uvm_fault: putc
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syzbot
Mar 20, 2022, 3:01:27 AM3/20/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: cb5f613c45fb Provide t2i_ASN1_OBJECT_internal() and use it..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=146cc9bd700000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=045eb52b2edb32be8930
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+045eb5...@syzkaller.appspotmail.com
duvm_fault(0xfffffd80634355c0, 0x0, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at putc+0x8e: movb %r12b,0(%rbx)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
150498 92744 0 0 0 0 syz-executor.0
*161431 32856 0 0 0x4000000 1K syz-executor.5
putc(65,ffff800000685e80) at putc+0x8e sys/kern/tty_subr.c:248
ttyoutput(65,ffff800000685e00) at ttyoutput+0x8c sys/kern/tty.c:612
tputchar(65,ffff800000685e00) at tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
tputchar(65,ffff800000685e00) at tputchar+0xde sys/kern/tty.c:2334
kputchar(65,5,0) at kputchar+0xd4 sys/kern/subr_prf.c:364
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
printf(ffffffff826384a6) at printf+0x75 sys/kern/subr_prf.c:533
settime(ffff80002e3b3598) at settime+0x169
sys_clock_settime(ffff800021224d28,ffff80002e3b35f8,ffff80002e3b3650) at sys_clock_settime+0xc7 sys/kern/kern_time.c:200
syscall(ffff80002e3b36c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3b36c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19bc7d0eea0, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xfffffd80634355c0, 0x0, 0, 2) -> e
ddb{1}> trace
putc(65,ffff800000685e80) at putc+0x8e sys/kern/tty_subr.c:248
ttyoutput(65,ffff800000685e00) at ttyoutput+0x8c sys/kern/tty.c:612
tputchar(65,ffff800000685e00) at tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
tputchar(65,ffff800000685e00) at tputchar+0xde sys/kern/tty.c:2334
kputchar(65,5,0) at kputchar+0xd4 sys/kern/subr_prf.c:364
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
printf(ffffffff826384a6) at printf+0x75 sys/kern/subr_prf.c:533
settime(ffff80002e3b3598) at settime+0x169
sys_clock_settime(ffff800021224d28,ffff80002e3b35f8,ffff80002e3b3650) at sys_clock_settime+0xc7 sys/kern/kern_time.c:200
syscall(ffff80002e3b36c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3b36c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19bc7d0eea0, count: -10
ddb{1}> show registers
rdi 0
rsi 0xffffffff
rbp 0xffff80002e3b3260
rbx 0
rdx 0
rcx 0x1a314 acpi_pdirpa+0x617c
rax 0xffff800021224d28
r8 0xffff80002e3b34d0
r9 0x18
r10 0xcea642a6318a85d5
r11 0xcd86326a302be37e
r12 0x65
r13 0xffffffff
r14 0xd
r15 0xffff800000685e80
rip 0xffffffff822e6dae putc+0x8e
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002e3b3220
ss 0x10
putc+0x8e: movb %r12b,0(%rbx)
ddb{1}> show proc
PROC (syz-executor.5) pid=161431 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=78, usrpri=78, nice=20
forw=0xffffffffffffffff, list=0xffff80002991c7e0,0xffff8000212257b8
process=0xffff8000ffffa998 user=0xffff80002e3ae000, vmspace=0xfffffd80634355c0
estcpu=28, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
28803 96538 44713 0 2 0 syz-executor.3
28803 347890 44713 0 3 0x4000080 fsleep syz-executor.3
45585 316686 88803 0 3 0x80 nanoslp syz-executor.4
45585 177762 88803 0 3 0x4000080 fsleep syz-executor.4
45585 62476 88803 0 3 0x4000080 fsleep syz-executor.4
45585 71444 88803 0 3 0x4000080 fsleep syz-executor.4
92744 150498 75915 0 7 0 syz-executor.0
92744 120932 75915 0 2 0x4000000 syz-executor.0
92744 66553 75915 0 2 0x4000000 syz-executor.0
33417 147949 3751 0 2 0 syz-executor.6
33417 142040 3751 0 2 0x4000000 syz-executor.6
51899 355531 74881 0 2 0 syz-executor.1
51899 410944 74881 0 3 0x4000080 fsleep syz-executor.1
32856 415340 51344 0 3 0x80 nanoslp syz-executor.5
32856 324180 51344 0 3 0x4000080 nanoslp syz-executor.5
*32856 161431 51344 0 7 0x4000000 syz-executor.5
32856 64078 51344 0 2 0x4000000 syz-executor.5
75915 24890 18710 0 3 0x82 nanoslp syz-executor.0
88803 166236 18710 0 3 0x82 nanoslp syz-executor.4
74881 378965 18710 0 3 0x82 nanoslp syz-executor.1
14402 238169 0 0 3 0x14200 acct acct
80400 358654 18710 0 3 0x82 piperd syz-executor.2
33516 111843 18710 0 3 0x82 piperd syz-executor.7
51344 448879 18710 0 3 0x82 nanoslp syz-executor.5
44713 47224 18710 0 3 0x82 nanoslp syz-executor.3
3751 6588 18710 0 3 0x82 nanoslp syz-executor.6
14740 52171 0 0 3 0x14200 bored sosplice
23611 124095 1 0 3 0x100083 ttyin getty
18710 234549 68046 0 3 0x82 thrsleep syz-fuzzer
18710 197270 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 435529 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 78397 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 115964 68046 0 3 0x4000082 kqread syz-fuzzer
18710 457610 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 265463 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 249008 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 249231 68046 0 3 0x4000082 thrsleep syz-fuzzer
68046 249379 93244 0 3 0x10008a sigsusp ksh
93244 464528 10871 0 3 0x9a kqread sshd
10871 449479 1 0 3 0x88 kqread sshd
35538 493040 58471 74 3 0x1100092 bpf pflogd
58471 422160 1 0 3 0x80 netio pflogd
59904 190033 13640 73 3 0x1100090 kqread syslogd
13640 430686 1 0 3 0x100082 netio syslogd
77894 96568 1 0 3 0x100080 kqread resolvd
91180 251708 11368 77 3 0x100092 kqread dhcpleased
47626 65428 11368 77 3 0x100092 kqread dhcpleased
11368 216438 1 0 3 0x80 kqread dhcpleased
73308 17100 0 0 3 0x14200 bored smr
60138 1044 0 0 2 0x14200 zerothread
61867 16860 0 0 3 0x14200 aiodoned aiodoned
6637 355330 0 0 3 0x14200 syncer update
74205 367791 0 0 3 0x14200 cleaner cleaner
64363 225481 0 0 3 0x14200 reaper reaper
5736 239026 0 0 3 0x14200 pgdaemon pagedaemon
5476 189869 0 0 3 0x14200 bored viomb
91737 151568 0 0 3 0x40014200 acpi0 acpi0
50020 211549 0 0 3 0x40014200 idle1
77600 418612 0 0 3 0x14200 bored softnet
25542 220485 0 0 3 0x14200 bored systqmp
42270 34597 0 0 3 0x14200 bored systq
51023 151395 0 0 3 0x40014200 bored softclock
728 422654 0 0 3 0x40014200 idle0
1 346625 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 32856 (syz-executor.5) thread 0xffff800021224d28 (161431)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b8cf48)
#0 witness_lock+0x44d
#1 kpageflttrap+0x23d sys/arch/amd64/amd64/trap.c:274
#2 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318
#3 alltraps_kern_meltdown+0x7b
#4 putc+0x8e sys/kern/tty_subr.c:248
#5 ttyoutput+0x8c sys/kern/tty.c:612
#6 tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
#6 tputchar+0xde sys/kern/tty.c:2334
#7 kputchar+0xd4 sys/kern/subr_prf.c:364
#8 kprintf+0x6ac sys/kern/subr_prf.c:728
#9 printf+0x75 sys/kern/subr_prf.c:533
#10 settime+0x169
#11 sys_clock_settime+0xc7 sys/kern/kern_time.c:200
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10218 6506K 7358K 78643K 39266 0
pcb 13 16K 18K 78643K 965 0
rtable 248 17K 18K 78643K 1232 0
ifaddr 96 21K 21K 78643K 534 0
sysctl 2 0K 0K 78643K 6 0
counters 56 35K 36K 78643K 180 0
ioctlops 0 0K 4K 78643K 2703 0
iov 0 0K 16K 78643K 849 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1396 87K 88K 78643K 7937 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 263 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 1430 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 16 57K 89K 78643K 7284 0
sigio 0 0K 0K 78643K 102 0
proc 71 87K 124K 78643K 1285 0
subproc 104 6K 6K 78643K 312 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 243 0
in_multi 99 6K 7K 78643K 398 0
ether_multi 1 0K 0K 78643K 49 0
mrt 1 0K 0K 78643K 27 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 235 1049K 1049K 78643K 235 0
exec 0 0K 2K 78643K 1891 0
pfkey data 0 0K 0K 78643K 4 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 505 765K 765K 78643K 95055 0
UVM aobj 131 8K 8K 78643K 139 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 275 0
NDP 13 0K 2K 78643K 124 0
temp 146 4735K 4807K 78643K 64912 0
kqueue 12 18K 26K 78643K 384 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 513 0 510 9 8 1 5 0 8 0
rtentry 112 356 0 249 4 0 4 4 0 8 0
unpcb 136 3603 0 3588 48 47 1 6 0 8 0
syncache 296 29 0 29 11 11 0 1 0 8 0
tcpqe 32 5 0 5 3 3 0 1 0 8 0
tcpcb 736 3955 0 3950 103 101 2 16 0 8 1
arp 120 66 0 44 1 0 1 1 0 8 0
inpcb 304 8432 0 8425 99 97 2 14 0 8 1
rttmr 72 3 0 3 1 1 0 1 0 8 0
nd6 48 74 0 50 1 0 1 1 0 8 0
pkpcb 40 13 0 13 3 3 0 1 0 8 0
kcovpl 48 24 0 16 1 0 1 1 0 8 0
ppxss 1248 24 0 24 4 3 1 1 0 8 1
pfstscr 40 13 0 13 3 3 0 1 0 8 0
pffrag 232 15 0 12 3 2 1 1 0 482 0
pffrnode 88 15 0 12 3 2 1 1 0 8 0
pffrent 40 107 0 104 3 2 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 7 0 2 1 0 1 1 0 8 0
pfqueue 264 2 0 2 1 1 0 1 0 8 0
pfstitem 24 44 0 42 1 0 1 1 0 8 0
pfstkey 112 61 0 59 2 1 1 2 0 8 0
pfstate 320 53 0 51 3 2 1 3 0 8 0
pfrule 1360 73 0 63 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1451 0 976 45 15 30 30 0 8 0
art_table 32 1452 0 976 4 0 4 4 0 8 0
art_node 16 355 0 259 1 0 1 1 0 8 0
sysvmsgpl 40 92 0 77 1 0 1 1 0 8 0
semupl 112 12 0 12 1 1 0 1 0 8 0
semapl 112 1428 0 1418 1 0 1 1 0 8 0
shmpl 112 136 0 8 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 10434 0 8981 92 0 92 92 0 8 0
ffsino 272 10434 0 8981 98 0 98 98 0 8 0
nchpl 144 19798 0 18174 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 68299 0 68299 3 2 1 2 0 8 1
percpumem 16 102 0 62 1 0 1 1 0 8 0
vcpupl 2048 122 0 0 16 0 16 16 0 8 0
vmpool 560 132 0 10 9 0 9 9 0 8 0
pfiaddrpl 120 4 0 0 1 0 1 1 0 8 0
scxspl 216 60021 0 60021 24 23 1 8 0 8 1
plimitpl 152 715 0 700 1 0 1 1 0 8 0
sigapl 424 7584 0 7539 8 2 6 8 0 8 0
futexpl 64 69958 0 69953 3 2 1 1 0 8 0
knotepl 120 607 0 0 11 0 11 11 0 8 0
kqueuepl 216 1011 0 1003 13 12 1 5 0 8 0
pipepl 336 1096 0 1068 36 28 8 8 0 8 5
fdescpl 496 7541 0 7512 6 2 4 5 0 8 0
filepl 152 45781 0 45542 90 72 18 19 0 8 7
lockfpl 104 2075 0 2073 5 4 1 2 0 8 0
lockfspl 48 551 0 549 1 0 1 1 0 8 0
sessionpl 144 41 0 24 1 0 1 1 0 8 0
pgrppl 48 48 0 31 1 0 1 1 0 8 0
ucredpl 96 4989 0 4975 1 0 1 1 0 8 0
zombiepl 144 7539 0 7539 1 0 1 1 0 8 1
processpl 1064 7584 0 7539 5 1 4 5 0 8 0
procpl 672 21972 0 21908 11 4 7 9 0 8 0
srpgc 96 22 0 22 7 7 0 1 0 8 0
sosppl 168 15 0 15 3 3 0 1 0 8 0
sockpl 480 12594 0 12569 231 227 4 29 0 8 0
mcl64k 65536 17 0 0 3 0 3 3 0 8 0
mcl16k 16384 23 0 0 3 1 2 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 22 0 0 2 0 2 2 0 8 0
mcl8k 8192 33 0 0 4 1 3 3 0 8 0
mcl4k 4096 40 0 0 3 0 3 3 0 8 0
mcl2k2 2112 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 250 0 0 20 2 18 20 0 8 0
mtagpl 96 1523 0 0 33 0 33 33 0 8 0
mbufpl 256 1960 0 0 108 0 108 108 0 8 0
bufpl 288 14187 0 7852 453 0 453 453 0 8 0
anonpl 24 2170326 0 2148485 236 97 139 169 0 186 0
amapchunkpl 152 234646 0 233673 72 30 42 54 0 158 0
amappl16 200 21417 0 20768 104 69 35 47 0 8 0
amappl15 192 351 0 344 1 0 1 1 0 8 0
amappl14 184 252 0 247 2 1 1 1 0 8 0
amappl13 176 1275 0 1270 1 0 1 1 0 8 0
amappl12 168 1061 0 1060 2 1 1 1 0 8 0
amappl11 160 1223 0 1209 1 0 1 1 0 8 0
amappl10 152 410 0 403 1 0 1 1 0 8 0
amappl9 144 1208 0 1201 1 0 1 1 0 8 0
amappl8 136 3381 0 3293 4 0 4 4 0 8 0
amappl7 128 2545 0 2531 1 0 1 1 0 8 0
amappl6 120 975 0 950 2 1 1 2 0 8 0
amappl5 112 6357 0 6335 1 0 1 1 0 8 0
amappl4 104 2931 0 2899 2 0 2 2 0 8 0
amappl3 96 2215 0 2201 1 0 1 1 0 8 0
amappl2 88 2637 0 2589 3 1 2 3 0 8 0
amappl1 80 139766 0 139175 20 6 14 19 0 8 0
amappl 88 94051 0 93729 9 1 8 8 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 72 138 0 8 3 0 3 3 0 8 0
uaddrrnd 24 7673 0 7522 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 7673 0 7522 1 0 1 1 0 8 0
vmmpekpl 168 61011 0 60928 6 2 4 4 0 8 0
vmmpepl 168 692157 0 689321 262 130 132 151 0 357 0
vmsppl 368 7672 0 7522 15 1 14 14 0 8 0
rwobjpl 56 176083 0 168298 118 6 112 114 0 8 0
pdppl 4096 15353 0 15166 483 292 191 191 0 8 4
pvpl 32 3700063 0 3674591 389 174 215 261 0 265 3
pmappl 248 7672 0 7522 11 1 10 10 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1494 0 446 31 0 31 31 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff82998ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff80002e3e72c0,ffff800000077500) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
end of kernel
end trace frame: 0x7f7ffffc1d90, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff82998ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff80002e3e72c0,ffff800000077500) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
end of kernel
end trace frame: 0x7f7ffffc1d90, count: -6
ddb{0}> machine ddbcpu 1
Stopped at putc+0x8e: movb %r12b,0(%rbx)
putc(65,ffff800000685e80) at putc+0x8e sys/kern/tty_subr.c:248
ttyoutput(65,ffff800000685e00) at ttyoutput+0x8c sys/kern/tty.c:612
tputchar(65,ffff800000685e00) at tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
tputchar(65,ffff800000685e00) at tputchar+0xde sys/kern/tty.c:2334
kputchar(65,5,0) at kputchar+0xd4 sys/kern/subr_prf.c:364
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
printf(ffffffff826384a6) at printf+0x75 sys/kern/subr_prf.c:533
settime(ffff80002e3b3598) at settime+0x169
sys_clock_settime(ffff800021224d28,ffff80002e3b35f8,ffff80002e3b3650) at sys_clock_settime+0xc7 sys/kern/kern_time.c:200
syscall(ffff80002e3b36c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3b36c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19bc7d0eea0, count: 5
ddb{1}> trace
putc(65,ffff800000685e80) at putc+0x8e sys/kern/tty_subr.c:248
ttyoutput(65,ffff800000685e00) at ttyoutput+0x8c sys/kern/tty.c:612
tputchar(65,ffff800000685e00) at tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
tputchar(65,ffff800000685e00) at tputchar+0xde sys/kern/tty.c:2334
kputchar(65,5,0) at kputchar+0xd4 sys/kern/subr_prf.c:364
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
printf(ffffffff826384a6) at printf+0x75 sys/kern/subr_prf.c:533
settime(ffff80002e3b3598) at settime+0x169
sys_clock_settime(ffff800021224d28,ffff80002e3b35f8,ffff80002e3b3650) at sys_clock_settime+0xc7 sys/kern/kern_time.c:200
syscall(ffff80002e3b36c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3b36c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19bc7d0eea0, count: -10
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: cb5f613c45fb Provide t2i_ASN1_OBJECT_internal() and use it..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=146cc9bd700000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=045eb52b2edb32be8930
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+045eb5...@syzkaller.appspotmail.com
duvm_fault(0xfffffd80634355c0, 0x0, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at putc+0x8e: movb %r12b,0(%rbx)
TID PID UID PRFLAGS PFLAGS CPU COMMAND
150498 92744 0 0 0 0 syz-executor.0
*161431 32856 0 0 0x4000000 1K syz-executor.5
putc(65,ffff800000685e80) at putc+0x8e sys/kern/tty_subr.c:248
ttyoutput(65,ffff800000685e00) at ttyoutput+0x8c sys/kern/tty.c:612
tputchar(65,ffff800000685e00) at tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
tputchar(65,ffff800000685e00) at tputchar+0xde sys/kern/tty.c:2334
kputchar(65,5,0) at kputchar+0xd4 sys/kern/subr_prf.c:364
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
printf(ffffffff826384a6) at printf+0x75 sys/kern/subr_prf.c:533
settime(ffff80002e3b3598) at settime+0x169
sys_clock_settime(ffff800021224d28,ffff80002e3b35f8,ffff80002e3b3650) at sys_clock_settime+0xc7 sys/kern/kern_time.c:200
syscall(ffff80002e3b36c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3b36c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19bc7d0eea0, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xfffffd80634355c0, 0x0, 0, 2) -> e
ddb{1}> trace
putc(65,ffff800000685e80) at putc+0x8e sys/kern/tty_subr.c:248
ttyoutput(65,ffff800000685e00) at ttyoutput+0x8c sys/kern/tty.c:612
tputchar(65,ffff800000685e00) at tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
tputchar(65,ffff800000685e00) at tputchar+0xde sys/kern/tty.c:2334
kputchar(65,5,0) at kputchar+0xd4 sys/kern/subr_prf.c:364
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
printf(ffffffff826384a6) at printf+0x75 sys/kern/subr_prf.c:533
settime(ffff80002e3b3598) at settime+0x169
sys_clock_settime(ffff800021224d28,ffff80002e3b35f8,ffff80002e3b3650) at sys_clock_settime+0xc7 sys/kern/kern_time.c:200
syscall(ffff80002e3b36c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3b36c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19bc7d0eea0, count: -10
ddb{1}> show registers
rdi 0
rsi 0xffffffff
rbp 0xffff80002e3b3260
rbx 0
rdx 0
rcx 0x1a314 acpi_pdirpa+0x617c
rax 0xffff800021224d28
r8 0xffff80002e3b34d0
r9 0x18
r10 0xcea642a6318a85d5
r11 0xcd86326a302be37e
r12 0x65
r13 0xffffffff
r14 0xd
r15 0xffff800000685e80
rip 0xffffffff822e6dae putc+0x8e
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002e3b3220
ss 0x10
putc+0x8e: movb %r12b,0(%rbx)
ddb{1}> show proc
PROC (syz-executor.5) pid=161431 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=78, usrpri=78, nice=20
forw=0xffffffffffffffff, list=0xffff80002991c7e0,0xffff8000212257b8
process=0xffff8000ffffa998 user=0xffff80002e3ae000, vmspace=0xfffffd80634355c0
estcpu=28, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
28803 96538 44713 0 2 0 syz-executor.3
28803 347890 44713 0 3 0x4000080 fsleep syz-executor.3
45585 316686 88803 0 3 0x80 nanoslp syz-executor.4
45585 177762 88803 0 3 0x4000080 fsleep syz-executor.4
45585 62476 88803 0 3 0x4000080 fsleep syz-executor.4
45585 71444 88803 0 3 0x4000080 fsleep syz-executor.4
92744 150498 75915 0 7 0 syz-executor.0
92744 120932 75915 0 2 0x4000000 syz-executor.0
92744 66553 75915 0 2 0x4000000 syz-executor.0
33417 147949 3751 0 2 0 syz-executor.6
33417 142040 3751 0 2 0x4000000 syz-executor.6
51899 355531 74881 0 2 0 syz-executor.1
51899 410944 74881 0 3 0x4000080 fsleep syz-executor.1
32856 415340 51344 0 3 0x80 nanoslp syz-executor.5
32856 324180 51344 0 3 0x4000080 nanoslp syz-executor.5
*32856 161431 51344 0 7 0x4000000 syz-executor.5
32856 64078 51344 0 2 0x4000000 syz-executor.5
75915 24890 18710 0 3 0x82 nanoslp syz-executor.0
88803 166236 18710 0 3 0x82 nanoslp syz-executor.4
74881 378965 18710 0 3 0x82 nanoslp syz-executor.1
14402 238169 0 0 3 0x14200 acct acct
80400 358654 18710 0 3 0x82 piperd syz-executor.2
33516 111843 18710 0 3 0x82 piperd syz-executor.7
51344 448879 18710 0 3 0x82 nanoslp syz-executor.5
44713 47224 18710 0 3 0x82 nanoslp syz-executor.3
3751 6588 18710 0 3 0x82 nanoslp syz-executor.6
14740 52171 0 0 3 0x14200 bored sosplice
23611 124095 1 0 3 0x100083 ttyin getty
18710 234549 68046 0 3 0x82 thrsleep syz-fuzzer
18710 197270 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 435529 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 78397 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 115964 68046 0 3 0x4000082 kqread syz-fuzzer
18710 457610 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 265463 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 249008 68046 0 3 0x4000082 thrsleep syz-fuzzer
18710 249231 68046 0 3 0x4000082 thrsleep syz-fuzzer
68046 249379 93244 0 3 0x10008a sigsusp ksh
93244 464528 10871 0 3 0x9a kqread sshd
10871 449479 1 0 3 0x88 kqread sshd
35538 493040 58471 74 3 0x1100092 bpf pflogd
58471 422160 1 0 3 0x80 netio pflogd
59904 190033 13640 73 3 0x1100090 kqread syslogd
13640 430686 1 0 3 0x100082 netio syslogd
77894 96568 1 0 3 0x100080 kqread resolvd
91180 251708 11368 77 3 0x100092 kqread dhcpleased
47626 65428 11368 77 3 0x100092 kqread dhcpleased
11368 216438 1 0 3 0x80 kqread dhcpleased
73308 17100 0 0 3 0x14200 bored smr
60138 1044 0 0 2 0x14200 zerothread
61867 16860 0 0 3 0x14200 aiodoned aiodoned
6637 355330 0 0 3 0x14200 syncer update
74205 367791 0 0 3 0x14200 cleaner cleaner
64363 225481 0 0 3 0x14200 reaper reaper
5736 239026 0 0 3 0x14200 pgdaemon pagedaemon
5476 189869 0 0 3 0x14200 bored viomb
91737 151568 0 0 3 0x40014200 acpi0 acpi0
50020 211549 0 0 3 0x40014200 idle1
77600 418612 0 0 3 0x14200 bored softnet
25542 220485 0 0 3 0x14200 bored systqmp
42270 34597 0 0 3 0x14200 bored systq
51023 151395 0 0 3 0x40014200 bored softclock
728 422654 0 0 3 0x40014200 idle0
1 346625 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 32856 (syz-executor.5) thread 0xffff800021224d28 (161431)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b8cf48)
#0 witness_lock+0x44d
#1 kpageflttrap+0x23d sys/arch/amd64/amd64/trap.c:274
#2 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318
#3 alltraps_kern_meltdown+0x7b
#4 putc+0x8e sys/kern/tty_subr.c:248
#5 ttyoutput+0x8c sys/kern/tty.c:612
#6 tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
#6 tputchar+0xde sys/kern/tty.c:2334
#7 kputchar+0xd4 sys/kern/subr_prf.c:364
#8 kprintf+0x6ac sys/kern/subr_prf.c:728
#9 printf+0x75 sys/kern/subr_prf.c:533
#10 settime+0x169
#11 sys_clock_settime+0xc7 sys/kern/kern_time.c:200
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10218 6506K 7358K 78643K 39266 0
pcb 13 16K 18K 78643K 965 0
rtable 248 17K 18K 78643K 1232 0
ifaddr 96 21K 21K 78643K 534 0
sysctl 2 0K 0K 78643K 6 0
counters 56 35K 36K 78643K 180 0
ioctlops 0 0K 4K 78643K 2703 0
iov 0 0K 16K 78643K 849 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1396 87K 88K 78643K 7937 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 263 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 1430 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 16 57K 89K 78643K 7284 0
sigio 0 0K 0K 78643K 102 0
proc 71 87K 124K 78643K 1285 0
subproc 104 6K 6K 78643K 312 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 243 0
in_multi 99 6K 7K 78643K 398 0
ether_multi 1 0K 0K 78643K 49 0
mrt 1 0K 0K 78643K 27 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 235 1049K 1049K 78643K 235 0
exec 0 0K 2K 78643K 1891 0
pfkey data 0 0K 0K 78643K 4 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 505 765K 765K 78643K 95055 0
UVM aobj 131 8K 8K 78643K 139 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 275 0
NDP 13 0K 2K 78643K 124 0
temp 146 4735K 4807K 78643K 64912 0
kqueue 12 18K 26K 78643K 384 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 513 0 510 9 8 1 5 0 8 0
rtentry 112 356 0 249 4 0 4 4 0 8 0
unpcb 136 3603 0 3588 48 47 1 6 0 8 0
syncache 296 29 0 29 11 11 0 1 0 8 0
tcpqe 32 5 0 5 3 3 0 1 0 8 0
tcpcb 736 3955 0 3950 103 101 2 16 0 8 1
arp 120 66 0 44 1 0 1 1 0 8 0
inpcb 304 8432 0 8425 99 97 2 14 0 8 1
rttmr 72 3 0 3 1 1 0 1 0 8 0
nd6 48 74 0 50 1 0 1 1 0 8 0
pkpcb 40 13 0 13 3 3 0 1 0 8 0
kcovpl 48 24 0 16 1 0 1 1 0 8 0
ppxss 1248 24 0 24 4 3 1 1 0 8 1
pfstscr 40 13 0 13 3 3 0 1 0 8 0
pffrag 232 15 0 12 3 2 1 1 0 482 0
pffrnode 88 15 0 12 3 2 1 1 0 8 0
pffrent 40 107 0 104 3 2 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 7 0 2 1 0 1 1 0 8 0
pfqueue 264 2 0 2 1 1 0 1 0 8 0
pfstitem 24 44 0 42 1 0 1 1 0 8 0
pfstkey 112 61 0 59 2 1 1 2 0 8 0
pfstate 320 53 0 51 3 2 1 3 0 8 0
pfrule 1360 73 0 63 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1451 0 976 45 15 30 30 0 8 0
art_table 32 1452 0 976 4 0 4 4 0 8 0
art_node 16 355 0 259 1 0 1 1 0 8 0
sysvmsgpl 40 92 0 77 1 0 1 1 0 8 0
semupl 112 12 0 12 1 1 0 1 0 8 0
semapl 112 1428 0 1418 1 0 1 1 0 8 0
shmpl 112 136 0 8 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 10434 0 8981 92 0 92 92 0 8 0
ffsino 272 10434 0 8981 98 0 98 98 0 8 0
nchpl 144 19798 0 18174 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 68299 0 68299 3 2 1 2 0 8 1
percpumem 16 102 0 62 1 0 1 1 0 8 0
vcpupl 2048 122 0 0 16 0 16 16 0 8 0
vmpool 560 132 0 10 9 0 9 9 0 8 0
pfiaddrpl 120 4 0 0 1 0 1 1 0 8 0
scxspl 216 60021 0 60021 24 23 1 8 0 8 1
plimitpl 152 715 0 700 1 0 1 1 0 8 0
sigapl 424 7584 0 7539 8 2 6 8 0 8 0
futexpl 64 69958 0 69953 3 2 1 1 0 8 0
knotepl 120 607 0 0 11 0 11 11 0 8 0
kqueuepl 216 1011 0 1003 13 12 1 5 0 8 0
pipepl 336 1096 0 1068 36 28 8 8 0 8 5
fdescpl 496 7541 0 7512 6 2 4 5 0 8 0
filepl 152 45781 0 45542 90 72 18 19 0 8 7
lockfpl 104 2075 0 2073 5 4 1 2 0 8 0
lockfspl 48 551 0 549 1 0 1 1 0 8 0
sessionpl 144 41 0 24 1 0 1 1 0 8 0
pgrppl 48 48 0 31 1 0 1 1 0 8 0
ucredpl 96 4989 0 4975 1 0 1 1 0 8 0
zombiepl 144 7539 0 7539 1 0 1 1 0 8 1
processpl 1064 7584 0 7539 5 1 4 5 0 8 0
procpl 672 21972 0 21908 11 4 7 9 0 8 0
srpgc 96 22 0 22 7 7 0 1 0 8 0
sosppl 168 15 0 15 3 3 0 1 0 8 0
sockpl 480 12594 0 12569 231 227 4 29 0 8 0
mcl64k 65536 17 0 0 3 0 3 3 0 8 0
mcl16k 16384 23 0 0 3 1 2 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 22 0 0 2 0 2 2 0 8 0
mcl8k 8192 33 0 0 4 1 3 3 0 8 0
mcl4k 4096 40 0 0 3 0 3 3 0 8 0
mcl2k2 2112 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 250 0 0 20 2 18 20 0 8 0
mtagpl 96 1523 0 0 33 0 33 33 0 8 0
mbufpl 256 1960 0 0 108 0 108 108 0 8 0
bufpl 288 14187 0 7852 453 0 453 453 0 8 0
anonpl 24 2170326 0 2148485 236 97 139 169 0 186 0
amapchunkpl 152 234646 0 233673 72 30 42 54 0 158 0
amappl16 200 21417 0 20768 104 69 35 47 0 8 0
amappl15 192 351 0 344 1 0 1 1 0 8 0
amappl14 184 252 0 247 2 1 1 1 0 8 0
amappl13 176 1275 0 1270 1 0 1 1 0 8 0
amappl12 168 1061 0 1060 2 1 1 1 0 8 0
amappl11 160 1223 0 1209 1 0 1 1 0 8 0
amappl10 152 410 0 403 1 0 1 1 0 8 0
amappl9 144 1208 0 1201 1 0 1 1 0 8 0
amappl8 136 3381 0 3293 4 0 4 4 0 8 0
amappl7 128 2545 0 2531 1 0 1 1 0 8 0
amappl6 120 975 0 950 2 1 1 2 0 8 0
amappl5 112 6357 0 6335 1 0 1 1 0 8 0
amappl4 104 2931 0 2899 2 0 2 2 0 8 0
amappl3 96 2215 0 2201 1 0 1 1 0 8 0
amappl2 88 2637 0 2589 3 1 2 3 0 8 0
amappl1 80 139766 0 139175 20 6 14 19 0 8 0
amappl 88 94051 0 93729 9 1 8 8 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 72 138 0 8 3 0 3 3 0 8 0
uaddrrnd 24 7673 0 7522 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 7673 0 7522 1 0 1 1 0 8 0
vmmpekpl 168 61011 0 60928 6 2 4 4 0 8 0
vmmpepl 168 692157 0 689321 262 130 132 151 0 357 0
vmsppl 368 7672 0 7522 15 1 14 14 0 8 0
rwobjpl 56 176083 0 168298 118 6 112 114 0 8 0
pdppl 4096 15353 0 15166 483 292 191 191 0 8 4
pvpl 32 3700063 0 3674591 389 174 215 261 0 265 3
pmappl 248 7672 0 7522 11 1 10 10 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1494 0 446 31 0 31 31 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff82998ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff80002e3e72c0,ffff800000077500) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
end of kernel
end trace frame: 0x7f7ffffc1d90, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff82998ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82b8cd40) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff80002e3e72c0,ffff800000077500) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f
end of kernel
end trace frame: 0x7f7ffffc1d90, count: -6
ddb{0}> machine ddbcpu 1
Stopped at putc+0x8e: movb %r12b,0(%rbx)
putc(65,ffff800000685e80) at putc+0x8e sys/kern/tty_subr.c:248
ttyoutput(65,ffff800000685e00) at ttyoutput+0x8c sys/kern/tty.c:612
tputchar(65,ffff800000685e00) at tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
tputchar(65,ffff800000685e00) at tputchar+0xde sys/kern/tty.c:2334
kputchar(65,5,0) at kputchar+0xd4 sys/kern/subr_prf.c:364
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
printf(ffffffff826384a6) at printf+0x75 sys/kern/subr_prf.c:533
settime(ffff80002e3b3598) at settime+0x169
sys_clock_settime(ffff800021224d28,ffff80002e3b35f8,ffff80002e3b3650) at sys_clock_settime+0xc7 sys/kern/kern_time.c:200
syscall(ffff80002e3b36c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3b36c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19bc7d0eea0, count: 5
ddb{1}> trace
putc(65,ffff800000685e80) at putc+0x8e sys/kern/tty_subr.c:248
ttyoutput(65,ffff800000685e00) at ttyoutput+0x8c sys/kern/tty.c:612
tputchar(65,ffff800000685e00) at tputchar+0xde ttstart sys/kern/tty.c:1403 [inline]
tputchar(65,ffff800000685e00) at tputchar+0xde sys/kern/tty.c:2334
kputchar(65,5,0) at kputchar+0xd4 sys/kern/subr_prf.c:364
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
printf(ffffffff826384a6) at printf+0x75 sys/kern/subr_prf.c:533
settime(ffff80002e3b3598) at settime+0x169
sys_clock_settime(ffff800021224d28,ffff80002e3b35f8,ffff80002e3b3650) at sys_clock_settime+0xc7 sys/kern/kern_time.c:200
syscall(ffff80002e3b36c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3b36c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19bc7d0eea0, count: -10
---
This report is generated by a bot. It may contain errors.
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syzbot
Jun 21, 2022, 8:42:18 AM6/21/22
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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