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| 🐞 Open [64] 🐞 Fixed [243] 🐞 Invalid [456] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
uvm_fault(0xffffffff82a30160, 0xffff80002115f002, 0, 2) -> d
kernel: page fault trap, code=0
Stopped at memset+0x45: repe stosb %es:(%rdi)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*388438 74857 73 0x1100010 0 0 syslogd
memset() at memset+0x45
ffs_write(ffff800021643300) at ffs_write+0x93c
VOP_WRITE(fffffd806e601750,ffff800021643520,3,fffffd807f7d7c60) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd806edc55a8,ffff800021643520,0) at vn_write+0x152 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000ffff87e8,e,ffff800021643520,0,ffff800021643620) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_writev(ffff8000ffff87e8,ffff8000216435c0,ffff800021643620) at sys_writev+0xa7 sys/kern/sys_generic.c:328
syscall(ffff800021643690) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe73b0, count: 7
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(0xffffffff82a30160, 0xffff80002115f002, 0, 2) -> d
ddb> trace
memset() at memset+0x45
ffs_write(ffff800021643300) at ffs_write+0x93c
VOP_WRITE(fffffd806e601750,ffff800021643520,3,fffffd807f7d7c60) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd806edc55a8,ffff800021643520,0) at vn_write+0x152 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000ffff87e8,e,ffff800021643520,0,ffff800021643620) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_writev(ffff8000ffff87e8,ffff8000216435c0,ffff800021643620) at sys_writev+0xa7 sys/kern/sys_generic.c:328
syscall(ffff800021643690) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe73b0, count: -8
ddb> show registers
rdi 0xffff80002115f002
rsi 0
rbp 0xffff800021643220
rbx 0x1
rdx 0x6
rcx 0x6
rax 0
r8 0x3ff8 __ALIGN_SIZE+0x2ff8
r9 0xffff800021643178
r10 0x480b22f3507be06f
r11 0xffff80002115f002
r12 0x30002 acpi_pdirpa+0x1be6a
r13 0xfffffd806ed74988
r14 0x4000 __ALIGN_SIZE+0x3000
r15 0xfffffd806ed74970
rip 0xffffffff823965d5 memset+0x45
cs 0x8
rflags 0x10202 __ALIGN_SIZE+0xf202
rsp 0xffff800021643028
ss 0x10
memset+0x45: repe stosb %es:(%rdi)
ddb> show proc
PROC (syslogd) pid=388438 stat=onproc
flags process=1100010<SUGID,PLEDGE,CHROOT> proc=0
pri=24, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff8d28,0xffff80002160b280
process=0xffff8000ffff63f8 user=0xffff80002163e000, vmspace=0xfffffd807f015990
estcpu=1, cpticks=2, pctcpu=0.2
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
31548 510533 27819 0 2 0x482 syz-executor171176059
27819 134387 63274 0 3 0x10008a sigsusp ksh
63274 313173 86820 0 3 0x9a kqread sshd
88100 108466 1 0 3 0x100083 ttyin getty
86820 504415 1 0 3 0x88 kqread sshd
*74857 388438 26166 73 7 0x1100010 syslogd
26166 42027 1 0 3 0x100082 netio syslogd
51182 81405 1 0 3 0x100080 kqread resolvd
50512 450739 23811 77 3 0x100092 kqread dhcpleased
44380 344297 23811 77 3 0x100092 kqread dhcpleased
23811 103476 1 0 3 0x80 kqread dhcpleased
69769 357670 0 0 3 0x14200 bored smr
570 413157 0 0 3 0x14200 pgzero zerothread
1615 100951 0 0 3 0x14200 aiodoned aiodoned
96969 120182 0 0 3 0x14200 syncer update
95729 404552 0 0 3 0x14200 cleaner cleaner
19563 506572 0 0 3 0x14200 reaper reaper
96820 351341 0 0 3 0x14200 pgdaemon pagedaemon
11236 474699 0 0 3 0x14200 bored viomb
12233 521673 0 0 3 0x40014200 acpi0 acpi0
70912 117453 0 0 3 0x14200 bored softnet
76525 276252 0 0 3 0x14200 bored softnet
37824 18499 0 0 3 0x14200 bored softnet
18962 86600 0 0 3 0x14200 bored softnet
85836 244562 0 0 3 0x14200 bored systqmp
34906 31956 0 0 3 0x14200 bored systq
17361 71843 0 0 3 0x40014200 bored softclock
6016 318401 0 0 3 0x40014200 idle0
1 416264 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 10135 6382K 6413K 78643K 11225 0
pcb 13 8K 8K 78643K 13 0
rtable 58 1K 2K 78643K 104 0
ifaddr 24 7K 7K 78643K 24 0
counters 19 16K 16K 78643K 19 0
ioctlops 0 0K 2K 78643K 1628 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1166 73K 73K 78643K 1180 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 1697 195K 286K 78643K 12548 0
file desc 1 0K 0K 78643K 1 0
proc 55 58K 59K 78643K 226 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 25 122K 122K 78643K 25 0
exec 0 0K 2K 78643K 1994 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 51 3K 5K 78643K 2859 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 3 0K 0K 78643K 3 0
temp 18 4709K 4773K 78643K 3876 0
kqueue 11 16K 18K 78643K 24 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 17 0 14 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 136 33 0 20 1 0 1 1 0 8 0
syncache 296 5 0 5 2 2 0 1 0 8 0
tcpcb 736 8 0 5 1 0 1 1 0 8 0
arp 88 2 0 0 1 0 1 1 0 8 0
inpcb 312 25 0 19 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
dino2pl 256 1417 0 38 87 0 87 87 0 8 0
ffsino 240 1417 0 38 82 0 82 82 0 8 0
nchpl 144 1604 0 47 58 0 58 58 0 8 0
uvmvnodes 80 1427 0 0 30 0 30 30 0 8 0
vnodes 224 1427 0 0 84 0 84 84 0 8 0
namei 1024 12191 0 12191 2 1 1 1 0 8 1
kstatmem 264 6 0 0 1 0 1 1 0 8 0
scxspl 216 7113 0 7113 13 12 1 8 0 8 1
plimitpl 152 15 0 9 1 0 1 1 0 8 0
sigapl 424 1897 0 1867 4 0 4 4 0 8 0
knotepl 120 18505 0 18476 3 2 1 2 0 8 0
kqueuepl 184 20 0 13 1 0 1 1 0 8 0
pipepl 304 79 0 76 2 1 1 1 0 8 0
fdescpl 432 1881 0 1868 2 0 2 2 0 8 0
filepl 120 7455 0 7402 2 0 2 2 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 17 0 9 1 0 1 1 0 8 0
pgrppl 48 17 0 9 1 0 1 1 0 8 0
ucredpl 96 65 0 54 1 0 1 1 0 8 0
zombiepl 144 1868 0 1867 2 1 1 1 0 8 0
processpl 1000 1897 0 1867 5 1 4 5 0 8 0
procpl 672 1897 0 1867 3 0 3 3 0 8 0
sockpl 448 75 0 53 3 0 3 3 0 8 0
mcl8k 8192 9 0 9 2 2 0 1 0 8 0
mcl4k 4096 5 0 5 2 2 0 1 0 8 0
mcl2k 2048 6431 0 6402 8 4 4 6 0 8 0
mtagpl 96 3 0 3 1 1 0 1 0 8 0
mbufpl 256 15921 0 15853 7 1 6 6 0 8 0
bufpl 288 6757 0 468 450 0 450 450 0 8 0
anonpl 24 46463 0 44684 15 4 11 13 0 188 0
amapchunkpl 152 4175 0 4089 5 1 4 5 0 158 0
amappl16 200 1687 0 1683 1 0 1 1 0 8 0
amappl13 176 32 0 31 2 1 1 1 0 8 0
amappl12 168 3 0 3 2 2 0 1 0 8 0
amappl11 160 60 0 47 1 0 1 1 0 8 0
amappl10 152 1 0 0 1 0 1 1 0 8 0
amappl9 144 483 0 481 1 0 1 1 0 8 0
amappl8 136 333 0 332 2 1 1 1 0 8 0
amappl7 128 49 0 46 1 0 1 1 0 8 0
amappl6 120 92 0 82 1 0 1 1 0 8 0
amappl5 112 1684 0 1675 1 0 1 1 0 8 0
amappl4 104 566 0 547 1 0 1 1 0 8 0
amappl3 96 348 0 329 1 0 1 1 0 8 0
amappl2 88 419 0 381 2 0 2 2 0 8 0
amappl1 80 15132 0 14758 11 2 9 9 0 8 0
amappl 88 2606 0 2571 1 0 1 1 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1881 0 1868 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1881 0 1868 1 0 1 1 0 8 0
vmmpekpl 168 9182 0 9170 1 0 1 1 0 8 0
vmmpepl 168 50537 0 49761 44 9 35 38 0 357 0
vmsppl 272 1880 0 1868 2 1 1 2 0 8 0
rwobjpl 24 10681 0 8735 13 0 13 13 0 8 0
pdppl 4096 3768 0 3736 52 18 34 40 0 8 2
pvpl 32 164180 0 160561 40 10 30 33 0 265 0
pmappl 216 1880 0 1868 1 0 1 1 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 713 0 31 20 0 20 20 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
memset() at memset+0x45
ffs_write(ffff800021643300) at ffs_write+0x93c
VOP_WRITE(fffffd806e601750,ffff800021643520,3,fffffd807f7d7c60) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd806edc55a8,ffff800021643520,0) at vn_write+0x152 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000ffff87e8,e,ffff800021643520,0,ffff800021643620) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_writev(ffff8000ffff87e8,ffff8000216435c0,ffff800021643620) at sys_writev+0xa7 sys/kern/sys_generic.c:328
syscall(ffff800021643690) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe73b0, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
memset() at memset+0x45
ffs_write(ffff800021643300) at ffs_write+0x93c
VOP_WRITE(fffffd806e601750,ffff800021643520,3,fffffd807f7d7c60) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
vn_write(fffffd806edc55a8,ffff800021643520,0) at vn_write+0x152 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000ffff87e8,e,ffff800021643520,0,ffff800021643620) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_writev(ffff8000ffff87e8,ffff8000216435c0,ffff800021643620) at sys_writev+0xa7 sys/kern/sys_generic.c:328
syscall(ffff800021643690) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffe73b0, count: -8
| Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ci-openbsd-main | 2022/06/14 03:13 | openbsd | db879ab8e4d2 | 0f087040 | .config | console log | report | syz | C | uvm_fault: memset | ||
| ci-openbsd-multicore | 2021/08/08 04:45 | openbsd | 3395d9ad18ab | 6972b106 | .config | console log | report | syz | C | uvm_fault: memset | ||
| ci-openbsd-multicore | 2023/02/07 13:57 | openbsd | 0da56a053721 | b68d0e75 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | uvm_fault: memset | |||
| ci-openbsd-main | 2023/01/19 09:56 | openbsd | 7c5efb429235 | 66fca3ae | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | uvm_fault: memset | |||
| ci-openbsd-main | 2023/01/14 18:23 | openbsd | 76b90a235db8 | a63719e7 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | uvm_fault: memset | |||
| ci-openbsd-multicore | 2022/12/20 16:12 | openbsd | fea828ab47f1 | d3e76707 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | uvm_fault: memset | |||
| ci-openbsd-main | 2022/11/23 09:56 | openbsd | d0597228d649 | 75740b3f | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | uvm_fault: memset | |||
| ci-openbsd-main | 2022/11/21 05:45 | openbsd | 11064cccbc3a | 5bb70014 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | uvm_fault: memset | |||
| ci-openbsd-main | 2022/10/08 20:04 | openbsd | 5cb1d9dce18f | aea5da89 | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | uvm_fault: memset | |||
| ci-openbsd-main | 2022/09/21 18:05 | openbsd | 3fc7a1c74b2f | 380f82fb | .config | console log | report | [disk image] [bsd.gdb] [kernel image] | uvm_fault: memset | |||
| ci-openbsd-main | 2022/09/20 05:04 | openbsd | 00f5031a633c | dd9a85ff | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-multicore | 2022/08/31 17:08 | openbsd | 4bbd1b5285d2 | 51e54e30 | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-multicore | 2022/08/25 23:29 | openbsd | 59a54550596b | e5fb9cf5 | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-main | 2022/07/13 07:55 | openbsd | 1cc9250c5648 | 5d921b08 | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-main | 2022/03/08 04:09 | openbsd | 30dd31d2109d | 7bdd8b2c | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-main | 2022/03/06 11:45 | openbsd | a4cc87870bbc | 7bdd8b2c | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-multicore | 2022/01/25 00:23 | openbsd | 0e162ba39fbe | 2cbffd88 | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-multicore | 2022/01/24 19:45 | openbsd | 7f22cd74b38a | 96ff84ef | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-multicore | 2022/01/24 18:41 | openbsd | 7f22cd74b38a | 96ff84ef | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-multicore | 2022/01/24 18:13 | openbsd | 7f22cd74b38a | 96ff84ef | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-multicore | 2022/01/24 17:25 | openbsd | 7f22cd74b38a | 96ff84ef | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-multicore | 2022/01/24 16:50 | openbsd | 7f22cd74b38a | 96ff84ef | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-main | 2022/01/16 11:04 | openbsd | b0877370f8cb | 723cfaf0 | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-main | 2021/12/14 11:08 | openbsd | a7a431551857 | 5d14b1ea | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-multicore | 2021/12/10 00:52 | openbsd | f231ff592234 | b54aa474 | .config | console log | report | uvm_fault: memset | ||||
| ci-openbsd-main | 2021/08/29 18:49 | openbsd | 227bbaa63360 | be2c130d | .config | console log | report | uvm_fault: memset |