KASAN: invalid memory access in pf_remove_if_empty_ruleset
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syzbot
Aug 11, 2026, 10:56:34 PM (6 days ago) Aug 11
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 513d7cacacc3 Merge remote-tracking branch 'origin/master' ..
git tree: https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan
console output: https://syzkaller.appspot.com/x/log.txt?x=1535b132580000
kernel config: https://syzkaller.appspot.com/x/.config?x=85e25e37d09e1b88
dashboard link: https://syzkaller.appspot.com/bug?extid=ac508ec1043a1de78c91
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/eb488c5a0bea/disk-513d7cac.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/d16ccf04a461/bsd-513d7cac.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/105ffbe52fd0/kernel-513d7cac.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ac508e...@syzkaller.appspotmail.com
panic: Caught invalid memory access at ffff800001b53228 size 8 op 0
Stopped at db_enter+0x17: popq %rbp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
247120 28255 0 0 0 0 syz-executor
*326911 28255 0 0 0x4000000 1K syz-executor
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff8463ba4c) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde sys/kern/subr_kasan.c:1099
pf_remove_if_empty_ruleset(ffff800001b531d8) at pf_remove_if_empty_ruleset+0x5c sys/net/pf_ruleset.c:292
pfi_dynaddr_setup(ffff800001786250,0,1) at pfi_dynaddr_setup+0x837 sys/net/pf_if.c:508
pf_addr_setup(ffffffff8551f4b0,ffff800001786250,0) at pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000016bb000,2,ffff800029913c98) at pfioctl+0xe514 sys/net/pf_ioctl.c:2385
VOP_IOCTL(ffff8000017f1a38,cd604404,ffff8000016bb000,2,ffff800000119680,ffff800029913c98) at VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
vn_ioctl(ffff800001c40b70,cd604404,ffff8000016bb000,ffff800029913c98) at vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800029913c98,ffff8000298f4dc0,ffff8000298f4d20) at sys_ioctl+0x868 sys/kern/sys_generic.c:510
syscall(ffff8000298f4dc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000298f4dc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb39f4610830, count: 3
https://www.openbsd.org/ddb.html describes the minimum info required in bug
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ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: Caught invalid memory access at ffff800001b53228 size 8 op 0
ddb{1}> show kasan
KASAN: invalid read of 8 bytes at 0xffff800001b53228 from pc 0xffffffff82ede69c
KASAN: first bad byte at 0xffff800001b53228 (+0); shadow 0xfd: pool use-after-free (or unallocated item)
KASAN: 0xffff800001b53228 is 1248 bytes inside the 1288-byte item [0xffff800001b52d48..0xffff800001b53250) in pool 'pfanchor'
KASAN: allocated at:
#0 pool_get+0x770 sys/kern/subr_pool.c:733
#1 pf_create_anchor+0x123 sys/net/pf_ruleset.c:-1
#2 pf_find_or_create_ruleset+0x3eb sys/net/pf_ruleset.c:-1
#3 pfi_dynaddr_setup+0x619 sys/net/pf_if.c:-1
#4 pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
#5 pfioctl+0xe514 sys/net/pf_ioctl.c:2385
#6 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#7 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#8 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#9 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#10 Xsyscall+0x128
KASAN: freed at:
#0 pool_put+0x79 sys/kern/subr_pool.c:918
#1 pf_remove_if_empty_ruleset+0x2cc sys/net/pf_ruleset.c:-1
#2 pfr_destroy_ktable+0x464 sys/net/pf_table.c:2401
#3 pfr_attach_table+0x5f6 sys/net/pf_table.c:2576
#4 pfi_dynaddr_setup+0x63e sys/net/pf_if.c:-1
#5 pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
#6 pfioctl+0xe514 sys/net/pf_ioctl.c:2385
#7 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#8 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#9 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#11 Xsyscall+0x128
KASAN: pc: pf_remove_if_empty_ruleset+0x5c
KASAN: call trace:
#0 __asan_load8_noabort+0xbd kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
#0 __asan_load8_noabort+0xbd sys/kern/subr_kasan.c:1099
#1 pf_remove_if_empty_ruleset+0x5c sys/net/pf_ruleset.c:292
#2 pfi_dynaddr_setup+0x837 sys/net/pf_if.c:508
#3 pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
#4 pfioctl+0xe514 sys/net/pf_ioctl.c:2385
#5 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#6 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#7 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
KASAN: shadow of 0xffff800001b53100..0xffff800001b53380 (1 cell = 8 bytes):
0xffff800001b53100: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0xffff800001b53180: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
>0xffff800001b53200: fd fd fd fd fd[fd]fd fd fd fd 08 08 fd fd fd fd
0xffff800001b53280: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0xffff800001b53300: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
KASAN: legend: 00 valid; 01..07 partial; fb malloc redzone; fc malloc freed; fd pool freed; fe kmem; fa global; f1..f4/f8 stack/scope
ddb{1}> trace
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff8463ba4c) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde sys/kern/subr_kasan.c:1099
pf_remove_if_empty_ruleset(ffff800001b531d8) at pf_remove_if_empty_ruleset+0x5c sys/net/pf_ruleset.c:292
pfi_dynaddr_setup(ffff800001786250,0,1) at pfi_dynaddr_setup+0x837 sys/net/pf_if.c:508
pf_addr_setup(ffffffff8551f4b0,ffff800001786250,0) at pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000016bb000,2,ffff800029913c98) at pfioctl+0xe514 sys/net/pf_ioctl.c:2385
VOP_IOCTL(ffff8000017f1a38,cd604404,ffff8000016bb000,2,ffff800000119680,ffff800029913c98) at VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
vn_ioctl(ffff800001c40b70,cd604404,ffff8000016bb000,ffff800029913c98) at vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800029913c98,ffff8000298f4dc0,ffff8000298f4d20) at sys_ioctl+0x868 sys/kern/sys_generic.c:510
syscall(ffff8000298f4dc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000298f4dc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb39f4610830, count: -12
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000298f41b0
rbx 0xffff8000298f4220
rdx 0
rcx 0xffff800028fe3ff0
rax 0xffff800000165000
r8 0x101010101010101
r9 0x8080808080808080
r10 0xffff8000298f3f98
r11 0xffffffff83bf8220 x86_bus_space_io_read_1
r12 0xffffffff8463ba4c .str.19+0x9e00c
r13 0xffff800028fe4c08
r14 0xffff800028fe4e07
r15 0x1
rip 0xffffffff818ff187 db_enter+0x17
cs 0x8
rflags 0x246
rsp 0xffff8000298f41b0
ss 0x10
db_enter+0x17: popq %rbp
ddb{1}> show proc
PROC (syz-executor) tid=326911 pid=28255 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800029912d08,0xffff800029913a10
process=0xffff800029915cf0 user=0xffff8000298e9000, vmspace=0xffff800001c48b88
estcpu=36, cpticks=37, pctcpu=0.0, user=0, sys=37, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
30779 175320 55189 0 2 0x100000 0 sh
55189 355746 85734 0 3 0x100002 0x88 sigsusp sh
32507 340976 44602 0 3 0 0x80 nanoslp syz-executor
32507 433921 44602 0 3 0 0x4000080 kqpoll syz-executor
32507 237026 44602 0 3 0 0x4000080 fsleep syz-executor
70311 120807 14326 0 2 0 0 syz-executor
70311 34251 14326 0 3 0 0x4000080 fsleep syz-executor
21131 407340 69130 0 2 0 0 syz-executor
21131 435600 69130 0 3 0 0x4000080 fsleep syz-executor
28255 247120 51738 0 7 0 0 syz-executor
*28255 326911 51738 0 7 0 0x4000000 syz-executor
85734 292379 41964 0 3 0x2 0x80 wait syz-executor
53463 405192 1 0 3 0x100003 0x80 ttyin getty
72302 318175 0 0 3 0x14000 0x280 nfsidl nfsio
92541 211567 0 0 3 0x14000 0x280 nfsidl nfsio
1334 76742 0 0 3 0x14000 0x280 nfsidl nfsio
79827 382507 0 0 3 0x14000 0x280 nfsidl nfsio
74138 114866 0 0 3 0x14000 0x280 nfsidl nfsio
47515 452080 0 0 3 0x14000 0x280 nfsidl nfsio
68720 134082 0 0 3 0x14000 0x280 nfsidl nfsio
257 245451 0 0 3 0x14000 0x280 nfsidl nfsio
11200 4063 0 0 3 0x14000 0x280 nfsidl nfsio
9931 520298 0 0 3 0x14000 0x280 nfsidl nfsio
1792 52654 0 0 3 0x14000 0x280 nfsidl nfsio
51367 33843 0 0 3 0x14000 0x280 nfsidl nfsio
68228 429140 0 0 3 0x14000 0x280 nfsidl nfsio
87493 309248 0 0 3 0x14000 0x280 nfsidl nfsio
88451 492715 0 0 3 0x14000 0x280 nfsidl nfsio
37336 505447 0 0 3 0x14000 0x280 nfsidl nfsio
34262 22790 0 0 3 0x14000 0x280 nfsidl nfsio
56046 70862 0 0 3 0x14000 0x280 nfsidl nfsio
12566 353968 0 0 3 0x14000 0x280 nfsidl nfsio
81438 381350 0 0 3 0x14000 0x280 nfsidl nfsio
3380 26946 77335 0 3 0x100002 0x80 sbwait arp
77335 100699 22506 0 3 0x100002 0x88 sigsusp sh
51646 343443 41964 0 3 0x2 0x80 piperd syz-executor
69130 427196 41964 0 3 0x2 0x80 nanoslp syz-executor
51738 422245 41964 0 3 0x2 0x80 nanoslp syz-executor
14326 158125 41964 0 3 0x2 0x80 nanoslp syz-executor
22506 512112 41964 0 3 0x2 0x80 wait syz-executor
44602 389032 41964 0 3 0x2 0x80 nanoslp syz-executor
41964 360113 1 0 3 0x2 0x80 wait syz-executor
89618 174223 0 0 3 0x14000 0x200 bored smr
36379 312135 0 0 2 0x14000 0x200 zerothread
84130 401984 0 0 3 0x14000 0x200 aiodoned aiodoned
74245 463774 0 0 3 0x14000 0x200 syncer update
18406 76235 0 0 3 0x14000 0x200 cleaner cleaner
7293 212704 0 0 3 0x14000 0x200 reaper reaper
70302 388135 0 0 3 0x14000 0x200 pgdaemon pagedaemon
53763 221523 0 0 3 0x14000 0x200 bored viomb
6605 381164 0 0 3 0x14000 0x40000200 acpi0 acpi0
5779 244969 0 0 3 0x14000 0x40000200 idle1
83609 335814 0 0 3 0x14000 0x200 bored softnet1
31080 370122 0 0 3 0x14000 0x200 bored softnet0
210 93986 0 0 3 0x14000 0x200 bored systqmp
97779 416295 0 0 3 0x14000 0x200 bored systq
27108 11157 0 0 3 0x14000 0x200 tmoslp softclockmp
62291 274801 0 0 3 0x14000 0x40000200 tmoslp softclock
93884 429522 0 0 3 0x14000 0x40000200 idle0
1 118293 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10010000 0x200 scheduler swapper
ddb{1}> show all locks
Process 28255 (syz-executor) thread 0xffff800029913c98 (326911)
exclusive rwlock pf_lock r = 0 (0xffffffff850a96d8)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 pfioctl+0xd943 sys/net/pf_ioctl.c:2339
#3 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#4 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#5 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#6 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff84ea0cd8)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 pfioctl+0xd92e sys/net/pf_ioctl.c:2338
#3 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#4 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#5 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#6 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive rwlock pfioctl_rw r = 0 (0xffffffff850a97d8)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 pfioctl+0x256 sys/net/pf_ioctl.c:2075
#3 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#4 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#5 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#6 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8551c040)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 vn_ioctl+0x9e sys/kern/vfs_vnops.c:520
#2 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#4 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11040 12159K 12456K 166960K 12316 0
pcb 17 24K 24K 166960K 36 0
rtable 158 8K 12K 166960K 484 0
pf 32 22K 26K 166960K 77 0
ifaddr 30 8K 11K 166960K 69 0
ifgroup 47 2K 2K 166960K 90 0
sysctl 3 1K 13K 166960K 7 0
counters 66 41K 43K 166960K 88 0
ioctlops 1 4K 4K 166960K 1584 0
iov 0 0K 16K 166960K 5 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1299 84K 84K 166960K 1520 0
UFS quota 1 36K 36K 166960K 1 0
UFS mount 5 44K 44K 166960K 5 0
shm 2 2K 6K 166960K 5 0
VM map 2 1K 1K 166960K 2 0
sem 8 0K 1K 166960K 12 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 292K 166960K 11964 0
file desc 17 65K 93K 166960K 350 0
sigio 0 0K 0K 166960K 2 0
proc 19 46K 161K 166960K 718 0
subproc 72 9K 9K 166960K 126 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 20K 20K 166960K 1 0
ip_moptions 0 0K 0K 166960K 13 0
in_multi 56 4K 6K 166960K 144 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 13 0
ISOFS mount 1 36K 36K 166960K 1 0
MSDOSFS mount 1 20K 20K 166960K 1 0
ttys 49 344K 344K 166960K 49 0
exec 0 0K 2K 166960K 453 0
fusefs mount 1 36K 36K 166960K 1 0
tdb 3 1K 1K 166960K 3 0
VM swap 14 124K 124K 166960K 15 0
UVM amap 126 133K 238K 166960K 4835 0
UVM aobj 8 4K 4K 166960K 9 0
pinsyscall 1045 1759K 1772K 166960K 1641 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 1 0
NDP 12 0K 1K 166960K 45 0
temp 38 9163K 9174K 166960K 5488 0
kqueue 2 8K 56K 166960K 55 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 28 0 0 1 0 1 1 0 8 0
rtpcb 120 45 0 44 1 0 1 1 0 8 0
rtentry 176 159 0 89 5 0 5 5 0 8 0
unpcb 144 128 0 124 1 0 1 1 0 8 0
syncache 336 4 0 4 2 2 0 1 0 8 0
tcpcb 736 15 0 14 1 0 1 1 0 8 0
arp 136 28 0 16 1 0 1 1 0 8 0
inpcb 328 232 0 228 7 3 4 7 0 8 3
nd6 152 36 0 24 1 0 1 1 0 8 0
kcovpl 48 14 0 6 1 0 1 1 0 8 0
ppxss 1192 1 0 1 1 1 0 1 0 8 0
pffrag 232 3 0 1 1 0 1 1 0 482 0
pffrnode 88 3 0 1 1 0 1 1 0 8 0
pffrent 40 5 0 3 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
pfrktable 1344 1 1 1 1 0 1 1 0 8 1
pfanchor 1288 1 0 1 1 0 1 1 0 8 1
pfstitem 24 32 0 3 1 0 1 1 0 8 0
pfstkey 128 32 0 3 2 0 2 2 0 8 0
pfstate 448 32 0 3 4 0 4 4 0 8 0
pfrule 1360 25 0 19 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 641 0 358 26 0 26 26 0 8 7
art_table 40 642 0 358 5 0 5 5 0 8 0
art_node 32 159 0 95 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0
semupl 112 3 0 3 1 0 1 1 0 8 1
semapl 72 9 0 3 1 0 1 1 0 8 0
shmpl 112 6 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1795 0 318 93 0 93 93 0 8 0
ffsino 296 1795 0 318 114 0 114 114 0 8 0
nchpl 144 2189 0 471 64 0 64 64 0 8 0
vnodes 216 2005 0 0 112 0 112 112 0 8 0
namei 1024 7289 0 7289 2 1 1 1 0 8 1
percpumem 16 60 0 11 1 0 1 1 0 8 0
pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0
kstatmem 264 45 0 22 2 0 2 2 0 8 0
scxspl 216 8463 0 8463 4 3 1 2 1 8 1
plimitpl 152 47 0 37 1 0 1 1 0 8 0
sigapl 424 677 0 621 8 0 8 8 0 8 0
knotepl 120 136 0 0 5 0 5 5 0 8 0
kqueuepl 224 65 0 62 1 0 1 1 0 8 0
pipepl 344 165 0 138 3 0 3 3 0 8 0
fdescpl 528 640 0 620 3 0 3 3 0 8 0
filepl 160 2610 0 2447 12 2 10 12 0 8 1
lockfpl 104 63 0 63 1 0 1 1 0 8 1
lockfspl 48 29 0 29 1 0 1 1 0 8 1
sessionpl 144 36 0 33 1 0 1 1 0 8 0
pgrppl 48 50 0 39 1 0 1 1 0 8 0
ucredpl 104 209 0 206 1 0 1 1 0 8 0
zombiepl 144 622 0 621 1 0 1 1 0 8 0
processpl 1232 677 0 621 6 0 6 6 0 8 0
procpl 664 895 0 834 7 0 7 7 0 8 0
sosppl 176 1 0 1 1 0 1 1 0 8 1
sockpl 752 413 0 404 10 3 7 10 0 8 5
mcl64k 65536 1 0 0 1 0 1 1 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 124 0 0 16 0 16 16 0 8 0
mcl2k 2048 28 0 0 4 0 4 4 0 8 0
mextrefs 64 30 0 0 1 0 1 1 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 190 0 0 11 0 11 11 0 8 0
bufpl 272 2730 0 106 175 0 175 175 0 8 0
anonpl 32 5871 0 0 48 0 48 48 0 222 0
amapchunkpl 152 13773 0 13457 25 3 22 25 0 158 6
amappl16 200 2398 0 2367 16 6 10 13 0 8 8
amappl15 192 8 0 8 2 2 0 1 0 8 0
amappl14 184 495 0 493 1 0 1 1 0 8 0
amappl13 176 137 0 135 1 0 1 1 0 8 0
amappl12 168 910 0 892 2 0 2 2 0 8 0
amappl11 160 7 0 7 2 1 1 1 0 8 1
amappl10 152 68 0 68 1 0 1 1 0 8 1
amappl9 144 287 0 287 1 1 0 1 0 8 0
amappl8 136 119 0 119 1 0 1 1 0 8 1
amappl7 128 184 0 181 1 0 1 1 0 8 0
amappl6 120 212 0 210 1 0 1 1 0 8 0
amappl5 112 133 0 133 1 0 1 1 0 8 1
amappl4 104 309 0 305 1 0 1 1 0 8 0
amappl3 96 2441 0 2384 3 0 3 3 0 8 0
amappl2 88 742 0 716 2 0 2 2 0 8 0
amappl1 80 11642 0 11499 15 1 14 15 0 8 5
amappl 88 4004 0 3898 4 0 4 4 0 92 0
uvmvnodes 80 104 0 0 3 0 3 3 0 8 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 7 0 7 2 1 1 1 0 8 1
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 8 0 1 1 0 1 1 0 8 0
uaddrrnd 24 640 0 620 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 640 0 620 1 0 1 1 0 8 0
vmmpekpl 168 7211 0 7168 3 0 3 3 0 8 0
vmmpepl 168 50144 0 49319 88 0 88 88 0 357 45
vmsppl 488 639 0 620 5 0 5 5 0 8 0
rwobjpl 80 17700 0 17227 25 1 24 24 0 8 1
pdppl 4096 1289 0 1240 113 60 53 87 0 8 4
pvpl 32 12535 0 0 102 0 102 102 0 265 0
pmappl 256 639 0 620 3 0 3 3 0 8 0
extentpl 40 47 0 29 1 0 1 1 0 8 0
phpool 120 463 0 66 13 0 13 13 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x19: leave
x86_ipi_db(ffffffff8534eff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412
x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8551b840) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff8551b840) at __mp_lock+0x272 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x796a8b7df340, count: 8
ddb{0}> trace
x86_ipi_db(ffffffff8534eff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412
x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8551b840) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff8551b840) at __mp_lock+0x272 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x796a8b7df340, count: -7
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x17: popq %rbp
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff8463ba4c) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde sys/kern/subr_kasan.c:1099
pf_remove_if_empty_ruleset(ffff800001b531d8) at pf_remove_if_empty_ruleset+0x5c sys/net/pf_ruleset.c:292
pfi_dynaddr_setup(ffff800001786250,0,1) at pfi_dynaddr_setup+0x837 sys/net/pf_if.c:508
pf_addr_setup(ffffffff8551f4b0,ffff800001786250,0) at pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000016bb000,2,ffff800029913c98) at pfioctl+0xe514 sys/net/pf_ioctl.c:2385
VOP_IOCTL(ffff8000017f1a38,cd604404,ffff8000016bb000,2,ffff800000119680,ffff800029913c98) at VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
vn_ioctl(ffff800001c40b70,cd604404,ffff8000016bb000,ffff800029913c98) at vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800029913c98,ffff8000298f4dc0,ffff8000298f4d20) at sys_ioctl+0x868 sys/kern/sys_generic.c:510
syscall(ffff8000298f4dc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000298f4dc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb39f4610830, count: 3
ddb{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.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#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: 513d7cacacc3 Merge remote-tracking branch 'origin/master' ..
git tree: https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan
console output: https://syzkaller.appspot.com/x/log.txt?x=1535b132580000
kernel config: https://syzkaller.appspot.com/x/.config?x=85e25e37d09e1b88
dashboard link: https://syzkaller.appspot.com/bug?extid=ac508ec1043a1de78c91
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/eb488c5a0bea/disk-513d7cac.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/d16ccf04a461/bsd-513d7cac.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/105ffbe52fd0/kernel-513d7cac.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ac508e...@syzkaller.appspotmail.com
panic: Caught invalid memory access at ffff800001b53228 size 8 op 0
Stopped at db_enter+0x17: popq %rbp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
247120 28255 0 0 0 0 syz-executor
*326911 28255 0 0 0x4000000 1K syz-executor
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff8463ba4c) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde sys/kern/subr_kasan.c:1099
pf_remove_if_empty_ruleset(ffff800001b531d8) at pf_remove_if_empty_ruleset+0x5c sys/net/pf_ruleset.c:292
pfi_dynaddr_setup(ffff800001786250,0,1) at pfi_dynaddr_setup+0x837 sys/net/pf_if.c:508
pf_addr_setup(ffffffff8551f4b0,ffff800001786250,0) at pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000016bb000,2,ffff800029913c98) at pfioctl+0xe514 sys/net/pf_ioctl.c:2385
VOP_IOCTL(ffff8000017f1a38,cd604404,ffff8000016bb000,2,ffff800000119680,ffff800029913c98) at VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
vn_ioctl(ffff800001c40b70,cd604404,ffff8000016bb000,ffff800029913c98) at vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800029913c98,ffff8000298f4dc0,ffff8000298f4d20) at sys_ioctl+0x868 sys/kern/sys_generic.c:510
syscall(ffff8000298f4dc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000298f4dc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb39f4610830, count: 3
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: Caught invalid memory access at ffff800001b53228 size 8 op 0
ddb{1}> show kasan
KASAN: invalid read of 8 bytes at 0xffff800001b53228 from pc 0xffffffff82ede69c
KASAN: first bad byte at 0xffff800001b53228 (+0); shadow 0xfd: pool use-after-free (or unallocated item)
KASAN: 0xffff800001b53228 is 1248 bytes inside the 1288-byte item [0xffff800001b52d48..0xffff800001b53250) in pool 'pfanchor'
KASAN: allocated at:
#0 pool_get+0x770 sys/kern/subr_pool.c:733
#1 pf_create_anchor+0x123 sys/net/pf_ruleset.c:-1
#2 pf_find_or_create_ruleset+0x3eb sys/net/pf_ruleset.c:-1
#3 pfi_dynaddr_setup+0x619 sys/net/pf_if.c:-1
#4 pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
#5 pfioctl+0xe514 sys/net/pf_ioctl.c:2385
#6 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#7 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#8 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#9 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#10 Xsyscall+0x128
KASAN: freed at:
#0 pool_put+0x79 sys/kern/subr_pool.c:918
#1 pf_remove_if_empty_ruleset+0x2cc sys/net/pf_ruleset.c:-1
#2 pfr_destroy_ktable+0x464 sys/net/pf_table.c:2401
#3 pfr_attach_table+0x5f6 sys/net/pf_table.c:2576
#4 pfi_dynaddr_setup+0x63e sys/net/pf_if.c:-1
#5 pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
#6 pfioctl+0xe514 sys/net/pf_ioctl.c:2385
#7 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#8 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#9 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#11 Xsyscall+0x128
KASAN: pc: pf_remove_if_empty_ruleset+0x5c
KASAN: call trace:
#0 __asan_load8_noabort+0xbd kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
#0 __asan_load8_noabort+0xbd sys/kern/subr_kasan.c:1099
#1 pf_remove_if_empty_ruleset+0x5c sys/net/pf_ruleset.c:292
#2 pfi_dynaddr_setup+0x837 sys/net/pf_if.c:508
#3 pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
#4 pfioctl+0xe514 sys/net/pf_ioctl.c:2385
#5 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#6 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#7 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#9 Xsyscall+0x128
KASAN: shadow of 0xffff800001b53100..0xffff800001b53380 (1 cell = 8 bytes):
0xffff800001b53100: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0xffff800001b53180: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
>0xffff800001b53200: fd fd fd fd fd[fd]fd fd fd fd 08 08 fd fd fd fd
0xffff800001b53280: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0xffff800001b53300: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
KASAN: legend: 00 valid; 01..07 partial; fb malloc redzone; fc malloc freed; fd pool freed; fe kmem; fa global; f1..f4/f8 stack/scope
ddb{1}> trace
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff8463ba4c) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde sys/kern/subr_kasan.c:1099
pf_remove_if_empty_ruleset(ffff800001b531d8) at pf_remove_if_empty_ruleset+0x5c sys/net/pf_ruleset.c:292
pfi_dynaddr_setup(ffff800001786250,0,1) at pfi_dynaddr_setup+0x837 sys/net/pf_if.c:508
pf_addr_setup(ffffffff8551f4b0,ffff800001786250,0) at pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000016bb000,2,ffff800029913c98) at pfioctl+0xe514 sys/net/pf_ioctl.c:2385
VOP_IOCTL(ffff8000017f1a38,cd604404,ffff8000016bb000,2,ffff800000119680,ffff800029913c98) at VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
vn_ioctl(ffff800001c40b70,cd604404,ffff8000016bb000,ffff800029913c98) at vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800029913c98,ffff8000298f4dc0,ffff8000298f4d20) at sys_ioctl+0x868 sys/kern/sys_generic.c:510
syscall(ffff8000298f4dc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000298f4dc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb39f4610830, count: -12
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000298f41b0
rbx 0xffff8000298f4220
rdx 0
rcx 0xffff800028fe3ff0
rax 0xffff800000165000
r8 0x101010101010101
r9 0x8080808080808080
r10 0xffff8000298f3f98
r11 0xffffffff83bf8220 x86_bus_space_io_read_1
r12 0xffffffff8463ba4c .str.19+0x9e00c
r13 0xffff800028fe4c08
r14 0xffff800028fe4e07
r15 0x1
rip 0xffffffff818ff187 db_enter+0x17
cs 0x8
rflags 0x246
rsp 0xffff8000298f41b0
ss 0x10
db_enter+0x17: popq %rbp
ddb{1}> show proc
PROC (syz-executor) tid=326911 pid=28255 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800029912d08,0xffff800029913a10
process=0xffff800029915cf0 user=0xffff8000298e9000, vmspace=0xffff800001c48b88
estcpu=36, cpticks=37, pctcpu=0.0, user=0, sys=37, intr=0
ddb{1}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
30779 175320 55189 0 2 0x100000 0 sh
55189 355746 85734 0 3 0x100002 0x88 sigsusp sh
32507 340976 44602 0 3 0 0x80 nanoslp syz-executor
32507 433921 44602 0 3 0 0x4000080 kqpoll syz-executor
32507 237026 44602 0 3 0 0x4000080 fsleep syz-executor
70311 120807 14326 0 2 0 0 syz-executor
70311 34251 14326 0 3 0 0x4000080 fsleep syz-executor
21131 407340 69130 0 2 0 0 syz-executor
21131 435600 69130 0 3 0 0x4000080 fsleep syz-executor
28255 247120 51738 0 7 0 0 syz-executor
*28255 326911 51738 0 7 0 0x4000000 syz-executor
85734 292379 41964 0 3 0x2 0x80 wait syz-executor
53463 405192 1 0 3 0x100003 0x80 ttyin getty
72302 318175 0 0 3 0x14000 0x280 nfsidl nfsio
92541 211567 0 0 3 0x14000 0x280 nfsidl nfsio
1334 76742 0 0 3 0x14000 0x280 nfsidl nfsio
79827 382507 0 0 3 0x14000 0x280 nfsidl nfsio
74138 114866 0 0 3 0x14000 0x280 nfsidl nfsio
47515 452080 0 0 3 0x14000 0x280 nfsidl nfsio
68720 134082 0 0 3 0x14000 0x280 nfsidl nfsio
257 245451 0 0 3 0x14000 0x280 nfsidl nfsio
11200 4063 0 0 3 0x14000 0x280 nfsidl nfsio
9931 520298 0 0 3 0x14000 0x280 nfsidl nfsio
1792 52654 0 0 3 0x14000 0x280 nfsidl nfsio
51367 33843 0 0 3 0x14000 0x280 nfsidl nfsio
68228 429140 0 0 3 0x14000 0x280 nfsidl nfsio
87493 309248 0 0 3 0x14000 0x280 nfsidl nfsio
88451 492715 0 0 3 0x14000 0x280 nfsidl nfsio
37336 505447 0 0 3 0x14000 0x280 nfsidl nfsio
34262 22790 0 0 3 0x14000 0x280 nfsidl nfsio
56046 70862 0 0 3 0x14000 0x280 nfsidl nfsio
12566 353968 0 0 3 0x14000 0x280 nfsidl nfsio
81438 381350 0 0 3 0x14000 0x280 nfsidl nfsio
3380 26946 77335 0 3 0x100002 0x80 sbwait arp
77335 100699 22506 0 3 0x100002 0x88 sigsusp sh
51646 343443 41964 0 3 0x2 0x80 piperd syz-executor
69130 427196 41964 0 3 0x2 0x80 nanoslp syz-executor
51738 422245 41964 0 3 0x2 0x80 nanoslp syz-executor
14326 158125 41964 0 3 0x2 0x80 nanoslp syz-executor
22506 512112 41964 0 3 0x2 0x80 wait syz-executor
44602 389032 41964 0 3 0x2 0x80 nanoslp syz-executor
41964 360113 1 0 3 0x2 0x80 wait syz-executor
89618 174223 0 0 3 0x14000 0x200 bored smr
36379 312135 0 0 2 0x14000 0x200 zerothread
84130 401984 0 0 3 0x14000 0x200 aiodoned aiodoned
74245 463774 0 0 3 0x14000 0x200 syncer update
18406 76235 0 0 3 0x14000 0x200 cleaner cleaner
7293 212704 0 0 3 0x14000 0x200 reaper reaper
70302 388135 0 0 3 0x14000 0x200 pgdaemon pagedaemon
53763 221523 0 0 3 0x14000 0x200 bored viomb
6605 381164 0 0 3 0x14000 0x40000200 acpi0 acpi0
5779 244969 0 0 3 0x14000 0x40000200 idle1
83609 335814 0 0 3 0x14000 0x200 bored softnet1
31080 370122 0 0 3 0x14000 0x200 bored softnet0
210 93986 0 0 3 0x14000 0x200 bored systqmp
97779 416295 0 0 3 0x14000 0x200 bored systq
27108 11157 0 0 3 0x14000 0x200 tmoslp softclockmp
62291 274801 0 0 3 0x14000 0x40000200 tmoslp softclock
93884 429522 0 0 3 0x14000 0x40000200 idle0
1 118293 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10010000 0x200 scheduler swapper
ddb{1}> show all locks
Process 28255 (syz-executor) thread 0xffff800029913c98 (326911)
exclusive rwlock pf_lock r = 0 (0xffffffff850a96d8)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 pfioctl+0xd943 sys/net/pf_ioctl.c:2339
#3 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#4 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#5 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#6 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff84ea0cd8)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 pfioctl+0xd92e sys/net/pf_ioctl.c:2338
#3 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#4 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#5 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#6 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive rwlock pfioctl_rw r = 0 (0xffffffff850a97d8)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320
#2 pfioctl+0x256 sys/net/pf_ioctl.c:2075
#3 VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
#4 vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
#5 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#6 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#6 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#7 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8551c040)
#0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x632 sys/kern/subr_witness.c:1160
#1 vn_ioctl+0x9e sys/kern/vfs_vnops.c:520
#2 sys_ioctl+0x868 sys/kern/sys_generic.c:510
#3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
#4 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11040 12159K 12456K 166960K 12316 0
pcb 17 24K 24K 166960K 36 0
rtable 158 8K 12K 166960K 484 0
pf 32 22K 26K 166960K 77 0
ifaddr 30 8K 11K 166960K 69 0
ifgroup 47 2K 2K 166960K 90 0
sysctl 3 1K 13K 166960K 7 0
counters 66 41K 43K 166960K 88 0
ioctlops 1 4K 4K 166960K 1584 0
iov 0 0K 16K 166960K 5 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1299 84K 84K 166960K 1520 0
UFS quota 1 36K 36K 166960K 1 0
UFS mount 5 44K 44K 166960K 5 0
shm 2 2K 6K 166960K 5 0
VM map 2 1K 1K 166960K 2 0
sem 8 0K 1K 166960K 12 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1734 201K 292K 166960K 11964 0
file desc 17 65K 93K 166960K 350 0
sigio 0 0K 0K 166960K 2 0
proc 19 46K 161K 166960K 718 0
subproc 72 9K 9K 166960K 126 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 20K 20K 166960K 1 0
ip_moptions 0 0K 0K 166960K 13 0
in_multi 56 4K 6K 166960K 144 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 13 0
ISOFS mount 1 36K 36K 166960K 1 0
MSDOSFS mount 1 20K 20K 166960K 1 0
ttys 49 344K 344K 166960K 49 0
exec 0 0K 2K 166960K 453 0
fusefs mount 1 36K 36K 166960K 1 0
tdb 3 1K 1K 166960K 3 0
VM swap 14 124K 124K 166960K 15 0
UVM amap 126 133K 238K 166960K 4835 0
UVM aobj 8 4K 4K 166960K 9 0
pinsyscall 1045 1759K 1772K 166960K 1641 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 1 0
NDP 12 0K 1K 166960K 45 0
temp 38 9163K 9174K 166960K 5488 0
kqueue 2 8K 56K 166960K 55 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 28 0 0 1 0 1 1 0 8 0
rtpcb 120 45 0 44 1 0 1 1 0 8 0
rtentry 176 159 0 89 5 0 5 5 0 8 0
unpcb 144 128 0 124 1 0 1 1 0 8 0
syncache 336 4 0 4 2 2 0 1 0 8 0
tcpcb 736 15 0 14 1 0 1 1 0 8 0
arp 136 28 0 16 1 0 1 1 0 8 0
inpcb 328 232 0 228 7 3 4 7 0 8 3
nd6 152 36 0 24 1 0 1 1 0 8 0
kcovpl 48 14 0 6 1 0 1 1 0 8 0
ppxss 1192 1 0 1 1 1 0 1 0 8 0
pffrag 232 3 0 1 1 0 1 1 0 482 0
pffrnode 88 3 0 1 1 0 1 1 0 8 0
pffrent 40 5 0 3 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
pfrktable 1344 1 1 1 1 0 1 1 0 8 1
pfanchor 1288 1 0 1 1 0 1 1 0 8 1
pfstitem 24 32 0 3 1 0 1 1 0 8 0
pfstkey 128 32 0 3 2 0 2 2 0 8 0
pfstate 448 32 0 3 4 0 4 4 0 8 0
pfrule 1360 25 0 19 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 641 0 358 26 0 26 26 0 8 7
art_table 40 642 0 358 5 0 5 5 0 8 0
art_node 32 159 0 95 1 0 1 1 0 8 0
sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0
semupl 112 3 0 3 1 0 1 1 0 8 1
semapl 72 9 0 3 1 0 1 1 0 8 0
shmpl 112 6 0 1 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1795 0 318 93 0 93 93 0 8 0
ffsino 296 1795 0 318 114 0 114 114 0 8 0
nchpl 144 2189 0 471 64 0 64 64 0 8 0
vnodes 216 2005 0 0 112 0 112 112 0 8 0
namei 1024 7289 0 7289 2 1 1 1 0 8 1
percpumem 16 60 0 11 1 0 1 1 0 8 0
pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0
kstatmem 264 45 0 22 2 0 2 2 0 8 0
scxspl 216 8463 0 8463 4 3 1 2 1 8 1
plimitpl 152 47 0 37 1 0 1 1 0 8 0
sigapl 424 677 0 621 8 0 8 8 0 8 0
knotepl 120 136 0 0 5 0 5 5 0 8 0
kqueuepl 224 65 0 62 1 0 1 1 0 8 0
pipepl 344 165 0 138 3 0 3 3 0 8 0
fdescpl 528 640 0 620 3 0 3 3 0 8 0
filepl 160 2610 0 2447 12 2 10 12 0 8 1
lockfpl 104 63 0 63 1 0 1 1 0 8 1
lockfspl 48 29 0 29 1 0 1 1 0 8 1
sessionpl 144 36 0 33 1 0 1 1 0 8 0
pgrppl 48 50 0 39 1 0 1 1 0 8 0
ucredpl 104 209 0 206 1 0 1 1 0 8 0
zombiepl 144 622 0 621 1 0 1 1 0 8 0
processpl 1232 677 0 621 6 0 6 6 0 8 0
procpl 664 895 0 834 7 0 7 7 0 8 0
sosppl 176 1 0 1 1 0 1 1 0 8 1
sockpl 752 413 0 404 10 3 7 10 0 8 5
mcl64k 65536 1 0 0 1 0 1 1 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 124 0 0 16 0 16 16 0 8 0
mcl2k 2048 28 0 0 4 0 4 4 0 8 0
mextrefs 64 30 0 0 1 0 1 1 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 190 0 0 11 0 11 11 0 8 0
bufpl 272 2730 0 106 175 0 175 175 0 8 0
anonpl 32 5871 0 0 48 0 48 48 0 222 0
amapchunkpl 152 13773 0 13457 25 3 22 25 0 158 6
amappl16 200 2398 0 2367 16 6 10 13 0 8 8
amappl15 192 8 0 8 2 2 0 1 0 8 0
amappl14 184 495 0 493 1 0 1 1 0 8 0
amappl13 176 137 0 135 1 0 1 1 0 8 0
amappl12 168 910 0 892 2 0 2 2 0 8 0
amappl11 160 7 0 7 2 1 1 1 0 8 1
amappl10 152 68 0 68 1 0 1 1 0 8 1
amappl9 144 287 0 287 1 1 0 1 0 8 0
amappl8 136 119 0 119 1 0 1 1 0 8 1
amappl7 128 184 0 181 1 0 1 1 0 8 0
amappl6 120 212 0 210 1 0 1 1 0 8 0
amappl5 112 133 0 133 1 0 1 1 0 8 1
amappl4 104 309 0 305 1 0 1 1 0 8 0
amappl3 96 2441 0 2384 3 0 3 3 0 8 0
amappl2 88 742 0 716 2 0 2 2 0 8 0
amappl1 80 11642 0 11499 15 1 14 15 0 8 5
amappl 88 4004 0 3898 4 0 4 4 0 92 0
uvmvnodes 80 104 0 0 3 0 3 3 0 8 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 7 0 7 2 1 1 1 0 8 1
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 8 0 1 1 0 1 1 0 8 0
uaddrrnd 24 640 0 620 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 640 0 620 1 0 1 1 0 8 0
vmmpekpl 168 7211 0 7168 3 0 3 3 0 8 0
vmmpepl 168 50144 0 49319 88 0 88 88 0 357 45
vmsppl 488 639 0 620 5 0 5 5 0 8 0
rwobjpl 80 17700 0 17227 25 1 24 24 0 8 1
pdppl 4096 1289 0 1240 113 60 53 87 0 8 4
pvpl 32 12535 0 0 102 0 102 102 0 265 0
pmappl 256 639 0 620 3 0 3 3 0 8 0
extentpl 40 47 0 29 1 0 1 1 0 8 0
phpool 120 463 0 66 13 0 13 13 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x19: leave
x86_ipi_db(ffffffff8534eff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412
x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8551b840) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff8551b840) at __mp_lock+0x272 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x796a8b7df340, count: 8
ddb{0}> trace
x86_ipi_db(ffffffff8534eff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412
x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8551b840) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff8551b840) at __mp_lock+0x272 sys/kern/kern_lock.c:173
softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83
dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x796a8b7df340, count: -7
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x17: popq %rbp
db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457
panic(ffffffff8463ba4c) at panic+0x270 sys/kern/subr_prf.c:198
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline]
__asan_load8_noabort(ffff800001b53228) at __asan_load8_noabort+0xde sys/kern/subr_kasan.c:1099
pf_remove_if_empty_ruleset(ffff800001b531d8) at pf_remove_if_empty_ruleset+0x5c sys/net/pf_ruleset.c:292
pfi_dynaddr_setup(ffff800001786250,0,1) at pfi_dynaddr_setup+0x837 sys/net/pf_if.c:508
pf_addr_setup(ffffffff8551f4b0,ffff800001786250,0) at pf_addr_setup+0x3a sys/net/pf_ioctl.c:948
pfioctl(14900,cd604404,ffff8000016bb000,2,ffff800029913c98) at pfioctl+0xe514 sys/net/pf_ioctl.c:2385
VOP_IOCTL(ffff8000017f1a38,cd604404,ffff8000016bb000,2,ffff800000119680,ffff800029913c98) at VOP_IOCTL+0x131 sys/kern/vfs_vops.c:264
vn_ioctl(ffff800001c40b70,cd604404,ffff8000016bb000,ffff800029913c98) at vn_ioctl+0x18c sys/kern/vfs_vnops.c:537
sys_ioctl(ffff800029913c98,ffff8000298f4dc0,ffff8000298f4d20) at sys_ioctl+0x868 sys/kern/sys_generic.c:510
syscall(ffff8000298f4dc0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff8000298f4dc0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb39f4610830, count: 3
ddb{1}>
---
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