| Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|
| kernel: page fault trap, code=0 (2) | 2 | 2081d | 2081d | 0/3 | closed as dup on 2019/03/15 22:11 |
syzbot |
sign-in | mailing list | source | docs |
| Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|
| kernel: page fault trap, code=0 (2) | 2 | 2081d | 2081d | 0/3 | closed as dup on 2019/03/15 22:11 |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| openbsd | uvm_fault: rtable_satoplen (2) | syz | 101 | 2064d | 2073d | 3/3 | fixed on 2019/04/04 06:33 | ||
| openbsd | uvm_fault: rtable_satoplen (3) | syz | 237 | 1858d | 1901d | 0/3 | closed as invalid on 2020/02/21 15:01 |
uvm_fault(0xffffffff8233ef50, 0xffff8000019bc002, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
kernel page fault
uvm_fault(0xffffffff8233ef50, 0xffff8000019bc002, 0, 1) -> e
rtable_satoplen(21,ffff8000019bbf59) at rtable_satoplen+0x150 sys/net/rtable.c:888
end trace frame: 0xffff800020c46c50, count: 0
ddb{0}> trace
rtable_satoplen(21,ffff8000019bbf59) at rtable_satoplen+0x150 sys/net/rtable.c:888
rtable_lookup(0,ffff8000019bbf09,ffff8000019bbf59,ffff8000019bbf11,21) at rtable_lookup+0xfd sys/net/rtable.c:391
rtm_output(ffff8000019bbf00,ffff800020c46d40,ffff800020c46d48,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122
route_output(fffffd807d7c7100,fffffd806b876310,0,0) at route_output+0x79b sys/net/rtsock.c:806
route_usrreq(fffffd806b876310,9,fffffd807d7c7100,0,0,ffff800020b292d8) at route_usrreq+0x35d sys/net/rtsock.c:271
sosend(fffffd806b876310,0,ffff800020c47008,0,0,0) at sosend+0x6eb sys/kern/uipc_socket.c:513
sendit(ffff800020b292d8,3,ffff800020c470c8,0,ffff800020c47190) at sendit+0x590 sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800020b292d8,ffff800020c471a8,ffff800020c47190) at sys_sendto+0x92
syscall(ffff800020c47240) at syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline]
syscall(ffff800020c47240) at syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574
Xsyscall(6,0,ffffffffffffffd8,0,6,87c7d635010) at Xsyscall+0x128
end of kernel
end trace frame: 0x87ea9c222a0, count: -10
ddb{0}> show registers
rdi 0
rsi 0xaa
rbp 0xffff800020c46bb0
rbx 0xffffffffffffff5a
rdx 0xffff8000019bbf5d
rcx 0xffff8000019bc003
rax 0xffff8000019bc003
r8 0x21
r9 0x1
r10 0x4
r11 0xf44328aa6f578d8a
r12 0
r13 0xffff8000019bc003
r14 0xffffffff82188408 mplsdomain
r15 0x4
rip 0xffffffff812ab6d0 rtable_satoplen+0x150
cs 0x8
rflags 0x10287 __ALIGN_SIZE+0xf287
rsp 0xffff800020c46b60
ss 0x10
rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d
ddb{0}> show proc
PROC (syz-executor.1) pid=308849 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=65, usrpri=65, nice=20
forw=0xffffffffffffffff, list=0xffff800020b29788,0xffffffff823ddcc0
process=0xffff800020b7c018 user=0xffff800020c42000, vmspace=0xfffffd807f00b9d8
estcpu=31, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
42623 246740 51441 0 2 0 syz-executor.1
*42623 308849 51441 0 7 0x4000000 syz-executor.1
58603 57691 51249 0 2 0 syz-executor.0
58603 474856 51249 0 3 0x4000080 msgwait syz-executor.0
18417 115145 1 0 3 0x100083 ttyin getty
77460 466251 0 0 3 0x14200 bored sosplice
51441 224734 6380 0 3 0x82 nanosleep syz-executor.1
51249 71979 6380 0 3 0x82 nanosleep syz-executor.0
6380 204357 98680 0 3 0x82 thrsleep syz-fuzzer
6380 96541 98680 0 3 0x4000082 thrsleep syz-fuzzer
6380 49350 98680 0 3 0x4000082 thrsleep syz-fuzzer
6380 411882 98680 0 3 0x4000082 kqread syz-fuzzer
6380 193544 98680 0 3 0x4000082 thrsleep syz-fuzzer
6380 377417 98680 0 3 0x4000082 thrsleep syz-fuzzer
6380 381129 98680 0 3 0x4000082 thrsleep syz-fuzzer
6380 445114 98680 0 3 0x4000082 thrsleep syz-fuzzer
6380 341268 98680 0 3 0x4000082 thrsleep syz-fuzzer
6380 155087 98680 0 3 0x4000082 thrsleep syz-fuzzer
6380 496500 98680 0 3 0x4000082 thrsleep syz-fuzzer
6380 283303 98680 0 3 0x4000082 thrsleep syz-fuzzer
98680 508528 4013 0 3 0x10008a pause ksh
4013 386042 93551 0 3 0x92 select sshd
93551 246008 1 0 3 0x80 select sshd
46010 365321 48680 74 3 0x100092 bpf pflogd
48680 464542 1 0 3 0x80 netio pflogd
23458 509322 5851 73 7 0x100090 syslogd
5851 414659 1 0 3 0x100082 netio syslogd
24321 486696 1 77 3 0x100090 poll dhclient
70698 129519 1 0 3 0x80 poll dhclient
2928 356016 0 0 2 0x14200 zerothread
97963 333752 0 0 3 0x14200 aiodoned aiodoned
36561 160281 0 0 3 0x14200 syncer update
13935 403707 0 0 3 0x14200 cleaner cleaner
7403 450437 0 0 3 0x14200 reaper reaper
17018 81218 0 0 3 0x14200 pgdaemon pagedaemon
66344 232614 0 0 3 0x14200 bored crynlk
57692 67380 0 0 3 0x14200 bored crypto
80163 420715 0 0 3 0x40014200 acpi0 acpi0
42754 58019 0 0 3 0x40014200 idle1
82416 441974 0 0 3 0x14200 bored softnet
59779 435008 0 0 3 0x14200 bored systqmp
43835 17329 0 0 3 0x14200 bored systq
68658 445737 0 0 3 0x40014200 bored softclock
74045 77969 0 0 3 0x40014200 idle0
9225 389335 0 0 3 0x14200 bored smr
1 460641 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 42623 (syz-executor.1) thread 0xffff800020b292d8 (308849)
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff823d1188) locked @ /syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/trap.c:161
#0 witness_lock+0x594 sys/kern/subr_witness.c:1201
#1 solock+0x7e sys/kern/uipc_socket2.c:292
#2 sosend+0x586 sys/kern/uipc_socket.c:501
#3 sendit+0x590 sys/kern/uipc_syscalls.c:662
#4 sys_sendto+0x92
#5 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline]
#5 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574
#6 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9529 6416K 6419K 78643K 10732 0 0
pcb 27 9K 11K 78643K 275 0 0
rtable 101 4K 4K 78643K 253 0 0
ifaddr 62 13K 13K 78643K 95 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1474 0 0
iov 0 0K 16K 78643K 51 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1204 75K 76K 78643K 1436 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 5K 78643K 9 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 12 0K 1K 78643K 87 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12628 0 0
file desc 6 17K 21K 78643K 395 0 0
sigio 0 0K 0K 78643K 6 0 0
proc 54 51K 71K 78643K 404 0 0
subproc 64 65538K 67586K 78643K 70 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 0K 78643K 57 0 0
in_multi 33 2K 2K 78643K 42 0 0
ether_multi 1 0K 0K 78643K 2 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 78 344K 344K 78643K 78 0 0
exec 0 0K 1K 78643K 225 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 97 21K 21K 78643K 2122 0 0
UVM aobj 33 2K 2K 78643K 38 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 1K 78643K 30 0 0
NDP 13 0K 0K 78643K 25 0 0
temp 168 2373K 2439K 78643K 4178 0 0
kqueue 0 0K 0K 78643K 4 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 4 0 0 1 0 1 1 0 8 0
inpcbpl 280 242 0 235 1 0 1 1 0 8 0
plimitpl 152 29 0 21 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtentry 112 41 0 1 2 0 2 2 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpcb 544 93 0 89 1 0 1 1 0 8 0
nd6 48 4 0 0 1 0 1 1 0 8 0
ppxss 1128 6 0 6 2 2 0 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 17 0 4 1 0 1 1 0 8 0
pfstkey 112 17 0 4 1 0 1 1 0 8 0
pfstate 328 17 0 4 2 0 2 2 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 256 185 0 0 12 0 12 12 0 8 0
art_table 32 186 0 0 2 0 2 2 0 8 0
art_node 16 40 0 6 1 0 1 1 0 8 0
sysvmsgpl 40 11 0 4 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 85 0 75 1 0 1 1 0 8 0
shmpl 112 36 0 5 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 2184 0 766 46 0 46 46 0 8 0
ffsino 272 2184 0 766 95 0 95 95 0 8 0
nchpl 144 2999 0 1370 61 0 61 61 0 8 0
uvmvnodes 72 2267 0 0 42 0 42 42 0 8 0
vnodes 200 2267 0 0 120 0 120 120 0 8 0
namei 1024 8300 0 8300 1 0 1 1 0 8 1
percpumem 16 30 0 0 1 0 1 1 0 8 0
scxspl 192 7465 0 7465 7 6 1 5 0 8 1
sigapl 432 592 0 576 2 0 2 2 0 8 0
futexpl 56 5018 0 5018 1 0 1 1 0 8 1
knotepl 112 178 0 151 2 1 1 2 0 8 0
kqueuepl 104 144 0 142 1 0 1 1 0 8 0
pipepl 112 372 0 353 2 1 1 2 0 8 0
fdescpl 488 593 0 576 3 0 3 3 0 8 0
filepl 152 3482 0 3381 6 1 5 6 0 8 1
lockfpl 104 129 0 129 2 1 1 1 0 8 1
lockfspl 32 156 0 156 2 1 1 1 0 8 1
sessionpl 112 19 0 8 1 0 1 1 0 8 0
pgrppl 48 25 0 14 1 0 1 1 0 8 0
ucredpl 96 685 0 676 1 0 1 1 0 8 0
zombiepl 144 576 0 576 1 0 1 1 0 8 1
processpl 840 609 0 576 4 0 4 4 0 8 0
procpl 600 1457 0 1411 4 0 4 4 0 8 0
sosppl 128 4 0 4 2 2 0 1 0 8 0
sockpl 384 470 0 449 4 1 3 4 0 8 0
mcl64k 65536 7 0 0 1 0 1 1 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl12k 12288 6 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 5 0 0 1 0 1 1 0 8 0
mcl2k 2048 124 0 0 15 0 15 15 0 8 0
mtagpl 80 1 0 0 1 0 1 1 0 8 0
mbufpl 256 141 0 0 8 0 8 8 0 8 0
bufpl 256 6059 0 1045 314 0 314 314 0 8 0
anonpl 16 54852 0 46034 39 2 37 37 0 125 0
amapchunkpl 152 2863 0 2751 7 2 5 6 0 158 0
amappl16 192 2205 0 1750 25 1 24 24 0 8 1
amappl15 184 199 0 197 1 0 1 1 0 8 0
amappl14 176 29 0 23 1 0 1 1 0 8 0
amappl13 168 26 0 23 1 0 1 1 0 8 0
amappl12 160 22 0 19 1 0 1 1 0 8 0
amappl11 152 397 0 382 1 0 1 1 0 8 0
amappl10 144 71 0 65 1 0 1 1 0 8 0
amappl9 136 545 0 541 1 0 1 1 0 8 0
amappl8 128 135 0 119 1 0 1 1 0 8 0
amappl7 120 26 0 23 1 0 1 1 0 8 0
amappl6 112 56 0 48 1 0 1 1 0 8 0
amappl5 104 314 0 299 1 0 1 1 0 8 0
amappl4 96 325 0 300 2 1 1 2 0 8 0
amappl3 88 145 0 140 1 0 1 1 0 8 0
amappl2 80 4496 0 4429 2 0 2 2 0 8 0
amappl1 72 22135 0 21672 24 14 10 19 0 8 0
amappl 72 1691 0 1649 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 37 0 5 1 0 1 1 0 8 0
uaddrrnd 24 593 0 576 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 593 0 576 1 0 1 1 0 8 0
vmmpekpl 168 8980 0 8957 2 0 2 2 0 8 0
vmmpepl 168 68499 0 66939 86 16 70 75 0 357 2
vmsppl 360 592 0 576 2 0 2 2 0 8 0
pdppl 4096 1194 0 1152 6 0 6 6 0 8 0
pvpl 32 192995 0 180938 110 6 104 104 0 265 6
pmappl 224 592 0 576 2 1 1 2 0 8 0
extentpl 40 39 0 25 1 0 1 1 0 8 0
phpool 112 464 0 3 14 0 14 14 0 8 0
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019/03/22 09:51 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/22 08:09 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/22 06:23 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/22 03:39 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/22 02:05 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/21 23:55 | openbsd | 31520b764003 | dce6e62f | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/21 19:11 | openbsd | f475d39eb98b | f6094a8c | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/21 17:52 | openbsd | f475d39eb98b | f6094a8c | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/21 13:17 | openbsd | f475d39eb98b | f6094a8c | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/21 09:51 | openbsd | db552f66a6b6 | 427ea487 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/21 08:36 | openbsd | db552f66a6b6 | 427ea487 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/21 07:08 | openbsd | db552f66a6b6 | 427ea487 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/21 05:54 | openbsd | db552f66a6b6 | 427ea487 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/21 01:25 | openbsd | db552f66a6b6 | 427ea487 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/20 22:16 | openbsd | 180e3f4c9de8 | 142c38ee | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/20 15:58 | openbsd | 180e3f4c9de8 | 142c38ee | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/20 10:13 | openbsd | 6a543b343b5b | 2458c1c6 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/20 03:44 | openbsd | 6a543b343b5b | 2458c1c6 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/20 02:18 | openbsd | 6a543b343b5b | 2458c1c6 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/19 23:12 | openbsd | a5f4ee4e3f8f | e4549234 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/19 21:57 | openbsd | a5f4ee4e3f8f | e4549234 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/19 17:38 | openbsd | a5f4ee4e3f8f | e4549234 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/19 14:27 | openbsd | a5f4ee4e3f8f | e4549234 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/19 08:52 | openbsd | e6d0a5bd63d6 | 46264c32 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/19 06:55 | openbsd | e6d0a5bd63d6 | 46264c32 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/19 01:45 | openbsd | e6d0a5bd63d6 | 46264c32 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/18 21:59 | openbsd | 5f6e3232931a | 4656beca | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/18 20:27 | openbsd | 5f6e3232931a | 4656beca | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/18 17:21 | openbsd | 5f6e3232931a | 4656beca | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/18 15:53 | openbsd | 5f6e3232931a | 4656beca | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/18 13:09 | openbsd | 5f6e3232931a | 4656beca | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/18 10:33 | openbsd | 990bad0aa091 | f8757044 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/18 06:33 | openbsd | 990bad0aa091 | f8757044 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/18 02:33 | openbsd | 990bad0aa091 | f8757044 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/18 01:17 | openbsd | 990bad0aa091 | f8757044 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/17 21:19 | openbsd | 0dd6b0da8efb | ba18afea | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/17 20:08 | openbsd | 0dd6b0da8efb | ba18afea | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/17 18:30 | openbsd | 0dd6b0da8efb | ba18afea | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/17 16:07 | openbsd | 0dd6b0da8efb | ba18afea | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/17 14:34 | openbsd | 0dd6b0da8efb | ba18afea | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/17 07:48 | openbsd | b3e6a3251dfa | bab43553 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/16 23:16 | openbsd | 2821cfa0fbbc | bab43553 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/16 18:17 | openbsd | 2821cfa0fbbc | bab43553 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/16 14:48 | openbsd | 2821cfa0fbbc | bab43553 | .config | console log | report | ci-openbsd-main | |||||
| 2019/03/16 13:34 | openbsd | 2821cfa0fbbc | bab43553 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/16 09:35 | openbsd | fe57de0c7337 | bab43553 | .config | console log | report | ci-openbsd-multicore | |||||
| 2019/03/15 07:05 | openbsd | fee69528d2cd | d72db19b | .config | console log | report | ci-openbsd-setuid | |||||
| 2019/03/05 12:28 | openbsd | da8fceb276ba | 3419571c | .config | console log | report | ci-openbsd-main |