assert "pg->wire_count == NUM" failed in vfs_biomem.c (4)
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syzbot
Feb 3, 2025, 4:20:20 AM2/3/25
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: db5d28f093d6 Bump kcov buffer size limit
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=126d1764580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=dd8036e7d80ffea95d03
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/daa0f9ba3aa0/disk-db5d28f0.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/da471e678042/bsd-db5d28f0.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/fca6ec5e4a2d/kernel-db5d28f0.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+dd8036...@syzkaller.appspotmail.com
panic: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 78083 36953 0 0 0x4000000 1K syz-executor
51993 62533 0 0 0 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83151ce5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8310856b,ffffffff830aa156,136,ffffffff8308f24a) at __assert+0x29
buf_free_pages(fffffd807992c8d8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd807992c8d8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd807992c8d8) at buf_put+0x1dc sys/kern/vfs_bio.c:127
brelse(fffffd807992c8d8) at brelse+0x395 sys/kern/vfs_bio.c:936
vinvalbuf(fffffd8064c7a7a8,2,ffffffffffffffff,ffff80002a44dbf0,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2043
ffs_truncate(fffffd806df41470,0,0,ffffffffffffffff) at ffs_truncate+0xf6c
ufs_inactive(ffff80002a4ae5a8) at ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd8064c7a7a8,ffff80002a44dbf0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vrele(fffffd8064c7a7a8) at vrele+0x129 sys/kern/vfs_subr.c:845
ktrsettrace(ffff80002a424b60,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
ktrops(ffff80002a44dbf0,ffff80002a424b60,0,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrops+0x271 sys/kern/kern_ktrace.c:573
end trace frame: 0xffff80002a4ae810, count: 0
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83151ce5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8310856b,ffffffff830aa156,136,ffffffff8308f24a) at __assert+0x29
buf_free_pages(fffffd807992c8d8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd807992c8d8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd807992c8d8) at buf_put+0x1dc sys/kern/vfs_bio.c:127
brelse(fffffd807992c8d8) at brelse+0x395 sys/kern/vfs_bio.c:936
vinvalbuf(fffffd8064c7a7a8,2,ffffffffffffffff,ffff80002a44dbf0,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2043
ffs_truncate(fffffd806df41470,0,0,ffffffffffffffff) at ffs_truncate+0xf6c
ufs_inactive(ffff80002a4ae5a8) at ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd8064c7a7a8,ffff80002a44dbf0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vrele(fffffd8064c7a7a8) at vrele+0x129 sys/kern/vfs_subr.c:845
ktrsettrace(ffff80002a424b60,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
ktrops(ffff80002a44dbf0,ffff80002a424b60,0,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrops+0x271 sys/kern/kern_ktrace.c:573
doktrace(fffffd8079533440,4,20001410,0,ffff80002a44dbf0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd8079533440,4,20001410,0,ffff80002a44dbf0) at doktrace+0x6dd sys/kern/kern_ktrace.c:517
sys_ktrace(ffff80002a44dbf0,ffff80002a4aea10,ffff80002a4ae960) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff80002a4aea10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a4aea10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x52b63837dd0, count: -18
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a4ae0a0
rbx 0xffff800029b5cdc7
rdx 0xffff80000129d3c0
rcx 0xffff80002a44dbf0
rax 0xffff800029b5bff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x9ae6ab44b60bc289
r11 0x8c725ab8df59c9b5
r12 0xffff800029b5cbc8
r13 0
r14 0
r15 0x1
rip 0xffffffff81bee6b5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a4ae090
ss 0
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=78083 pid=36953 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=17, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000ffffb6d8,0xffff80002a44cf58
process=0xffff80002a3c66c8 user=0xffff80002a4a9000, vmspace=0xfffffd806be2d1e8
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
36953 356522 47865 0 2 0 syz-executor
*36953 78083 47865 0 7 0x4000000 syz-executor
62533 51993 92165 0 7 0 syz-executor
62533 138587 92165 0 3 0x4000080 fsleep syz-executor
62533 15575 92165 0 2 0x4000000 syz-executor
14779 318198 27868 0 2 0x2 syz-executor
87559 1163 79775 0 2 0x100000 sh
31160 496169 94030 0 2 0x100000 sh
95812 139463 54695 0 2 0 syz-executor
95812 354286 54695 0 3 0x4000080 fsleep syz-executor
94030 464569 79873 0 3 0x10008a sigsusp sh
79775 152509 2738 0 3 0x10008a sigsusp sh
94131 283998 66711 0 2 0 syz-executor
94131 218339 66711 0 3 0x4000080 fsleep syz-executor
94131 180029 66711 0 3 0x4000080 fsleep syz-executor
94131 464593 66711 0 3 0x4000080 fsleep syz-executor
2738 370496 27868 0 3 0x82 wait syz-executor
79873 149964 27868 0 3 0x82 wait syz-executor
54695 32859 27868 0 3 0x82 nanoslp syz-executor
66711 389958 27868 0 3 0x82 nanoslp syz-executor
47865 505631 27868 0 3 0x82 nanoslp syz-executor
92165 345584 27868 0 3 0x82 nanoslp syz-executor
20658 411659 0 0 3 0x14280 nfsidl nfsio
61859 364069 0 0 3 0x14280 nfsidl nfsio
62036 85908 0 0 3 0x14280 nfsidl nfsio
49627 279854 0 0 3 0x14280 nfsidl nfsio
51565 304435 0 0 3 0x14280 nfsidl nfsio
62454 181964 0 0 3 0x14280 nfsidl nfsio
43174 35621 0 0 3 0x14280 nfsidl nfsio
49633 71717 0 0 3 0x14280 nfsidl nfsio
30943 395148 0 0 3 0x14280 nfsidl nfsio
9965 230153 0 0 3 0x14280 nfsidl nfsio
26121 164621 0 0 3 0x14280 nfsidl nfsio
25168 477136 0 0 3 0x14280 nfsidl nfsio
43287 77130 0 0 3 0x14280 nfsidl nfsio
26312 308983 0 0 3 0x14280 nfsidl nfsio
45613 32104 0 0 3 0x14280 nfsidl nfsio
74813 333860 0 0 3 0x14280 nfsidl nfsio
87293 130049 0 0 3 0x14280 nfsidl nfsio
20222 198960 0 0 3 0x14280 nfsidl nfsio
30045 456144 0 0 3 0x14280 nfsidl nfsio
75626 197233 0 0 3 0x14280 nfsidl nfsio
7468 285697 1 0 3 0x100083 ttyopn getty
54993 268779 0 0 3 0x14200 bored sosplice
98704 476867 0 0 3 0x14200 acct acct
27868 210063 88480 0 2 0x2 syz-executor
88480 206580 49485 0 3 0x10008a sigsusp ksh
49485 166150 68865 0 3 0x98 kqread sshd-session
68865 39157 61770 0 3 0x92 kqread sshd-session
61770 33323 1 0 3 0x88 kqread sshd
39220 484376 42442 74 3 0x1100092 bpf pflogd
42442 164418 1 0 3 0x80 sbwait pflogd
97547 429866 18166 73 2 0x1100010 syslogd
18166 125016 1 0 3 0x100082 sbwait syslogd
81619 343118 1 0 3 0x100080 kqread resolvd
96107 287515 84892 77 3 0x100092 kqread dhcpleased
90542 27936 84892 77 3 0x100092 kqread dhcpleased
84892 178068 1 0 3 0x80 kqread dhcpleased
7964 129129 0 0 3 0x14200 bored smr
27240 59221 0 0 2 0x14200 zerothread
39532 237712 0 0 3 0x14200 aiodoned aiodoned
66265 371870 0 0 3 0x14200 syncer update
5841 374368 0 0 3 0x14200 cleaner cleaner
9322 56402 0 0 3 0x14200 reaper reaper
93756 235221 0 0 3 0x14200 pgdaemon pagedaemon
47189 401750 0 0 3 0x14200 bored viomb
31051 426425 0 0 3 0x40014200 acpi0 acpi0
78981 157062 0 0 3 0x40014200 idle1
11821 523916 0 0 3 0x14200 bored softnet3
68176 187311 0 0 3 0x14200 bored softnet2
5252 483818 0 0 3 0x14200 bored softnet1
51754 108145 0 0 3 0x14200 bored softnet0
63962 136077 0 0 3 0x14200 bored systqmp
59885 411188 0 0 3 0x14200 bored systq
34967 486921 0 0 3 0x14200 tmoslp softclockmp
42403 165345 0 0 3 0x40014200 tmoslp softclock
41211 413626 0 0 3 0x40014200 idle0
1 51268 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 36953 (syz-executor) thread 0xffff80002a44dbf0 (78083)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8365d108)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 __mp_acquire_count+0x58
#2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3 sleep_finish+0x24f sys/kern/kern_synch.c:414
#4 biowait+0xc1 sys/kern/vfs_bio.c:1246
#5 bwrite+0x2e5 sys/kern/vfs_bio.c:758
#6 ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111
#7 ffs_truncate+0xcb6
#8 ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
#9 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
#10 vrele+0x129 sys/kern/vfs_subr.c:845
#11 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
#12 ktrops+0x271 sys/kern/kern_ktrace.c:573
#13 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
#13 doktrace+0x6dd sys/kern/kern_ktrace.c:517
#14 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
#15 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#15 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#16 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806df41510)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vrele+0xd0 sys/kern/vfs_subr.c:836
#6 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
#7 ktrops+0x271 sys/kern/kern_ktrace.c:573
#8 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
#8 doktrace+0x6dd sys/kern/kern_ktrace.c:517
#9 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
#10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10199 11100K 11371K 166960K 12018 0
pcb 17 14K 14K 166960K 143 0
rtable 130 5K 8K 166960K 627 0
pf 30 16K 19K 166960K 84 0
ifaddr 29 4K 8K 166960K 84 0
ifgroup 47 2K 2K 166960K 109 0
sysctl 4 1K 1K 166960K 4 0
counters 60 35K 37K 166960K 92 0
ioctlops 0 0K 4K 166960K 1611 0
iov 0 0K 20K 166960K 31 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1322 83K 84K 166960K 1866 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 5 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 97 0
dirhash 12 2K 2K 166960K 27 0
ACPI 1690 195K 286K 166960K 12468 0
file desc 17 61K 97K 166960K 861 0
sigio 0 0K 0K 166960K 78 0
proc 72 91K 128K 166960K 748 0
subproc 56 3K 4K 166960K 227 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 54 0
in_multi 48 3K 7K 166960K 191 0
ether_multi 1 0K 0K 166960K 3 0
mrt 0 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 85 387K 387K 166960K 85 0
exec 0 0K 1K 166960K 548 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 200 55K 78K 166960K 8996 0
UVM aobj 7 2K 2K 166960K 7 0
pinsyscall 42 84K 106K 166960K 2102 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 16 0
NDP 12 0K 2K 166960K 57 0
temp 44 6893K 7150K 166960K 24880 0
kqueue 13 20K 28K 166960K 119 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 87 0 84 1 0 1 1 0 8 0
rtentry 112 218 0 163 4 0 4 4 0 8 2
unpcb 144 731 0 713 2 1 1 2 0 8 0
syncache 336 6 0 6 3 3 0 1 0 8 0
tcpcb 808 151 0 147 2 1 1 2 0 8 0
arp 120 44 0 31 1 0 1 1 0 8 0
inpcb 376 663 0 656 7 5 2 5 0 8 1
nd6 136 40 0 31 1 0 1 1 0 8 0
pkpcb 40 1 0 1 1 1 0 1 0 8 0
kcovpl 48 25 0 19 1 0 1 1 0 8 0
ppxss 1168 3 0 3 1 1 0 1 0 8 0
pffrag 232 3 0 2 1 0 1 1 0 482 0
pffrnode 88 3 0 2 1 0 1 1 0 8 0
pffrent 40 7 0 6 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
pftag 88 1 0 0 1 0 1 1 0 8 0
pfstitem 24 57 0 34 1 0 1 1 0 8 0
pfstkey 128 57 0 34 2 0 2 2 0 8 0
pfstate 376 57 0 34 5 0 5 5 0 8 1
pfrule 1344 34 0 17 3 1 2 2 0 8 0
art_heap8 4096 3 0 1 3 0 3 3 0 8 1
art_heap4 256 766 0 527 29 5 24 29 0 8 6
art_table 32 769 0 528 4 0 4 4 0 8 0
art_node 16 215 0 166 1 0 1 1 0 8 0
sysvmsgpl 40 18 0 11 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 95 0 85 1 0 1 1 0 8 0
shmpl 112 4 0 0 1 0 1 1 0 8 0
dirhash 1024 27 0 10 3 0 3 3 0 8 0
dino2pl 256 2633 0 1108 96 0 96 96 0 8 0
ffsino 280 2633 0 1108 109 0 109 109 0 8 0
nchpl 144 3664 0 1958 64 0 64 64 0 8 0
uvmvnodes 80 3073 0 0 63 0 63 63 0 8 0
vnodes 216 3073 0 0 171 0 171 171 0 8 0
namei 1024 12373 0 12373 5 4 1 2 0 8 1
percpumem 16 60 0 16 1 0 1 1 0 8 0
kstatmem 264 52 0 32 3 1 2 3 0 8 0
scxspl 216 16840 0 16840 10 9 1 8 1 8 1
plimitpl 152 144 0 127 1 0 1 1 0 8 0
sigapl 424 1151 0 1079 10 1 9 9 0 8 0
futexpl 64 8821 0 8816 3 2 1 1 0 8 0
knotepl 120 529 0 0 17 0 17 17 0 8 0
kqueuepl 216 187 0 178 1 0 1 1 0 8 0
pipepl 328 247 0 220 5 2 3 5 0 8 0
fdescpl 504 1111 0 1080 7 2 5 6 0 8 0
filepl 152 5965 0 5773 12 3 9 12 0 8 0
lockfpl 104 269 0 266 1 0 1 1 0 8 0
lockfspl 48 91 0 88 1 0 1 1 0 8 0
sessionpl 144 43 0 34 1 0 1 1 0 8 0
pgrppl 48 75 0 58 1 0 1 1 0 8 0
ucredpl 104 813 0 799 1 0 1 1 0 8 0
zombiepl 144 1080 0 1079 1 0 1 1 0 8 0
processpl 1168 1151 0 1079 7 1 6 6 0 8 0
procpl 648 2099 0 2020 8 0 8 8 0 8 1
srpgc 96 3 0 3 2 1 1 1 0 8 1
sosppl 168 4 0 4 2 2 0 1 0 8 0
sockpl 688 1487 0 1459 10 6 4 7 0 8 1
mcl64k 65536 6 0 0 1 0 1 1 0 8 0
mcl16k 16384 17 0 0 3 1 2 3 0 8 0
mcl12k 12288 5 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 9 0 0 2 0 2 2 0 8 0
mcl4k 4096 132 0 0 17 0 17 17 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 28 0 0 4 0 4 4 0 8 0
mtagpl 96 17 0 0 1 0 1 1 0 8 0
mbufpl 256 221 0 0 14 0 14 14 0 8 0
bufpl 280 6158 0 142 430 0 430 430 0 8 0
anonpl 24 161543 0 157953 83 4 79 79 0 185 40
amapchunkpl 152 27773 0 27348 33 0 33 33 0 158 16
amappl16 200 3192 0 3177 26 15 11 19 0 8 8
amappl15 192 6 0 6 1 1 0 1 0 8 0
amappl14 184 133 0 121 1 0 1 1 0 8 0
amappl13 176 16 0 16 1 1 0 1 0 8 0
amappl12 168 1852 0 1818 4 1 3 3 0 8 1
amappl11 160 48 0 34 1 0 1 1 0 8 0
amappl10 152 23 0 23 1 1 0 1 0 8 0
amappl9 144 256 0 256 1 1 0 1 0 8 0
amappl8 136 23 0 20 1 0 1 1 0 8 0
amappl7 128 121 0 109 1 0 1 1 0 8 0
amappl6 120 230 0 224 1 0 1 1 0 8 0
amappl5 112 142 0 133 1 0 1 1 0 8 0
amappl4 104 345 0 328 1 0 1 1 0 8 0
amappl3 96 5587 0 5496 4 0 4 4 0 8 0
amappl2 88 738 0 673 2 0 2 2 0 8 0
amappl1 80 10954 0 10378 16 2 14 15 0 8 0
amappl 88 8521 0 8374 5 0 5 5 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 8 0 8 2 2 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 6 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1111 0 1080 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1111 0 1080 1 0 1 1 0 8 0
vmmpekpl 168 10841 0 10784 4 1 3 3 0 8 0
vmmpepl 168 73555 0 71824 101 7 94 95 0 357 10
vmsppl 456 1110 0 1080 5 0 5 5 0 8 1
rwobjpl 64 24914 0 20944 66 0 66 66 0 8 0
pdppl 4096 2229 0 2160 127 56 71 87 0 8 2
pvpl 32 33942 0 0 274 0 274 274 0 265 0
pmappl 248 1110 0 1080 3 0 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 327 0 76 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83549ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8365cf00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8365cf00) at __mp_lock+0x199 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x764e29881d30, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff83549ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8365cf00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8365cf00) at __mp_lock+0x199 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x764e29881d30, count: -6
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83151ce5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8310856b,ffffffff830aa156,136,ffffffff8308f24a) at __assert+0x29
buf_free_pages(fffffd807992c8d8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd807992c8d8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd807992c8d8) at buf_put+0x1dc sys/kern/vfs_bio.c:127
brelse(fffffd807992c8d8) at brelse+0x395 sys/kern/vfs_bio.c:936
vinvalbuf(fffffd8064c7a7a8,2,ffffffffffffffff,ffff80002a44dbf0,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2043
ffs_truncate(fffffd806df41470,0,0,ffffffffffffffff) at ffs_truncate+0xf6c
ufs_inactive(ffff80002a4ae5a8) at ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd8064c7a7a8,ffff80002a44dbf0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vrele(fffffd8064c7a7a8) at vrele+0x129 sys/kern/vfs_subr.c:845
ktrsettrace(ffff80002a424b60,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
ktrops(ffff80002a44dbf0,ffff80002a424b60,0,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrops+0x271 sys/kern/kern_ktrace.c:573
end trace frame: 0xffff80002a4ae810, count: 0
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83151ce5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8310856b,ffffffff830aa156,136,ffffffff8308f24a) at __assert+0x29
buf_free_pages(fffffd807992c8d8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd807992c8d8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd807992c8d8) at buf_put+0x1dc sys/kern/vfs_bio.c:127
brelse(fffffd807992c8d8) at brelse+0x395 sys/kern/vfs_bio.c:936
vinvalbuf(fffffd8064c7a7a8,2,ffffffffffffffff,ffff80002a44dbf0,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2043
ffs_truncate(fffffd806df41470,0,0,ffffffffffffffff) at ffs_truncate+0xf6c
ufs_inactive(ffff80002a4ae5a8) at ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd8064c7a7a8,ffff80002a44dbf0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vrele(fffffd8064c7a7a8) at vrele+0x129 sys/kern/vfs_subr.c:845
ktrsettrace(ffff80002a424b60,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
ktrops(ffff80002a44dbf0,ffff80002a424b60,0,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrops+0x271 sys/kern/kern_ktrace.c:573
doktrace(fffffd8079533440,4,20001410,0,ffff80002a44dbf0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd8079533440,4,20001410,0,ffff80002a44dbf0) at doktrace+0x6dd sys/kern/kern_ktrace.c:517
sys_ktrace(ffff80002a44dbf0,ffff80002a4aea10,ffff80002a4ae960) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff80002a4aea10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a4aea10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x52b63837dd0, count: -18
---
This report is generated by a bot. It may contain errors.
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If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: db5d28f093d6 Bump kcov buffer size limit
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=126d1764580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=dd8036e7d80ffea95d03
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/daa0f9ba3aa0/disk-db5d28f0.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/da471e678042/bsd-db5d28f0.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/fca6ec5e4a2d/kernel-db5d28f0.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+dd8036...@syzkaller.appspotmail.com
panic: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 78083 36953 0 0 0x4000000 1K syz-executor
51993 62533 0 0 0 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83151ce5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8310856b,ffffffff830aa156,136,ffffffff8308f24a) at __assert+0x29
buf_free_pages(fffffd807992c8d8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd807992c8d8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd807992c8d8) at buf_put+0x1dc sys/kern/vfs_bio.c:127
brelse(fffffd807992c8d8) at brelse+0x395 sys/kern/vfs_bio.c:936
vinvalbuf(fffffd8064c7a7a8,2,ffffffffffffffff,ffff80002a44dbf0,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2043
ffs_truncate(fffffd806df41470,0,0,ffffffffffffffff) at ffs_truncate+0xf6c
ufs_inactive(ffff80002a4ae5a8) at ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd8064c7a7a8,ffff80002a44dbf0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vrele(fffffd8064c7a7a8) at vrele+0x129 sys/kern/vfs_subr.c:845
ktrsettrace(ffff80002a424b60,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
ktrops(ffff80002a44dbf0,ffff80002a424b60,0,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrops+0x271 sys/kern/kern_ktrace.c:573
end trace frame: 0xffff80002a4ae810, count: 0
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83151ce5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8310856b,ffffffff830aa156,136,ffffffff8308f24a) at __assert+0x29
buf_free_pages(fffffd807992c8d8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd807992c8d8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd807992c8d8) at buf_put+0x1dc sys/kern/vfs_bio.c:127
brelse(fffffd807992c8d8) at brelse+0x395 sys/kern/vfs_bio.c:936
vinvalbuf(fffffd8064c7a7a8,2,ffffffffffffffff,ffff80002a44dbf0,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2043
ffs_truncate(fffffd806df41470,0,0,ffffffffffffffff) at ffs_truncate+0xf6c
ufs_inactive(ffff80002a4ae5a8) at ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd8064c7a7a8,ffff80002a44dbf0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vrele(fffffd8064c7a7a8) at vrele+0x129 sys/kern/vfs_subr.c:845
ktrsettrace(ffff80002a424b60,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
ktrops(ffff80002a44dbf0,ffff80002a424b60,0,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrops+0x271 sys/kern/kern_ktrace.c:573
doktrace(fffffd8079533440,4,20001410,0,ffff80002a44dbf0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd8079533440,4,20001410,0,ffff80002a44dbf0) at doktrace+0x6dd sys/kern/kern_ktrace.c:517
sys_ktrace(ffff80002a44dbf0,ffff80002a4aea10,ffff80002a4ae960) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff80002a4aea10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a4aea10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x52b63837dd0, count: -18
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a4ae0a0
rbx 0xffff800029b5cdc7
rdx 0xffff80000129d3c0
rcx 0xffff80002a44dbf0
rax 0xffff800029b5bff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x9ae6ab44b60bc289
r11 0x8c725ab8df59c9b5
r12 0xffff800029b5cbc8
r13 0
r14 0
r15 0x1
rip 0xffffffff81bee6b5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a4ae090
ss 0
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=78083 pid=36953 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=17, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000ffffb6d8,0xffff80002a44cf58
process=0xffff80002a3c66c8 user=0xffff80002a4a9000, vmspace=0xfffffd806be2d1e8
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
36953 356522 47865 0 2 0 syz-executor
*36953 78083 47865 0 7 0x4000000 syz-executor
62533 51993 92165 0 7 0 syz-executor
62533 138587 92165 0 3 0x4000080 fsleep syz-executor
62533 15575 92165 0 2 0x4000000 syz-executor
14779 318198 27868 0 2 0x2 syz-executor
87559 1163 79775 0 2 0x100000 sh
31160 496169 94030 0 2 0x100000 sh
95812 139463 54695 0 2 0 syz-executor
95812 354286 54695 0 3 0x4000080 fsleep syz-executor
94030 464569 79873 0 3 0x10008a sigsusp sh
79775 152509 2738 0 3 0x10008a sigsusp sh
94131 283998 66711 0 2 0 syz-executor
94131 218339 66711 0 3 0x4000080 fsleep syz-executor
94131 180029 66711 0 3 0x4000080 fsleep syz-executor
94131 464593 66711 0 3 0x4000080 fsleep syz-executor
2738 370496 27868 0 3 0x82 wait syz-executor
79873 149964 27868 0 3 0x82 wait syz-executor
54695 32859 27868 0 3 0x82 nanoslp syz-executor
66711 389958 27868 0 3 0x82 nanoslp syz-executor
47865 505631 27868 0 3 0x82 nanoslp syz-executor
92165 345584 27868 0 3 0x82 nanoslp syz-executor
20658 411659 0 0 3 0x14280 nfsidl nfsio
61859 364069 0 0 3 0x14280 nfsidl nfsio
62036 85908 0 0 3 0x14280 nfsidl nfsio
49627 279854 0 0 3 0x14280 nfsidl nfsio
51565 304435 0 0 3 0x14280 nfsidl nfsio
62454 181964 0 0 3 0x14280 nfsidl nfsio
43174 35621 0 0 3 0x14280 nfsidl nfsio
49633 71717 0 0 3 0x14280 nfsidl nfsio
30943 395148 0 0 3 0x14280 nfsidl nfsio
9965 230153 0 0 3 0x14280 nfsidl nfsio
26121 164621 0 0 3 0x14280 nfsidl nfsio
25168 477136 0 0 3 0x14280 nfsidl nfsio
43287 77130 0 0 3 0x14280 nfsidl nfsio
26312 308983 0 0 3 0x14280 nfsidl nfsio
45613 32104 0 0 3 0x14280 nfsidl nfsio
74813 333860 0 0 3 0x14280 nfsidl nfsio
87293 130049 0 0 3 0x14280 nfsidl nfsio
20222 198960 0 0 3 0x14280 nfsidl nfsio
30045 456144 0 0 3 0x14280 nfsidl nfsio
75626 197233 0 0 3 0x14280 nfsidl nfsio
7468 285697 1 0 3 0x100083 ttyopn getty
54993 268779 0 0 3 0x14200 bored sosplice
98704 476867 0 0 3 0x14200 acct acct
27868 210063 88480 0 2 0x2 syz-executor
88480 206580 49485 0 3 0x10008a sigsusp ksh
49485 166150 68865 0 3 0x98 kqread sshd-session
68865 39157 61770 0 3 0x92 kqread sshd-session
61770 33323 1 0 3 0x88 kqread sshd
39220 484376 42442 74 3 0x1100092 bpf pflogd
42442 164418 1 0 3 0x80 sbwait pflogd
97547 429866 18166 73 2 0x1100010 syslogd
18166 125016 1 0 3 0x100082 sbwait syslogd
81619 343118 1 0 3 0x100080 kqread resolvd
96107 287515 84892 77 3 0x100092 kqread dhcpleased
90542 27936 84892 77 3 0x100092 kqread dhcpleased
84892 178068 1 0 3 0x80 kqread dhcpleased
7964 129129 0 0 3 0x14200 bored smr
27240 59221 0 0 2 0x14200 zerothread
39532 237712 0 0 3 0x14200 aiodoned aiodoned
66265 371870 0 0 3 0x14200 syncer update
5841 374368 0 0 3 0x14200 cleaner cleaner
9322 56402 0 0 3 0x14200 reaper reaper
93756 235221 0 0 3 0x14200 pgdaemon pagedaemon
47189 401750 0 0 3 0x14200 bored viomb
31051 426425 0 0 3 0x40014200 acpi0 acpi0
78981 157062 0 0 3 0x40014200 idle1
11821 523916 0 0 3 0x14200 bored softnet3
68176 187311 0 0 3 0x14200 bored softnet2
5252 483818 0 0 3 0x14200 bored softnet1
51754 108145 0 0 3 0x14200 bored softnet0
63962 136077 0 0 3 0x14200 bored systqmp
59885 411188 0 0 3 0x14200 bored systq
34967 486921 0 0 3 0x14200 tmoslp softclockmp
42403 165345 0 0 3 0x40014200 tmoslp softclock
41211 413626 0 0 3 0x40014200 idle0
1 51268 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 36953 (syz-executor) thread 0xffff80002a44dbf0 (78083)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8365d108)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 __mp_acquire_count+0x58
#2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441
#3 sleep_finish+0x24f sys/kern/kern_synch.c:414
#4 biowait+0xc1 sys/kern/vfs_bio.c:1246
#5 bwrite+0x2e5 sys/kern/vfs_bio.c:758
#6 ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111
#7 ffs_truncate+0xcb6
#8 ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
#9 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
#10 vrele+0x129 sys/kern/vfs_subr.c:845
#11 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
#12 ktrops+0x271 sys/kern/kern_ktrace.c:573
#13 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
#13 doktrace+0x6dd sys/kern/kern_ktrace.c:517
#14 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
#15 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#15 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#16 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806df41510)
#0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5bb sys/kern/subr_witness.c:1155
#1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616
#3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vrele+0xd0 sys/kern/vfs_subr.c:836
#6 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
#7 ktrops+0x271 sys/kern/kern_ktrace.c:573
#8 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
#8 doktrace+0x6dd sys/kern/kern_ktrace.c:517
#9 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
#10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10199 11100K 11371K 166960K 12018 0
pcb 17 14K 14K 166960K 143 0
rtable 130 5K 8K 166960K 627 0
pf 30 16K 19K 166960K 84 0
ifaddr 29 4K 8K 166960K 84 0
ifgroup 47 2K 2K 166960K 109 0
sysctl 4 1K 1K 166960K 4 0
counters 60 35K 37K 166960K 92 0
ioctlops 0 0K 4K 166960K 1611 0
iov 0 0K 20K 166960K 31 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1322 83K 84K 166960K 1866 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 5 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 97 0
dirhash 12 2K 2K 166960K 27 0
ACPI 1690 195K 286K 166960K 12468 0
file desc 17 61K 97K 166960K 861 0
sigio 0 0K 0K 166960K 78 0
proc 72 91K 128K 166960K 748 0
subproc 56 3K 4K 166960K 227 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 54 0
in_multi 48 3K 7K 166960K 191 0
ether_multi 1 0K 0K 166960K 3 0
mrt 0 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 85 387K 387K 166960K 85 0
exec 0 0K 1K 166960K 548 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 200 55K 78K 166960K 8996 0
UVM aobj 7 2K 2K 166960K 7 0
pinsyscall 42 84K 106K 166960K 2102 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 16 0
NDP 12 0K 2K 166960K 57 0
temp 44 6893K 7150K 166960K 24880 0
kqueue 13 20K 28K 166960K 119 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 24 0 0 1 0 1 1 0 8 0
rtpcb 120 87 0 84 1 0 1 1 0 8 0
rtentry 112 218 0 163 4 0 4 4 0 8 2
unpcb 144 731 0 713 2 1 1 2 0 8 0
syncache 336 6 0 6 3 3 0 1 0 8 0
tcpcb 808 151 0 147 2 1 1 2 0 8 0
arp 120 44 0 31 1 0 1 1 0 8 0
inpcb 376 663 0 656 7 5 2 5 0 8 1
nd6 136 40 0 31 1 0 1 1 0 8 0
pkpcb 40 1 0 1 1 1 0 1 0 8 0
kcovpl 48 25 0 19 1 0 1 1 0 8 0
ppxss 1168 3 0 3 1 1 0 1 0 8 0
pffrag 232 3 0 2 1 0 1 1 0 482 0
pffrnode 88 3 0 2 1 0 1 1 0 8 0
pffrent 40 7 0 6 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
pftag 88 1 0 0 1 0 1 1 0 8 0
pfstitem 24 57 0 34 1 0 1 1 0 8 0
pfstkey 128 57 0 34 2 0 2 2 0 8 0
pfstate 376 57 0 34 5 0 5 5 0 8 1
pfrule 1344 34 0 17 3 1 2 2 0 8 0
art_heap8 4096 3 0 1 3 0 3 3 0 8 1
art_heap4 256 766 0 527 29 5 24 29 0 8 6
art_table 32 769 0 528 4 0 4 4 0 8 0
art_node 16 215 0 166 1 0 1 1 0 8 0
sysvmsgpl 40 18 0 11 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 95 0 85 1 0 1 1 0 8 0
shmpl 112 4 0 0 1 0 1 1 0 8 0
dirhash 1024 27 0 10 3 0 3 3 0 8 0
dino2pl 256 2633 0 1108 96 0 96 96 0 8 0
ffsino 280 2633 0 1108 109 0 109 109 0 8 0
nchpl 144 3664 0 1958 64 0 64 64 0 8 0
uvmvnodes 80 3073 0 0 63 0 63 63 0 8 0
vnodes 216 3073 0 0 171 0 171 171 0 8 0
namei 1024 12373 0 12373 5 4 1 2 0 8 1
percpumem 16 60 0 16 1 0 1 1 0 8 0
kstatmem 264 52 0 32 3 1 2 3 0 8 0
scxspl 216 16840 0 16840 10 9 1 8 1 8 1
plimitpl 152 144 0 127 1 0 1 1 0 8 0
sigapl 424 1151 0 1079 10 1 9 9 0 8 0
futexpl 64 8821 0 8816 3 2 1 1 0 8 0
knotepl 120 529 0 0 17 0 17 17 0 8 0
kqueuepl 216 187 0 178 1 0 1 1 0 8 0
pipepl 328 247 0 220 5 2 3 5 0 8 0
fdescpl 504 1111 0 1080 7 2 5 6 0 8 0
filepl 152 5965 0 5773 12 3 9 12 0 8 0
lockfpl 104 269 0 266 1 0 1 1 0 8 0
lockfspl 48 91 0 88 1 0 1 1 0 8 0
sessionpl 144 43 0 34 1 0 1 1 0 8 0
pgrppl 48 75 0 58 1 0 1 1 0 8 0
ucredpl 104 813 0 799 1 0 1 1 0 8 0
zombiepl 144 1080 0 1079 1 0 1 1 0 8 0
processpl 1168 1151 0 1079 7 1 6 6 0 8 0
procpl 648 2099 0 2020 8 0 8 8 0 8 1
srpgc 96 3 0 3 2 1 1 1 0 8 1
sosppl 168 4 0 4 2 2 0 1 0 8 0
sockpl 688 1487 0 1459 10 6 4 7 0 8 1
mcl64k 65536 6 0 0 1 0 1 1 0 8 0
mcl16k 16384 17 0 0 3 1 2 3 0 8 0
mcl12k 12288 5 0 0 1 0 1 1 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 9 0 0 2 0 2 2 0 8 0
mcl4k 4096 132 0 0 17 0 17 17 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 28 0 0 4 0 4 4 0 8 0
mtagpl 96 17 0 0 1 0 1 1 0 8 0
mbufpl 256 221 0 0 14 0 14 14 0 8 0
bufpl 280 6158 0 142 430 0 430 430 0 8 0
anonpl 24 161543 0 157953 83 4 79 79 0 185 40
amapchunkpl 152 27773 0 27348 33 0 33 33 0 158 16
amappl16 200 3192 0 3177 26 15 11 19 0 8 8
amappl15 192 6 0 6 1 1 0 1 0 8 0
amappl14 184 133 0 121 1 0 1 1 0 8 0
amappl13 176 16 0 16 1 1 0 1 0 8 0
amappl12 168 1852 0 1818 4 1 3 3 0 8 1
amappl11 160 48 0 34 1 0 1 1 0 8 0
amappl10 152 23 0 23 1 1 0 1 0 8 0
amappl9 144 256 0 256 1 1 0 1 0 8 0
amappl8 136 23 0 20 1 0 1 1 0 8 0
amappl7 128 121 0 109 1 0 1 1 0 8 0
amappl6 120 230 0 224 1 0 1 1 0 8 0
amappl5 112 142 0 133 1 0 1 1 0 8 0
amappl4 104 345 0 328 1 0 1 1 0 8 0
amappl3 96 5587 0 5496 4 0 4 4 0 8 0
amappl2 88 738 0 673 2 0 2 2 0 8 0
amappl1 80 10954 0 10378 16 2 14 15 0 8 0
amappl 88 8521 0 8374 5 0 5 5 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 8 0 8 2 2 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 6 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1111 0 1080 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1111 0 1080 1 0 1 1 0 8 0
vmmpekpl 168 10841 0 10784 4 1 3 3 0 8 0
vmmpepl 168 73555 0 71824 101 7 94 95 0 357 10
vmsppl 456 1110 0 1080 5 0 5 5 0 8 1
rwobjpl 64 24914 0 20944 66 0 66 66 0 8 0
pdppl 4096 2229 0 2160 127 56 71 87 0 8 2
pvpl 32 33942 0 0 274 0 274 274 0 265 0
pmappl 248 1110 0 1080 3 0 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 327 0 76 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83549ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8365cf00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8365cf00) at __mp_lock+0x199 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x764e29881d30, count: 9
ddb{0}> trace
x86_ipi_db(ffffffff83549ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff8365cf00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff8365cf00) at __mp_lock+0x199 sys/kern/kern_lock.c:144
softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x764e29881d30, count: -6
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x25: addq $0x8,%rsp
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83151ce5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8310856b,ffffffff830aa156,136,ffffffff8308f24a) at __assert+0x29
buf_free_pages(fffffd807992c8d8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd807992c8d8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd807992c8d8) at buf_put+0x1dc sys/kern/vfs_bio.c:127
brelse(fffffd807992c8d8) at brelse+0x395 sys/kern/vfs_bio.c:936
vinvalbuf(fffffd8064c7a7a8,2,ffffffffffffffff,ffff80002a44dbf0,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2043
ffs_truncate(fffffd806df41470,0,0,ffffffffffffffff) at ffs_truncate+0xf6c
ufs_inactive(ffff80002a4ae5a8) at ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd8064c7a7a8,ffff80002a44dbf0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vrele(fffffd8064c7a7a8) at vrele+0x129 sys/kern/vfs_subr.c:845
ktrsettrace(ffff80002a424b60,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
ktrops(ffff80002a44dbf0,ffff80002a424b60,0,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrops+0x271 sys/kern/kern_ktrace.c:573
end trace frame: 0xffff80002a4ae810, count: 0
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff83151ce5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff8310856b,ffffffff830aa156,136,ffffffff8308f24a) at __assert+0x29
buf_free_pages(fffffd807992c8d8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd807992c8d8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179
buf_put(fffffd807992c8d8) at buf_put+0x1dc sys/kern/vfs_bio.c:127
brelse(fffffd807992c8d8) at brelse+0x395 sys/kern/vfs_bio.c:936
vinvalbuf(fffffd8064c7a7a8,2,ffffffffffffffff,ffff80002a44dbf0,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2043
ffs_truncate(fffffd806df41470,0,0,ffffffffffffffff) at ffs_truncate+0xf6c
ufs_inactive(ffff80002a4ae5a8) at ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd8064c7a7a8,ffff80002a44dbf0) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495
vrele(fffffd8064c7a7a8) at vrele+0x129 sys/kern/vfs_subr.c:845
ktrsettrace(ffff80002a424b60,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122
ktrops(ffff80002a44dbf0,ffff80002a424b60,0,a0001410,fffffd8079533440,fffffd807f7d3548) at ktrops+0x271 sys/kern/kern_ktrace.c:573
doktrace(fffffd8079533440,4,20001410,0,ffff80002a44dbf0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline]
doktrace(fffffd8079533440,4,20001410,0,ffff80002a44dbf0) at doktrace+0x6dd sys/kern/kern_ktrace.c:517
sys_ktrace(ffff80002a44dbf0,ffff80002a4aea10,ffff80002a4ae960) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558
syscall(ffff80002a4aea10) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a4aea10) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x52b63837dd0, count: -18
---
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syzbot
May 4, 2025, 9:09:29 PM5/4/25
to syzkaller-o...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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