assert "va >= entry->start" failed in uvm_fault.c
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syzbot
Nov 3, 2024, 11:54:26 AM11/3/24
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: ed51ee9f9dac netcat: drop caddr_t cast. It's not needed an..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=126e4587980000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=b302ad24fc4897b3056f
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/30648f8573af/disk-ed51ee9f.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/bea441b32ac8/bsd-ed51ee9f.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/20c9742d096e/kernel-ed51ee9f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b302ad...@syzkaller.appspotmail.com
panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1657
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 56687 9333 32767 0x10 0x4000000 1K syz-executor
6662 45743 32767 0x10 0 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830e6da5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309b4d3,ffffffff830d17d7,679,ffffffff82ffe0bd) at __assert+0x29
uvm_fault_unwire_locked(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff80003539d460,ffff80002ad7dfc0,ffff80002ad7df10) at sys_sysctl+0x425
syscall(ffff80002ad7dfc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80002ad7dfc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x978a5a05240, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1657
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830e6da5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309b4d3,ffffffff830d17d7,679,ffffffff82ffe0bd) at __assert+0x29
uvm_fault_unwire_locked(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff80003539d460,ffff80002ad7dfc0,ffff80002ad7df10) at sys_sysctl+0x425
syscall(ffff80002ad7dfc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80002ad7dfc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x978a5a05240, count: -9
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002ad7dae0
rbx 0xffff800029b7cdbf
rdx 0
rcx 0xffff80003539d460
rax 0xffff800029b7bff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x1efb922e7c7ab5
r11 0x719bfa4a8d47de29
r12 0xffff800029b7cbc0
r13 0
r14 0
r15 0x1
rip 0xffffffff82a845c5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002ad7dad0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=56687 pid=9333 tcnt=4 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000371cf978,0xffff80003539c7c8
process=0xffff8000371d04a8 user=0xffff80002ad79000, vmspace=0xfffffd8066bb2020
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
61427 239126 15252 0 2 0x2 syz-executor
9333 417745 67000 32767 2 0x10 syz-executor
9333 182310 67000 32767 3 0x4000090 fsleep syz-executor
* 9333 56687 67000 32767 7 0x4000010 syz-executor
9333 280443 67000 32767 3 0x4000090 fsleep syz-executor
45743 6662 62559 32767 7 0x10 syz-executor
45743 88913 62559 32767 3 0x4000090 ttyin syz-executor
31405 275625 63518 32767 3 0x90 nanoslp syz-executor
31405 2785 63518 32767 3 0x4000090 kqread syz-executor
31405 458188 63518 32767 3 0x4000090 fsleep syz-executor
15090 231483 88824 32767 3 0x90 nanoslp syz-executor
15090 368321 88824 32767 3 0x4000090 sbwait syz-executor
15090 323810 88824 32767 3 0x4000090 fsleep syz-executor
64846 474070 0 0 3 0x14200 bored sosplice
960 286883 72943 32767 2 0x10 syz-executor
63518 150205 36429 32767 3 0x90 nanoslp syz-executor
62559 423805 91338 32767 3 0x90 nanoslp syz-executor
88824 76978 74412 32767 3 0x90 nanoslp syz-executor
42293 184567 24623 32767 3 0x90 piperd syz-executor
67000 499396 93422 32767 3 0x90 nanoslp syz-executor
91338 340570 15252 0 3 0x82 wait syz-executor
72943 224514 15252 0 3 0x82 wait syz-executor
74412 140500 15252 0 3 0x82 wait syz-executor
24623 347362 15252 0 3 0x82 wait syz-executor
36429 154387 15252 0 3 0x82 wait syz-executor
93422 428552 15252 0 3 0x82 wait syz-executor
15252 383386 75316 0 3 0x82 nanoslp syz-executor
75316 325533 7393 0 3 0x10008a sigsusp ksh
7393 306802 97314 0 3 0x98 kqread sshd-session
97314 420045 4236 0 3 0x92 kqread sshd-session
96637 254789 1 0 3 0x100083 ttyin getty
4236 181730 1 0 3 0x88 kqread sshd
37748 420122 89014 73 3 0x1100090 kqread syslogd
89014 420963 1 0 3 0x100082 sbwait syslogd
55164 340290 1 0 3 0x100080 kqread resolvd
28254 424653 8424 77 3 0x100092 kqread dhcpleased
32446 3056 8424 77 3 0x100092 kqread dhcpleased
8424 516645 1 0 3 0x80 kqread dhcpleased
68506 17649 0 0 3 0x14200 bored smr
43596 290089 0 0 2 0x14200 zerothread
29180 110012 0 0 3 0x14200 aiodoned aiodoned
49813 67647 0 0 3 0x14200 syncer update
94693 237676 0 0 3 0x14200 cleaner cleaner
85874 281507 0 0 3 0x14200 reaper reaper
93944 14200 0 0 3 0x14200 pgdaemon pagedaemon
93041 133491 0 0 3 0x14200 bored viomb
99492 419995 0 0 3 0x40014200 acpi0 acpi0
76334 368053 0 0 3 0x40014200 idle1
9273 319689 0 0 3 0x14200 bored softnet3
42441 324287 0 0 3 0x14200 bored softnet2
897 162418 0 0 3 0x14200 bored softnet1
71419 415217 0 0 3 0x14200 bored softnet0
43976 56932 0 0 3 0x14200 bored systqmp
80774 187664 0 0 3 0x14200 bored systq
87419 483967 0 0 3 0x14200 tmoslp softclockmp
12688 243269 0 0 3 0x40014200 tmoslp softclock
40864 23773 0 0 3 0x40014200 idle0
1 257754 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 9333 (syz-executor) thread 0xffff80003539d460 (56687)
exclusive rwlock amaplk r = 0 (0xfffffd806c1ccdd8)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464
#2 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1676
#3 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
#4 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
#4 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
#5 sys_sysctl+0x425
#6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#7 Xsyscall+0x128
shared rwlock vmmaplk r = 0 (0xfffffd8066bb2118)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1619
#2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
#2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
#3 sys_sysctl+0x425
#4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#5 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8351c888)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 __mp_acquire_count+0x58
#2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3 sleep_finish+0x278 sys/kern/kern_synch.c:417
#4 rw_enter+0x348 sys/kern/kern_rwlock.c:285
#5 rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#6 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#7 vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#8 vget+0x2bd sys/kern/vfs_subr.c:678
#9 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98
#10 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201
#11 ufs_lookup+0x1631 sys/ufs/ufs/ufs_lookup.c:555
#12 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#13 vfs_getcwd_scandir+0x12b sys/kern/vfs_getcwd.c:93
#14 vfs_getcwd_common+0x3f5 sys/kern/vfs_getcwd.c:353
#15 sysctl_proc_cwd+0x2b2 sys/kern/kern_sysctl.c:2322
#16 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506
#17 sys_sysctl+0x425
#18 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#18 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
exclusive rwlock sysctllk r = 0 (0xffffffff834afa00)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181
#3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504
#4 sys_sysctl+0x425
#5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#6 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10201 11045K 11059K 166960K 11286 0
pcb 17 12K 12K 166960K 17 0
rtable 192 5K 7K 166960K 353 0
pf 27 16K 16K 166960K 31 0
ifaddr 34 6K 7K 166960K 44 0
ifgroup 42 1K 2K 166960K 50 0
counters 60 35K 36K 166960K 64 0
ioctlops 0 0K 2K 166960K 31 0
iov 1 2K 4K 166960K 4 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1365 86K 86K 166960K 1618 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 6 0K 0K 166960K 7 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1690 195K 286K 166960K 12468 0
file desc 19 66K 121K 166960K 267 0
proc 58 79K 127K 166960K 477 0
subproc 78 4K 6K 166960K 338 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 17 0
in_multi 79 5K 7K 166960K 102 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 211 943K 943K 166960K 211 0
exec 0 0K 1K 166960K 362 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 214 60K 74K 166960K 3423 0
UVM aobj 7 2K 2K 166960K 7 0
pinsyscall 40 80K 110K 166960K 1272 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 8 0
NDP 9 0K 2K 166960K 27 0
temp 27 6813K 6878K 166960K 4326 0
kqueue 17 24K 24K 166960K 34 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 45 0 41 1 0 1 1 0 8 0
rtentry 112 112 0 23 4 0 4 4 0 8 0
unpcb 144 64 0 44 1 0 1 1 0 8 0
syncache 336 6 0 6 2 1 1 1 0 8 1
tcpqe 32 2 0 2 1 0 1 1 0 8 1
tcpcb 808 75 0 68 5 0 5 5 0 8 3
arp 120 18 0 4 1 0 1 1 0 8 0
inpcb 336 192 0 180 7 0 7 7 0 8 5
nd6 136 25 0 6 1 0 1 1 0 8 0
kcovpl 48 26 0 20 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 454 0 88 29 0 29 29 0 8 3
art_table 32 455 0 88 4 0 4 4 0 8 0
art_node 16 111 0 30 1 0 1 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 112 4 0 0 1 0 1 1 0 8 0
shmpl 112 4 0 0 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1645 0 115 96 0 96 96 0 8 0
ffsino 272 1645 0 115 102 0 102 102 0 8 0
nchpl 144 1898 0 202 63 0 63 63 0 8 0
uvmvnodes 80 1992 0 0 41 0 41 41 0 8 0
vnodes 216 1992 0 0 111 0 111 111 0 8 0
namei 1024 6503 0 6503 2 0 2 2 0 8 2
percpumem 16 46 0 2 1 0 1 1 0 8 0
kstatmem 264 22 0 4 2 0 2 2 0 8 0
scxspl 216 5525 0 5525 3 1 2 2 1 8 2
plimitpl 152 112 0 89 2 0 2 2 0 8 1
sigapl 424 507 0 456 7 0 7 7 0 8 0
futexpl 64 932 0 928 1 0 1 1 0 8 0
knotepl 120 67 0 0 3 0 3 3 0 8 0
kqueuepl 216 104 0 90 5 0 5 5 0 8 4
pipepl 320 161 0 134 3 0 3 3 0 8 0
fdescpl 496 488 0 457 7 1 6 6 0 8 0
filepl 152 2562 0 2272 15 0 15 15 0 8 3
lockfpl 104 25 0 23 1 0 1 1 0 8 0
lockfspl 48 12 0 10 1 0 1 1 0 8 0
sessionpl 144 41 0 27 1 0 1 1 0 8 0
pgrppl 48 69 0 48 1 0 1 1 0 8 0
ucredpl 104 240 0 223 1 0 1 1 0 8 0
zombiepl 144 457 0 456 1 0 1 1 0 8 0
processpl 1160 507 0 456 5 0 5 5 0 8 0
procpl 648 601 0 542 6 0 6 6 0 8 0
sosppl 168 2 0 2 1 0 1 1 0 8 1
sockpl 664 301 0 265 9 0 9 9 0 8 5
mcl64k 65536 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 134 0 0 17 0 17 17 0 8 0
mcl2k 2048 24 0 0 3 0 3 3 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 255 0 0 16 0 16 16 0 8 0
bufpl 280 2252 0 94 155 0 155 155 0 8 0
anonpl 24 194856 0 191845 23 1 22 23 0 185 1
amapchunkpl 152 11832 0 11376 23 0 23 23 0 158 4
amappl16 200 5821 0 5809 5 1 4 5 0 8 3
amappl15 192 13 0 13 1 1 0 1 0 8 0
amappl14 184 134 0 124 1 0 1 1 0 8 0
amappl13 176 10 0 10 1 1 0 1 0 8 0
amappl12 168 1160 0 1130 2 0 2 2 0 8 0
amappl11 160 64 0 54 1 0 1 1 0 8 0
amappl10 152 94 0 94 1 1 0 1 0 8 0
amappl9 144 156 0 156 1 1 0 1 0 8 0
amappl8 136 28 0 27 1 0 1 1 0 8 0
amappl7 128 99 0 89 1 0 1 1 0 8 0
amappl6 120 228 0 227 1 0 1 1 0 8 0
amappl5 112 137 0 129 1 0 1 1 0 8 0
amappl4 104 289 0 273 1 0 1 1 0 8 0
amappl3 96 1987 0 1901 3 0 3 3 0 8 0
amappl2 88 764 0 688 2 0 2 2 0 8 0
amappl1 80 7983 0 7473 14 0 14 14 0 8 0
amappl 88 3062 0 2900 5 0 5 5 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 6 0 0 1 0 1 1 0 8 0
uaddrrnd 24 488 0 457 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 488 0 457 1 0 1 1 0 8 0
vmmpekpl 168 6086 0 6031 3 0 3 3 0 8 0
vmmpepl 168 41303 0 39598 89 0 89 89 0 357 4
vmsppl 448 487 0 457 5 0 5 5 0 8 0
rwobjpl 56 19302 0 16521 41 0 41 41 0 8 0
pdppl 4096 983 0 914 109 32 77 95 0 8 8
pvpl 32 9691 0 0 79 0 79 79 0 265 0
pmappl 248 487 0 457 4 1 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 402 0 35 11 0 11 11 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff834e2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8351c680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8351c680) at __mp_lock+0x192 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x7b9999cda750, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff834e2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8351c680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8351c680) at __mp_lock+0x192 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x7b9999cda750, count: -6
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830e6da5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309b4d3,ffffffff830d17d7,679,ffffffff82ffe0bd) at __assert+0x29
uvm_fault_unwire_locked(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff80003539d460,ffff80002ad7dfc0,ffff80002ad7df10) at sys_sysctl+0x425
syscall(ffff80002ad7dfc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80002ad7dfc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x978a5a05240, count: 6
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830e6da5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309b4d3,ffffffff830d17d7,679,ffffffff82ffe0bd) at __assert+0x29
uvm_fault_unwire_locked(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff80003539d460,ffff80002ad7dfc0,ffff80002ad7df10) at sys_sysctl+0x425
syscall(ffff80002ad7dfc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80002ad7dfc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x978a5a05240, count: -9
---
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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#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: ed51ee9f9dac netcat: drop caddr_t cast. It's not needed an..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=126e4587980000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=b302ad24fc4897b3056f
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/30648f8573af/disk-ed51ee9f.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/bea441b32ac8/bsd-ed51ee9f.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/20c9742d096e/kernel-ed51ee9f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b302ad...@syzkaller.appspotmail.com
panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1657
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 56687 9333 32767 0x10 0x4000000 1K syz-executor
6662 45743 32767 0x10 0 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830e6da5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309b4d3,ffffffff830d17d7,679,ffffffff82ffe0bd) at __assert+0x29
uvm_fault_unwire_locked(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff80003539d460,ffff80002ad7dfc0,ffff80002ad7df10) at sys_sysctl+0x425
syscall(ffff80002ad7dfc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80002ad7dfc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x978a5a05240, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1657
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830e6da5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309b4d3,ffffffff830d17d7,679,ffffffff82ffe0bd) at __assert+0x29
uvm_fault_unwire_locked(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff80003539d460,ffff80002ad7dfc0,ffff80002ad7df10) at sys_sysctl+0x425
syscall(ffff80002ad7dfc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80002ad7dfc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x978a5a05240, count: -9
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002ad7dae0
rbx 0xffff800029b7cdbf
rdx 0
rcx 0xffff80003539d460
rax 0xffff800029b7bff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x1efb922e7c7ab5
r11 0x719bfa4a8d47de29
r12 0xffff800029b7cbc0
r13 0
r14 0
r15 0x1
rip 0xffffffff82a845c5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002ad7dad0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=56687 pid=9333 tcnt=4 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000371cf978,0xffff80003539c7c8
process=0xffff8000371d04a8 user=0xffff80002ad79000, vmspace=0xfffffd8066bb2020
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
61427 239126 15252 0 2 0x2 syz-executor
9333 417745 67000 32767 2 0x10 syz-executor
9333 182310 67000 32767 3 0x4000090 fsleep syz-executor
* 9333 56687 67000 32767 7 0x4000010 syz-executor
9333 280443 67000 32767 3 0x4000090 fsleep syz-executor
45743 6662 62559 32767 7 0x10 syz-executor
45743 88913 62559 32767 3 0x4000090 ttyin syz-executor
31405 275625 63518 32767 3 0x90 nanoslp syz-executor
31405 2785 63518 32767 3 0x4000090 kqread syz-executor
31405 458188 63518 32767 3 0x4000090 fsleep syz-executor
15090 231483 88824 32767 3 0x90 nanoslp syz-executor
15090 368321 88824 32767 3 0x4000090 sbwait syz-executor
15090 323810 88824 32767 3 0x4000090 fsleep syz-executor
64846 474070 0 0 3 0x14200 bored sosplice
960 286883 72943 32767 2 0x10 syz-executor
63518 150205 36429 32767 3 0x90 nanoslp syz-executor
62559 423805 91338 32767 3 0x90 nanoslp syz-executor
88824 76978 74412 32767 3 0x90 nanoslp syz-executor
42293 184567 24623 32767 3 0x90 piperd syz-executor
67000 499396 93422 32767 3 0x90 nanoslp syz-executor
91338 340570 15252 0 3 0x82 wait syz-executor
72943 224514 15252 0 3 0x82 wait syz-executor
74412 140500 15252 0 3 0x82 wait syz-executor
24623 347362 15252 0 3 0x82 wait syz-executor
36429 154387 15252 0 3 0x82 wait syz-executor
93422 428552 15252 0 3 0x82 wait syz-executor
15252 383386 75316 0 3 0x82 nanoslp syz-executor
75316 325533 7393 0 3 0x10008a sigsusp ksh
7393 306802 97314 0 3 0x98 kqread sshd-session
97314 420045 4236 0 3 0x92 kqread sshd-session
96637 254789 1 0 3 0x100083 ttyin getty
4236 181730 1 0 3 0x88 kqread sshd
37748 420122 89014 73 3 0x1100090 kqread syslogd
89014 420963 1 0 3 0x100082 sbwait syslogd
55164 340290 1 0 3 0x100080 kqread resolvd
28254 424653 8424 77 3 0x100092 kqread dhcpleased
32446 3056 8424 77 3 0x100092 kqread dhcpleased
8424 516645 1 0 3 0x80 kqread dhcpleased
68506 17649 0 0 3 0x14200 bored smr
43596 290089 0 0 2 0x14200 zerothread
29180 110012 0 0 3 0x14200 aiodoned aiodoned
49813 67647 0 0 3 0x14200 syncer update
94693 237676 0 0 3 0x14200 cleaner cleaner
85874 281507 0 0 3 0x14200 reaper reaper
93944 14200 0 0 3 0x14200 pgdaemon pagedaemon
93041 133491 0 0 3 0x14200 bored viomb
99492 419995 0 0 3 0x40014200 acpi0 acpi0
76334 368053 0 0 3 0x40014200 idle1
9273 319689 0 0 3 0x14200 bored softnet3
42441 324287 0 0 3 0x14200 bored softnet2
897 162418 0 0 3 0x14200 bored softnet1
71419 415217 0 0 3 0x14200 bored softnet0
43976 56932 0 0 3 0x14200 bored systqmp
80774 187664 0 0 3 0x14200 bored systq
87419 483967 0 0 3 0x14200 tmoslp softclockmp
12688 243269 0 0 3 0x40014200 tmoslp softclock
40864 23773 0 0 3 0x40014200 idle0
1 257754 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 9333 (syz-executor) thread 0xffff80003539d460 (56687)
exclusive rwlock amaplk r = 0 (0xfffffd806c1ccdd8)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464
#2 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1676
#3 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
#4 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
#4 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
#5 sys_sysctl+0x425
#6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#7 Xsyscall+0x128
shared rwlock vmmaplk r = 0 (0xfffffd8066bb2118)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1619
#2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
#2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
#3 sys_sysctl+0x425
#4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#5 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8351c888)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 __mp_acquire_count+0x58
#2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3 sleep_finish+0x278 sys/kern/kern_synch.c:417
#4 rw_enter+0x348 sys/kern/kern_rwlock.c:285
#5 rrw_enter+0xbe sys/kern/kern_rwlock.c:464
#6 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#7 vn_lock+0xa4 sys/kern/vfs_vnops.c:564
#8 vget+0x2bd sys/kern/vfs_subr.c:678
#9 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98
#10 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201
#11 ufs_lookup+0x1631 sys/ufs/ufs/ufs_lookup.c:555
#12 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#13 vfs_getcwd_scandir+0x12b sys/kern/vfs_getcwd.c:93
#14 vfs_getcwd_common+0x3f5 sys/kern/vfs_getcwd.c:353
#15 sysctl_proc_cwd+0x2b2 sys/kern/kern_sysctl.c:2322
#16 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506
#17 sys_sysctl+0x425
#18 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#18 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
exclusive rwlock sysctllk r = 0 (0xffffffff834afa00)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_enter+0x41b sys/kern/kern_rwlock.c:309
#2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181
#3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504
#4 sys_sysctl+0x425
#5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
#5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
#6 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10201 11045K 11059K 166960K 11286 0
pcb 17 12K 12K 166960K 17 0
rtable 192 5K 7K 166960K 353 0
pf 27 16K 16K 166960K 31 0
ifaddr 34 6K 7K 166960K 44 0
ifgroup 42 1K 2K 166960K 50 0
counters 60 35K 36K 166960K 64 0
ioctlops 0 0K 2K 166960K 31 0
iov 1 2K 4K 166960K 4 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1365 86K 86K 166960K 1618 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 4 0
VM map 2 1K 1K 166960K 2 0
sem 6 0K 0K 166960K 7 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1690 195K 286K 166960K 12468 0
file desc 19 66K 121K 166960K 267 0
proc 58 79K 127K 166960K 477 0
subproc 78 4K 6K 166960K 338 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 17 0
in_multi 79 5K 7K 166960K 102 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 211 943K 943K 166960K 211 0
exec 0 0K 1K 166960K 362 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 214 60K 74K 166960K 3423 0
UVM aobj 7 2K 2K 166960K 7 0
pinsyscall 40 80K 110K 166960K 1272 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 8 0
NDP 9 0K 2K 166960K 27 0
temp 27 6813K 6878K 166960K 4326 0
kqueue 17 24K 24K 166960K 34 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 45 0 41 1 0 1 1 0 8 0
rtentry 112 112 0 23 4 0 4 4 0 8 0
unpcb 144 64 0 44 1 0 1 1 0 8 0
syncache 336 6 0 6 2 1 1 1 0 8 1
tcpqe 32 2 0 2 1 0 1 1 0 8 1
tcpcb 808 75 0 68 5 0 5 5 0 8 3
arp 120 18 0 4 1 0 1 1 0 8 0
inpcb 336 192 0 180 7 0 7 7 0 8 5
nd6 136 25 0 6 1 0 1 1 0 8 0
kcovpl 48 26 0 20 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 454 0 88 29 0 29 29 0 8 3
art_table 32 455 0 88 4 0 4 4 0 8 0
art_node 16 111 0 30 1 0 1 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 112 4 0 0 1 0 1 1 0 8 0
shmpl 112 4 0 0 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1645 0 115 96 0 96 96 0 8 0
ffsino 272 1645 0 115 102 0 102 102 0 8 0
nchpl 144 1898 0 202 63 0 63 63 0 8 0
uvmvnodes 80 1992 0 0 41 0 41 41 0 8 0
vnodes 216 1992 0 0 111 0 111 111 0 8 0
namei 1024 6503 0 6503 2 0 2 2 0 8 2
percpumem 16 46 0 2 1 0 1 1 0 8 0
kstatmem 264 22 0 4 2 0 2 2 0 8 0
scxspl 216 5525 0 5525 3 1 2 2 1 8 2
plimitpl 152 112 0 89 2 0 2 2 0 8 1
sigapl 424 507 0 456 7 0 7 7 0 8 0
futexpl 64 932 0 928 1 0 1 1 0 8 0
knotepl 120 67 0 0 3 0 3 3 0 8 0
kqueuepl 216 104 0 90 5 0 5 5 0 8 4
pipepl 320 161 0 134 3 0 3 3 0 8 0
fdescpl 496 488 0 457 7 1 6 6 0 8 0
filepl 152 2562 0 2272 15 0 15 15 0 8 3
lockfpl 104 25 0 23 1 0 1 1 0 8 0
lockfspl 48 12 0 10 1 0 1 1 0 8 0
sessionpl 144 41 0 27 1 0 1 1 0 8 0
pgrppl 48 69 0 48 1 0 1 1 0 8 0
ucredpl 104 240 0 223 1 0 1 1 0 8 0
zombiepl 144 457 0 456 1 0 1 1 0 8 0
processpl 1160 507 0 456 5 0 5 5 0 8 0
procpl 648 601 0 542 6 0 6 6 0 8 0
sosppl 168 2 0 2 1 0 1 1 0 8 1
sockpl 664 301 0 265 9 0 9 9 0 8 5
mcl64k 65536 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 134 0 0 17 0 17 17 0 8 0
mcl2k 2048 24 0 0 3 0 3 3 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 255 0 0 16 0 16 16 0 8 0
bufpl 280 2252 0 94 155 0 155 155 0 8 0
anonpl 24 194856 0 191845 23 1 22 23 0 185 1
amapchunkpl 152 11832 0 11376 23 0 23 23 0 158 4
amappl16 200 5821 0 5809 5 1 4 5 0 8 3
amappl15 192 13 0 13 1 1 0 1 0 8 0
amappl14 184 134 0 124 1 0 1 1 0 8 0
amappl13 176 10 0 10 1 1 0 1 0 8 0
amappl12 168 1160 0 1130 2 0 2 2 0 8 0
amappl11 160 64 0 54 1 0 1 1 0 8 0
amappl10 152 94 0 94 1 1 0 1 0 8 0
amappl9 144 156 0 156 1 1 0 1 0 8 0
amappl8 136 28 0 27 1 0 1 1 0 8 0
amappl7 128 99 0 89 1 0 1 1 0 8 0
amappl6 120 228 0 227 1 0 1 1 0 8 0
amappl5 112 137 0 129 1 0 1 1 0 8 0
amappl4 104 289 0 273 1 0 1 1 0 8 0
amappl3 96 1987 0 1901 3 0 3 3 0 8 0
amappl2 88 764 0 688 2 0 2 2 0 8 0
amappl1 80 7983 0 7473 14 0 14 14 0 8 0
amappl 88 3062 0 2900 5 0 5 5 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 6 0 0 1 0 1 1 0 8 0
uaddrrnd 24 488 0 457 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 488 0 457 1 0 1 1 0 8 0
vmmpekpl 168 6086 0 6031 3 0 3 3 0 8 0
vmmpepl 168 41303 0 39598 89 0 89 89 0 357 4
vmsppl 448 487 0 457 5 0 5 5 0 8 0
rwobjpl 56 19302 0 16521 41 0 41 41 0 8 0
pdppl 4096 983 0 914 109 32 77 95 0 8 8
pvpl 32 9691 0 0 79 0 79 79 0 265 0
pmappl 248 487 0 457 4 1 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 402 0 35 11 0 11 11 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff834e2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8351c680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8351c680) at __mp_lock+0x192 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x7b9999cda750, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff834e2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8351c680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8351c680) at __mp_lock+0x192 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x7b9999cda750, count: -6
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830e6da5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309b4d3,ffffffff830d17d7,679,ffffffff82ffe0bd) at __assert+0x29
uvm_fault_unwire_locked(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff80003539d460,ffff80002ad7dfc0,ffff80002ad7df10) at sys_sysctl+0x425
syscall(ffff80002ad7dfc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80002ad7dfc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x978a5a05240, count: 6
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff830e6da5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8309b4d3,ffffffff830d17d7,679,ffffffff82ffe0bd) at __assert+0x29
uvm_fault_unwire_locked(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire_locked+0x4b4
uvm_fault_unwire(fffffd8066bb2020,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline]
kern_sysctl(ffff80002ad7de54,2,200001c0,ffff80002ad7de88,0,37,f22398afbae470d7) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508
sys_sysctl(ffff80003539d460,ffff80002ad7dfc0,ffff80002ad7df10) at sys_sysctl+0x425
syscall(ffff80002ad7dfc0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80002ad7dfc0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x978a5a05240, count: -9
---
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syzbot
Jan 8, 2025, 5:56:18 PM1/8/25
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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