syzbot |
sign-in | mailing list | source | docs |
login: panic: kernel diagnostic assertion "p == curproc" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_vops.c", line 169
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*155092 7119 0 0x14000 0x200 0 systq
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821d5d2f) at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff8222900d,ffffffff8225c86f,a9,ffffffff82208fd2) at __assert+0x2b sys/kern/subr_prf.c:154
VOP_CLOSE(fffffd80645cf1b8,3,fffffd806c3bf9c0,0) at VOP_CLOSE+0x12f sys/kern/vfs_vops.c:170
vn_closefile(fffffd805d861008,0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd805d861008,0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614
fdrop(fffffd805d861008,0) at fdrop+0xc2 sys/kern/kern_descrip.c:1276
closef(fffffd805d861008,0) at closef+0x117 sys/kern/kern_descrip.c:1260
unp_gc(0) at unp_gc+0x172 sys/kern/uipc_usrreq.c:944
taskq_thread(ffffffff824bcfd0) at taskq_thread+0x52 sys/kern/kern_task.c:370
end trace frame: 0x0, count: 6
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
kernel diagnostic assertion "p == curproc" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_vops.c", line 169
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821d5d2f) at panic+0x15c sys/kern/subr_prf.c:207
__assert(ffffffff8222900d,ffffffff8225c86f,a9,ffffffff82208fd2) at __assert+0x2b sys/kern/subr_prf.c:154
VOP_CLOSE(fffffd80645cf1b8,3,fffffd806c3bf9c0,0) at VOP_CLOSE+0x12f sys/kern/vfs_vops.c:170
vn_closefile(fffffd805d861008,0) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd805d861008,0) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614
fdrop(fffffd805d861008,0) at fdrop+0xc2 sys/kern/kern_descrip.c:1276
closef(fffffd805d861008,0) at closef+0x117 sys/kern/kern_descrip.c:1260
unp_gc(0) at unp_gc+0x172 sys/kern/uipc_usrreq.c:944
taskq_thread(ffffffff824bcfd0) at taskq_thread+0x52 sys/kern/kern_task.c:370
end trace frame: 0x0, count: -9
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80001d2fc4d0
rbx 0xffff80001d2fc580
rdx 0x2
rcx 0x1
rax 0x1
r8 0xffff80001d2fc490
r9 0x1
r10 0xb204fdf8593ba94c
r11 0xbb5d56cdec2b8c46
r12 0x3000000008
r13 0xffff80001d2fc4e0
r14 0x100
r15 0x1
rip 0xffffffff813787c8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80001d2fc4c0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC (systq) pid=155092 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=32, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff80001d2e1ea0,0xffff80001d2e19d0
process=0xffff8000ffffe730 user=0xffff80001d2f7000, vmspace=0xffffffff82589be8
estcpu=1, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
14375 492296 72268 0 3 0x82 nanosleep syz-executor4776
72268 280627 18226 0 3 0x10008a pause ksh
18226 523033 42350 0 2 0x12 sshd
8170 67465 1 0 3 0x100083 ttyin getty
42350 402646 1 0 3 0x80 select sshd
54042 265534 11323 73 3 0x100090 kqread syslogd
11323 373894 1 0 3 0x100082 netio syslogd
78927 401793 1 77 3 0x100090 poll dhclient
52823 281111 1 0 3 0x80 poll dhclient
27301 263655 0 0 3 0x14200 bored smr
77987 69536 0 0 2 0x14200 zerothread
10542 381822 0 0 3 0x14200 aiodoned aiodoned
33313 201918 0 0 3 0x14200 syncer update
42375 255448 0 0 3 0x14200 cleaner cleaner
59446 247881 0 0 3 0x14200 reaper reaper
15492 301919 0 0 3 0x14200 pgdaemon pagedaemon
90496 136297 0 0 3 0x14200 bored crynlk
20088 497859 0 0 3 0x14200 bored crypto
29365 297857 0 0 3 0x40014200 acpi0 acpi0
27741 514511 0 0 2 0x14200 softnet
52379 480090 0 0 3 0x14200 bored systqmp
* 7119 155092 0 0 7 0x14200 systq
25501 507080 0 0 3 0x40014200 bored softclock
49423 441795 0 0 3 0x40014200 idle0
1 210475 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 9439 6319K 6320K 78643K 10536 0
pcb 13 8K 8K 78643K 13 0
rtable 61 1K 2K 78643K 117 0
ifaddr 24 7K 7K 78643K 24 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 13 0
mount 1 1K 1K 78643K 1 0
vnodes 1182 74K 74K 78643K 1187 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1794 195K 288K 78643K 12646 0
file desc 1 0K 0K 78643K 1 0
proc 47 38K 46K 78643K 278 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 19 95K 95K 78643K 19 0
exec 0 0K 1K 78643K 151 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 53 2K 3K 78643K 805 0
UVM aobj 2 2K 2K 78643K 2 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 3 0K 0K 78643K 3 0
temp 135 3039K 3089K 78643K 1535 0
kqueue 2 2K 2K 78643K 2 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 2 0 0 1 0 1 1 0 8 0
rtpcb 80 15 0 13 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 120 263 0 21 8 0 8 8 0 8 0
syncache 264 5 0 5 2 1 1 1 0 8 1
tcpcb 544 8 0 5 1 0 1 1 0 8 0
inpcb 280 22 0 16 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 97 0 0 7 0 7 7 0 8 0
art_table 32 98 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 1392 0 15 45 0 45 45 0 8 0
ffsino 240 1392 0 15 81 0 81 81 0 8 0
nchpl 144 1567 0 31 57 0 57 57 0 8 0
uvmvnodes 72 1401 0 0 26 0 26 26 0 8 0
vnodes 208 1401 0 0 74 0 74 74 0 8 0
namei 1024 3565 0 3565 2 1 1 1 0 8 1
scxspl 192 2735 0 2735 2 1 1 1 0 8 1
plimitpl 152 13 0 8 1 0 1 1 0 8 0
sigapl 424 309 0 284 4 0 4 4 0 8 0
knotepl 112 5 0 0 1 0 1 1 0 8 0
kqueuepl 144 1 0 0 1 0 1 1 0 8 0
pipelkpl 16 57 0 53 2 1 1 1 0 8 0
pipepl 120 114 0 107 2 1 1 1 0 8 0
fdescpl 432 295 0 284 2 0 2 2 0 8 0
filepl 120 1177 0 783 13 0 13 13 0 8 1
lockfpl 104 5 0 4 1 0 1 1 0 8 0
lockfspl 48 3 0 2 1 0 1 1 0 8 0
sessionpl 112 17 0 9 1 0 1 1 0 8 0
pgrppl 48 17 0 9 1 0 1 1 0 8 0
ucredpl 96 47 0 40 1 0 1 1 0 8 0
zombiepl 144 284 0 283 2 1 1 1 0 8 0
processpl 920 309 0 283 4 0 4 4 0 8 0
procpl 624 309 0 283 3 0 3 3 0 8 0
sockpl 400 300 0 50 26 0 26 26 0 8 1
mcl4k 4096 10 0 10 2 1 1 1 0 8 1
mcl2k 2048 5865 0 5836 8 3 5 6 0 8 1
mtagpl 80 2 0 2 1 1 0 1 0 8 0
mbufpl 256 10591 0 10311 19 1 18 18 0 8 0
bufpl 280 1751 0 66 121 0 121 121 0 8 0
anonpl 16 17913 0 16789 7 2 5 7 0 107 0
amapchunkpl 152 584 0 548 2 0 2 2 0 158 0
amappl16 192 186 0 183 1 0 1 1 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 1 0 1 1 1 0 1 0 8 0
amappl13 168 12 0 11 2 1 1 1 0 8 0
amappl12 160 6 0 6 1 1 0 1 0 8 0
amappl11 152 54 0 42 1 0 1 1 0 8 0
amappl10 144 2 0 0 1 0 1 1 0 8 0
amappl9 136 213 0 212 1 0 1 1 0 8 0
amappl8 128 199 0 198 1 0 1 1 0 8 0
amappl7 120 79 0 71 1 0 1 1 0 8 0
amappl6 112 11 0 11 2 2 0 1 0 8 0
amappl5 104 267 0 257 1 0 1 1 0 8 0
amappl4 96 417 0 389 1 0 1 1 0 8 0
amappl3 88 98 0 93 1 0 1 1 0 8 0
amappl2 80 705 0 657 3 1 2 2 0 8 1
amappl1 72 12692 0 12306 16 7 9 16 0 8 0
amappl 80 472 0 453 1 0 1 1 0 84 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 64 1 0 0 1 0 1 1 0 8 0
uaddrrnd 24 295 0 284 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 295 0 284 1 0 1 1 0 8 0
vmmpekpl 168 5411 0 5393 1 0 1 1 0 8 0
vmmpepl 168 27324 0 26579 55 19 36 48 0 357 3
vmsppl 272 294 0 284 1 0 1 1 0 8 0
pdppl 4096 596 0 568 5 0 5 5 0 8 0
pvpl 32 73176 0 70472 32 6 26 26 0 265 1
pmappl 200 294 0 284 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 161 0 8 5 0 5 5 0 8 0
ddb>
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/03/30 23:08 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | syz | C | ci-openbsd-main | |||
| 2020/03/30 22:50 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | syz | C | ci-openbsd-setuid | |||
| 2020/03/31 11:25 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-main | |||||
| 2020/03/31 10:18 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-main | |||||
| 2020/03/31 09:18 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 08:55 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 07:51 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-setuid | |||||
| 2020/03/31 07:33 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 06:29 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 06:07 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 05:04 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 04:37 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 03:37 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 02:38 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 01:38 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-main | |||||
| 2020/03/31 01:12 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 00:12 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-setuid | |||||
| 2020/03/31 00:09 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 00:03 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/31 00:03 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:59 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-setuid | |||||
| 2020/03/30 23:57 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-main | |||||
| 2020/03/30 23:57 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:57 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-main | |||||
| 2020/03/30 23:48 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-setuid | |||||
| 2020/03/30 23:47 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:46 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-setuid | |||||
| 2020/03/30 23:37 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-setuid | |||||
| 2020/03/30 23:29 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-main | |||||
| 2020/03/30 23:28 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:23 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:19 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-main | |||||
| 2020/03/30 23:18 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:18 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:18 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:09 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:02 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:01 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 23:00 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 22:58 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 22:57 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 22:56 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 22:55 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 22:54 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-multicore | |||||
| 2020/03/30 22:50 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-main | |||||
| 2020/03/30 22:30 | openbsd | f16a14f22029 | c8d1cc20 | .config | console log | report | ci-openbsd-setuid |