syzbot |
sign-in | mailing list | source | docs |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| openbsd | panic: bad dir (2) | 44 | 1042d | 1054d | 0/3 | auto-closed as invalid on 2022/03/15 02:49 | |||
| openbsd | panic: bad dir (3) | C | 101 | 8d11h | 947d | 0/3 | upstream: reported C repro on 2022/04/19 10:50 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2019/05/10 06:46 | 5m | dvyukov@google.com | https://github.com/openbsd/src.git 2f8707c8 | error |
panic: bad dir
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*195560 7361 0 0 0 0K syz-executor5473
285159 27159 0 0x2 0x480 1 syz-executor5473
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:212
ufs_dirbadentry(ffff800020bb9678,ffff800020bb9678,b5f95c3bdeec69ca) at ufs_dirbadentry
VOP_LOOKUP(fffffd807efca640,ffff800020bb9720,ffff800020bb96e0) at VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90
unveil_find_cover(fffffd806ec9bbc0,ffff800020b84970) at unveil_find_cover+0x139 sys/kern/kern_unveil.c:290
unveil_add_vnode() at unveil_add_vnode+0x221 sys/kern/kern_unveil.c:471
unveil_add(ffff800020b84970,ffff800020bb9ce8,ffff800020bb9db3) at unveil_add+0x273 sys/kern/kern_unveil.c:597
sys_unveil(ffff800020b84970,ffff800020bb9e28,ffff800020bb9e90) at sys_unveil+0x405 sys/kern/vfs_syscalls.c:937
syscall(ffff800020bb9f00) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline]
syscall(ffff800020bb9f00) at syscall+0x552 sys/arch/amd64/amd64/trap.c:574
Xsyscall(6,0,7f7ffffdf9d8,0,30656c69662f2e,3baafa94648) at Xsyscall+0x128
end trace frame: 0x0, count: 5
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
bad dir
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:212
ufs_dirbadentry(ffff800020bb9678,ffff800020bb9678,b5f95c3bdeec69ca) at ufs_dirbadentry
VOP_LOOKUP(fffffd807efca640,ffff800020bb9720,ffff800020bb96e0) at VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90
unveil_find_cover(fffffd806ec9bbc0,ffff800020b84970) at unveil_find_cover+0x139 sys/kern/kern_unveil.c:290
unveil_add_vnode() at unveil_add_vnode+0x221 sys/kern/kern_unveil.c:471
unveil_add(ffff800020b84970,ffff800020bb9ce8,ffff800020bb9db3) at unveil_add+0x273 sys/kern/kern_unveil.c:597
sys_unveil(ffff800020b84970,ffff800020bb9e28,ffff800020bb9e90) at sys_unveil+0x405 sys/kern/vfs_syscalls.c:937
syscall(ffff800020bb9f00) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline]
syscall(ffff800020bb9f00) at syscall+0x552 sys/arch/amd64/amd64/trap.c:574
Xsyscall(6,0,7f7ffffdf9d8,0,30656c69662f2e,3baafa94648) at Xsyscall+0x128
end trace frame: 0x0, count: -10
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020bb9490
rbx 0xffff800020bb9540
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff81a425b3 kprintf+0x173
r9 0x1
r10 0xde9ae3120fd603b1
r11 0xbae544e210691a1c
r12 0x3000000008
r13 0xffff800020bb94a0
r14 0x100
r15 0x1
rip 0xffffffff812575e8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020bb9480
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor5473) pid=195560 stat=onproc
flags process=0 proc=0
pri=17, usrpri=53, nice=20
forw=0xffffffffffffffff, list=0xffff800020b85078,0xffffffff823445b0
process=0xffff800020b3b078 user=0xffff800020bb4000, vmspace=0xfffffd806f1cd008
estcpu=3, cpticks=11, pctcpu=0.4
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
* 7361 195560 27159 0 7 0 syz-executor5473
27159 285159 29228 0 7 0x482 syz-executor5473
29228 409869 31474 0 3 0x10008a pause ksh
31474 364571 14667 0 3 0x92 select sshd
78617 492566 1 0 3 0x100083 ttyin getty
14667 459718 1 0 3 0x80 select sshd
25232 87488 30864 74 3 0x100092 bpf pflogd
30864 118616 1 0 3 0x80 netio pflogd
92316 147242 46077 73 2 0x100090 syslogd
46077 118617 1 0 3 0x100082 netio syslogd
59888 76231 1 77 3 0x100090 poll dhclient
96737 516322 1 0 3 0x80 poll dhclient
79185 487767 0 0 3 0x14200 pgzero zerothread
27899 33126 0 0 3 0x14200 aiodoned aiodoned
6788 319596 0 0 3 0x14200 syncer update
4512 64297 0 0 3 0x14200 cleaner cleaner
17790 466310 0 0 3 0x14200 reaper reaper
99622 404291 0 0 3 0x14200 pgdaemon pagedaemon
26082 211113 0 0 3 0x14200 bored crynlk
66782 383542 0 0 3 0x14200 bored crypto
93992 188778 0 0 3 0x40014200 acpi0 acpi0
63904 23371 0 0 3 0x40014200 idle1
28543 209539 0 0 3 0x14200 bored softnet
22272 85459 0 0 3 0x14200 bored systqmp
79932 163234 0 0 3 0x14200 bored systq
29600 458283 0 0 3 0x40014200 bored softclock
71952 351582 0 0 3 0x40014200 idle0
70782 181936 0 0 3 0x14200 bored smr
1 93153 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 7361 (syz-executor5473) thread 0xffff800020b84970 (195560)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82374b68)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1161
#1 __mp_acquire_count+0x51 sys/kern/kern_lock.c:227
#2 mi_switch+0x38c sys/kern/sched_bsd.c:439
#3 sleep_finish+0x110 sys/kern/kern_synch.c:303
#4 sleep_finish_all+0x34 sleep_finish_timeout sys/kern/kern_synch.c:327 [inline]
#4 sleep_finish_all+0x34 sys/kern/kern_synch.c:157
#5 tsleep+0x195 sys/kern/kern_synch.c:149
#6 biowait+0xa1 sys/kern/vfs_bio.c:1228
#7 ffs_bufatoff+0x14f sys/ufs/ffs/ffs_subr.c:71
#8 ufs_lookup+0x48d sys/ufs/ufs/ufs_lookup.c:258
#9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90
#10 unveil_find_cover+0x139 sys/kern/kern_unveil.c:290
#11 unveil_add_vnode+0x221 sys/kern/kern_unveil.c:471
#12 unveil_add+0x273 sys/kern/kern_unveil.c:597
#13 sys_unveil+0x405 sys/kern/vfs_syscalls.c:937
#14 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline]
#14 syscall+0x552 sys/arch/amd64/amd64/trap.c:574
#15 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807ed21d58)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1161
#1 rw_enter+0x414 sys/kern/kern_rwlock.c:278
#2 rrw_enter+0x4f sys/kern/kern_rwlock.c:407
#3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:602
#4 vn_lock+0x6e sys/kern/vfs_vnops.c:549
#5 vget+0x1c3 sys/kern/vfs_subr.c:672
#6 unveil_find_cover+0x10d sys/kern/kern_unveil.c:286
#7 unveil_add_vnode+0x221 sys/kern/kern_unveil.c:471
#8 unveil_add+0x273 sys/kern/kern_unveil.c:597
#9 sys_unveil+0x405 sys/kern/vfs_syscalls.c:937
#10 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline]
#10 syscall+0x552 sys/arch/amd64/amd64/trap.c:574
#11 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9450 6382K 6382K 78643K 10537 0 0
pcb 25 9K 9K 78643K 57 0 0
rtable 61 2K 2K 78643K 125 0 0
ifaddr 25 7K 7K 78643K 26 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1467 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1167 73K 73K 78643K 1173 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 1K 78643K 2 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 2 0K 0K 78643K 2 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12628 0 0
file desc 1 0K 0K 78643K 1 0 0
proc 54 70K 70K 78643K 281 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
in_multi 11 0K 0K 78643K 11 0 0
ether_multi 1 0K 0K 78643K 1 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 18 79K 79K 78643K 18 0 0
exec 0 0K 1K 78643K 179 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 55 3K 3K 78643K 767 0 0
UVM aobj 2 2K 2K 78643K 2 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
NDP 4 0K 0K 78643K 4 0 0
temp 39 2712K 2776K 78643K 2811 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 2 0 0 1 0 1 1 0 8 0
inpcbpl 280 29 0 23 1 0 1 1 0 8 0
plimitpl 152 14 0 8 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
syncache 264 5 0 5 1 0 1 1 0 8 1
tcpcb 544 8 0 5 1 0 1 1 0 8 0
pfosfp 40 846 0 423 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 8 0 1 1 0 1 1 0 8 0
pfstkey 112 8 0 1 1 0 1 1 0 8 0
pfstate 328 8 0 1 1 0 1 1 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 96 0 0 6 0 6 6 0 8 0
art_table 32 97 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1395 0 19 45 0 45 45 0 8 0
ffsino 272 1395 0 19 92 0 92 92 0 8 0
nchpl 144 1569 0 32 57 0 57 57 0 8 0
uvmvnodes 72 1405 0 0 26 0 26 26 0 8 0
vnodes 200 1405 0 0 74 0 74 74 0 8 0
namei 1024 3557 0 3556 2 1 1 1 0 8 0
percpumem 16 30 0 0 1 0 1 1 0 8 0
scxspl 192 5533 0 5533 7 1 6 6 0 8 6
sigapl 432 206 0 193 2 0 2 2 0 8 0
knotepl 112 5 0 0 1 0 1 1 0 8 0
kqueuepl 104 1 0 0 1 0 1 1 0 8 0
pipepl 112 134 0 127 2 1 1 1 0 8 0
fdescpl 488 207 0 193 3 1 2 3 0 8 0
filepl 152 960 0 912 2 0 2 2 0 8 0
lockfpl 104 6 0 6 1 1 0 1 0 8 0
lockfspl 48 3 0 3 1 1 0 1 0 8 0
sessionpl 112 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 52 0 43 1 0 1 1 0 8 0
zombiepl 144 193 0 193 2 1 1 1 0 8 1
processpl 840 222 0 193 4 0 4 4 0 8 0
procpl 600 222 0 193 3 0 3 3 0 8 0
sockpl 384 73 0 55 2 0 2 2 0 8 0
mcl4k 4096 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 74 0 0 10 0 10 10 0 8 0
mtagpl 80 1 0 0 1 0 1 1 0 8 0
mbufpl 256 97 0 0 6 0 6 6 0 8 0
bufpl 256 7023 0 2584 278 0 278 278 0 8 0
anonpl 16 23378 0 18060 24 2 22 22 0 125 0
amapchunkpl 152 570 0 517 3 0 3 3 0 158 0
amappl16 192 328 0 83 13 0 13 13 0 8 0
amappl14 176 16 0 15 2 1 1 1 0 8 0
amappl12 160 4 0 4 1 1 0 1 0 8 0
amappl11 152 48 0 30 1 0 1 1 0 8 0
amappl10 144 58 0 56 1 0 1 1 0 8 0
amappl9 136 419 0 418 1 0 1 1 0 8 0
amappl8 128 99 0 95 1 0 1 1 0 8 0
amappl7 120 19 0 17 1 0 1 1 0 8 0
amappl6 112 47 0 41 1 0 1 1 0 8 0
amappl5 104 126 0 113 1 0 1 1 0 8 0
amappl4 96 449 0 423 1 0 1 1 0 8 0
amappl3 88 106 0 101 1 0 1 1 0 8 0
amappl2 80 629 0 587 1 0 1 1 0 8 0
amappl1 72 13483 0 13064 15 5 10 15 0 8 0
amappl 72 429 0 406 1 0 1 1 0 75 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma64 64 259 0 259 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 17 0 17 1 1 0 1 0 8 0
aobjpl 64 1 0 0 1 0 1 1 0 8 0
uaddrrnd 24 207 0 193 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 207 0 193 1 0 1 1 0 8 0
vmmpekpl 168 5646 0 5627 2 0 2 2 0 8 0
vmmpepl 168 28102 0 27086 55 10 45 45 0 357 0
vmsppl 360 206 0 193 2 0 2 2 0 8 0
pdppl 4096 422 0 386 6 1 5 6 0 8 0
pvpl 32 88921 0 81837 61 3 58 58 0 265 0
pmappl 232 206 0 193 1 0 1 1 0 8 0
extentpl 40 39 0 25 1 0 1 1 0 8 0
phpool 112 410 0 5 12 0 12 12 0 8 0
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019/05/09 12:41 | openbsd | 2f8707c8a257 | 1ab4c999 | .config | console log | report | syz | C | ci-openbsd-multicore | |||
| 2019/05/09 10:20 | openbsd | 2f8707c8a257 | 1ab4c999 | .config | console log | report | syz | C | ci-openbsd-multicore | |||
| 2019/05/10 07:55 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 07:37 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 07:18 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 07:03 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 06:50 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 06:24 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 06:07 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/05/10 05:48 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 05:28 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 05:11 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 04:53 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 04:28 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 04:09 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 03:51 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 03:27 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 03:10 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/05/10 02:50 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 02:28 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 02:12 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/05/10 01:56 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 01:30 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/05/10 00:59 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 00:39 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/10 00:17 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 23:55 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 23:42 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 23:27 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 23:10 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 22:55 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 22:38 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 22:22 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/05/09 22:04 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 21:50 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 21:33 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/05/09 21:16 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 21:01 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 20:45 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 20:19 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 20:00 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 19:43 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 19:22 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 19:02 | openbsd | 8d0369da87f8 | 214bf476 | .config | console log | report | ci-openbsd-main | |||||
| 2019/05/09 07:57 | openbsd | 2f8707c8a257 | 1ab4c999 | .config | console log | report | ci-openbsd-main |