262bf1c880000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=595033f4e92d8c2be559
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/77c28a9f8865/disk-0701a158.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/7826c4236791/bsd-0701a158.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f759aea65234/kernel-0701a158.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+595033...@syzkaller.appspotmail.com
uvm_fault(0xfffffd80670e7ab0, 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
*520593 49052 0 0 0x4000000 0 syz-executor.3
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:254
uvm_vnp_terminate(fffffd806bfbd438) at uvm_vnp_terminate+0x25 sys/uvm/uvm_vnode.c:426
vclean(fffffd806bfbd438,8,ffff8000217a4d28) at vclean+0x106 sys/kern/vfs_subr.c:1063
vgonel(fffffd806bfbd438,ffff8000217a4d28) at vgonel+0x79 sys/kern/vfs_subr.c:1175
checkalias(fffffd807e7a4e68,0,ffff8000006d9000) at checkalias+0x13c
ffs_vinit(ffff8000006d9000,ffff8000217d88f0) at ffs_vinit+0x10c sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d9000,673f,ffff8000217d89c8) at ffs_vget+0x375 sys/ufs/ffs/ffs_vfsops.c:1409
ufs_lookup() at ufs_lookup+0x1229 sys/ufs/ufs/ufs_lookup.c:582
VOP_LOOKUP(fffffd8071e2bd98,ffff8000217d8e28,ffff8000217d8e58) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000217d8df8) at vfs_lookup+0x6cc sys/kern/vfs_lookup.c:560
namei(ffff8000217d8df8) at namei+0x36a sys/kern/vfs_lookup.c:244
vn_open(ffff8000217d8df8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:140
doopenat(ffff8000217a4d28,ffffff9c,200000c0,0,0,ffff8000217d8fe0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff8000217d9050) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
end trace frame: 0xffff8000217d90d0, 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
*cpu0: uvm_fault(0xfffffd80670e7ab0, 0x0, 0, 1) -> e
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:254
uvm_vnp_terminate(fffffd806bfbd438) at uvm_vnp_terminate+0x25 sys/uvm/uvm_vnode.c:426
vclean(fffffd806bfbd438,8,ffff8000217a4d28) at vclean+0x106 sys/kern/vfs_subr.c:1063
vgonel(fffffd806bfbd438,ffff8000217a4d28) at vgonel+0x79 sys/kern/vfs_subr.c:1175
checkalias(fffffd807e7a4e68,0,ffff8000006d9000) at checkalias+0x13c
ffs_vinit(ffff8000006d9000,ffff8000217d88f0) at ffs_vinit+0x10c sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d9000,673f,ffff8000217d89c8) at ffs_vget+0x375 sys/ufs/ffs/ffs_vfsops.c:1409
ufs_lookup() at ufs_lookup+0x1229 sys/ufs/ufs/ufs_lookup.c:582
VOP_LOOKUP(fffffd8071e2bd98,ffff8000217d8e28,ffff8000217d8e58) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000217d8df8) at vfs_lookup+0x6cc sys/kern/vfs_lookup.c:560
namei(ffff8000217d8df8) at namei+0x36a sys/kern/vfs_lookup.c:244
vn_open(ffff8000217d8df8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:140
doopenat(ffff8000217a4d28,ffffff9c,200000c0,0,0,ffff8000217d8fe0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff8000217d9050) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xac5477e0690, count: -15
ddb> show registers
rdi 0
rsi 0
rbp 0xffff8000217d86e0
rbx 0x5
rdx 0xffff800000bdac80
rcx 0xffff8000217a4d2c
rax 0xffff8000217a4d28
r8 0xffffffffffffffff
r9 0xfffffd807f7d7958
r10 0xf7d321fba3286f08
r11 0x657c41c75d0cc7
r12 0xffffffffffffffff
r13 0x1
r14 0
r15 0xffff8000217d8648
rip 0xffffffff81197c30 rw_enter+0xf0
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000217d8640
ss 0x10
rw_enter+0xf0: movq 0(%r14),%r13
ddb> show proc
PROC (syz-executor.3) pid=520593 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=84, nice=20
forw=0xffffffffffffffff, list=0xffff8000217a57a8,0xffffffff82a15c18
process=0xffff80002801efe0 user=0xffff8000217d4000, vmspace=0xfffffd80670e7ab0
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
49052 214492 30858 0 2 0 syz-executor.3
*49052 520593 30858 0 7 0x4000000 syz-executor.3
43753 511583 77703 0 2 0x480 syz-executor.6
43753 11351 77703 0 3 0x4000080 fsleep syz-executor.6
33921 258492 34205 0 2 0x480 syz-executor.7
33921 45561 34205 0 3 0x4000080 fsleep syz-executor.7
33921 243209 34205 0 3 0x4000080 fsleep syz-executor.7
33921 182642 34205 0 3 0x4000080 fsleep syz-executor.7
29193 175980 64392 0 2 0x482 syz-executor.4
14605 269267 64392 0 3 0x82 piperd syz-executor.2
76297 369633 0 0 3 0x14200 acct acct
62042 369713 0 0 3 0x14280 nfsidl nfsio
28474 403357 0 0 3 0x14280 nfsidl nfsio
92505 402506 0 0 3 0x14280 nfsidl nfsio
54230 18057 0 0 3 0x14280 nfsidl nfsio
27075 312800 0 0 3 0x14280 nfsidl nfsio
88942 513614 0 0 3 0x14280 nfsidl nfsio
9868 492213 0 0 3 0x14280 nfsidl nfsio
55876 161991 0 0 3 0x14280 nfsidl nfsio
22982 374208 0 0 3 0x14280 nfsidl nfsio
90739 91384 0 0 3 0x14280 nfsidl nfsio
23554 456234 0 0 3 0x14280 nfsidl nfsio
31267 513174 0 0 3 0x14280 nfsidl nfsio
24758 209487 0 0 3 0x14280 nfsidl nfsio
11316 150075 0 0 3 0x14280 nfsidl nfsio
95325 342567 0 0 3 0x14280 nfsidl nfsio
54090 176874 0 0 3 0x14280 nfsidl nfsio
67203 368406 0 0 3 0x14280 nfsidl nfsio
18876 350021 0 0 3 0x14280 nfsidl nfsio
44366 157793 0 0 3 0x14280 nfsidl nfsio
90431 242733 0 0 3 0x14280 nfsidl nfsio
61987 312065 0 0 3 0x14200 bored sosplice
77703 205712 64392 0 3 0x82 nanoslp syz-executor.6
34205 411092 64392 0 2 0x482 syz-executor.7
30858 417305 64392 0 3 0x82 nanoslp syz-executor.3
56410 72774 64392 0 3 0x82 piperd syz-executor.5
57269 433767 64392 0 3 0x82 piperd syz-executor.0
38843 34764 64392 0 3 0x82 piperd syz-executor.1
64392 121688 81350 0 3 0x82 wait syz-fuzzer
64392 18488 81350 0 2 0x4000482 syz-fuzzer
64392 393267 81350 0 3 0x4000082 thrsleep syz-fuzzer
64392 257109 81350 0 3 0x4000082 wait syz-fuzzer
64392 475025 81350 0 3 0x4000082 thrsleep syz-fuzzer
64392 120287 81350 0 3 0x4000082 wait syz-fuzzer
64392 436608 81350 0 3 0x4000082 wait syz-fuzzer
64392 412992 81350 0 3 0x4000082 wait syz-fuzzer
64392 47795 81350 0 3 0x4000082 thrsleep syz-fuzzer
64392 118026 81350 0 3 0x4000082 kqread syz-fuzzer
64392 30876 81350 0 3 0x4000082 wait syz-fuzzer
64392 426114 81350 0 3 0x4000082 wait syz-fuzzer
64392 71386 81350 0 3 0x4000082 wait syz-fuzzer
64392 161221 81350 0 3 0x4000082 thrsleep syz-fuzzer
81350 121546 86941 0 3 0x10008a sigsusp ksh
86941 393042 50560 0 3 0x9a kqread sshd
9087 214840 1 0 3 0x100083 ttyin getty
50560 234347 1 0 3 0x88 kqread sshd
60538 460944 51411 73 2 0x1100010 syslogd
51411 505724 1 0 3 0x100082 netio syslogd
71706 297011 1 0 3 0x100080 kqread resolvd
79595 109810 95779 77 3 0x100092 kqread dhcpleased
71315 163353 95779 77 3 0x100092 kqread dhcpleased
95779 290568 1 0 3 0x80 kqread dhcpleased
32903 343475 0 0 3 0x14200 bored smr
38887 15759 0 0 2 0x14200 zerothread
18788 457630 0 0 3 0x14200 aiodoned aiodoned
84706 353956 0 0 3 0x14200 syncer update
43593 320345 0 0 3 0x14200 cleaner cleaner
77881 188441 0 0 3 0x14200 reaper reaper
87209 498081 0 0 3 0x14200 pgdaemon pagedaemon
94428 139029 0 0 3 0x14200 bored viomb
68817 212917 0 0 3 0x40014200 acpi0 acpi0
95093 209414 0 0 3 0x14200 bored softnet
15436 346256 0 0 3 0x14200 bored softnet
27271 414819 0 0 3 0x14200 bored softnet
98322 338089 0 0 3 0x14200 bored softnet
76881 237369 0 0 3 0x14200 bored systqmp
36290 92153 0 0 3 0x14200 bored systq
70881 271754 0 0 3 0x40014200 bored softclock
15334 202462 0 0 3 0x40014200 idle0
1 155147 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 10199 6674K 7340K 78643K 42741 0
pcb 13 12K 14K 78643K 258 0
rtable 247 9K 10K 78643K 4673 0
ifaddr 92 19K 20K 78643K 1588 0
counters 27 17K 17K 78643K 36 0
ioctlops 0 0K 4K 78643K 10312 0
iov 0 0K 20K 78643K 423 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1402 88K 88K 78643K 8160 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 15 0
VM map 2 0K 0K 78643K 2 0
sem 12 1K 1K 78643K 154 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 13 45K 65K 78643K 6794 0
sigio 0 0K 0K 78643K 98 0
proc 58 59K 83K 78643K 588 0
subproc 104 6K 6K 78643K 143 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 3064 0
in_multi 99 6K 7K 78643K 166 0
ether_multi 1 0K 0K 78643K 15 0
mrt 1 0K 0K 78643K 10 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 61 281K 281K 78643K 61 0
exec 0 0K 2K 78643K 1324 0
pfkey data 0 0K 0K 78643K 3 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 253 120K 139K 78643K 36081 0
UVM aobj 20 2K 2K 78643K 20 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 22 0
NDP 11 0K 1K 78643K 42 0
temp 123 4722K 4795K 78643K 35807 0
kqueue 12 18K 24K 78643K 203 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 120 136 0 133 3 2 1 3 0 8 0
rtentry 112 147 0 37 4 0 4 4 0 8 0
unpcb 144 1272 0 1259 16 15 1 6 0 8 0
syncache 296 10 0 10 4 4 0 1 0 8 0
sackhl 24 3 0 3 3 2 1 1 0 8 1
tcpqe 32 31 0 31 2 2 0 1 0 8 0
tcpcb 768 1345 0 1341 63 61 2 9 0 8 1
arp 88 24 0 6 1 0 1 1 0 8 0
inpcb 336 1902 0 1895 45 44 1 7 0 8 0
nd6 48 33 0 9 1 0 1 1 0 8 0
pkpcb 40 4 0 4 1 1 0 1 0 8 0
kcovpl 48 11 0 3 1 0 1 1 0 8 0
pfrktable 1344 2101 0 2095 2 1 1 1 0 8 0
pfanchor 1280 345 0 98 22 1 21 22 0 8 0
pftag 88 38 0 29 1 0 1 1 0 8 0
pfrule 1360 2960 0 2679 24 0 24 24 0 8 0
rttmr 136 3 0 3 1 1 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 587 0 132 29 0 29 29 0 8 0
art_table 32 588 0 132 4 0 4 4 0 8 0
art_node 16 146 0 46 1 0 1 1 0 8 0
sysvmsgpl 40 16 0 7 1 0 1 1 0 8 0
semapl 112 148 0 138 1 0 1 1 0 8 0
shmpl 112 17 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 8855 0 7414 91 0 91 91 0 8 0
ffsino 240 8855 0 7414 85 0 85 85 0 8 0
nchpl 144 17440 0 15809 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
uvmvnodes: pool(0xffffffff82a90bb0:uvmvnodes): page inconsistency: page 0x0; at page head addr 0xfffffd8064358f90 (p 0xfffffd8064358000)
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 65241 0 65240 5 4 1 2 0 8 0
vcpupl 2048 4 0 2 1 0 1 1 0 8 0
vmpool 536 4 0 2 1 0 1 1 0 8 0
pfiaddrpl 120 977 0 955 2 1 1 1 0 8 0
kstatmem 264 40 0 18 2 0 2 2 0 8 0
scsiplug 72 3 0 3 1 1 0 1 0 8 0
scxspl 216 51275 0 51275 10 9 1 8 0 8 1
plimitpl 152 1251 0 1236 1 0 1 1 0 8 0
sigapl 424 7100 0 7037 8 0 8 8 0 8 0
futexpl 64 69337 0 69333 3 2 1 1 0 8 0
knotepl 120 67359 0 67279 24 21 3 11 0 8 0
kqueuepl 184 3121 0 3113 48 47 1 4 0 8 0
pipepl 288 762 0 734 16 13 3 7 0 8 0
fdescpl 432 7062 0 7038 8 4 4 4 0 8 0
filepl 120 44519 0 44282 80 71 9 15 0 8 1
lockfpl 104 908 0 906 2 1 1 2 0 8 0
lockfspl 48 204 0 202 1 0 1 1 0 8 0
sessionpl 144 26 0 10 1 0 1 1 0 8 0
pgrppl 48 112 0 96 1 0 1 1 0 8 0
ucredpl 104 4473 0 4463 1 0 1 1 0 8 0
zombiepl 144 7038 0 7037 2 1 1 1 0 8 0
processpl 1000 7100 0 7037 9 0 9 9 0 8 0
procpl 672 16609 0 16528 22 13 9 9 0 8 1
sosppl 168 14 0 14 6 6 0 1 0 8 0
sockpl 456 3314 0 3291 102 98 4 21 0 8 1
mcl64k 65536 81 0 81 16 15 1 1 0 8 1
mcl16k 16384 25 0 25 12 11 1 1 0 8 1
mcl12k 12288 128 0 128 15 14 1 1 0 8 1
mcl9k 9216 31 0 31 14 13 1 1 0 8 1
mcl8k 8192 465 0 465 18 17 1 1 0 8 1
mcl4k 4096 1113 0 1113 5 4 1 1 0 8 1
mcl2k2 2112 58 0 58 20 19 1 1 0 8 1
mcl2k 2048 85840 0 84728 155 15 140 140 0 8 0
mtagpl 96 7047 0 5038 54 4 50 50 0 8 0
mbufpl 256 171733 0 169491 183 40 143 143 0 8 0
bufpl 288 11784 0 5379 458 0 458 458 0 8 0
anonpl 24 1509693 0 1493431 160 30 130 132 0 188 25
amapchunkpl 152 103652 0 103023 46 9 37 38 0 158 10
amappl16 200 35902 0 35360 39 8 31 32 0 8 0
amappl15 192 946 0 937 1 0 1 1 0 8 0
amappl14 184 870 0 864 1 0 1 1 0 8 0
amappl13 176 2399 0 2390 1 0 1 1 0 8 0
amappl12 168 11 0 5 1 0 1 1 0 8 0
amappl11 160 41 0 29 1 0 1 1 0 8 0
amappl10 152 1055 0 1050 1 0 1 1 0 8 0
amappl9 144 2564 0 2551 1 0 1 1 0 8 0
amappl8 136 1554 0 1488 3 0 3 3 0 8 0
amappl7 128 1014 0 997 1 0 1 1 0 8 0
amappl6 120 1892 0 1871 2 1 1 2 0 8 0
amappl5 112 4656 0 4646 1 0 1 1 0 8 0
amappl4 104 1729 0 1705 2 0 2 2 0 8 0
amappl3 96 21458 0 21410 2 0 2 2 0 8 0
amappl2 88 9603 0 9541 3 1 2 3 0 8 0
amappl1 80 164167 0 163516 22 6 16 21 0 8 0
amappl 88 35537 0 35387 5 1 4 5 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 19 0 0 1 0 1 1 0 8 0
uaddrrnd 24 7066 0 7040 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 7066 0 7040 1 0 1 1 0 8 0
vmmpekpl 168 47442 0 47387 3 0 3 3 0 8 0
vmmpepl 168 679851 0 677433 193 67 126 138 0 357 3
vmsppl 272 7065 0 7040 3 0 3 3 0 8 0
rwobjpl 24 178802 0 171268 48 1 47 47 0 8 0
pdppl 4096 14138 0 14082 302 236 66 68 0 8 10
pvpl 32 3131850 0 3110447 421 175 246 251 0 265 56
pmappl 216 7065 0 7040 3 1 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1455 0 401 31 0 31 31 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:254
uvm_vnp_terminate(fffffd806bfbd438) at uvm_vnp_terminate+0x25 sys/uvm/uvm_vnode.c:426
vclean(fffffd806bfbd438,8,ffff8000217a4d28) at vclean+0x106 sys/kern/vfs_subr.c:1063
vgonel(fffffd806bfbd438,ffff8000217a4d28) at vgonel+0x79 sys/kern/vfs_subr.c:1175
checkalias(fffffd807e7a4e68,0,ffff8000006d9000) at checkalias+0x13c
ffs_vinit(ffff8000006d9000,ffff8000217d88f0) at ffs_vinit+0x10c sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d9000,673f,ffff8000217d89c8) at ffs_vget+0x375 sys/ufs/ffs/ffs_vfsops.c:1409
ufs_lookup() at ufs_lookup+0x1229 sys/ufs/ufs/ufs_lookup.c:582
VOP_LOOKUP(fffffd8071e2bd98,ffff8000217d8e28,ffff8000217d8e58) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000217d8df8) at vfs_lookup+0x6cc sys/kern/vfs_lookup.c:560
namei(ffff8000217d8df8) at namei+0x36a sys/kern/vfs_lookup.c:244
vn_open(ffff8000217d8df8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:140
doopenat(ffff8000217a4d28,ffffff9c,200000c0,0,0,ffff8000217d8fe0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff8000217d9050) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xac5477e0690, count: -15
ddb> machine ddbcpu 1
No such command
ddb> trace
rw_enter(0,1) at rw_enter+0xf0 sys/kern/kern_rwlock.c:254
uvm_vnp_terminate(fffffd806bfbd438) at uvm_vnp_terminate+0x25 sys/uvm/uvm_vnode.c:426
vclean(fffffd806bfbd438,8,ffff8000217a4d28) at vclean+0x106 sys/kern/vfs_subr.c:1063
vgonel(fffffd806bfbd438,ffff8000217a4d28) at vgonel+0x79 sys/kern/vfs_subr.c:1175
checkalias(fffffd807e7a4e68,0,ffff8000006d9000) at checkalias+0x13c
ffs_vinit(ffff8000006d9000,ffff8000217d88f0) at ffs_vinit+0x10c sys/ufs/ffs/ffs_subr.c:266
ffs_vget(ffff8000006d9000,673f,ffff8000217d89c8) at ffs_vget+0x375 sys/ufs/ffs/ffs_vfsops.c:1409
ufs_lookup() at ufs_lookup+0x1229 sys/ufs/ufs/ufs_lookup.c:582
VOP_LOOKUP(fffffd8071e2bd98,ffff8000217d8e28,ffff8000217d8e58) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
vfs_lookup(ffff8000217d8df8) at vfs_lookup+0x6cc sys/kern/vfs_lookup.c:560
namei(ffff8000217d8df8) at namei+0x36a sys/kern/vfs_lookup.c:244
vn_open(ffff8000217d8df8,1,0) at vn_open+0x105 sys/kern/vfs_vnops.c:140
doopenat(ffff8000217a4d28,ffffff9c,200000c0,0,0,ffff8000217d8fe0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff8000217d9050) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xac5477e0690, count: -15
---
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syzbot
Jan 10, 2023, 9:32:34 PM1/10/23
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.
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