panic: rw_enter: pf_state_lock locking against myself
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syzbot
Feb 9, 2021, 6:02:23 PM2/9/21
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 0049eb19 rc: ensure that vfs.mounts.nfs check works withou..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12319224d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=d6ea8620b43dc69ecbc6
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+d6ea86...@syzkaller.appspotmail.com
panic: rw_enter: pf_state_lock locking against myself
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
330691 17810 0 0 0 1 syz-executor.0
*191858 17810 0 0 0x4000000 0 syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pf_state_insert(ffff800000b5c400,ffff8000242d4fe8,ffff8000242d4ff0,fffffd80672bfc88) at pf_state_insert+0xa0 sys/net/pf.c:951
pfsync_state_import(ffff800000b40000,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000b40000,3,ffff800021288a80) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f729e20,c1084425,ffff800000b40000,3,fffffd807f7b7a80,ffff800021288a80) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd806af2cc98,c1084425,ffff800000b40000,ffff800021288a80) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021288a80,ffff8000242d5498,ffff8000242d54e0) at sys_ioctl+0x4b0
syscall(ffff8000242d5560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000242d5560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x18406dc7f50, count: 4
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
rw_enter: pf_state_lock locking against myself
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pf_state_insert(ffff800000b5c400,ffff8000242d4fe8,ffff8000242d4ff0,fffffd80672bfc88) at pf_state_insert+0xa0 sys/net/pf.c:951
pfsync_state_import(ffff800000b40000,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000b40000,3,ffff800021288a80) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f729e20,c1084425,ffff800000b40000,3,fffffd807f7b7a80,ffff800021288a80) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd806af2cc98,c1084425,ffff800000b40000,ffff800021288a80) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021288a80,ffff8000242d5498,ffff8000242d54e0) at sys_ioctl+0x4b0
syscall(ffff8000242d5560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000242d5560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x18406dc7f50, count: -11
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000242d4df0
rbx 0xffff8000242d4e00
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff82038635 kprintf+0x145
r9 0x1
r10 0xa72080d7709f43cc
r11 0xaa7d7508097d61c5
r12 0x3000000008
r13 0xffff8000242d4ea0
r14 0x100
r15 0x1
rip 0xffffffff81c04668 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000242d4de0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.0) pid=191858 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=75, nice=20
forw=0xffffffffffffffff, list=0xffff8000212887e0,0xffffffff828cbd48
process=0xffff800021234cb8 user=0xffff8000242d0000, vmspace=0xfffffd80673fdb90
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
17810 330691 45537 0 7 0 syz-executor.0
*17810 191858 45537 0 7 0x4000000 syz-executor.0
66381 385135 0 0 3 0x14200 bored sosplice
61065 297984 90466 0 2 0x2 syz-executor.1
45537 344262 90466 0 3 0x82 nanoslp syz-executor.0
90466 82544 1814 0 3 0x82 thrsleep syz-fuzzer
90466 245330 1814 0 2 0x4000482 syz-fuzzer
90466 522364 1814 0 3 0x4000082 thrsleep syz-fuzzer
90466 175875 1814 0 2 0x4000082 syz-fuzzer
90466 477579 1814 0 3 0x4000082 thrsleep syz-fuzzer
90466 438832 1814 0 3 0x4000082 thrsleep syz-fuzzer
90466 480513 1814 0 3 0x4000082 thrsleep syz-fuzzer
90466 428424 1814 0 3 0x4000082 thrsleep syz-fuzzer
1814 132075 28268 0 3 0x10008a sigsusp ksh
28268 36217 6045 0 3 0x92 select sshd
12052 437199 1 0 3 0x100083 ttyin getty
6045 480026 1 0 3 0x80 select sshd
37678 78024 96630 74 3 0x100092 bpf pflogd
96630 176083 1 0 3 0x80 netio pflogd
68829 427956 13119 73 3 0x100090 kqread syslogd
13119 140049 1 0 3 0x100082 netio syslogd
4587 22169 1 77 3 0x100090 poll dhclient
73756 439175 1 0 3 0x80 poll dhclient
1431 312100 0 0 3 0x14200 bored smr
59297 55646 0 0 3 0x14200 pgzero zerothread
59004 417055 0 0 3 0x14200 aiodoned aiodoned
63402 218290 0 0 3 0x14200 syncer update
58692 450535 0 0 3 0x14200 cleaner cleaner
80373 492751 0 0 3 0x14200 reaper reaper
32930 244962 0 0 3 0x14200 pgdaemon pagedaemon
78993 267033 0 0 3 0x14200 bored crynlk
32298 432981 0 0 3 0x14200 bored crypto
17573 356081 0 0 3 0x14200 bored viomb
64219 420810 0 0 3 0x40014200 acpi0 acpi0
75018 500514 0 0 3 0x40014200 idle1
28144 260422 0 0 3 0x14200 bored softnet
34203 302821 0 0 3 0x14200 bored systqmp
86024 46949 0 0 3 0x14200 bored systq
92886 370368 0 0 3 0x40014200 bored softclock
22858 118739 0 0 3 0x40014200 idle0
1 91727 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 17810 (syz-executor.0) thread 0xffff800021288a80 (191858)
exclusive rwlock pf_state_lock r = 0 (0xffffffff826db7f0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pfioctl+0x509f sys/net/pf_ioctl.c:1729
#2 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
#3 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#4 sys_ioctl+0x4b0
#5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#6 Xsyscall+0x128
exclusive rwlock pf_lock r = 0 (0xffffffff826db7c0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pfioctl+0x5093 sys/net/pf_ioctl.c:1728
#2 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
#3 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#4 sys_ioctl+0x4b0
#5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#6 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff82721440)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pfioctl+0x2de3 sys/net/pf_ioctl.c:1727
#2 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
#3 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#4 sys_ioctl+0x4b0
#5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#6 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828cbf70)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 vn_ioctl+0x40 sys/kern/vfs_vnops.c:514
#2 sys_ioctl+0x4b0
#3 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#3 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#4 Xsyscall+0x128
Process 61065 (syz-executor.1) thread 0xffff800021289500 (297984)
exclusive rrwlock inode r = 0 (0xfffffd806d981e78)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 rw_enter+0x416 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x88 sys/kern/kern_rwlock.c:461
#3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140
#4 ffs_vget+0x135 sys/ufs/ffs/ffs_vfsops.c:1350
#5 ffs_inode_alloc+0x1e1 sys/ufs/ffs/ffs_alloc.c:394
#6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:459
#8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3064
#9 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#9 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#10 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806b26c1a8)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 rw_enter+0x416 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x88 sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:614
#4 vn_lock+0x6c sys/kern/vfs_vnops.c:575
#5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419
#6 namei+0x5f7 sys/kern/vfs_lookup.c:249
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3049
#8 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9504 6676K 7324K 78643K 11289 0
pcb 13 8K 8K 78643K 82 0
rtable 91 2K 3K 78643K 277 0
ifaddr 43 10K 11K 78643K 67 0
counters 44 34K 34K 78643K 52 0
ioctlops 1 0K 4K 78643K 1485 0
iov 0 0K 16K 78643K 47 0
mount 1 1K 1K 78643K 1 0
vnodes 1221 77K 77K 78643K 1517 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 1K 1K 78643K 2 0
sem 12 1K 1K 78643K 48 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 5 13K 25K 78643K 681 0
proc 61 63K 95K 78643K 563 0
subproc 32 2K 2K 78643K 51 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 2 0K 0K 78643K 38 0
in_multi 23 1K 2K 78643K 75 0
ether_multi 1 0K 0K 78643K 16 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 43 201K 201K 78643K 43 0
exec 0 0K 2K 78643K 395 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 143 234K 234K 78643K 2263 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 34 0
NDP 6 0K 0K 78643K 16 0
temp 105 3973K 4037K 78643K 3847 0
kqueue 3 4K 6K 78643K 38 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
arp 64 8 0 2 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 120 21 0 19 1 0 1 1 0 8 0
rtentry 112 56 0 19 2 0 2 2 0 8 0
unpcb 120 82 0 72 1 0 1 1 0 8 0
syncache 296 4 0 4 1 1 0 1 0 8 0
tcpqe 32 14 0 14 2 2 0 1 0 8 0
tcpcb 736 122 0 118 4 2 2 3 0 8 1
inpcb 304 289 0 281 2 0 2 2 0 8 1
nd6 48 9 0 6 1 0 1 1 0 8 0
kcovpl 48 3 0 1 1 0 1 1 0 8 0
ppxss 1128 3 0 3 1 0 1 1 0 8 1
pfstscr 40 2 0 0 1 0 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
pfstitem 24 16 0 12 1 0 1 1 0 8 0
pfstkey 112 18 0 12 1 0 1 1 0 8 0
pfstate 320 17 0 12 2 0 2 2 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 237 0 88 12 0 12 12 0 8 2
art_table 32 238 0 88 2 0 2 2 0 8 0
art_node 16 55 0 21 1 0 1 1 0 8 0
sysvmsgpl 40 57 0 38 1 0 1 1 0 8 0
semupl 112 7 0 7 1 1 0 1 0 8 0
semapl 112 38 0 28 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2260 0 857 89 1 88 89 0 8 0
ffsino 272 2260 0 857 94 0 94 94 0 8 0
nchpl 144 3275 0 1675 60 0 60 60 0 8 0
uvmvnodes 72 2517 0 0 46 0 46 46 0 8 0
vnodes 224 2517 0 0 149 0 149 149 0 8 0
namei 1024 8440 0 8439 1 0 1 1 0 8 0
percpumem 16 37 0 4 1 0 1 1 0 8 0
vcpupl 1984 14 0 0 2 0 2 2 0 8 0
vmpool 560 14 0 0 1 0 1 1 0 8 0
scxspl 216 10770 0 10770 12 11 1 8 0 8 1
plimitpl 152 16 0 8 1 0 1 1 0 8 0
sigapl 424 896 0 863 4 0 4 4 0 8 0
futexpl 56 4668 0 4668 1 0 1 1 0 8 1
knotepl 112 116 0 96 1 0 1 1 0 8 0
kqueuepl 168 245 0 241 1 0 1 1 0 8 0
pipepl 336 100 0 89 3 2 1 2 0 8 0
fdescpl 496 879 0 863 4 1 3 3 0 8 0
filepl 152 3226 0 3119 5 0 5 5 0 8 0
lockfpl 104 92 0 91 1 0 1 1 0 8 0
lockfspl 48 41 0 40 1 0 1 1 0 8 0
sessionpl 144 19 0 8 1 0 1 1 0 8 0
pgrppl 48 19 0 8 1 0 1 1 0 8 0
ucredpl 96 541 0 532 1 0 1 1 0 8 0
zombiepl 144 863 0 863 1 0 1 1 0 8 1
processpl 1080 896 0 863 3 0 3 3 0 8 0
procpl 672 1667 0 1626 4 0 4 4 0 8 0
sosppl 168 5 0 5 1 0 1 1 0 8 1
sockpl 432 392 0 372 3 0 3 3 0 8 0
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 150 0 0 13 0 13 13 0 8 0
mtagpl 96 30 0 0 1 0 1 1 0 8 0
mbufpl 256 291 0 0 15 0 15 15 0 8 0
bufpl 280 5348 0 181 370 0 370 370 0 8 0
anonpl 24 71018 0 67037 27 1 26 26 0 186 0
amapchunkpl 152 3406 0 3260 9 3 6 8 0 158 0
amappl16 200 2366 0 2239 8 1 7 8 0 8 0
amappl15 192 324 0 322 2 1 1 1 0 8 0
amappl14 184 31 0 27 1 0 1 1 0 8 0
amappl13 176 31 0 30 1 0 1 1 0 8 0
amappl12 168 3 0 1 1 0 1 1 0 8 0
amappl11 160 383 0 365 1 0 1 1 0 8 0
amappl10 152 17 0 13 1 0 1 1 0 8 0
amappl9 144 19 0 18 1 0 1 1 0 8 0
amappl8 136 133 0 101 2 0 2 2 0 8 0
amappl7 128 257 0 249 1 0 1 1 0 8 0
amappl6 120 71 0 61 1 0 1 1 0 8 0
amappl5 112 1564 0 1545 1 0 1 1 0 8 0
amappl4 104 602 0 578 1 0 1 1 0 8 0
amappl3 96 133 0 125 1 0 1 1 0 8 0
amappl2 88 6091 0 6009 4 1 3 3 0 8 1
amappl1 80 33877 0 33399 26 14 12 21 0 8 0
amappl 88 1968 0 1894 2 0 2 2 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 64 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 893 0 863 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 893 0 863 1 0 1 1 0 8 0
vmmpekpl 168 8335 0 8306 2 0 2 2 0 8 0
vmmpepl 168 115212 0 113843 87 21 66 76 0 357 1
vmsppl 368 892 0 863 3 0 3 3 0 8 0
rwobjpl 56 26014 0 25172 24 11 13 19 0 8 0
pdppl 4096 1793 0 1740 71 16 55 55 0 8 2
pvpl 32 338069 0 331032 134 68 66 117 0 265 4
pmappl 232 892 0 863 3 1 2 2 0 8 0
extentpl 40 58 0 40 1 0 1 1 0 8 0
phpool 112 316 0 24 9 0 9 9 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pf_state_insert(ffff800000b5c400,ffff8000242d4fe8,ffff8000242d4ff0,fffffd80672bfc88) at pf_state_insert+0xa0 sys/net/pf.c:951
pfsync_state_import(ffff800000b40000,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000b40000,3,ffff800021288a80) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f729e20,c1084425,ffff800000b40000,3,fffffd807f7b7a80,ffff800021288a80) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd806af2cc98,c1084425,ffff800000b40000,ffff800021288a80) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021288a80,ffff8000242d5498,ffff8000242d54e0) at sys_ioctl+0x4b0
syscall(ffff8000242d5560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000242d5560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x18406dc7f50, count: -11
ddb{0}> machine ddbcpu 1
---
This report is generated by a bot. It may contain errors.
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syzbot found the following issue on:
HEAD commit: 0049eb19 rc: ensure that vfs.mounts.nfs check works withou..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12319224d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=d6ea8620b43dc69ecbc6
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+d6ea86...@syzkaller.appspotmail.com
panic: rw_enter: pf_state_lock locking against myself
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
330691 17810 0 0 0 1 syz-executor.0
*191858 17810 0 0 0x4000000 0 syz-executor.0
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pf_state_insert(ffff800000b5c400,ffff8000242d4fe8,ffff8000242d4ff0,fffffd80672bfc88) at pf_state_insert+0xa0 sys/net/pf.c:951
pfsync_state_import(ffff800000b40000,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000b40000,3,ffff800021288a80) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f729e20,c1084425,ffff800000b40000,3,fffffd807f7b7a80,ffff800021288a80) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd806af2cc98,c1084425,ffff800000b40000,ffff800021288a80) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021288a80,ffff8000242d5498,ffff8000242d54e0) at sys_ioctl+0x4b0
syscall(ffff8000242d5560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000242d5560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x18406dc7f50, count: 4
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
rw_enter: pf_state_lock locking against myself
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pf_state_insert(ffff800000b5c400,ffff8000242d4fe8,ffff8000242d4ff0,fffffd80672bfc88) at pf_state_insert+0xa0 sys/net/pf.c:951
pfsync_state_import(ffff800000b40000,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000b40000,3,ffff800021288a80) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f729e20,c1084425,ffff800000b40000,3,fffffd807f7b7a80,ffff800021288a80) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd806af2cc98,c1084425,ffff800000b40000,ffff800021288a80) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021288a80,ffff8000242d5498,ffff8000242d54e0) at sys_ioctl+0x4b0
syscall(ffff8000242d5560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000242d5560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x18406dc7f50, count: -11
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000242d4df0
rbx 0xffff8000242d4e00
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff82038635 kprintf+0x145
r9 0x1
r10 0xa72080d7709f43cc
r11 0xaa7d7508097d61c5
r12 0x3000000008
r13 0xffff8000242d4ea0
r14 0x100
r15 0x1
rip 0xffffffff81c04668 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000242d4de0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.0) pid=191858 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=75, nice=20
forw=0xffffffffffffffff, list=0xffff8000212887e0,0xffffffff828cbd48
process=0xffff800021234cb8 user=0xffff8000242d0000, vmspace=0xfffffd80673fdb90
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
17810 330691 45537 0 7 0 syz-executor.0
*17810 191858 45537 0 7 0x4000000 syz-executor.0
66381 385135 0 0 3 0x14200 bored sosplice
61065 297984 90466 0 2 0x2 syz-executor.1
45537 344262 90466 0 3 0x82 nanoslp syz-executor.0
90466 82544 1814 0 3 0x82 thrsleep syz-fuzzer
90466 245330 1814 0 2 0x4000482 syz-fuzzer
90466 522364 1814 0 3 0x4000082 thrsleep syz-fuzzer
90466 175875 1814 0 2 0x4000082 syz-fuzzer
90466 477579 1814 0 3 0x4000082 thrsleep syz-fuzzer
90466 438832 1814 0 3 0x4000082 thrsleep syz-fuzzer
90466 480513 1814 0 3 0x4000082 thrsleep syz-fuzzer
90466 428424 1814 0 3 0x4000082 thrsleep syz-fuzzer
1814 132075 28268 0 3 0x10008a sigsusp ksh
28268 36217 6045 0 3 0x92 select sshd
12052 437199 1 0 3 0x100083 ttyin getty
6045 480026 1 0 3 0x80 select sshd
37678 78024 96630 74 3 0x100092 bpf pflogd
96630 176083 1 0 3 0x80 netio pflogd
68829 427956 13119 73 3 0x100090 kqread syslogd
13119 140049 1 0 3 0x100082 netio syslogd
4587 22169 1 77 3 0x100090 poll dhclient
73756 439175 1 0 3 0x80 poll dhclient
1431 312100 0 0 3 0x14200 bored smr
59297 55646 0 0 3 0x14200 pgzero zerothread
59004 417055 0 0 3 0x14200 aiodoned aiodoned
63402 218290 0 0 3 0x14200 syncer update
58692 450535 0 0 3 0x14200 cleaner cleaner
80373 492751 0 0 3 0x14200 reaper reaper
32930 244962 0 0 3 0x14200 pgdaemon pagedaemon
78993 267033 0 0 3 0x14200 bored crynlk
32298 432981 0 0 3 0x14200 bored crypto
17573 356081 0 0 3 0x14200 bored viomb
64219 420810 0 0 3 0x40014200 acpi0 acpi0
75018 500514 0 0 3 0x40014200 idle1
28144 260422 0 0 3 0x14200 bored softnet
34203 302821 0 0 3 0x14200 bored systqmp
86024 46949 0 0 3 0x14200 bored systq
92886 370368 0 0 3 0x40014200 bored softclock
22858 118739 0 0 3 0x40014200 idle0
1 91727 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 17810 (syz-executor.0) thread 0xffff800021288a80 (191858)
exclusive rwlock pf_state_lock r = 0 (0xffffffff826db7f0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pfioctl+0x509f sys/net/pf_ioctl.c:1729
#2 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
#3 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#4 sys_ioctl+0x4b0
#5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#6 Xsyscall+0x128
exclusive rwlock pf_lock r = 0 (0xffffffff826db7c0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pfioctl+0x5093 sys/net/pf_ioctl.c:1728
#2 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
#3 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#4 sys_ioctl+0x4b0
#5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#6 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff82721440)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 pfioctl+0x2de3 sys/net/pf_ioctl.c:1727
#2 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
#3 vn_ioctl+0xba sys/kern/vfs_vnops.c:531
#4 sys_ioctl+0x4b0
#5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#6 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828cbf70)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 vn_ioctl+0x40 sys/kern/vfs_vnops.c:514
#2 sys_ioctl+0x4b0
#3 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#3 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#4 Xsyscall+0x128
Process 61065 (syz-executor.1) thread 0xffff800021289500 (297984)
exclusive rrwlock inode r = 0 (0xfffffd806d981e78)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 rw_enter+0x416 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x88 sys/kern/kern_rwlock.c:461
#3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140
#4 ffs_vget+0x135 sys/ufs/ffs/ffs_vfsops.c:1350
#5 ffs_inode_alloc+0x1e1 sys/ufs/ffs/ffs_alloc.c:394
#6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:459
#8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3064
#9 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#9 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#10 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806b26c1a8)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182
#1 rw_enter+0x416 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x88 sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:614
#4 vn_lock+0x6c sys/kern/vfs_vnops.c:575
#5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419
#6 namei+0x5f7 sys/kern/vfs_lookup.c:249
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3049
#8 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9504 6676K 7324K 78643K 11289 0
pcb 13 8K 8K 78643K 82 0
rtable 91 2K 3K 78643K 277 0
ifaddr 43 10K 11K 78643K 67 0
counters 44 34K 34K 78643K 52 0
ioctlops 1 0K 4K 78643K 1485 0
iov 0 0K 16K 78643K 47 0
mount 1 1K 1K 78643K 1 0
vnodes 1221 77K 77K 78643K 1517 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 1K 1K 78643K 2 0
sem 12 1K 1K 78643K 48 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 5 13K 25K 78643K 681 0
proc 61 63K 95K 78643K 563 0
subproc 32 2K 2K 78643K 51 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 2 0K 0K 78643K 38 0
in_multi 23 1K 2K 78643K 75 0
ether_multi 1 0K 0K 78643K 16 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 43 201K 201K 78643K 43 0
exec 0 0K 2K 78643K 395 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 143 234K 234K 78643K 2263 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 34 0
NDP 6 0K 0K 78643K 16 0
temp 105 3973K 4037K 78643K 3847 0
kqueue 3 4K 6K 78643K 38 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
arp 64 8 0 2 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 120 21 0 19 1 0 1 1 0 8 0
rtentry 112 56 0 19 2 0 2 2 0 8 0
unpcb 120 82 0 72 1 0 1 1 0 8 0
syncache 296 4 0 4 1 1 0 1 0 8 0
tcpqe 32 14 0 14 2 2 0 1 0 8 0
tcpcb 736 122 0 118 4 2 2 3 0 8 1
inpcb 304 289 0 281 2 0 2 2 0 8 1
nd6 48 9 0 6 1 0 1 1 0 8 0
kcovpl 48 3 0 1 1 0 1 1 0 8 0
ppxss 1128 3 0 3 1 0 1 1 0 8 1
pfstscr 40 2 0 0 1 0 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
pfstitem 24 16 0 12 1 0 1 1 0 8 0
pfstkey 112 18 0 12 1 0 1 1 0 8 0
pfstate 320 17 0 12 2 0 2 2 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 237 0 88 12 0 12 12 0 8 2
art_table 32 238 0 88 2 0 2 2 0 8 0
art_node 16 55 0 21 1 0 1 1 0 8 0
sysvmsgpl 40 57 0 38 1 0 1 1 0 8 0
semupl 112 7 0 7 1 1 0 1 0 8 0
semapl 112 38 0 28 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2260 0 857 89 1 88 89 0 8 0
ffsino 272 2260 0 857 94 0 94 94 0 8 0
nchpl 144 3275 0 1675 60 0 60 60 0 8 0
uvmvnodes 72 2517 0 0 46 0 46 46 0 8 0
vnodes 224 2517 0 0 149 0 149 149 0 8 0
namei 1024 8440 0 8439 1 0 1 1 0 8 0
percpumem 16 37 0 4 1 0 1 1 0 8 0
vcpupl 1984 14 0 0 2 0 2 2 0 8 0
vmpool 560 14 0 0 1 0 1 1 0 8 0
scxspl 216 10770 0 10770 12 11 1 8 0 8 1
plimitpl 152 16 0 8 1 0 1 1 0 8 0
sigapl 424 896 0 863 4 0 4 4 0 8 0
futexpl 56 4668 0 4668 1 0 1 1 0 8 1
knotepl 112 116 0 96 1 0 1 1 0 8 0
kqueuepl 168 245 0 241 1 0 1 1 0 8 0
pipepl 336 100 0 89 3 2 1 2 0 8 0
fdescpl 496 879 0 863 4 1 3 3 0 8 0
filepl 152 3226 0 3119 5 0 5 5 0 8 0
lockfpl 104 92 0 91 1 0 1 1 0 8 0
lockfspl 48 41 0 40 1 0 1 1 0 8 0
sessionpl 144 19 0 8 1 0 1 1 0 8 0
pgrppl 48 19 0 8 1 0 1 1 0 8 0
ucredpl 96 541 0 532 1 0 1 1 0 8 0
zombiepl 144 863 0 863 1 0 1 1 0 8 1
processpl 1080 896 0 863 3 0 3 3 0 8 0
procpl 672 1667 0 1626 4 0 4 4 0 8 0
sosppl 168 5 0 5 1 0 1 1 0 8 1
sockpl 432 392 0 372 3 0 3 3 0 8 0
mcl64k 65536 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 150 0 0 13 0 13 13 0 8 0
mtagpl 96 30 0 0 1 0 1 1 0 8 0
mbufpl 256 291 0 0 15 0 15 15 0 8 0
bufpl 280 5348 0 181 370 0 370 370 0 8 0
anonpl 24 71018 0 67037 27 1 26 26 0 186 0
amapchunkpl 152 3406 0 3260 9 3 6 8 0 158 0
amappl16 200 2366 0 2239 8 1 7 8 0 8 0
amappl15 192 324 0 322 2 1 1 1 0 8 0
amappl14 184 31 0 27 1 0 1 1 0 8 0
amappl13 176 31 0 30 1 0 1 1 0 8 0
amappl12 168 3 0 1 1 0 1 1 0 8 0
amappl11 160 383 0 365 1 0 1 1 0 8 0
amappl10 152 17 0 13 1 0 1 1 0 8 0
amappl9 144 19 0 18 1 0 1 1 0 8 0
amappl8 136 133 0 101 2 0 2 2 0 8 0
amappl7 128 257 0 249 1 0 1 1 0 8 0
amappl6 120 71 0 61 1 0 1 1 0 8 0
amappl5 112 1564 0 1545 1 0 1 1 0 8 0
amappl4 104 602 0 578 1 0 1 1 0 8 0
amappl3 96 133 0 125 1 0 1 1 0 8 0
amappl2 88 6091 0 6009 4 1 3 3 0 8 1
amappl1 80 33877 0 33399 26 14 12 21 0 8 0
amappl 88 1968 0 1894 2 0 2 2 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 64 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 893 0 863 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 893 0 863 1 0 1 1 0 8 0
vmmpekpl 168 8335 0 8306 2 0 2 2 0 8 0
vmmpepl 168 115212 0 113843 87 21 66 76 0 357 1
vmsppl 368 892 0 863 3 0 3 3 0 8 0
rwobjpl 56 26014 0 25172 24 11 13 19 0 8 0
pdppl 4096 1793 0 1740 71 16 55 55 0 8 2
pvpl 32 338069 0 331032 134 68 66 117 0 265 4
pmappl 232 892 0 863 3 1 2 2 0 8 0
extentpl 40 58 0 40 1 0 1 1 0 8 0
phpool 112 316 0 24 9 0 9 9 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pf_state_insert(ffff800000b5c400,ffff8000242d4fe8,ffff8000242d4ff0,fffffd80672bfc88) at pf_state_insert+0xa0 sys/net/pf.c:951
pfsync_state_import(ffff800000b40000,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000b40000,3,ffff800021288a80) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f729e20,c1084425,ffff800000b40000,3,fffffd807f7b7a80,ffff800021288a80) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd806af2cc98,c1084425,ffff800000b40000,ffff800021288a80) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff800021288a80,ffff8000242d5498,ffff8000242d54e0) at sys_ioctl+0x4b0
syscall(ffff8000242d5560) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000242d5560) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x18406dc7f50, count: -11
ddb{0}> machine ddbcpu 1
---
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
Feb 9, 2021, 6:32:18 PM2/9/21
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 0049eb19 rc: ensure that vfs.mounts.nfs check works withou..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=15778602d00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11675c24d00000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d6ea86...@syzkaller.appspotmail.com
panic: rw_enter: pf_state_lock locking against myself
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*279647 16600 0 0x2 0 0K syz-executor3072
432111 92255 0 0x12 0 1 sshd
pfsync_state_import(ffff800000af7800,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000af7800,3,ffff8000ffff62b0) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f734e20,c1084425,ffff800000af7800,3,fffffd807f7b7b40,ffff8000ffff62b0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd80769f1850,c1084425,ffff800000af7800,ffff8000ffff62b0) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000ffff62b0,ffff800021255bd8,ffff800021255c20) at sys_ioctl+0x4b0
syscall(ffff800021255ca0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021255ca0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
pfsync_state_import(ffff800000af7800,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000af7800,3,ffff8000ffff62b0) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f734e20,c1084425,ffff800000af7800,3,fffffd807f7b7b40,ffff8000ffff62b0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd80769f1850,c1084425,ffff800000af7800,ffff8000ffff62b0) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000ffff62b0,ffff800021255bd8,ffff800021255c20) at sys_ioctl+0x4b0
syscall(ffff800021255ca0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021255ca0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
rbx 0xffff800021255540
r11 0x22dbb03e63656df8
r12 0x3000000008
r13 0xffff8000212555e0
flags process=2<EXEC,8ORPHAN> proc=0
pri=54, usrpri=55, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff6010,0xffffffff828cbd48
process=0xffff8000212376e8 user=0xffff800021250000, vmspace=0xfffffd806e948a18
estcpu=5, cpticks=1, pctcpu=0.0
62086 100385 92255 0 3 0x10008a sigsusp ksh
92255 432111 64400 0 7 0x12 sshd
90647 150394 1 0 3 0x100083 ttyin getty
64400 299062 1 0 3 0x80 select sshd
92828 247135 71520 74 3 0x100092 bpf pflogd
71520 452185 1 0 3 0x80 netio pflogd
41095 79346 95277 73 3 0x100090 kqread syslogd
95277 172774 1 0 3 0x100082 netio syslogd
44780 343037 1 77 3 0x100090 poll dhclient
86168 41528 1 0 3 0x80 poll dhclient
28066 337397 0 0 3 0x14200 bored smr
4255 140581 0 0 3 0x14200 pgzero zerothread
48692 307575 0 0 3 0x14200 aiodoned aiodoned
15961 70396 0 0 3 0x14200 syncer update
27004 275755 0 0 3 0x14200 cleaner cleaner
80014 489626 0 0 3 0x14200 reaper reaper
4454 331981 0 0 3 0x14200 pgdaemon pagedaemon
14703 345811 0 0 3 0x14200 bored crynlk
77957 349499 0 0 3 0x14200 bored crypto
16268 514885 0 0 3 0x14200 bored viomb
89871 482410 0 0 3 0x40014200 acpi0 acpi0
19546 72474 0 0 3 0x40014200 idle1
40301 254176 0 0 3 0x14200 bored softnet
33966 270639 0 0 3 0x14200 bored systqmp
41366 199400 0 0 3 0x14200 bored systq
51783 218734 0 0 3 0x40014200 bored softclock
1502 354202 0 0 3 0x40014200 idle0
1 388830 0 0 3 0x82 wait init
pcb 13 8K 8K 78643K 13 0
rtable 61 2K 2K 78643K 127 0
ifaddr 30 8K 8K 78643K 31 0
counters 40 33K 33K 78643K 40 0
ioctlops 1 0K 4K 78643K 1468 0
proc 59 63K 71K 78643K 367 0
ether_multi 1 0K 0K 78643K 1 0
exec 0 0K 2K 78643K 302 0
temp 23 3961K 4025K 78643K 1687 0
kqueue 2 2K 2K 78643K 2 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 120 29 0 19 1 0 1 1 0 8 0
syncache 296 5 0 5 1 0 1 1 0 8 1
tcpcb 736 8 0 5 1 0 1 1 0 8 0
inpcb 304 29 0 23 1 0 1 1 0 8 0
pfstkey 112 11 0 0 1 0 1 1 0 8 0
pfstate 320 10 0 0 1 0 1 1 0 8 0
art_table 32 98 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
ffsino 272 1398 0 16 93 0 93 93 0 8 0
nchpl 144 1572 0 33 58 0 58 58 0 8 0
uvmvnodes 72 1408 0 0 26 0 26 26 0 8 0
vnodes 224 1408 0 0 83 0 83 83 0 8 0
namei 1024 3781 0 3781 1 0 1 1 0 8 1
percpumem 16 31 0 0 1 0 1 1 0 8 0
scxspl 216 3391 0 3391 2 1 1 2 0 8 1
plimitpl 152 14 0 8 1 0 1 1 0 8 0
sigapl 424 221 0 192 4 0 4 4 0 8 0
knotepl 112 5 0 0 1 0 1 1 0 8 0
kqueuepl 168 1 0 0 1 0 1 1 0 8 0
pipepl 336 64 0 60 1 0 1 1 0 8 0
fdescpl 496 205 0 192 3 0 3 3 0 8 0
filepl 152 958 0 909 2 0 2 2 0 8 0
lockfpl 104 5 0 4 1 0 1 1 0 8 0
lockfspl 48 3 0 2 1 0 1 1 0 8 0
sessionpl 144 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 62 0 53 1 0 1 1 0 8 0
zombiepl 144 192 0 192 1 0 1 1 0 8 1
processpl 1080 221 0 192 3 0 3 3 0 8 0
procpl 672 221 0 192 3 0 3 3 0 8 0
sockpl 432 73 0 55 3 0 3 3 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 90 0 0 6 0 6 6 0 8 0
bufpl 280 1994 0 112 135 0 135 135 0 8 0
anonpl 24 20112 0 18876 10 1 9 10 0 186 1
amapchunkpl 152 527 0 490 3 1 2 3 0 158 0
amappl16 200 77 0 72 1 0 1 1 0 8 0
amappl15 192 1 0 0 1 0 1 1 0 8 0
amappl14 184 22 0 19 1 0 1 1 0 8 0
amappl13 176 14 0 13 1 0 1 1 0 8 0
amappl12 168 9 0 9 1 0 1 1 0 8 1
amappl11 160 53 0 38 1 0 1 1 0 8 0
amappl10 152 12 0 10 1 0 1 1 0 8 0
amappl9 144 230 0 230 2 1 1 1 0 8 1
amappl8 136 60 0 59 1 0 1 1 0 8 0
amappl7 128 211 0 210 1 0 1 1 0 8 0
amappl6 120 56 0 49 1 0 1 1 0 8 0
amappl5 112 353 0 335 1 0 1 1 0 8 0
amappl4 104 273 0 251 1 0 1 1 0 8 0
amappl3 96 107 0 99 1 0 1 1 0 8 0
amappl2 88 819 0 768 2 0 2 2 0 8 0
amappl1 80 14582 0 14153 17 6 11 17 0 8 0
amappl 88 403 0 383 1 0 1 1 0 92 0
vmmpekpl 168 5591 0 5575 1 0 1 1 0 8 0
vmmpepl 168 30005 0 29176 48 7 41 48 0 357 2
vmsppl 368 204 0 192 2 0 2 2 0 8 0
rwobjpl 56 7746 0 7191 13 4 9 13 0 8 1
pdppl 4096 417 0 384 45 12 33 39 0 8 0
pvpl 32 81237 0 78242 28 0 28 28 0 265 3
pmappl 232 204 0 192 1 0 1 1 0 8 0
pfsync_state_import(ffff800000af7800,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000af7800,3,ffff8000ffff62b0) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f734e20,c1084425,ffff800000af7800,3,fffffd807f7b7b40,ffff8000ffff62b0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd80769f1850,c1084425,ffff800000af7800,ffff8000ffff62b0) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000ffff62b0,ffff800021255bd8,ffff800021255c20) at sys_ioctl+0x4b0
syscall(ffff800021255ca0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021255ca0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
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(ffffffff828cbd68) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff828cbd68) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff80002120cc50) at syscall+0x3fd mi_syscall sys/sys/syscall_mi.h:93 [inline]
syscall(ffff80002120cc50) at syscall+0x3fd sys/arch/amd64/amd64/trap.c:590
ddb{1}> trace
x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
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(ffffffff828cbd68) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff828cbd68) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff80002120cc50) at syscall+0x3fd mi_syscall sys/sys/syscall_mi.h:93 [inline]
syscall(ffff80002120cc50) at syscall+0x3fd sys/arch/amd64/amd64/trap.c:590
ddb{1}>
HEAD commit: 0049eb19 rc: ensure that vfs.mounts.nfs check works withou..
git tree: openbsd
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=d6ea8620b43dc69ecbc6
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15552224d00000
dashboard link: https://syzkaller.appspot.com/bug?extid=d6ea8620b43dc69ecbc6
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11675c24d00000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d6ea86...@syzkaller.appspotmail.com
panic: rw_enter: pf_state_lock locking against myself
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
432111 92255 0 0x12 0 1 sshd
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pf_state_insert(ffff800000adb900,ffff800021255728,ffff800021255730,fffffd806dd4d500) at pf_state_insert+0xa0 sys/net/pf.c:951
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pfsync_state_import(ffff800000af7800,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000af7800,3,ffff8000ffff62b0) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f734e20,c1084425,ffff800000af7800,3,fffffd807f7b7b40,ffff8000ffff62b0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd80769f1850,c1084425,ffff800000af7800,ffff8000ffff62b0) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000ffff62b0,ffff800021255bd8,ffff800021255c20) at sys_ioctl+0x4b0
syscall(ffff800021255ca0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021255ca0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff0fe0, count: 4
end of kernel
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
rw_enter: pf_state_lock locking against myself
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pf_state_insert(ffff800000adb900,ffff800021255728,ffff800021255730,fffffd806dd4d500) at pf_state_insert+0xa0 sys/net/pf.c:951
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
rw_enter: pf_state_lock locking against myself
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pfsync_state_import(ffff800000af7800,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000af7800,3,ffff8000ffff62b0) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f734e20,c1084425,ffff800000af7800,3,fffffd807f7b7b40,ffff8000ffff62b0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd80769f1850,c1084425,ffff800000af7800,ffff8000ffff62b0) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000ffff62b0,ffff800021255bd8,ffff800021255c20) at sys_ioctl+0x4b0
syscall(ffff800021255ca0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021255ca0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff0fe0, count: -11
end of kernel
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800021255530
rdi 0
rsi 0x1
rbx 0xffff800021255540
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff82038635 kprintf+0x145
r9 0x1
r10 0x3a6f08322340f3e1
rcx 0x2
rax 0x1
r8 0xffffffff82038635 kprintf+0x145
r9 0x1
r11 0x22dbb03e63656df8
r12 0x3000000008
r13 0xffff8000212555e0
r14 0x100
r15 0x1
rip 0xffffffff81c04668 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800021255520
r15 0x1
rip 0xffffffff81c04668 db_enter+0x18
cs 0x8
rflags 0x246
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor3072) pid=279647 stat=onproc
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
flags process=2<EXEC,8ORPHAN> proc=0
pri=54, usrpri=55, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff6010,0xffffffff828cbd48
process=0xffff8000212376e8 user=0xffff800021250000, vmspace=0xfffffd806e948a18
estcpu=5, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*16600 279647 62086 0 7 0x2 syz-executor3072
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
62086 100385 92255 0 3 0x10008a sigsusp ksh
92255 432111 64400 0 7 0x12 sshd
90647 150394 1 0 3 0x100083 ttyin getty
64400 299062 1 0 3 0x80 select sshd
92828 247135 71520 74 3 0x100092 bpf pflogd
71520 452185 1 0 3 0x80 netio pflogd
41095 79346 95277 73 3 0x100090 kqread syslogd
95277 172774 1 0 3 0x100082 netio syslogd
44780 343037 1 77 3 0x100090 poll dhclient
86168 41528 1 0 3 0x80 poll dhclient
28066 337397 0 0 3 0x14200 bored smr
4255 140581 0 0 3 0x14200 pgzero zerothread
48692 307575 0 0 3 0x14200 aiodoned aiodoned
15961 70396 0 0 3 0x14200 syncer update
27004 275755 0 0 3 0x14200 cleaner cleaner
80014 489626 0 0 3 0x14200 reaper reaper
4454 331981 0 0 3 0x14200 pgdaemon pagedaemon
14703 345811 0 0 3 0x14200 bored crynlk
77957 349499 0 0 3 0x14200 bored crypto
16268 514885 0 0 3 0x14200 bored viomb
89871 482410 0 0 3 0x40014200 acpi0 acpi0
19546 72474 0 0 3 0x40014200 idle1
40301 254176 0 0 3 0x14200 bored softnet
33966 270639 0 0 3 0x14200 bored systqmp
41366 199400 0 0 3 0x14200 bored systq
51783 218734 0 0 3 0x40014200 bored softclock
1502 354202 0 0 3 0x40014200 idle0
1 388830 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 16600 (syz-executor3072) thread 0xffff8000ffff62b0 (279647)
ddb{0}> show all locks
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9475 6411K 6412K 78643K 10565 0
Type InUse MemUse HighUse Limit Requests Type Lim
pcb 13 8K 8K 78643K 13 0
rtable 61 2K 2K 78643K 127 0
ifaddr 30 8K 8K 78643K 31 0
counters 40 33K 33K 78643K 40 0
ioctlops 1 0K 4K 78643K 1468 0
mount 1 1K 1K 78643K 1 0
vnodes 1183 74K 75K 78643K 1188 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 1K 1K 78643K 2 0
sem 2 0K 0K 78643K 2 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 1K 1K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 1 0K 0K 78643K 1 0
ACPI 1697 195K 286K 78643K 12598 0
proc 59 63K 71K 78643K 367 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 0
NFS daemon 1 16K 16K 78643K 1 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 19 95K 95K 78643K 19 0
MSDOSFS mount 1 16K 16K 78643K 1 0
exec 0 0K 2K 78643K 302 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 35 2K 2K 78643K 592 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 4 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
temp 23 3961K 4025K 78643K 1687 0
kqueue 2 2K 2K 78643K 2 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
arp 64 2 0 0 1 0 1 1 0 8 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 120 15 0 13 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 120 29 0 19 1 0 1 1 0 8 0
syncache 296 5 0 5 1 0 1 1 0 8 1
tcpcb 736 8 0 5 1 0 1 1 0 8 0
inpcb 304 29 0 23 1 0 1 1 0 8 0
pfstscr 40 2 0 0 1 0 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
pfstitem 24 9 0 0 1 0 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
pfstkey 112 11 0 0 1 0 1 1 0 8 0
pfstate 320 10 0 0 1 0 1 1 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 97 0 0 7 0 7 7 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_table 32 98 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1398 0 16 87 0 87 87 0 8 0
ffsino 272 1398 0 16 93 0 93 93 0 8 0
nchpl 144 1572 0 33 58 0 58 58 0 8 0
uvmvnodes 72 1408 0 0 26 0 26 26 0 8 0
vnodes 224 1408 0 0 83 0 83 83 0 8 0
namei 1024 3781 0 3781 1 0 1 1 0 8 1
percpumem 16 31 0 0 1 0 1 1 0 8 0
scxspl 216 3391 0 3391 2 1 1 2 0 8 1
plimitpl 152 14 0 8 1 0 1 1 0 8 0
sigapl 424 221 0 192 4 0 4 4 0 8 0
knotepl 112 5 0 0 1 0 1 1 0 8 0
kqueuepl 168 1 0 0 1 0 1 1 0 8 0
pipepl 336 64 0 60 1 0 1 1 0 8 0
fdescpl 496 205 0 192 3 0 3 3 0 8 0
filepl 152 958 0 909 2 0 2 2 0 8 0
lockfpl 104 5 0 4 1 0 1 1 0 8 0
lockfspl 48 3 0 2 1 0 1 1 0 8 0
sessionpl 144 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 62 0 53 1 0 1 1 0 8 0
zombiepl 144 192 0 192 1 0 1 1 0 8 1
processpl 1080 221 0 192 3 0 3 3 0 8 0
procpl 672 221 0 192 3 0 3 3 0 8 0
sockpl 432 73 0 55 3 0 3 3 0 8 0
mcl4k 4096 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 72 0 0 9 0 9 9 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 90 0 0 6 0 6 6 0 8 0
bufpl 280 1994 0 112 135 0 135 135 0 8 0
anonpl 24 20112 0 18876 10 1 9 10 0 186 1
amapchunkpl 152 527 0 490 3 1 2 3 0 158 0
amappl16 200 77 0 72 1 0 1 1 0 8 0
amappl15 192 1 0 0 1 0 1 1 0 8 0
amappl14 184 22 0 19 1 0 1 1 0 8 0
amappl13 176 14 0 13 1 0 1 1 0 8 0
amappl12 168 9 0 9 1 0 1 1 0 8 1
amappl11 160 53 0 38 1 0 1 1 0 8 0
amappl10 152 12 0 10 1 0 1 1 0 8 0
amappl9 144 230 0 230 2 1 1 1 0 8 1
amappl8 136 60 0 59 1 0 1 1 0 8 0
amappl7 128 211 0 210 1 0 1 1 0 8 0
amappl6 120 56 0 49 1 0 1 1 0 8 0
amappl5 112 353 0 335 1 0 1 1 0 8 0
amappl4 104 273 0 251 1 0 1 1 0 8 0
amappl3 96 107 0 99 1 0 1 1 0 8 0
amappl2 88 819 0 768 2 0 2 2 0 8 0
amappl1 80 14582 0 14153 17 6 11 17 0 8 0
amappl 88 403 0 383 1 0 1 1 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 64 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 205 0 192 1 0 1 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 64 2 0 0 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 205 0 192 1 0 1 1 0 8 0
vmmpekpl 168 5591 0 5575 1 0 1 1 0 8 0
vmmpepl 168 30005 0 29176 48 7 41 48 0 357 2
vmsppl 368 204 0 192 2 0 2 2 0 8 0
rwobjpl 56 7746 0 7191 13 4 9 13 0 8 1
pdppl 4096 417 0 384 45 12 33 39 0 8 0
pvpl 32 81237 0 78242 28 0 28 28 0 265 3
pmappl 232 204 0 192 1 0 1 1 0 8 0
extentpl 40 58 0 40 1 0 1 1 0 8 0
phpool 112 262 0 15 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pf_state_insert(ffff800000adb900,ffff800021255728,ffff800021255730,fffffd806dd4d500) at pf_state_insert+0xa0 sys/net/pf.c:951
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274
pfsync_state_import(ffff800000af7800,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699
pfioctl(4900,c1084425,ffff800000af7800,3,ffff8000ffff62b0) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729
VOP_IOCTL(fffffd806f734e20,c1084425,ffff800000af7800,3,fffffd807f7b7b40,ffff8000ffff62b0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297
vn_ioctl(fffffd80769f1850,c1084425,ffff800000af7800,ffff8000ffff62b0) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000ffff62b0,ffff800021255bd8,ffff800021255c20) at sys_ioctl+0x4b0
syscall(ffff800021255ca0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800021255ca0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff0fe0, count: -11
end of kernel
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
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(ffffffff828cbd68) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff828cbd68) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff80002120cc50) at syscall+0x3fd mi_syscall sys/sys/syscall_mi.h:93 [inline]
syscall(ffff80002120cc50) at syscall+0x3fd sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffeab70, count: 9
end of kernel
ddb{1}> trace
x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
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(ffffffff828cbd68) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff828cbd68) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff80002120cc50) at syscall+0x3fd mi_syscall sys/sys/syscall_mi.h:93 [inline]
syscall(ffff80002120cc50) at syscall+0x3fd sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffeab70, count: -6
end of kernel
ddb{1}>
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