protection_fault: lf_advlock (3)
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syzbot
2023年1月23日 晚上11:31:532023/1/23
收件者：syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 8889fb9978b3 Move bn_mul_add_words() and bn_mul_words() fr..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14646899480000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=61df7dd9963a164fe87c
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/fba679cf59bc/disk-8889fb99.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/6a6338a880c0/bsd-8889fb99.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9fa3bdf482ef/kernel-8889fb99.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+61df7d...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at lf_advlock+0x223: addl $0x1,0x28(%rbx)
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
lf_advlock(ffff800000cfdbe0,0,fffffd80742b7ba0,8,ffff80002febbbc0,40) at lf_advlock+0x223 ls_ref sys/kern/vfs_lockf.c:138 [inline]
lf_advlock(ffff800000cfdbe0,0,fffffd80742b7ba0,8,ffff80002febbbc0,40) at lf_advlock+0x223 sys/kern/vfs_lockf.c:278
VOP_ADVLOCK(fffffd8067cd61b8,fffffd80742b7ba0,8,ffff80002febbbc0,40) at VOP_ADVLOCK+0x71 sys/kern/vfs_vops.c:612
sys_fcntl(ffff8000212bf0a0,ffff80002febbc48,ffff80002febbc90) at sys_fcntl+0xad9
syscall(ffff80002febbd10) at syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline]
syscall(ffff80002febbd10) at syscall+0x57c sys/arch/amd64/amd64/trap.c:626
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa99e77662e0, count: -5
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff80002febbad0
rbx 0xdeafbeaddeafbead
rdx 0
rcx 0x5
rax 0xffff8000212bf0a0
r8 0xffff80002febbbc0
r9 0x40
r10 0x8dbe5cb065bba096
r11 0x66ecba334b5e4b9f
r12 0xffff800000cfdbe0
r13 0x8
r14 0xffff80002febbbc0
r15 0
rip 0xffffffff815a23f3 lf_advlock+0x223
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002febba30
ss 0x10
lf_advlock+0x223: addl $0x1,0x28(%rbx)
ddb{0}> show proc
PROC (syz-executor.7) pid=89619 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=32, usrpri=82, nice=20
forw=0xffffffffffffffff, list=0xffff8000212bede8,0xffff8000212bf620
process=0xffff80002122d930 user=0xffff80002feb6000, vmspace=0xfffffd8074305018
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
34039 425217 15737 32767 7 0x10 syz-executor.6
34039 43635 15737 32767 3 0x4000090 fsleep syz-executor.6
34039 134690 15737 32767 3 0x4000090 fsleep syz-executor.6
34039 13617 15737 32767 3 0x4000090 fsleep syz-executor.6
34039 396779 15737 32767 2 0x4000010 syz-executor.6
34039 309517 15737 32767 3 0x4000090 fsleep syz-executor.6
98886 5852 3868 32767 2 0x10 syz-executor.7
*98886 89619 3868 32767 7 0x4000010 syz-executor.7
98886 74714 3868 32767 3 0x4000010 lockflk syz-executor.7
55454 443212 39188 32767 2 0x400010 syz-executor.2
55454 358397 39188 32767 3 0x4400090 fsleep syz-executor.2
94895 522836 59466 32767 2 0x81010 syz-executor.3
94895 140911 59466 32767 3 0x4003010 suspend syz-executor.3
65740 351644 69148 32767 2 0x490 syz-executor.1
65740 427653 69148 32767 3 0x4000090 fsleep syz-executor.1
65740 136515 69148 32767 2 0x4000010 syz-executor.1
59466 224004 69389 32767 3 0x90 nanoslp syz-executor.3
69389 342840 20297 0 3 0x82 wait syz-executor.3
76223 34339 46826 32767 3 0x10 biowait syz-executor.4
46826 405598 20297 0 3 0x82 wait syz-executor.4
82152 176922 4611 32767 2 0x10 syz-executor.5
4611 20746 20297 0 3 0x82 wait syz-executor.5
69148 493110 26681 32767 3 0x90 nanoslp syz-executor.1
26681 4929 20297 0 3 0x82 wait syz-executor.1
39188 411191 80718 32767 3 0x90 nanoslp syz-executor.2
80718 343347 20297 0 3 0x82 wait syz-executor.2
8733 402942 0 0 3 0x14200 bored sosplice
3868 418361 30518 32767 3 0x90 nanoslp syz-executor.7
15737 227618 73272 32767 3 0x90 nanoslp syz-executor.6
30518 68091 20297 0 3 0x82 wait syz-executor.7
40064 503495 66872 0 3 0x100082 netio arp
73272 360095 20297 0 3 0x82 wait syz-executor.6
66872 350652 55676 0 3 0x10008a sigsusp sh
55676 37549 1 0 3 0x80 wait syz-executor.3
44593 296305 80253 32767 2 0x10 syz-executor.0
80253 313618 20297 0 3 0x82 wait syz-executor.0
20297 102289 1461 0 3 0x82 thrsleep syz-fuzzer
20297 253981 1461 0 3 0x4000082 nanoslp syz-fuzzer
20297 83109 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 200250 1461 0 3 0x4000082 wait syz-fuzzer
20297 500995 1461 0 3 0x4000082 wait syz-fuzzer
20297 449232 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 423655 1461 0 3 0x4000082 wait syz-fuzzer
20297 339575 1461 0 3 0x4000082 wait syz-fuzzer
20297 372693 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 397331 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 443105 1461 0 3 0x4000082 wait syz-fuzzer
20297 358770 1461 0 3 0x4000082 wait syz-fuzzer
20297 13337 1461 0 3 0x4000082 wait syz-fuzzer
20297 377796 1461 0 3 0x4000082 wait syz-fuzzer
20297 11808 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 58089 1461 0 3 0x4000082 kqread syz-fuzzer
1461 160819 69461 0 3 0x10008a sigsusp ksh
69461 359078 73605 0 3 0x9a kqread sshd
33111 392463 1 0 3 0x100083 ttyin getty
73605 281312 1 0 3 0x88 kqread sshd
50954 336696 48709 73 3 0x1100090 kqread syslogd
48709 513437 1 0 3 0x100082 netio syslogd
18538 205363 1 0 3 0x100080 kqread resolvd
96667 463530 14806 77 3 0x100092 kqread dhcpleased
16353 117552 14806 77 3 0x100092 kqread dhcpleased
14806 420735 1 0 3 0x80 kqread dhcpleased
2332 152860 0 0 3 0x14200 bored smr
16082 425367 0 0 2 0x14200 zerothread
20119 11595 0 0 3 0x14200 aiodoned aiodoned
34492 463071 0 0 3 0x14200 syncer update
37602 502684 0 0 3 0x14200 cleaner cleaner
11166 423150 0 0 3 0x14200 reaper reaper
7794 418529 0 0 3 0x14200 pgdaemon pagedaemon
69280 139023 0 0 3 0x14200 bored viomb
76790 384057 0 0 3 0x40014200 acpi0 acpi0
226 62759 0 0 3 0x40014200 idle1
54849 488840 0 0 3 0x14200 bored softnet
1992 178023 0 0 3 0x14200 bored softnet
77921 159038 0 0 3 0x14200 bored softnet
29499 117046 0 0 3 0x14200 bored softnet
56409 60244 0 0 3 0x14200 bored systqmp
56637 481308 0 0 3 0x14200 bored systq
92180 307347 0 0 2 0x40014200 softclock
99475 99571 0 0 3 0x40014200 idle0
1 280276 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 98886 (syz-executor.7) thread 0xffff8000212bf0a0 (89619)
exclusive rwlock lockflk r = 0 (0xffffffff82b48f20)
#0 witness_lock+0x44d
#1 lf_advlock+0x195 sys/kern/vfs_lockf.c:260
#2 VOP_ADVLOCK+0x71 sys/kern/vfs_vops.c:612
#3 sys_fcntl+0xad9
#4 syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline]
#4 syscall+0x57c sys/arch/amd64/amd64/trap.c:626
#5 Xsyscall+0x128
Process 76223 (syz-executor.4) thread 0xffff8000212a58a0 (34339)
exclusive rrwlock inode r = 0 (0xfffffd807ae1b1b0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#10 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807ae1ba30)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#8 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#9 Xsyscall+0x128
Process 82152 (syz-executor.5) thread 0xffff8000212a4dc0 (176922)
exclusive rrwlock inode r = 0 (0xfffffd807ae1b5f0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#10 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807ae1b2c0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#8 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#9 Xsyscall+0x128
Process 44593 (syz-executor.0) thread 0xffff80002121d5e0 (296305)
exclusive rrwlock inode r = 0 (0xfffffd807ae1bc50)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#10 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806bcd5f88)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#8 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10228 6413K 6421K 78643K 11371 0
pcb 13 12K 14K 78643K 17 0
rtable 242 6K 7K 78643K 2126 0
ifaddr 73 24K 24K 78643K 177 0
sysctl 3 1K 3K 78643K 10 0
counters 60 35K 35K 78643K 94 0
ioctlops 0 0K 2K 78643K 123 0
iov 0 0K 28K 78643K 1948 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1285 80K 80K 78643K 7177 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 132 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 4024 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 26 97K 117K 78643K 9822 0
sigio 0 0K 0K 78643K 296 0
proc 56 78K 103K 78643K 1518 0
subproc 117 7K 7K 78643K 325 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 1047 0
in_multi 99 6K 7K 78643K 427 0
ether_multi 1 0K 0K 78643K 34 0
mrt 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 241 1076K 1076K 78643K 241 0
exec 0 0K 1K 78643K 1805 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 8 62K 64K 78643K 10 0
UVM amap 395 101K 115K 78643K 72712 0
UVM aobj 131 4K 4K 78643K 131 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 1 0K 0K 78643K 801 0
NDP 11 0K 1K 78643K 76 0
temp 128 5778K 5906K 78643K 28190 0
kqueue 12 18K 26K 78643K 914 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> 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 1508 0 1504 21 19 2 4 0 8 1
rtentry 112 313 0 199 4 0 4 4 0 8 0
unpcb 144 16850 0 16834 91 85 6 10 0 8 5
syncache 296 148 0 148 19 18 1 1 0 8 1
tcpqe 32 139 0 139 18 18 0 1 0 8 0
tcpcb 776 6228 0 6222 94 86 8 12 0 8 6
arp 120 54 0 36 1 0 1 1 0 8 0
ipq 40 6 0 6 5 4 1 1 0 8 1
ipqe 40 54 0 54 5 4 1 1 0 8 1
inpcb 368 13513 0 13503 119 111 8 22 0 8 6
ip6q 72 41 0 41 5 5 0 1 0 8 0
ip6af 40 123 0 123 5 5 0 1 0 8 0
nd6 48 92 0 64 1 0 1 1 0 8 0
kcovpl 48 25 0 16 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1289 0 822 35 5 30 30 0 8 0
art_table 32 1290 0 822 4 0 4 4 0 8 0
art_node 16 312 0 208 1 0 1 1 0 8 0
sysvmsgpl 40 14 0 14 1 1 0 1 0 8 0
semupl 112 6 0 6 2 2 0 1 0 8 0
semapl 112 3988 0 3978 1 0 1 1 0 8 0
shmpl 112 128 0 0 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 18641 0 17193 92 0 92 92 0 8 0
ffsino 272 18642 0 17193 98 0 98 98 0 8 0
nchpl 144 32012 0 30379 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 128212 0 128209 4 3 1 2 0 8 0
percpumem 16 60 0 17 1 0 1 1 0 8 0
kstatmem 264 56 0 34 2 0 2 2 0 8 0
scxspl 216 89684 0 89683 41 38 3 8 0 8 2
plimitpl 152 2615 0 2590 9 7 2 2 0 8 0
sigapl 424 10081 0 10026 7 0 7 7 0 8 0
futexpl 64 101269 0 101263 4 3 1 1 0 8 0
knotepl 120 572 0 0 10 0 10 10 0 8 0
kqueuepl 216 4469 0 4458 82 77 5 12 0 8 4
pipepl 320 3739 0 3708 98 87 11 15 0 8 8
fdescpl 496 10063 0 10026 7 1 6 6 0 8 0
filepl 152 108151 0 107885 145 126 19 27 0 8 8
lockfpl 104 15400 0 15398 2 1 1 2 0 8 0
lockfspl 48 2846 0 2844 1 0 1 1 0 8 0
sessionpl 144 40 0 23 1 0 1 1 0 8 0
pgrppl 48 189 0 172 1 0 1 1 0 8 0
ucredpl 104 31812 0 31794 1 0 1 1 0 8 0
zombiepl 144 10027 0 10026 2 1 1 1 0 8 0
processpl 1072 10081 0 10026 5 1 4 5 0 8 0
procpl 696 30566 0 30485 22 13 9 10 0 8 0
srpgc 96 1 0 1 1 1 0 1 0 8 0
sosppl 168 136 0 136 16 16 0 1 0 8 0
sockpl 488 32226 0 32196 628 616 12 42 0 8 8
mcl64k 65536 41 0 0 4 1 3 3 0 8 0
mcl16k 16384 33 0 0 4 1 3 3 0 8 0
mcl12k 12288 25 0 0 2 0 2 2 0 8 0
mcl9k 9216 17 0 0 2 0 2 2 0 8 0
mcl8k 8192 26 0 0 3 0 3 3 0 8 0
mcl4k 4096 66 0 0 8 3 5 8 0 8 0
mcl2k2 2112 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 386 0 0 39 11 28 39 0 8 2
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 9279 0 0 556 0 556 556 0 8 0
bufpl 288 22498 0 16171 453 0 453 453 0 8 0
anonpl 24 2169661 0 2155338 254 143 111 137 0 186 5
amapchunkpl 152 212346 0 211571 119 86 33 44 0 158 0
amappl16 200 24436 0 24042 176 146 30 45 0 8 8
amappl15 192 42 0 41 1 0 1 1 0 8 0
amappl14 184 196 0 184 1 0 1 1 0 8 0
amappl13 176 13 0 13 4 4 0 1 0 8 0
amappl12 168 605 0 598 1 0 1 1 0 8 0
amappl11 160 52 0 41 1 0 1 1 0 8 0
amappl10 152 61 0 44 1 0 1 1 0 8 0
amappl9 144 1032 0 1031 1 0 1 1 0 8 0
amappl8 136 620 0 496 5 0 5 5 0 8 0
amappl7 128 230 0 204 2 0 2 2 0 8 0
amappl6 120 319 0 299 1 0 1 1 0 8 0
amappl5 112 378 0 372 1 0 1 1 0 8 0
amappl4 104 851 0 815 3 2 1 3 0 8 0
amappl3 96 31289 0 31223 2 0 2 2 0 8 0
amappl2 88 10993 0 10906 7 4 3 3 0 8 1
amappl1 80 236624 0 235787 23 4 19 22 0 8 0
amappl 88 71624 0 71389 7 1 6 6 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 72 130 0 0 3 0 3 3 0 8 0
uaddrrnd 24 10063 0 10026 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 10063 0 10026 1 0 1 1 0 8 0
vmmpekpl 168 93248 0 93183 4 0 4 4 0 8 0
vmmpepl 168 946896 0 943826 267 120 147 159 0 357 2
vmsppl 368 10062 0 10026 4 0 4 4 0 8 0
rwobjpl 56 265613 0 257865 129 17 112 116 0 8 0
pdppl 4096 20133 0 20052 330 243 87 93 0 8 6
pvpl 32 4141082 0 4120130 516 304 212 271 0 265 20
pmappl 248 10062 0 10026 4 1 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1756 0 380 40 0 40 40 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
lf_advlock(ffff800000cfdbe0,0,fffffd80742b7ba0,8,ffff80002febbbc0,40) at lf_advlock+0x223 ls_ref sys/kern/vfs_lockf.c:138 [inline]
lf_advlock(ffff800000cfdbe0,0,fffffd80742b7ba0,8,ffff80002febbbc0,40) at lf_advlock+0x223 sys/kern/vfs_lockf.c:278
VOP_ADVLOCK(fffffd8067cd61b8,fffffd80742b7ba0,8,ffff80002febbbc0,40) at VOP_ADVLOCK+0x71 sys/kern/vfs_vops.c:612
sys_fcntl(ffff8000212bf0a0,ffff80002febbc48,ffff80002febbc90) at sys_fcntl+0xad9
syscall(ffff80002febbd10) at syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline]
syscall(ffff80002febbd10) at syscall+0x57c sys/arch/amd64/amd64/trap.c:626
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa99e77662e0, count: -5
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d68ff0) 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
end of kernel
end trace frame: 0x7f7ffffbf8f0, count: -3
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 8889fb9978b3 Move bn_mul_add_words() and bn_mul_words() fr..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14646899480000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=61df7dd9963a164fe87c
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/fba679cf59bc/disk-8889fb99.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/6a6338a880c0/bsd-8889fb99.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9fa3bdf482ef/kernel-8889fb99.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+61df7d...@syzkaller.appspotmail.com
kernel: protection fault trap, code=0
Stopped at lf_advlock+0x223: addl $0x1,0x28(%rbx)
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> trace
lf_advlock(ffff800000cfdbe0,0,fffffd80742b7ba0,8,ffff80002febbbc0,40) at lf_advlock+0x223 ls_ref sys/kern/vfs_lockf.c:138 [inline]
lf_advlock(ffff800000cfdbe0,0,fffffd80742b7ba0,8,ffff80002febbbc0,40) at lf_advlock+0x223 sys/kern/vfs_lockf.c:278
VOP_ADVLOCK(fffffd8067cd61b8,fffffd80742b7ba0,8,ffff80002febbbc0,40) at VOP_ADVLOCK+0x71 sys/kern/vfs_vops.c:612
sys_fcntl(ffff8000212bf0a0,ffff80002febbc48,ffff80002febbc90) at sys_fcntl+0xad9
syscall(ffff80002febbd10) at syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline]
syscall(ffff80002febbd10) at syscall+0x57c sys/arch/amd64/amd64/trap.c:626
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa99e77662e0, count: -5
ddb{0}> show registers
rdi 0
rsi 0
rbp 0xffff80002febbad0
rbx 0xdeafbeaddeafbead
rdx 0
rcx 0x5
rax 0xffff8000212bf0a0
r8 0xffff80002febbbc0
r9 0x40
r10 0x8dbe5cb065bba096
r11 0x66ecba334b5e4b9f
r12 0xffff800000cfdbe0
r13 0x8
r14 0xffff80002febbbc0
r15 0
rip 0xffffffff815a23f3 lf_advlock+0x223
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002febba30
ss 0x10
lf_advlock+0x223: addl $0x1,0x28(%rbx)
ddb{0}> show proc
PROC (syz-executor.7) pid=89619 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=32, usrpri=82, nice=20
forw=0xffffffffffffffff, list=0xffff8000212bede8,0xffff8000212bf620
process=0xffff80002122d930 user=0xffff80002feb6000, vmspace=0xfffffd8074305018
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
34039 425217 15737 32767 7 0x10 syz-executor.6
34039 43635 15737 32767 3 0x4000090 fsleep syz-executor.6
34039 134690 15737 32767 3 0x4000090 fsleep syz-executor.6
34039 13617 15737 32767 3 0x4000090 fsleep syz-executor.6
34039 396779 15737 32767 2 0x4000010 syz-executor.6
34039 309517 15737 32767 3 0x4000090 fsleep syz-executor.6
98886 5852 3868 32767 2 0x10 syz-executor.7
*98886 89619 3868 32767 7 0x4000010 syz-executor.7
98886 74714 3868 32767 3 0x4000010 lockflk syz-executor.7
55454 443212 39188 32767 2 0x400010 syz-executor.2
55454 358397 39188 32767 3 0x4400090 fsleep syz-executor.2
94895 522836 59466 32767 2 0x81010 syz-executor.3
94895 140911 59466 32767 3 0x4003010 suspend syz-executor.3
65740 351644 69148 32767 2 0x490 syz-executor.1
65740 427653 69148 32767 3 0x4000090 fsleep syz-executor.1
65740 136515 69148 32767 2 0x4000010 syz-executor.1
59466 224004 69389 32767 3 0x90 nanoslp syz-executor.3
69389 342840 20297 0 3 0x82 wait syz-executor.3
76223 34339 46826 32767 3 0x10 biowait syz-executor.4
46826 405598 20297 0 3 0x82 wait syz-executor.4
82152 176922 4611 32767 2 0x10 syz-executor.5
4611 20746 20297 0 3 0x82 wait syz-executor.5
69148 493110 26681 32767 3 0x90 nanoslp syz-executor.1
26681 4929 20297 0 3 0x82 wait syz-executor.1
39188 411191 80718 32767 3 0x90 nanoslp syz-executor.2
80718 343347 20297 0 3 0x82 wait syz-executor.2
8733 402942 0 0 3 0x14200 bored sosplice
3868 418361 30518 32767 3 0x90 nanoslp syz-executor.7
15737 227618 73272 32767 3 0x90 nanoslp syz-executor.6
30518 68091 20297 0 3 0x82 wait syz-executor.7
40064 503495 66872 0 3 0x100082 netio arp
73272 360095 20297 0 3 0x82 wait syz-executor.6
66872 350652 55676 0 3 0x10008a sigsusp sh
55676 37549 1 0 3 0x80 wait syz-executor.3
44593 296305 80253 32767 2 0x10 syz-executor.0
80253 313618 20297 0 3 0x82 wait syz-executor.0
20297 102289 1461 0 3 0x82 thrsleep syz-fuzzer
20297 253981 1461 0 3 0x4000082 nanoslp syz-fuzzer
20297 83109 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 200250 1461 0 3 0x4000082 wait syz-fuzzer
20297 500995 1461 0 3 0x4000082 wait syz-fuzzer
20297 449232 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 423655 1461 0 3 0x4000082 wait syz-fuzzer
20297 339575 1461 0 3 0x4000082 wait syz-fuzzer
20297 372693 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 397331 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 443105 1461 0 3 0x4000082 wait syz-fuzzer
20297 358770 1461 0 3 0x4000082 wait syz-fuzzer
20297 13337 1461 0 3 0x4000082 wait syz-fuzzer
20297 377796 1461 0 3 0x4000082 wait syz-fuzzer
20297 11808 1461 0 3 0x4000082 thrsleep syz-fuzzer
20297 58089 1461 0 3 0x4000082 kqread syz-fuzzer
1461 160819 69461 0 3 0x10008a sigsusp ksh
69461 359078 73605 0 3 0x9a kqread sshd
33111 392463 1 0 3 0x100083 ttyin getty
73605 281312 1 0 3 0x88 kqread sshd
50954 336696 48709 73 3 0x1100090 kqread syslogd
48709 513437 1 0 3 0x100082 netio syslogd
18538 205363 1 0 3 0x100080 kqread resolvd
96667 463530 14806 77 3 0x100092 kqread dhcpleased
16353 117552 14806 77 3 0x100092 kqread dhcpleased
14806 420735 1 0 3 0x80 kqread dhcpleased
2332 152860 0 0 3 0x14200 bored smr
16082 425367 0 0 2 0x14200 zerothread
20119 11595 0 0 3 0x14200 aiodoned aiodoned
34492 463071 0 0 3 0x14200 syncer update
37602 502684 0 0 3 0x14200 cleaner cleaner
11166 423150 0 0 3 0x14200 reaper reaper
7794 418529 0 0 3 0x14200 pgdaemon pagedaemon
69280 139023 0 0 3 0x14200 bored viomb
76790 384057 0 0 3 0x40014200 acpi0 acpi0
226 62759 0 0 3 0x40014200 idle1
54849 488840 0 0 3 0x14200 bored softnet
1992 178023 0 0 3 0x14200 bored softnet
77921 159038 0 0 3 0x14200 bored softnet
29499 117046 0 0 3 0x14200 bored softnet
56409 60244 0 0 3 0x14200 bored systqmp
56637 481308 0 0 3 0x14200 bored systq
92180 307347 0 0 2 0x40014200 softclock
99475 99571 0 0 3 0x40014200 idle0
1 280276 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 98886 (syz-executor.7) thread 0xffff8000212bf0a0 (89619)
exclusive rwlock lockflk r = 0 (0xffffffff82b48f20)
#0 witness_lock+0x44d
#1 lf_advlock+0x195 sys/kern/vfs_lockf.c:260
#2 VOP_ADVLOCK+0x71 sys/kern/vfs_vops.c:612
#3 sys_fcntl+0xad9
#4 syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline]
#4 syscall+0x57c sys/arch/amd64/amd64/trap.c:626
#5 Xsyscall+0x128
Process 76223 (syz-executor.4) thread 0xffff8000212a58a0 (34339)
exclusive rrwlock inode r = 0 (0xfffffd807ae1b1b0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#10 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807ae1ba30)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#8 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#9 Xsyscall+0x128
Process 82152 (syz-executor.5) thread 0xffff8000212a4dc0 (176922)
exclusive rrwlock inode r = 0 (0xfffffd807ae1b5f0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#10 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807ae1b2c0)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#8 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#9 Xsyscall+0x128
Process 44593 (syz-executor.0) thread 0xffff80002121d5e0 (296305)
exclusive rrwlock inode r = 0 (0xfffffd807ae1bc50)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#10 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806bcd5f88)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x555 mi_syscall sys/sys/syscall_mi.h:113 [inline]
#8 syscall+0x555 sys/arch/amd64/amd64/trap.c:626
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10228 6413K 6421K 78643K 11371 0
pcb 13 12K 14K 78643K 17 0
rtable 242 6K 7K 78643K 2126 0
ifaddr 73 24K 24K 78643K 177 0
sysctl 3 1K 3K 78643K 10 0
counters 60 35K 35K 78643K 94 0
ioctlops 0 0K 2K 78643K 123 0
iov 0 0K 28K 78643K 1948 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1285 80K 80K 78643K 7177 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 132 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 4024 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 26 97K 117K 78643K 9822 0
sigio 0 0K 0K 78643K 296 0
proc 56 78K 103K 78643K 1518 0
subproc 117 7K 7K 78643K 325 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 1047 0
in_multi 99 6K 7K 78643K 427 0
ether_multi 1 0K 0K 78643K 34 0
mrt 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 241 1076K 1076K 78643K 241 0
exec 0 0K 1K 78643K 1805 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 8 62K 64K 78643K 10 0
UVM amap 395 101K 115K 78643K 72712 0
UVM aobj 131 4K 4K 78643K 131 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 1 0K 0K 78643K 801 0
NDP 11 0K 1K 78643K 76 0
temp 128 5778K 5906K 78643K 28190 0
kqueue 12 18K 26K 78643K 914 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> 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 1508 0 1504 21 19 2 4 0 8 1
rtentry 112 313 0 199 4 0 4 4 0 8 0
unpcb 144 16850 0 16834 91 85 6 10 0 8 5
syncache 296 148 0 148 19 18 1 1 0 8 1
tcpqe 32 139 0 139 18 18 0 1 0 8 0
tcpcb 776 6228 0 6222 94 86 8 12 0 8 6
arp 120 54 0 36 1 0 1 1 0 8 0
ipq 40 6 0 6 5 4 1 1 0 8 1
ipqe 40 54 0 54 5 4 1 1 0 8 1
inpcb 368 13513 0 13503 119 111 8 22 0 8 6
ip6q 72 41 0 41 5 5 0 1 0 8 0
ip6af 40 123 0 123 5 5 0 1 0 8 0
nd6 48 92 0 64 1 0 1 1 0 8 0
kcovpl 48 25 0 16 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1289 0 822 35 5 30 30 0 8 0
art_table 32 1290 0 822 4 0 4 4 0 8 0
art_node 16 312 0 208 1 0 1 1 0 8 0
sysvmsgpl 40 14 0 14 1 1 0 1 0 8 0
semupl 112 6 0 6 2 2 0 1 0 8 0
semapl 112 3988 0 3978 1 0 1 1 0 8 0
shmpl 112 128 0 0 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 18641 0 17193 92 0 92 92 0 8 0
ffsino 272 18642 0 17193 98 0 98 98 0 8 0
nchpl 144 32012 0 30379 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 128212 0 128209 4 3 1 2 0 8 0
percpumem 16 60 0 17 1 0 1 1 0 8 0
kstatmem 264 56 0 34 2 0 2 2 0 8 0
scxspl 216 89684 0 89683 41 38 3 8 0 8 2
plimitpl 152 2615 0 2590 9 7 2 2 0 8 0
sigapl 424 10081 0 10026 7 0 7 7 0 8 0
futexpl 64 101269 0 101263 4 3 1 1 0 8 0
knotepl 120 572 0 0 10 0 10 10 0 8 0
kqueuepl 216 4469 0 4458 82 77 5 12 0 8 4
pipepl 320 3739 0 3708 98 87 11 15 0 8 8
fdescpl 496 10063 0 10026 7 1 6 6 0 8 0
filepl 152 108151 0 107885 145 126 19 27 0 8 8
lockfpl 104 15400 0 15398 2 1 1 2 0 8 0
lockfspl 48 2846 0 2844 1 0 1 1 0 8 0
sessionpl 144 40 0 23 1 0 1 1 0 8 0
pgrppl 48 189 0 172 1 0 1 1 0 8 0
ucredpl 104 31812 0 31794 1 0 1 1 0 8 0
zombiepl 144 10027 0 10026 2 1 1 1 0 8 0
processpl 1072 10081 0 10026 5 1 4 5 0 8 0
procpl 696 30566 0 30485 22 13 9 10 0 8 0
srpgc 96 1 0 1 1 1 0 1 0 8 0
sosppl 168 136 0 136 16 16 0 1 0 8 0
sockpl 488 32226 0 32196 628 616 12 42 0 8 8
mcl64k 65536 41 0 0 4 1 3 3 0 8 0
mcl16k 16384 33 0 0 4 1 3 3 0 8 0
mcl12k 12288 25 0 0 2 0 2 2 0 8 0
mcl9k 9216 17 0 0 2 0 2 2 0 8 0
mcl8k 8192 26 0 0 3 0 3 3 0 8 0
mcl4k 4096 66 0 0 8 3 5 8 0 8 0
mcl2k2 2112 7 0 0 1 0 1 1 0 8 0
mcl2k 2048 386 0 0 39 11 28 39 0 8 2
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 9279 0 0 556 0 556 556 0 8 0
bufpl 288 22498 0 16171 453 0 453 453 0 8 0
anonpl 24 2169661 0 2155338 254 143 111 137 0 186 5
amapchunkpl 152 212346 0 211571 119 86 33 44 0 158 0
amappl16 200 24436 0 24042 176 146 30 45 0 8 8
amappl15 192 42 0 41 1 0 1 1 0 8 0
amappl14 184 196 0 184 1 0 1 1 0 8 0
amappl13 176 13 0 13 4 4 0 1 0 8 0
amappl12 168 605 0 598 1 0 1 1 0 8 0
amappl11 160 52 0 41 1 0 1 1 0 8 0
amappl10 152 61 0 44 1 0 1 1 0 8 0
amappl9 144 1032 0 1031 1 0 1 1 0 8 0
amappl8 136 620 0 496 5 0 5 5 0 8 0
amappl7 128 230 0 204 2 0 2 2 0 8 0
amappl6 120 319 0 299 1 0 1 1 0 8 0
amappl5 112 378 0 372 1 0 1 1 0 8 0
amappl4 104 851 0 815 3 2 1 3 0 8 0
amappl3 96 31289 0 31223 2 0 2 2 0 8 0
amappl2 88 10993 0 10906 7 4 3 3 0 8 1
amappl1 80 236624 0 235787 23 4 19 22 0 8 0
amappl 88 71624 0 71389 7 1 6 6 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 72 130 0 0 3 0 3 3 0 8 0
uaddrrnd 24 10063 0 10026 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 10063 0 10026 1 0 1 1 0 8 0
vmmpekpl 168 93248 0 93183 4 0 4 4 0 8 0
vmmpepl 168 946896 0 943826 267 120 147 159 0 357 2
vmsppl 368 10062 0 10026 4 0 4 4 0 8 0
rwobjpl 56 265613 0 257865 129 17 112 116 0 8 0
pdppl 4096 20133 0 20052 330 243 87 93 0 8 6
pvpl 32 4141082 0 4120130 516 304 212 271 0 265 20
pmappl 248 10062 0 10026 4 1 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1756 0 380 40 0 40 40 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
lf_advlock(ffff800000cfdbe0,0,fffffd80742b7ba0,8,ffff80002febbbc0,40) at lf_advlock+0x223 ls_ref sys/kern/vfs_lockf.c:138 [inline]
lf_advlock(ffff800000cfdbe0,0,fffffd80742b7ba0,8,ffff80002febbbc0,40) at lf_advlock+0x223 sys/kern/vfs_lockf.c:278
VOP_ADVLOCK(fffffd8067cd61b8,fffffd80742b7ba0,8,ffff80002febbbc0,40) at VOP_ADVLOCK+0x71 sys/kern/vfs_vops.c:612
sys_fcntl(ffff8000212bf0a0,ffff80002febbc48,ffff80002febbc90) at sys_fcntl+0xad9
syscall(ffff80002febbd10) at syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline]
syscall(ffff80002febbd10) at syscall+0x57c sys/arch/amd64/amd64/trap.c:626
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa99e77662e0, count: -5
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d68ff0) 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
end of kernel
end trace frame: 0x7f7ffffbf8f0, count: -3
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2023年12月19日 清晨6:04:162023/12/19
收件者：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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