pool: cpu free list modified: mbufpl
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syzbot
Oct 23, 2019, 6:43:06 AM10/23/19
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: fe57de6b struct proc: change ps_start from utc time to upt..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1039a760e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=e893fb0259640a314d06
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+e893fb...@syzkaller.appspotmail.com
panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item
addr 0xfffffd807b0d4900+16 0x0!=0x2f5cdb7efd40db0e
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*442350 98639 0 0 0x4000000 1 syz-executor.0
173391 99433 0 0x2 0x4000480 0 syz-fuzzer
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
pool_cache_item_magic_check sys/kern/subr_pool.c:1789 [inline]
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
sys/kern/subr_pool.c:1892
pool_get() at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8063d30700,a8d4,5a0,2) at m_copym+0x174 m_get
sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8063d30700,a8d4,5a0,2) at m_copym+0x174
sys/kern/uipc_mbuf.c:667
ip_fragment(fffffd8063d30700,ffff8000001732a8,5b4) at ip_fragment+0x324
ip_output(fffffd8063d30700,0,fffffd806f6cc070,20,0,fffffd806f6cc000) at
ip_output+0xfc1 sys/netinet/ip_output.c:501
rip_output(fffffd8063d30700,fffffd80633d17a0,ffff800023bddb98,ffff800021b82000)
at
rip_output+0x252 sys/netinet/raw_ip.c:289
rip_usrreq(fffffd80633d17a0,9,fffffd8063d30700,0,0,ffff800020abf3e8) at
rip_usrreq+0x46a sys/netinet/raw_ip.c:538
sosend(fffffd80633d17a0,0,ffff800023bddd00,0,0,0) at sosend+0x645
sys/kern/uipc_socket.c:524
sendit(ffff800020abf3e8,7,ffff800023bddde0,0,ffff800023bddec0) at
sendit+0x52b sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800020abf3e8,ffff800023bdde78,ffff800023bddec0) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff800023bddf40) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800023bddf40) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(0,0,ffffffffffffffd7,0,6,4da8f0a1010) at Xsyscall+0x128
end of kernel
end trace frame: 0x4dcdda5eb50, count: 1
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
pool_cache_item_magic_check: mbufpl cpu free list modified: item addr
0xfffffd807b0d4900+16 0x0!=0x2f5cdb7efd40db0e
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
pool_cache_item_magic_check sys/kern/subr_pool.c:1789 [inline]
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
sys/kern/subr_pool.c:1892
pool_get() at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8063d30700,a8d4,5a0,2) at m_copym+0x174 m_get
sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8063d30700,a8d4,5a0,2) at m_copym+0x174
sys/kern/uipc_mbuf.c:667
ip_fragment(fffffd8063d30700,ffff8000001732a8,5b4) at ip_fragment+0x324
ip_output(fffffd8063d30700,0,fffffd806f6cc070,20,0,fffffd806f6cc000) at
ip_output+0xfc1 sys/netinet/ip_output.c:501
rip_output(fffffd8063d30700,fffffd80633d17a0,ffff800023bddb98,ffff800021b82000)
at
rip_output+0x252 sys/netinet/raw_ip.c:289
rip_usrreq(fffffd80633d17a0,9,fffffd8063d30700,0,0,ffff800020abf3e8) at
rip_usrreq+0x46a sys/netinet/raw_ip.c:538
sosend(fffffd80633d17a0,0,ffff800023bddd00,0,0,0) at sosend+0x645
sys/kern/uipc_socket.c:524
sendit(ffff800020abf3e8,7,ffff800023bddde0,0,ffff800023bddec0) at
sendit+0x52b sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800020abf3e8,ffff800023bdde78,ffff800023bddec0) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff800023bddf40) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800023bddf40) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(0,0,ffffffffffffffd7,0,6,4da8f0a1010) at Xsyscall+0x128
end of kernel
end trace frame: 0x4dcdda5eb50, count: -14
ddb{1}> show registers
rdi 0xffffffff81c952f7 db_enter+0x17
rsi 0x6bb8 __ALIGN_SIZE+0x5bb8
rbp 0xffff800023bdd6c0
rbx 0xffff800023bdd770
rdx 0x6bb9 __ALIGN_SIZE+0x5bb9
rcx 0xffff800021b82000
rax 0xffff800021b82000
r8 0xffffffff8199ba8f kprintf+0x16f
r9 0x1
r10 0x25
r11 0x13cae093011f2a5f
r12 0x3000000008
r13 0xffff800023bdd6d0
r14 0x100
r15 0x1
rip 0xffffffff81c952f8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800023bdd6b0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.0) pid=442350 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020abec80,0xffffffff8263f188
process=0xffff800020add500 user=0xffff800023bd8000,
vmspace=0xfffffd807f00b450
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
98639 19380 68618 0 2 0 syz-executor.0
*98639 442350 68618 0 7 0x4000000 syz-executor.0
68618 84179 99433 0 2 0x482 syz-executor.0
29954 321882 99433 0 2 0x2 syz-executor.1
52061 56055 0 0 3 0x14200 acct acct
10129 286585 1 0 3 0x100083 ttyin getty
23112 82099 0 0 3 0x14200 bored sosplice
99433 103183 7735 0 3 0x82 thrsleep syz-fuzzer
99433 308349 7735 0 3 0x4000082 nanosleep syz-fuzzer
99433 139306 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 173391 7735 0 7 0x4000482 syz-fuzzer
99433 171009 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 18402 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 397708 7735 0 3 0x4000082 kqread syz-fuzzer
99433 282357 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 383030 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 402591 7735 0 3 0x4000082 thrsleep syz-fuzzer
7735 450945 64343 0 3 0x10008a pause ksh
64343 98323 49815 0 3 0x92 select sshd
49815 342955 1 0 3 0x80 select sshd
15686 49368 71343 74 3 0x100092 bpf pflogd
71343 162311 1 0 3 0x80 netio pflogd
62369 170021 34225 73 3 0x100090 kqread syslogd
34225 488098 1 0 3 0x100082 netio syslogd
82656 13930 1 77 3 0x100090 poll dhclient
49342 336613 1 0 3 0x80 poll dhclient
1218 419926 0 0 2 0x14200 zerothread
98002 238416 0 0 3 0x14200 aiodoned aiodoned
80892 406153 0 0 3 0x14200 syncer update
12895 9189 0 0 3 0x14200 cleaner cleaner
71101 162819 0 0 3 0x14200 reaper reaper
44340 42146 0 0 3 0x14200 pgdaemon pagedaemon
31607 225994 0 0 3 0x14200 bored crynlk
13614 101359 0 0 3 0x14200 bored crypto
55331 141023 0 0 3 0x40014200 acpi0 acpi0
46382 150683 0 0 3 0x40014200 idle1
30829 180549 0 0 3 0x14200 bored softnet
92865 522348 0 0 3 0x14200 bored systqmp
16632 483131 0 0 3 0x14200 bored systq
88499 50948 0 0 3 0x40014200 bored softclock
46298 305370 0 0 3 0x40014200 idle0
93720 366484 0 0 3 0x14200 bored smr
1 219302 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 98639 (syz-executor.0) thread 0xffff800020abf3e8 (442350)
exclusive rwlock netlock r = 0 (0xffffffff824d0138)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 solock+0x5a sys/kern/uipc_socket2.c:282
#2 sosend+0x51b sys/kern/uipc_socket.c:512
#3 sendit+0x52b sys/kern/uipc_syscalls.c:662
#4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
#5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#6 Xsyscall+0x128
Process 29954 (syz-executor.1) thread 0xffff800020abfb50 (321882)
exclusive rrwlock inode r = 0 (0xfffffd80714f13d8)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 rw_enter+0x447 sys/kern/kern_rwlock.c:306
#2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435
#3 VOP_LOCK+0xf0 sys/kern/vfs_vops.c:615
#4 vn_lock+0x81 sys/kern/vfs_vnops.c:574
#5 vget+0x1c3 sys/kern/vfs_subr.c:672
#6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1323
#8 ufs_lookup+0x14b4 sys/ufs/ufs/ufs_lookup.c:487
#9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:91
#10 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568
#11 namei+0x63c sys/kern/vfs_lookup.c:249
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1785
#13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8072cdaa28)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 rw_enter+0x447 sys/kern/kern_rwlock.c:306
#2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435
#3 VOP_LOCK+0xf0 sys/kern/vfs_vops.c:615
#4 vn_lock+0x81 sys/kern/vfs_vnops.c:574
#5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419
#6 namei+0x63c sys/kern/vfs_lookup.c:249
#7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1785
#8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9633 6491K 9224K 78643K 56049 0 0
pcb 13 12K 14K 78643K 1696 0 0
rtable 123 14K 16K 78643K 5554 0 0
ifaddr 105 27K 29K 78643K 1616 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1985 0 0
iov 0 0K 32K 78643K 1543 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1235 78K 78K 78643K 14163 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 132 0 0
VM map 81 40K 41K 78643K 114 0 0
sem 12 0K 1K 78643K 3525 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 5 13K 25K 78643K 8264 0 0
sigio 0 0K 0K 78643K 121 0 0
proc 62 63K 95K 78643K 3779 0 0
subproc 32 2K 2K 78643K 1054 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 1K 78643K 898 0 0
in_multi 30 1K 2K 78643K 1108 0 0
ether_multi 1 0K 0K 78643K 101 0 0
mrt 1 0K 0K 78643K 52 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 120 530K 530K 78643K 120 0 0
exec 0 0K 1K 78643K 1801 0 0
pfkey data 0 0K 4K 78643K 6 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 246 683K 685K 78643K 30126 0 0
UVM aobj 130 4K 4K 78643K 140 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 2K 78643K 1794 0 0
NDP 24 0K 1K 78643K 508 0 0
temp 258 3565K 4209K 78643K 415549 0 0
kqueue 0 0K 0K 78643K 50 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 204 0 197 1 0 1 1 0
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 796 0 794 1 0 1 1 0
8 0
rtentry 112 967 0 924 2 0 2 2 0
8 0
unpcb 120 4422 0 4407 8 7 1 2 0
8 0
syncache 264 44 0 44 21 21 0 1 0
8 0
sackhl 24 3 0 3 2 2 0 1 0
8 0
tcpqe 32 70 0 70 11 11 0 1 0
8 0
tcpcb 544 3786 0 3782 51 50 1 13 0
8 0
inpcb 280 11386 0 11377 54 52 2 13 0
8 1
rttmr 72 18 0 17 3 2 1 1 0
8 0
ip6q 72 3 0 3 3 3 0 1 0
8 0
ip6af 40 5 0 5 2 2 0 1 0
8 0
nd6 48 144 0 142 2 1 1 1 0
8 0
pkpcb 40 53 0 53 16 16 0 1 0
8 0
swfcl 56 2 0 0 1 0 1 1 0
8 0
ppxss 1128 236 0 236 22 21 1 1 0
8 1
pffrag 232 217 0 214 16 15 1 1 0
482 0
pffrnode 88 200 0 198 16 15 1 1 0
8 0
pffrent 40 7314 0 7311 17 16 1 2 0
8 0
pfosfp 40 846 0 423 5 0 5 5 0
8 0
pfosfpen 112 1428 0 714 21 0 21 21 0
8 0
pfstitem 24 739 0 677 1 0 1 1 0
8 0
pfstkey 112 739 0 677 4 1 3 3 0
8 1
pfstate 328 739 0 677 12 6 6 9 0
8 0
pfrule 1360 21 0 16 2 1 1 2 0
8 0
art_heap8 4096 3 0 2 3 2 1 2 0
8 0
art_heap4 256 3929 0 3684 40 22 18 20 0
8 2
art_table 32 3932 0 3686 7 4 3 3 0
8 0
art_node 16 963 0 923 1 0 1 1 0
8 0
sysvmsgpl 40 23 0 17 2 1 1 1 0
8 0
semupl 112 1 0 1 1 1 0 1 0
8 0
semapl 112 3523 0 3513 1 0 1 1 0
8 0
shmpl 112 138 0 10 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 14795 0 13351 47 0 47 47 0
8 0
ffsino 272 14795 0 13351 97 0 97 97 0
8 0
nchpl 144 27828 0 27354 61 40 21 61 0
8 0
uvmvnodes 72 6450 0 0 118 0 118 118 0
8 0
vnodes 208 6450 0 0 340 0 340 340 0
8 0
namei 1024 106755 0 106755 3 2 1 1 0
8 1
percpumem 16 30 0 0 1 0 1 1 0
8 0
vcpupl 1984 79 0 0 10 0 10 10 0
8 0
vmpool 552 112 0 33 8 2 6 6 0
8 0
scsiplug 64 11 0 11 9 9 0 1 0
8 0
scxspl 192 86379 0 86379 63 60 3 7 0
8 3
plimitpl 152 647 0 639 1 0 1 1 0
8 0
sigapl 432 8288 0 8273 6 4 2 3 0
8 0
futexpl 56 206177 0 206177 2 1 1 1 0
8 1
knotepl 112 2811 0 2792 13 12 1 3 0
8 0
kqueuepl 104 2892 0 2890 16 15 1 4 0
8 0
pipepl 112 4822 0 4803 15 14 1 2 0
8 0
fdescpl 488 8289 0 8273 3 0 3 3 0
8 0
filepl 152 76399 0 76296 77 71 6 14 0
8 2
lockfpl 104 2832 0 2831 1 0 1 1 0
8 0
lockfspl 48 1003 0 1002 1 0 1 1 0
8 0
sessionpl 112 82 0 71 1 0 1 1 0
8 0
pgrppl 48 162 0 151 1 0 1 1 0
8 0
ucredpl 96 12491 0 12481 1 0 1 1 0
8 0
zombiepl 144 8282 0 8282 3 2 1 1 0
8 1
processpl 896 8315 0 8282 6 2 4 5 0
8 0
procpl 632 26292 0 26249 6 1 5 5 0
8 0
srpgc 64 88 0 88 25 25 0 1 0
8 0
sosppl 128 138 0 138 25 24 1 1 0
8 1
sockpl 384 16770 0 16744 90 86 4 22 0
8 0
mcl64k 65536 817 0 0 95 41 54 65 0
8 1
mcl16k 16384 33 0 0 5 2 3 3 0
8 0
mcl12k 12288 40 0 0 2 0 2 2 0
8 0
mcl9k 9216 34 0 0 2 0 2 2 0
8 0
mcl8k 8192 17 0 0 3 0 3 3 0
8 0
mcl4k 4096 25 0 0 4 1 3 3 0
8 0
mcl2k2 2112 15 0 0 1 0 1 1 0
8 0
mcl2k 2048 231 0 0 23 9 14 23 0
8 0
mtagpl 80 766 0 0 7 0 7 7 0
8 0
mbufpl 256 1608 0 0 77 0 77 77 0
8 0
bufpl 256 32174 0 25126 441 0 441 441 0
8 0
anonpl 16 1008971 0 987723 296 194 102 104 0 124
13
amapchunkpl 152 62574 0 62382 82 67 15 22 0
158 5
amappl16 192 44354 0 43142 283 216 67 73 0
8 6
amappl15 184 1172 0 1169 1 0 1 1 0
8 0
amappl14 176 1636 0 1635 1 0 1 1 0
8 0
amappl13 168 1041 0 1040 12 11 1 1 0
8 0
amappl12 160 1537 0 1534 2 1 1 1 0
8 0
amappl11 152 671 0 656 1 0 1 1 0
8 0
amappl10 144 1323 0 1317 1 0 1 1 0
8 0
amappl9 136 2222 0 2214 1 0 1 1 0
8 0
amappl8 128 1805 0 1748 2 0 2 2 0
8 0
amappl7 120 1570 0 1561 1 0 1 1 0
8 0
amappl6 112 629 0 617 1 0 1 1 0
8 0
amappl5 104 2139 0 2124 1 0 1 1 0
8 0
amappl4 96 7703 0 7666 1 0 1 1 0
8 0
amappl3 88 3321 0 3308 1 0 1 1 0
8 0
amappl2 80 62310 0 62229 3 1 2 3 0
8 0
amappl1 72 197269 0 196836 25 15 10 20 0
8 0
amappl 80 27651 0 27561 3 0 3 3 0
84 0
dma4096 4096 1 0 1 1 1 0 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 17 0 17 1 1 0 1 0
8 0
aobjpl 64 139 0 10 3 0 3 3 0
8 0
uaddrrnd 24 8401 0 8273 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 8401 0 8273 1 0 1 1 0
8 0
vmmpekpl 168 64461 0 64408 3 0 3 3 0
8 0
vmmpepl 168 1066881 0 1064311 376 220 156 158 0 357
35
vmsppl 368 8288 0 8273 2 0 2 2 0
8 0
pdppl 4096 16809 0 16691 24 8 16 16 0
8 1
pvpl 32 2576776 0 2554694 512 295 217 221 0 265
30
pmappl 232 8400 0 8306 7 1 6 6 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 875 0 140 22 0 22 22 0
8 0
---
This bug 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 bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following crash on:
HEAD commit: fe57de6b struct proc: change ps_start from utc time to upt..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1039a760e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=e893fb0259640a314d06
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+e893fb...@syzkaller.appspotmail.com
panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item
addr 0xfffffd807b0d4900+16 0x0!=0x2f5cdb7efd40db0e
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*442350 98639 0 0 0x4000000 1 syz-executor.0
173391 99433 0 0x2 0x4000480 0 syz-fuzzer
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
pool_cache_item_magic_check sys/kern/subr_pool.c:1789 [inline]
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
sys/kern/subr_pool.c:1892
pool_get() at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8063d30700,a8d4,5a0,2) at m_copym+0x174 m_get
sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8063d30700,a8d4,5a0,2) at m_copym+0x174
sys/kern/uipc_mbuf.c:667
ip_fragment(fffffd8063d30700,ffff8000001732a8,5b4) at ip_fragment+0x324
ip_output(fffffd8063d30700,0,fffffd806f6cc070,20,0,fffffd806f6cc000) at
ip_output+0xfc1 sys/netinet/ip_output.c:501
rip_output(fffffd8063d30700,fffffd80633d17a0,ffff800023bddb98,ffff800021b82000)
at
rip_output+0x252 sys/netinet/raw_ip.c:289
rip_usrreq(fffffd80633d17a0,9,fffffd8063d30700,0,0,ffff800020abf3e8) at
rip_usrreq+0x46a sys/netinet/raw_ip.c:538
sosend(fffffd80633d17a0,0,ffff800023bddd00,0,0,0) at sosend+0x645
sys/kern/uipc_socket.c:524
sendit(ffff800020abf3e8,7,ffff800023bddde0,0,ffff800023bddec0) at
sendit+0x52b sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800020abf3e8,ffff800023bdde78,ffff800023bddec0) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff800023bddf40) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800023bddf40) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(0,0,ffffffffffffffd7,0,6,4da8f0a1010) at Xsyscall+0x128
end of kernel
end trace frame: 0x4dcdda5eb50, count: 1
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
pool_cache_item_magic_check: mbufpl cpu free list modified: item addr
0xfffffd807b0d4900+16 0x0!=0x2f5cdb7efd40db0e
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
pool_cache_item_magic_check sys/kern/subr_pool.c:1789 [inline]
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
sys/kern/subr_pool.c:1892
pool_get() at pool_get+0x91 sys/kern/subr_pool.c:572
m_copym(fffffd8063d30700,a8d4,5a0,2) at m_copym+0x174 m_get
sys/kern/uipc_mbuf.c:250 [inline]
m_copym(fffffd8063d30700,a8d4,5a0,2) at m_copym+0x174
sys/kern/uipc_mbuf.c:667
ip_fragment(fffffd8063d30700,ffff8000001732a8,5b4) at ip_fragment+0x324
ip_output(fffffd8063d30700,0,fffffd806f6cc070,20,0,fffffd806f6cc000) at
ip_output+0xfc1 sys/netinet/ip_output.c:501
rip_output(fffffd8063d30700,fffffd80633d17a0,ffff800023bddb98,ffff800021b82000)
at
rip_output+0x252 sys/netinet/raw_ip.c:289
rip_usrreq(fffffd80633d17a0,9,fffffd8063d30700,0,0,ffff800020abf3e8) at
rip_usrreq+0x46a sys/netinet/raw_ip.c:538
sosend(fffffd80633d17a0,0,ffff800023bddd00,0,0,0) at sosend+0x645
sys/kern/uipc_socket.c:524
sendit(ffff800020abf3e8,7,ffff800023bddde0,0,ffff800023bddec0) at
sendit+0x52b sys/kern/uipc_syscalls.c:662
sys_sendto(ffff800020abf3e8,ffff800023bdde78,ffff800023bddec0) at
sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
syscall(ffff800023bddf40) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800023bddf40) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(0,0,ffffffffffffffd7,0,6,4da8f0a1010) at Xsyscall+0x128
end of kernel
end trace frame: 0x4dcdda5eb50, count: -14
ddb{1}> show registers
rdi 0xffffffff81c952f7 db_enter+0x17
rsi 0x6bb8 __ALIGN_SIZE+0x5bb8
rbp 0xffff800023bdd6c0
rbx 0xffff800023bdd770
rdx 0x6bb9 __ALIGN_SIZE+0x5bb9
rcx 0xffff800021b82000
rax 0xffff800021b82000
r8 0xffffffff8199ba8f kprintf+0x16f
r9 0x1
r10 0x25
r11 0x13cae093011f2a5f
r12 0x3000000008
r13 0xffff800023bdd6d0
r14 0x100
r15 0x1
rip 0xffffffff81c952f8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800023bdd6b0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.0) pid=442350 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020abec80,0xffffffff8263f188
process=0xffff800020add500 user=0xffff800023bd8000,
vmspace=0xfffffd807f00b450
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
98639 19380 68618 0 2 0 syz-executor.0
*98639 442350 68618 0 7 0x4000000 syz-executor.0
68618 84179 99433 0 2 0x482 syz-executor.0
29954 321882 99433 0 2 0x2 syz-executor.1
52061 56055 0 0 3 0x14200 acct acct
10129 286585 1 0 3 0x100083 ttyin getty
23112 82099 0 0 3 0x14200 bored sosplice
99433 103183 7735 0 3 0x82 thrsleep syz-fuzzer
99433 308349 7735 0 3 0x4000082 nanosleep syz-fuzzer
99433 139306 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 173391 7735 0 7 0x4000482 syz-fuzzer
99433 171009 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 18402 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 397708 7735 0 3 0x4000082 kqread syz-fuzzer
99433 282357 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 383030 7735 0 3 0x4000082 thrsleep syz-fuzzer
99433 402591 7735 0 3 0x4000082 thrsleep syz-fuzzer
7735 450945 64343 0 3 0x10008a pause ksh
64343 98323 49815 0 3 0x92 select sshd
49815 342955 1 0 3 0x80 select sshd
15686 49368 71343 74 3 0x100092 bpf pflogd
71343 162311 1 0 3 0x80 netio pflogd
62369 170021 34225 73 3 0x100090 kqread syslogd
34225 488098 1 0 3 0x100082 netio syslogd
82656 13930 1 77 3 0x100090 poll dhclient
49342 336613 1 0 3 0x80 poll dhclient
1218 419926 0 0 2 0x14200 zerothread
98002 238416 0 0 3 0x14200 aiodoned aiodoned
80892 406153 0 0 3 0x14200 syncer update
12895 9189 0 0 3 0x14200 cleaner cleaner
71101 162819 0 0 3 0x14200 reaper reaper
44340 42146 0 0 3 0x14200 pgdaemon pagedaemon
31607 225994 0 0 3 0x14200 bored crynlk
13614 101359 0 0 3 0x14200 bored crypto
55331 141023 0 0 3 0x40014200 acpi0 acpi0
46382 150683 0 0 3 0x40014200 idle1
30829 180549 0 0 3 0x14200 bored softnet
92865 522348 0 0 3 0x14200 bored systqmp
16632 483131 0 0 3 0x14200 bored systq
88499 50948 0 0 3 0x40014200 bored softclock
46298 305370 0 0 3 0x40014200 idle0
93720 366484 0 0 3 0x14200 bored smr
1 219302 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 98639 (syz-executor.0) thread 0xffff800020abf3e8 (442350)
exclusive rwlock netlock r = 0 (0xffffffff824d0138)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 solock+0x5a sys/kern/uipc_socket2.c:282
#2 sosend+0x51b sys/kern/uipc_socket.c:512
#3 sendit+0x52b sys/kern/uipc_syscalls.c:662
#4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527
#5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#6 Xsyscall+0x128
Process 29954 (syz-executor.1) thread 0xffff800020abfb50 (321882)
exclusive rrwlock inode r = 0 (0xfffffd80714f13d8)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 rw_enter+0x447 sys/kern/kern_rwlock.c:306
#2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435
#3 VOP_LOCK+0xf0 sys/kern/vfs_vops.c:615
#4 vn_lock+0x81 sys/kern/vfs_vnops.c:574
#5 vget+0x1c3 sys/kern/vfs_subr.c:672
#6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1323
#8 ufs_lookup+0x14b4 sys/ufs/ufs/ufs_lookup.c:487
#9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:91
#10 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568
#11 namei+0x63c sys/kern/vfs_lookup.c:249
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1785
#13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8072cdaa28)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 rw_enter+0x447 sys/kern/kern_rwlock.c:306
#2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435
#3 VOP_LOCK+0xf0 sys/kern/vfs_vops.c:615
#4 vn_lock+0x81 sys/kern/vfs_vnops.c:574
#5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419
#6 namei+0x63c sys/kern/vfs_lookup.c:249
#7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1785
#8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline]
#8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9633 6491K 9224K 78643K 56049 0 0
pcb 13 12K 14K 78643K 1696 0 0
rtable 123 14K 16K 78643K 5554 0 0
ifaddr 105 27K 29K 78643K 1616 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1985 0 0
iov 0 0K 32K 78643K 1543 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1235 78K 78K 78643K 14163 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 9K 78643K 132 0 0
VM map 81 40K 41K 78643K 114 0 0
sem 12 0K 1K 78643K 3525 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 5 13K 25K 78643K 8264 0 0
sigio 0 0K 0K 78643K 121 0 0
proc 62 63K 95K 78643K 3779 0 0
subproc 32 2K 2K 78643K 1054 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ip_moptions 0 0K 1K 78643K 898 0 0
in_multi 30 1K 2K 78643K 1108 0 0
ether_multi 1 0K 0K 78643K 101 0 0
mrt 1 0K 0K 78643K 52 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 120 530K 530K 78643K 120 0 0
exec 0 0K 1K 78643K 1801 0 0
pfkey data 0 0K 4K 78643K 6 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 246 683K 685K 78643K 30126 0 0
UVM aobj 130 4K 4K 78643K 140 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
ip6_options 0 0K 2K 78643K 1794 0 0
NDP 24 0K 1K 78643K 508 0 0
temp 258 3565K 4209K 78643K 415549 0 0
kqueue 0 0K 0K 78643K 50 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 204 0 197 1 0 1 1 0
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 796 0 794 1 0 1 1 0
8 0
rtentry 112 967 0 924 2 0 2 2 0
8 0
unpcb 120 4422 0 4407 8 7 1 2 0
8 0
syncache 264 44 0 44 21 21 0 1 0
8 0
sackhl 24 3 0 3 2 2 0 1 0
8 0
tcpqe 32 70 0 70 11 11 0 1 0
8 0
tcpcb 544 3786 0 3782 51 50 1 13 0
8 0
inpcb 280 11386 0 11377 54 52 2 13 0
8 1
rttmr 72 18 0 17 3 2 1 1 0
8 0
ip6q 72 3 0 3 3 3 0 1 0
8 0
ip6af 40 5 0 5 2 2 0 1 0
8 0
nd6 48 144 0 142 2 1 1 1 0
8 0
pkpcb 40 53 0 53 16 16 0 1 0
8 0
swfcl 56 2 0 0 1 0 1 1 0
8 0
ppxss 1128 236 0 236 22 21 1 1 0
8 1
pffrag 232 217 0 214 16 15 1 1 0
482 0
pffrnode 88 200 0 198 16 15 1 1 0
8 0
pffrent 40 7314 0 7311 17 16 1 2 0
8 0
pfosfp 40 846 0 423 5 0 5 5 0
8 0
pfosfpen 112 1428 0 714 21 0 21 21 0
8 0
pfstitem 24 739 0 677 1 0 1 1 0
8 0
pfstkey 112 739 0 677 4 1 3 3 0
8 1
pfstate 328 739 0 677 12 6 6 9 0
8 0
pfrule 1360 21 0 16 2 1 1 2 0
8 0
art_heap8 4096 3 0 2 3 2 1 2 0
8 0
art_heap4 256 3929 0 3684 40 22 18 20 0
8 2
art_table 32 3932 0 3686 7 4 3 3 0
8 0
art_node 16 963 0 923 1 0 1 1 0
8 0
sysvmsgpl 40 23 0 17 2 1 1 1 0
8 0
semupl 112 1 0 1 1 1 0 1 0
8 0
semapl 112 3523 0 3513 1 0 1 1 0
8 0
shmpl 112 138 0 10 4 0 4 4 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 14795 0 13351 47 0 47 47 0
8 0
ffsino 272 14795 0 13351 97 0 97 97 0
8 0
nchpl 144 27828 0 27354 61 40 21 61 0
8 0
uvmvnodes 72 6450 0 0 118 0 118 118 0
8 0
vnodes 208 6450 0 0 340 0 340 340 0
8 0
namei 1024 106755 0 106755 3 2 1 1 0
8 1
percpumem 16 30 0 0 1 0 1 1 0
8 0
vcpupl 1984 79 0 0 10 0 10 10 0
8 0
vmpool 552 112 0 33 8 2 6 6 0
8 0
scsiplug 64 11 0 11 9 9 0 1 0
8 0
scxspl 192 86379 0 86379 63 60 3 7 0
8 3
plimitpl 152 647 0 639 1 0 1 1 0
8 0
sigapl 432 8288 0 8273 6 4 2 3 0
8 0
futexpl 56 206177 0 206177 2 1 1 1 0
8 1
knotepl 112 2811 0 2792 13 12 1 3 0
8 0
kqueuepl 104 2892 0 2890 16 15 1 4 0
8 0
pipepl 112 4822 0 4803 15 14 1 2 0
8 0
fdescpl 488 8289 0 8273 3 0 3 3 0
8 0
filepl 152 76399 0 76296 77 71 6 14 0
8 2
lockfpl 104 2832 0 2831 1 0 1 1 0
8 0
lockfspl 48 1003 0 1002 1 0 1 1 0
8 0
sessionpl 112 82 0 71 1 0 1 1 0
8 0
pgrppl 48 162 0 151 1 0 1 1 0
8 0
ucredpl 96 12491 0 12481 1 0 1 1 0
8 0
zombiepl 144 8282 0 8282 3 2 1 1 0
8 1
processpl 896 8315 0 8282 6 2 4 5 0
8 0
procpl 632 26292 0 26249 6 1 5 5 0
8 0
srpgc 64 88 0 88 25 25 0 1 0
8 0
sosppl 128 138 0 138 25 24 1 1 0
8 1
sockpl 384 16770 0 16744 90 86 4 22 0
8 0
mcl64k 65536 817 0 0 95 41 54 65 0
8 1
mcl16k 16384 33 0 0 5 2 3 3 0
8 0
mcl12k 12288 40 0 0 2 0 2 2 0
8 0
mcl9k 9216 34 0 0 2 0 2 2 0
8 0
mcl8k 8192 17 0 0 3 0 3 3 0
8 0
mcl4k 4096 25 0 0 4 1 3 3 0
8 0
mcl2k2 2112 15 0 0 1 0 1 1 0
8 0
mcl2k 2048 231 0 0 23 9 14 23 0
8 0
mtagpl 80 766 0 0 7 0 7 7 0
8 0
mbufpl 256 1608 0 0 77 0 77 77 0
8 0
bufpl 256 32174 0 25126 441 0 441 441 0
8 0
anonpl 16 1008971 0 987723 296 194 102 104 0 124
13
amapchunkpl 152 62574 0 62382 82 67 15 22 0
158 5
amappl16 192 44354 0 43142 283 216 67 73 0
8 6
amappl15 184 1172 0 1169 1 0 1 1 0
8 0
amappl14 176 1636 0 1635 1 0 1 1 0
8 0
amappl13 168 1041 0 1040 12 11 1 1 0
8 0
amappl12 160 1537 0 1534 2 1 1 1 0
8 0
amappl11 152 671 0 656 1 0 1 1 0
8 0
amappl10 144 1323 0 1317 1 0 1 1 0
8 0
amappl9 136 2222 0 2214 1 0 1 1 0
8 0
amappl8 128 1805 0 1748 2 0 2 2 0
8 0
amappl7 120 1570 0 1561 1 0 1 1 0
8 0
amappl6 112 629 0 617 1 0 1 1 0
8 0
amappl5 104 2139 0 2124 1 0 1 1 0
8 0
amappl4 96 7703 0 7666 1 0 1 1 0
8 0
amappl3 88 3321 0 3308 1 0 1 1 0
8 0
amappl2 80 62310 0 62229 3 1 2 3 0
8 0
amappl1 72 197269 0 196836 25 15 10 20 0
8 0
amappl 80 27651 0 27561 3 0 3 3 0
84 0
dma4096 4096 1 0 1 1 1 0 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 17 0 17 1 1 0 1 0
8 0
aobjpl 64 139 0 10 3 0 3 3 0
8 0
uaddrrnd 24 8401 0 8273 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 8401 0 8273 1 0 1 1 0
8 0
vmmpekpl 168 64461 0 64408 3 0 3 3 0
8 0
vmmpepl 168 1066881 0 1064311 376 220 156 158 0 357
35
vmsppl 368 8288 0 8273 2 0 2 2 0
8 0
pdppl 4096 16809 0 16691 24 8 16 16 0
8 1
pvpl 32 2576776 0 2554694 512 295 217 221 0 265
30
pmappl 232 8400 0 8306 7 1 6 6 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 875 0 140 22 0 22 22 0
8 0
---
This bug 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 bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
Oct 23, 2019, 7:59:06 AM10/23/19
to syzkaller-o...@googlegroups.com
syzbot has found a reproducer for the following crash on:
HEAD commit: fe57de6b struct proc: change ps_start from utc time to upt..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=117639ff600000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+e893fb...@syzkaller.appspotmail.com
login: panic: pool_cache_item_magic_check: mbufpl cpu free list modified:
item addr 0xfffffd806f210200+16 0x0!=0x2f67ccf3599c757c
379204 40418 73 0x100010 0x80 0 syslogd
m_getuio(ffff800020aaaef8,1,100000,ffff800020aaafe0) at m_getuio+0xe4
sys/kern/uipc_socket.c:556
sosend(fffffd806e984a88,0,ffff800020aaafe0,0,0,0) at sosend+0x510
sys/kern/uipc_socket.c:511
dosendsyslog(ffff800020ac0288,7f7ffffcfcc0,3d,0,0) at dosendsyslog+0x2b8
sys/kern/subr_log.c:521
sys_sendsyslog() at sys_sendsyslog+0x13e sys/kern/subr_log.c:441
syscall(ffff800020aab240) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020aab240) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,70,3d,70,1fee,1297f6d86038) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd2240, count: 4
m_getuio(ffff800020aaaef8,1,100000,ffff800020aaafe0) at m_getuio+0xe4
sys/kern/uipc_socket.c:556
sosend(fffffd806e984a88,0,ffff800020aaafe0,0,0,0) at sosend+0x510
sys/kern/uipc_socket.c:511
dosendsyslog(ffff800020ac0288,7f7ffffcfcc0,3d,0,0) at dosendsyslog+0x2b8
sys/kern/subr_log.c:521
sys_sendsyslog() at sys_sendsyslog+0x13e sys/kern/subr_log.c:441
syscall(ffff800020aab240) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020aab240) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,70,3d,70,1fee,1297f6d86038) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd2240, count: -11
rbp 0xffff800020aaac30
rbx 0xffff800020aaace0
rdx 0x8b
rcx 0x2
rax 0x1
r11 0x4a84937c0288bb34
r12 0x3000000008
r13 0xffff800020aaac40
flags process=100012<EXEC,SUGID,PLEDGE> proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff800020ac1158,0xffff800020ac13e0
process=0xffff800020add180 user=0xffff800020aa6000,
vmspace=0xfffffd806e7e2a18
estcpu=0, cpticks=1, pctcpu=0.0
86785 265574 99851 0 3 0x82 thrsleep syz-execprog
86785 237337 99851 0 3 0x4000082 nanosleep syz-execprog
86785 394839 99851 0 3 0x4000082 thrsleep syz-execprog
86785 273816 99851 0 3 0x4000082 thrsleep syz-execprog
86785 513932 99851 0 3 0x4000082 thrsleep syz-execprog
86785 340034 99851 0 3 0x4000082 nanosleep syz-execprog
86785 101458 99851 0 3 0x4000082 thrsleep syz-execprog
86785 442519 99851 0 3 0x4000082 thrsleep syz-execprog
86785 93517 99851 0 3 0x4000082 kqread syz-execprog
99851 472394 70352 0 3 0x10008a pause ksh
70352 81647 95867 0 3 0x92 select sshd
78761 338160 1 0 3 0x100083 ttyin getty
95867 310565 1 0 3 0x80 select sshd
*81678 486970 46386 74 7 0x100012 pflogd
46386 99604 1 0 3 0x80 netio pflogd
40418 379204 74497 73 7 0x100090 syslogd
74497 393790 1 0 3 0x100082 netio syslogd
67909 454877 1 77 3 0x100090 poll dhclient
50120 372336 1 0 3 0x80 poll dhclient
52253 322543 0 0 3 0x14200 pgzero zerothread
62281 366202 0 0 3 0x14200 aiodoned aiodoned
30627 408835 0 0 3 0x14200 syncer update
16797 328569 0 0 3 0x14200 cleaner cleaner
33416 255592 0 0 3 0x14200 reaper reaper
90857 491394 0 0 3 0x14200 pgdaemon pagedaemon
78569 52461 0 0 3 0x14200 bored crynlk
13960 216779 0 0 3 0x14200 bored crypto
36140 234997 0 0 3 0x40014200 acpi0 acpi0
74881 275961 0 0 3 0x40014200 idle1
52620 502293 0 0 3 0x14200 bored softnet
33037 118286 0 0 3 0x14200 bored systqmp
69239 197798 0 0 3 0x14200 bored systq
75125 24093 0 0 3 0x40014200 bored softclock
20434 245161 0 0 3 0x40014200 idle0
26708 278998 0 0 3 0x14200 bored smr
1 66475 0 0 3 0x82 wait init
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82668f60)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555
#2 Xsyscall+0x128
pcb 13 8K 8K 78643K 13 0 0
rtable 77 2K 2K 78643K 165 0 0
ifaddr 32 9K 9K 78643K 50 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 2 0K 0K 78643K 2 0 0
proc 59 63K 83K 78643K 384 0 0
ether_multi 1 0K 0K 78643K 1 0 0
exec 0 0K 1K 78643K 199 0 0
UVM aobj 2 2K 2K 78643K 2 0 0
temp 48 3546K 3610K 78643K 3371 0 0
8 0
rtentry 112 34 0 4 1 0 1 1 0
8 0
unpcb 120 29 0 19 1 0 1 1 0
8 0
syncache 264 5 0 5 2 1 1 1 0
8 1
tcpcb 544 8 0 5 1 0 1 1 0
8 0
inpcb 280 51 0 45 1 0 1 1 0
8 0
nd6 48 2 0 0 1 0 1 1 0
8 0
8 0
pfstkey 112 10 0 2 1 0 1 1 0
8 0
pfstate 328 10 0 2 1 0 1 1 0
8 0
8 0
art_heap4 256 168 0 2 11 0 11 11 0
8 0
art_table 32 169 0 2 2 0 2 2 0
8 0
art_node 16 33 0 6 1 0 1 1 0
8 0
8 0
ffsino 272 1439 0 37 94 0 94 94 0
8 0
nchpl 144 1695 0 84 60 0 60 60 0
8 0
uvmvnodes 72 1449 0 0 27 0 27 27 0
8 0
vnodes 208 1449 0 0 77 0 77 77 0
8 0
namei 1024 4210 0 4210 2 1 1 1 0
8 1
8 1
plimitpl 152 15 0 8 1 0 1 1 0
8 0
sigapl 432 243 0 230 2 0 2 2 0
8 0
knotepl 112 39 0 28 1 0 1 1 0
8 0
kqueuepl 104 2 0 0 1 0 1 1 0
8 0
pipepl 112 154 0 141 2 1 1 1 0
8 0
fdescpl 488 244 0 230 3 0 3 3 0
8 0
filepl 152 1155 0 1097 3 0 3 3 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 112 19 0 9 1 0 1 1 0
8 0
pgrppl 48 19 0 9 1 0 1 1 0
8 0
ucredpl 96 52 0 43 1 0 1 1 0
8 0
zombiepl 144 230 0 229 2 1 1 1 0
8 0
processpl 896 259 0 229 4 0 4 4 0
8 0
procpl 632 267 0 229 4 0 4 4 0
8 0
sockpl 384 97 0 79 2 0 2 2 0
8 0
mcl4k 4096 2 0 0 1 0 1 1 0
8 0
mcl2k 2048 56 0 0 7 0 7 7 0
8 0
mtagpl 80 1 0 0 1 0 1 1 0
8 0
mbufpl 256 99 0 0 6 0 6 6 0
8 0
bufpl 256 5904 0 1315 287 0 287 287 0
8 0
anonpl 16 22703 0 21040 14 1 13 13 0
124 6
amapchunkpl 152 826 0 761 5 0 5 5 0
158 1
amappl16 192 203 0 166 3 0 3 3 0
8 1
amappl15 184 37 0 35 1 0 1 1 0
8 0
amappl14 176 27 0 24 2 1 1 1 0
8 0
amappl12 160 5 0 4 2 1 1 1 0
8 0
amappl11 152 57 0 41 1 0 1 1 0
8 0
amappl10 144 15 0 12 1 0 1 1 0
8 0
amappl9 136 462 0 456 1 0 1 1 0
8 0
amappl8 128 130 0 119 1 0 1 1 0
8 0
amappl7 120 36 0 32 1 0 1 1 0
8 0
amappl6 112 79 0 69 1 0 1 1 0
8 0
amappl5 104 123 0 109 1 0 1 1 0
8 0
amappl4 96 513 0 484 1 0 1 1 0
8 0
amappl3 88 114 0 109 1 0 1 1 0
8 0
amappl2 80 999 0 938 3 0 3 3 0
8 1
amappl1 72 15197 0 14784 26 8 18 20 0
8 8
amappl 80 494 0 466 1 0 1 1 0
8 0
uaddrrnd 24 244 0 230 1 0 1 1 0
8 0
vmmpekpl 168 6439 0 6415 3 1 2 2 0
8 0
vmmpepl 168 33213 0 32290 93 13 80 80 0 357
38
vmsppl 368 243 0 230 2 0 2 2 0
8 0
pdppl 4096 495 0 460 6 0 6 6 0
8 1
pvpl 32 114159 0 110114 115 0 115 115 0 265
81
pmappl 232 243 0 230 1 0 1 1 0
8 0
8 0
HEAD commit: fe57de6b struct proc: change ps_start from utc time to upt..
git tree: openbsd
kernel config: https://syzkaller.appspot.com/x/.config?x=26ca0a9c07f16a3a
dashboard link: https://syzkaller.appspot.com/bug?extid=e893fb0259640a314d06
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1415952f600000
dashboard link: https://syzkaller.appspot.com/bug?extid=e893fb0259640a314d06
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+e893fb...@syzkaller.appspotmail.com
item addr 0xfffffd806f210200+16 0x0!=0x2f67ccf3599c757c
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*486970 81678 74 0x100012 0 1K pflogd
TID PID UID PRFLAGS PFLAGS CPU COMMAND
379204 40418 73 0x100010 0x80 0 syslogd
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
pool_cache_item_magic_check sys/kern/subr_pool.c:1789 [inline]
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
sys/kern/subr_pool.c:1892
pool_get() at pool_get+0x91 sys/kern/subr_pool.c:572
m_gethdr(1,1) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
pool_cache_item_magic_check sys/kern/subr_pool.c:1789 [inline]
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
sys/kern/subr_pool.c:1892
pool_get() at pool_get+0x91 sys/kern/subr_pool.c:572
m_getuio(ffff800020aaaef8,1,100000,ffff800020aaafe0) at m_getuio+0xe4
sys/kern/uipc_socket.c:556
sosend(fffffd806e984a88,0,ffff800020aaafe0,0,0,0) at sosend+0x510
sys/kern/uipc_socket.c:511
dosendsyslog(ffff800020ac0288,7f7ffffcfcc0,3d,0,0) at dosendsyslog+0x2b8
sys/kern/subr_log.c:521
sys_sendsyslog() at sys_sendsyslog+0x13e sys/kern/subr_log.c:441
syscall(ffff800020aab240) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020aab240) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,70,3d,70,1fee,1297f6d86038) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd2240, 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{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
pool_cache_item_magic_check: mbufpl cpu free list modified: item addr
0xfffffd806f210200+16 0x0!=0x2f67ccf3599c757c
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
pool_cache_item_magic_check: mbufpl cpu free list modified: item addr
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
pool_cache_item_magic_check sys/kern/subr_pool.c:1789 [inline]
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
sys/kern/subr_pool.c:1892
pool_get() at pool_get+0x91 sys/kern/subr_pool.c:572
m_gethdr(1,1) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
pool_cache_item_magic_check sys/kern/subr_pool.c:1789 [inline]
pool_cache_get(ffffffff826411d0) at pool_cache_get+0x323
sys/kern/subr_pool.c:1892
pool_get() at pool_get+0x91 sys/kern/subr_pool.c:572
m_getuio(ffff800020aaaef8,1,100000,ffff800020aaafe0) at m_getuio+0xe4
sys/kern/uipc_socket.c:556
sosend(fffffd806e984a88,0,ffff800020aaafe0,0,0,0) at sosend+0x510
sys/kern/uipc_socket.c:511
dosendsyslog(ffff800020ac0288,7f7ffffcfcc0,3d,0,0) at dosendsyslog+0x2b8
sys/kern/subr_log.c:521
sys_sendsyslog() at sys_sendsyslog+0x13e sys/kern/subr_log.c:441
syscall(ffff800020aab240) at syscall+0x4a4 mi_syscall
sys/sys/syscall_mi.h:92 [inline]
syscall(ffff800020aab240) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,70,3d,70,1fee,1297f6d86038) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd2240, count: -11
ddb{1}> show registers
rdi 0
rsi 0x1
rdi 0
rbp 0xffff800020aaac30
rbx 0xffff800020aaace0
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff8199ba8f kprintf+0x16f
r9 0x1
r10 0x4ec635e45dd00746
r9 0x1
r11 0x4a84937c0288bb34
r12 0x3000000008
r13 0xffff800020aaac40
r14 0x100
r15 0x1
rip 0xffffffff81c952f8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020aaac20
r15 0x1
rip 0xffffffff81c952f8 db_enter+0x18
cs 0x8
rflags 0x246
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (pflogd) pid=486970 stat=onproc
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
flags process=100012<EXEC,SUGID,PLEDGE> proc=0
pri=50, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff800020ac1158,0xffff800020ac13e0
process=0xffff800020add180 user=0xffff800020aa6000,
vmspace=0xfffffd806e7e2a18
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
1645 490789 86785 0 3 0x82 nanosleep syz-executor.0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
86785 265574 99851 0 3 0x82 thrsleep syz-execprog
86785 237337 99851 0 3 0x4000082 nanosleep syz-execprog
86785 394839 99851 0 3 0x4000082 thrsleep syz-execprog
86785 273816 99851 0 3 0x4000082 thrsleep syz-execprog
86785 513932 99851 0 3 0x4000082 thrsleep syz-execprog
86785 340034 99851 0 3 0x4000082 nanosleep syz-execprog
86785 101458 99851 0 3 0x4000082 thrsleep syz-execprog
86785 442519 99851 0 3 0x4000082 thrsleep syz-execprog
86785 93517 99851 0 3 0x4000082 kqread syz-execprog
99851 472394 70352 0 3 0x10008a pause ksh
70352 81647 95867 0 3 0x92 select sshd
78761 338160 1 0 3 0x100083 ttyin getty
95867 310565 1 0 3 0x80 select sshd
*81678 486970 46386 74 7 0x100012 pflogd
46386 99604 1 0 3 0x80 netio pflogd
40418 379204 74497 73 7 0x100090 syslogd
74497 393790 1 0 3 0x100082 netio syslogd
67909 454877 1 77 3 0x100090 poll dhclient
50120 372336 1 0 3 0x80 poll dhclient
52253 322543 0 0 3 0x14200 pgzero zerothread
62281 366202 0 0 3 0x14200 aiodoned aiodoned
30627 408835 0 0 3 0x14200 syncer update
16797 328569 0 0 3 0x14200 cleaner cleaner
33416 255592 0 0 3 0x14200 reaper reaper
90857 491394 0 0 3 0x14200 pgdaemon pagedaemon
78569 52461 0 0 3 0x14200 bored crynlk
13960 216779 0 0 3 0x14200 bored crypto
36140 234997 0 0 3 0x40014200 acpi0 acpi0
74881 275961 0 0 3 0x40014200 idle1
52620 502293 0 0 3 0x14200 bored softnet
33037 118286 0 0 3 0x14200 bored systqmp
69239 197798 0 0 3 0x14200 bored systq
75125 24093 0 0 3 0x40014200 bored softclock
20434 245161 0 0 3 0x40014200 idle0
26708 278998 0 0 3 0x14200 bored smr
1 66475 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 81678 (pflogd) thread 0xffff800020ac0288 (486970)
ddb{1}> show all locks
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82668f60)
#0 witness_lock+0x52e sys/kern/subr_witness.c:1163
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555
#2 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
devbuf 9457 6385K 6385K 78643K 10544 0 0
Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim
pcb 13 8K 8K 78643K 13 0 0
rtable 77 2K 2K 78643K 165 0 0
ifaddr 32 9K 9K 78643K 50 0 0
counters 39 33K 33K 78643K 39 0 0
ioctlops 0 0K 4K 78643K 1468 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1181 74K 74K 78643K 1186 0 0
UFS quota 1 32K 32K 78643K 1 0 0
UFS mount 5 36K 36K 78643K 5 0 0
shm 2 1K 1K 78643K 2 0 0
UFS mount 5 36K 36K 78643K 5 0 0
VM map 2 1K 1K 78643K 2 0 0
sem 2 0K 0K 78643K 2 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
file desc 2 4K 12K 78643K 35 0 0
ACPI 1808 196K 290K 78643K 12765 0 0
proc 59 63K 83K 78643K 384 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
in_multi 22 1K 1K 78643K 22 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
ether_multi 1 0K 0K 78643K 1 0 0
ISOFS mount 1 32K 32K 78643K 1 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
ttys 18 79K 79K 78643K 18 0 0
MSDOSFS mount 1 16K 16K 78643K 1 0 0
exec 0 0K 1K 78643K 199 0 0
pagedep 1 8K 8K 78643K 1 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM amap 75 12K 12K 78643K 976 0 0
inodedep 1 32K 32K 78643K 1 0 0
newblk 1 0K 0K 78643K 1 0 0
VM swap 7 26K 26K 78643K 7 0 0
UVM aobj 2 2K 2K 78643K 2 0 0
memdesc 1 4K 4K 78643K 1 0 0
crypto data 1 1K 1K 78643K 1 0 0
NDP 7 0K 0K 78643K 7 0 0
crypto data 1 1K 1K 78643K 1 0 0
temp 48 3546K 3610K 78643K 3371 0 0
SYN cache 2 16K 16K 78643K 2 0 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
arp 64 4 0 1 1 0 1 1 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg
Idle
8 0
plcache 128 20 0 0 1 0 1 1 0
8 0
rtpcb 80 17 0 15 1 0 1 1 0
plcache 128 20 0 0 1 0 1 1 0
8 0
8 0
rtentry 112 34 0 4 1 0 1 1 0
8 0
unpcb 120 29 0 19 1 0 1 1 0
8 0
syncache 264 5 0 5 2 1 1 1 0
8 1
tcpcb 544 8 0 5 1 0 1 1 0
8 0
inpcb 280 51 0 45 1 0 1 1 0
8 0
nd6 48 2 0 0 1 0 1 1 0
8 0
pfosfp 40 846 0 423 5 0 5 5 0
8 0
pfosfpen 112 1428 0 714 21 0 21 21 0
8 0
pfstitem 24 10 0 2 1 0 1 1 0
8 0
pfosfpen 112 1428 0 714 21 0 21 21 0
8 0
8 0
pfstkey 112 10 0 2 1 0 1 1 0
8 0
pfstate 328 10 0 2 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
8 0
art_heap4 256 168 0 2 11 0 11 11 0
8 0
art_table 32 169 0 2 2 0 2 2 0
8 0
art_node 16 33 0 6 1 0 1 1 0
8 0
dirhash 1024 17 0 0 3 0 3 3 0
8 0
dino1pl 128 1439 0 37 46 0 46 46 0
8 0
8 0
ffsino 272 1439 0 37 94 0 94 94 0
8 0
nchpl 144 1695 0 84 60 0 60 60 0
8 0
uvmvnodes 72 1449 0 0 27 0 27 27 0
8 0
vnodes 208 1449 0 0 77 0 77 77 0
8 0
namei 1024 4210 0 4210 2 1 1 1 0
8 1
percpumem 16 30 0 0 1 0 1 1 0
8 0
scxspl 192 4329 0 4329 10 9 1 7 0
8 0
8 1
plimitpl 152 15 0 8 1 0 1 1 0
8 0
sigapl 432 243 0 230 2 0 2 2 0
8 0
knotepl 112 39 0 28 1 0 1 1 0
8 0
kqueuepl 104 2 0 0 1 0 1 1 0
8 0
pipepl 112 154 0 141 2 1 1 1 0
8 0
fdescpl 488 244 0 230 3 0 3 3 0
8 0
filepl 152 1155 0 1097 3 0 3 3 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 112 19 0 9 1 0 1 1 0
8 0
pgrppl 48 19 0 9 1 0 1 1 0
8 0
ucredpl 96 52 0 43 1 0 1 1 0
8 0
zombiepl 144 230 0 229 2 1 1 1 0
8 0
processpl 896 259 0 229 4 0 4 4 0
8 0
procpl 632 267 0 229 4 0 4 4 0
8 0
sockpl 384 97 0 79 2 0 2 2 0
8 0
mcl4k 4096 2 0 0 1 0 1 1 0
8 0
mcl2k 2048 56 0 0 7 0 7 7 0
8 0
mtagpl 80 1 0 0 1 0 1 1 0
8 0
mbufpl 256 99 0 0 6 0 6 6 0
8 0
bufpl 256 5904 0 1315 287 0 287 287 0
8 0
anonpl 16 22703 0 21040 14 1 13 13 0
124 6
amapchunkpl 152 826 0 761 5 0 5 5 0
158 1
amappl16 192 203 0 166 3 0 3 3 0
8 1
amappl15 184 37 0 35 1 0 1 1 0
8 0
amappl14 176 27 0 24 2 1 1 1 0
8 0
amappl12 160 5 0 4 2 1 1 1 0
8 0
amappl11 152 57 0 41 1 0 1 1 0
8 0
amappl10 144 15 0 12 1 0 1 1 0
8 0
amappl9 136 462 0 456 1 0 1 1 0
8 0
amappl8 128 130 0 119 1 0 1 1 0
8 0
amappl7 120 36 0 32 1 0 1 1 0
8 0
amappl6 112 79 0 69 1 0 1 1 0
8 0
amappl5 104 123 0 109 1 0 1 1 0
8 0
amappl4 96 513 0 484 1 0 1 1 0
8 0
amappl3 88 114 0 109 1 0 1 1 0
8 0
amappl2 80 999 0 938 3 0 3 3 0
8 1
amappl1 72 15197 0 14784 26 8 18 20 0
8 8
amappl 80 494 0 466 1 0 1 1 0
84 0
dma4096 4096 1 0 1 1 1 0 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 17 0 17 1 1 0 1 0
8 0
aobjpl 64 1 0 0 1 0 1 1 0
dma4096 4096 1 0 1 1 1 0 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 17 0 17 1 1 0 1 0
8 0
8 0
uaddrrnd 24 244 0 230 1 0 1 1 0
8 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
uaddr 24 244 0 230 1 0 1 1 0
uaddrbest 32 2 0 0 1 0 1 1 0
8 0
8 0
vmmpekpl 168 6439 0 6415 3 1 2 2 0
8 0
vmmpepl 168 33213 0 32290 93 13 80 80 0 357
38
vmsppl 368 243 0 230 2 0 2 2 0
8 0
pdppl 4096 495 0 460 6 0 6 6 0
8 1
pvpl 32 114159 0 110114 115 0 115 115 0 265
81
pmappl 232 243 0 230 1 0 1 1 0
8 0
extentpl 40 41 0 26 1 0 1 1 0
8 0
phpool 112 425 0 4 13 0 13 13 0
8 0
8 0
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