assert "next != NULL && next->start <= entry->end" failed in uvm_fault.c (5)
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syzbot
May 19, 2025, 9:41:30 PM5/19/25
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 03d4002980cf allow comments, to be used with bsd.re-config..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14dba1f4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=bcdac25d28da916ff365
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6662ddf58383/disk-03d40029.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/decce0620e5f/bsd-03d40029.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9c891aba60e1/kernel-03d40029.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bcdac2...@syzkaller.appspotmail.com
login: panic: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1806
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
520623 19733 0 0x2000 0x4080000 0 syz-executor
*157694 2631 0 0 0x4000000 1 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8345e9c5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83409527,ffffffff833a2923,70e,ffffffff833a295c) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806d1023d0,200000000000,200000002000) at uvm_fault_unwire_locked+0x434 sys/uvm/uvm_fault.c:1803
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline]
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748
uvm_vslock_device(ffff80003a07ad10,200000000040,10000,3,ffff80003a096ce0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:175
physio(ffffffff8170af10,d02,8000,ffffffff8170b770,ffff80003a096f98) at physio+0x277 sys/kern/kern_physio.c:139
spec_read(ffff80003a096e00) at spec_read+0x155 sys/kern/spec_vnops.c:215
VOP_READ(fffffd807b680290,ffff80003a096f98,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8064706228,ffff80003a096f98,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003a07ad10,3,ffff80003a096f98,1,ffff80003a097050) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_pread(ffff80003a07ad10,ffff80003a097100,ffff80003a097050) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303
syscall(ffff80003a097100) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a097100) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1844fce07a0, 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
*cpu1: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1806
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8345e9c5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83409527,ffffffff833a2923,70e,ffffffff833a295c) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806d1023d0,200000000000,200000002000) at uvm_fault_unwire_locked+0x434 sys/uvm/uvm_fault.c:1803
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline]
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748
uvm_vslock_device(ffff80003a07ad10,200000000040,10000,3,ffff80003a096ce0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:175
physio(ffffffff8170af10,d02,8000,ffffffff8170b770,ffff80003a096f98) at physio+0x277 sys/kern/kern_physio.c:139
spec_read(ffff80003a096e00) at spec_read+0x155 sys/kern/spec_vnops.c:215
VOP_READ(fffffd807b680290,ffff80003a096f98,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8064706228,ffff80003a096f98,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003a07ad10,3,ffff80003a096f98,1,ffff80003a097050) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_pread(ffff80003a07ad10,ffff80003a097100,ffff80003a097050) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303
syscall(ffff80003a097100) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a097100) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1844fce07a0, count: -14
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003a0969f0
rbx 0xffff8000299dedd7
rdx 0
rcx 0xffff80003a07ad10
rax 0xffff8000299ddff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xb38496418c51a60d
r11 0x512b4dbc3fc94dda
r12 0xffff8000299debd8
r13 0
r14 0
r15 0x1
rip 0xffffffff83296a45 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003a0969e0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=157694 pid=2631 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=36, usrpri=80, slppri=36, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003a07b4c0,0xffff80003a07a570
process=0xffff8000fffe4020 user=0xffff80003a092000, vmspace=0xfffffd806d1023d0
estcpu=30, cpticks=7, pctcpu=0.1, user=0, sys=9, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
19733 19661 41987 0 4 0x82000 syz-executor
19733 100551 41987 0 4 0x4082000 syz-executor
19733 520623 41987 0 7 0x4082000 syz-executor
19733 428705 41987 0 3 0x4002000 suspend syz-executor
9631 106866 54633 0 2 0 syz-executor
9631 114205 54633 0 3 0x4000080 fsleep syz-executor
9631 388309 54633 0 3 0x4000080 fsleep syz-executor
9631 472396 54633 0 3 0x4000080 fsleep syz-executor
49953 417907 17818 0 2 0 syz-executor
49953 349905 17818 0 3 0x4000080 ttyin syz-executor
2631 98163 25598 0 3 0 vmmaplk syz-executor
* 2631 157694 25598 0 7 0x4000000 syz-executor
2631 389230 25598 0 3 0x4000080 pipewr syz-executor
2631 66671 25598 0 3 0x4000080 fsleep syz-executor
81811 476889 1 0 3 0x100083 ttyin getty
60829 184850 42948 0 2 0x2 syz-executor
17818 197582 42948 0 3 0x82 nanoslp syz-executor
99780 247417 0 0 3 0x14280 nfsidl nfsio
11826 4921 0 0 3 0x14280 nfsidl nfsio
69241 8814 0 0 3 0x14280 nfsidl nfsio
36955 243357 0 0 3 0x14280 nfsidl nfsio
70437 34427 0 0 3 0x14280 nfsidl nfsio
80278 136489 0 0 3 0x14280 nfsidl nfsio
70755 185596 0 0 3 0x14280 nfsidl nfsio
11194 167640 0 0 3 0x14280 nfsidl nfsio
68024 47392 0 0 3 0x14280 nfsidl nfsio
27159 391120 0 0 3 0x14280 nfsidl nfsio
76541 214144 0 0 3 0x14280 nfsidl nfsio
22819 35065 0 0 3 0x14280 nfsidl nfsio
53488 519891 0 0 3 0x14280 nfsidl nfsio
83230 480046 0 0 3 0x14280 nfsidl nfsio
72641 129859 0 0 3 0x14280 nfsidl nfsio
75997 33530 0 0 3 0x14280 nfsidl nfsio
61686 216041 0 0 3 0x14280 nfsidl nfsio
66867 451686 0 0 3 0x14280 nfsidl nfsio
4660 159271 0 0 3 0x14280 nfsidl nfsio
82607 106089 0 0 3 0x14280 nfsidl nfsio
54633 196294 42948 0 3 0x82 nanoslp syz-executor
2965 201437 0 0 3 0x14200 acct acct
46565 145405 0 0 3 0x14200 bored sosplice
39279 1992 2135 0 3 0x100082 sbwait arp
2135 410449 79135 0 3 0x10008a sigsusp sh
25598 77428 42948 0 3 0x82 nanoslp syz-executor
79135 22229 42948 0 3 0x82 wait syz-executor
41987 165263 42948 0 3 0x82 nanoslp syz-executor
61180 275878 42948 0 3 0x82 nanoslp syz-executor
89285 228602 42948 0 3 0x2 biowait syz-executor
42948 77458 63416 0 3 0x82 kqread syz-executor
63416 477692 70932 0 3 0x10008a sigsusp ksh
70932 111340 55703 0 3 0x98 kqread sshd-session
55703 398756 1491 0 3 0x92 kqread sshd-session
1491 270698 1 0 3 0x88 kqread sshd
37502 500268 1692 74 3 0x1100092 bpf pflogd
1692 366909 1 0 3 0x80 sbwait pflogd
98620 337378 33578 73 3 0x1100090 kqread syslogd
33578 505239 1 0 3 0x100082 sbwait syslogd
47745 459289 1 0 3 0x100080 kqread resolvd
641 446987 87688 77 3 0x100092 kqread dhcpleased
99444 385662 87688 77 3 0x100092 kqread dhcpleased
87688 200108 1 0 3 0x80 kqread dhcpleased
18668 357842 0 0 3 0x14200 bored smr
67195 325284 0 0 2 0x14200 zerothread
80094 231843 0 0 3 0x14200 aiodoned aiodoned
42214 441297 0 0 3 0x14200 syncer update
10253 147306 0 0 3 0x14200 cleaner cleaner
89937 340510 0 0 3 0x14200 reaper reaper
19100 18645 0 0 3 0x14200 pgdaemon pagedaemon
42664 485824 0 0 3 0x14200 bored viomb
49191 301430 0 0 3 0x40014200 acpi0 acpi0
13229 302782 0 0 3 0x40014200 idle1
45666 222942 0 0 3 0x14200 bored softnet3
90922 265962 0 0 3 0x14200 bored softnet2
75511 366587 0 0 3 0x14200 bored softnet1
18817 382347 0 0 3 0x14200 bored softnet0
58523 401363 0 0 3 0x14200 bored systqmp
39373 511996 0 0 3 0x14200 bored systq
97894 392500 0 0 3 0x14200 tmoslp softclockmp
56508 44739 0 0 3 0x40014200 tmoslp softclock
92059 52396 0 0 3 0x40014200 idle0
1 162490 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
Process 2631 (syz-executor) thread 0xffff80003a07ad10 (157694)
Process 89285 (syz-executor) thread 0xffff8000ffff2010 (228602)
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10231 11102K 11827K 166960K 13307 0
pcb 18 16K 21K 166960K 327 0
rtable 184 9K 10K 166960K 523 0
pf 30 16K 81K 166960K 123 0
ifaddr 34 6K 7K 166960K 99 0
ifgroup 47 2K 2K 166960K 155 0
sysctl 3 1K 9K 166960K 20 0
counters 64 36K 37K 166960K 182 0
ioctlops 0 0K 4K 166960K 1829 0
iov 0 0K 24K 166960K 58 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1459 92K 92K 166960K 2581 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 4 9K 9K 166960K 24 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 36 0
dirhash 12 2K 2K 166960K 36 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 240K 166960K 1124 0
sigio 0 0K 0K 166960K 21 0
proc 72 91K 152K 166960K 730 0
subproc 72 4K 4K 166960K 100 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 196 0
in_multi 67 5K 6K 166960K 147 0
ether_multi 1 0K 0K 166960K 4 0
mrt 1 0K 0K 166960K 4 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 223 996K 996K 166960K 223 0
exec 0 0K 1K 166960K 721 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 244 162K 176K 166960K 11859 0
UVM aobj 31 2K 2K 166960K 36 0
pinsyscall 43 86K 108K 166960K 2308 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 37 0
NDP 10 0K 1K 166960K 65 0
temp 72 8686K 8751K 166960K 40105 0
kqueue 13 20K 28K 166960K 223 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 26 0 0 1 0 1 1 0 8 0
rtpcb 120 86 0 80 1 0 1 1 0 8 0
rtentry 176 160 0 84 5 0 5 5 0 8 0
unpcb 144 714 0 695 4 2 2 2 0 8 1
syncache 336 12 0 12 5 4 1 1 0 8 1
tcpqe 32 5 0 5 3 2 1 1 0 8 1
tcpcb 808 228 0 218 4 2 2 2 0 8 0
arp 128 26 0 11 1 0 1 1 0 8 0
inpcb 384 1180 0 1166 25 21 4 12 0 8 2
nd6 144 35 0 17 1 0 1 1 0 8 0
pkpcb 40 13 0 13 4 3 1 1 0 8 1
kcovpl 48 11 0 3 1 0 1 1 0 8 0
ppxss 1192 44 0 44 3 3 0 1 0 8 0
pppxif 1504 5 0 5 2 2 0 1 0 8 0
pffrag 232 4 0 1 1 0 1 1 0 482 0
pffrnode 88 3 0 1 1 0 1 1 0 8 0
pffrent 40 9 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
pfstitem 24 101 0 23 1 0 1 1 0 8 0
pfstkey 128 101 0 23 3 0 3 3 0 8 0
pfstate 384 101 0 23 9 0 9 9 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 720 0 388 31 4 27 27 0 8 3
art_table 32 723 0 388 4 0 4 4 0 8 0
art_node 16 157 0 91 1 0 1 1 0 8 0
sysvmsgpl 40 20 0 11 1 0 1 1 0 8 0
semapl 112 31 0 21 1 0 1 1 0 8 0
shmpl 112 33 0 5 1 0 1 1 0 8 0
dirhash 1024 33 0 16 3 0 3 3 0 8 0
dino2pl 256 3351 0 1840 96 0 96 96 0 8 0
ffsino 288 3351 0 1840 109 0 109 109 0 8 0
nchpl 144 4839 0 3144 64 0 64 64 0 8 0
rtmask 32 10 0 10 2 2 0 1 0 8 0
uvmvnodes 80 4273 0 0 88 0 88 88 0 8 0
vnodes 216 4273 0 0 238 0 238 238 0 8 0
namei 1024 17185 0 17185 2 1 1 1 0 8 1
percpumem 16 106 0 59 1 0 1 1 0 8 0
kstatmem 264 92 0 70 3 1 2 3 0 8 0
scsiplug 72 5 0 5 4 4 0 1 0 8 0
scxspl 216 15561 0 15560 10 9 1 8 1 8 0
plimitpl 152 204 0 187 1 0 1 1 0 8 0
sigapl 424 1431 0 1360 10 1 9 9 0 8 0
knotepl 120 575 0 0 17 0 17 17 0 8 0
kqueuepl 224 687 0 678 9 8 1 5 0 8 0
pipepl 336 178 0 150 3 0 3 3 0 8 0
fdescpl 520 1390 0 1359 3 0 3 3 0 8 0
filepl 160 8736 0 8508 26 14 12 17 0 8 1
lockfpl 104 362 0 360 1 0 1 1 0 8 0
lockfspl 48 115 0 113 1 0 1 1 0 8 0
sessionpl 144 37 0 28 1 0 1 1 0 8 0
pgrppl 48 60 0 43 1 0 1 1 0 8 0
ucredpl 104 1236 0 1223 1 0 1 1 0 8 0
zombiepl 144 1497 0 1495 1 0 1 1 0 8 0
processpl 1208 1431 0 1360 6 0 6 6 0 8 0
procpl 656 3061 0 2979 9 1 8 8 0 8 0
srpgc 96 8 0 8 3 2 1 1 0 8 1
sosppl 168 9 0 9 3 2 1 1 0 8 1
sockpl 728 2020 0 1981 27 22 5 16 0 8 1
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 6 0 0 1 0 1 1 0 8 0
mcl4k 4096 106 0 0 14 0 14 14 0 8 0
mcl2k 2048 40 0 0 4 0 4 4 0 8 0
mtagpl 96 65 0 0 2 0 2 2 0 8 0
mbufpl 256 1161 0 0 73 0 73 73 0 8 0
bufpl 280 6084 0 129 426 0 426 426 0 8 0
anonpl 32 7854 0 0 64 0 64 64 0 246 0
amapchunkpl 152 37244 0 36755 31 8 23 25 0 158 2
amappl16 200 4409 0 4302 34 28 6 15 0 8 0
amappl15 192 1 0 1 1 1 0 1 0 8 0
amappl14 184 137 0 124 1 0 1 1 0 8 0
amappl13 176 11 0 11 1 1 0 1 0 8 0
amappl12 168 2086 0 2054 4 2 2 3 0 8 0
amappl11 160 60 0 46 1 0 1 1 0 8 0
amappl10 152 4 0 4 1 1 0 1 0 8 0
amappl9 144 249 0 249 1 1 0 1 0 8 0
amappl8 136 65 0 63 1 0 1 1 0 8 0
amappl7 128 142 0 128 1 0 1 1 0 8 0
amappl6 120 220 0 214 1 0 1 1 0 8 0
amappl5 112 139 0 129 1 0 1 1 0 8 0
amappl4 104 359 0 339 1 0 1 1 0 8 0
amappl3 96 7772 0 7656 5 1 4 4 0 8 0
amappl2 88 749 0 681 2 0 2 2 0 8 0
amappl1 80 14427 0 13803 15 0 15 15 0 8 0
amappl 88 10896 0 10731 5 0 5 5 0 92 0
dma65536 65536 1 0 1 1 1 0 1 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 2 0 1 0 8 0
dma128 128 254 0 254 2 2 0 1 0 8 0
dma64 64 7 0 7 2 2 0 1 0 8 0
dma32 32 8 0 8 2 2 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 35 0 5 1 0 1 1 0 8 0
uaddrrnd 24 1390 0 1359 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1390 0 1359 1 0 1 1 0 8 0
vmmpekpl 168 13317 0 13264 3 0 3 3 0 8 0
vmmpepl 168 94996 0 92933 122 27 95 107 0 357 0
vmsppl 480 1389 0 1359 5 0 5 5 0 8 0
rwobjpl 72 31479 0 26112 99 1 98 98 0 8 0
pdppl 4096 2787 0 2718 109 36 73 87 0 8 4
pvpl 32 15634 0 0 127 1 126 126 0 265 0
pmappl 256 1389 0 1359 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 467 0 51 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83851ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153
__mp_lock(ffffffff838f45a8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff838f45a8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144
intr_handler(ffff80002a33c240,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__mp_lock(ffffffff838f45a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff838f45a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144
end trace frame: 0x0, count: 7
ddb{0}> trace
x86_ipi_db(ffffffff83851ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153
__mp_lock(ffffffff838f45a8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff838f45a8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144
intr_handler(ffff80002a33c240,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__mp_lock(ffffffff838f45a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff838f45a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144
end trace frame: 0x0, count: -8
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:438
panic(ffffffff8345e9c5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83409527,ffffffff833a2923,70e,ffffffff833a295c) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806d1023d0,200000000000,200000002000) at uvm_fault_unwire_locked+0x434 sys/uvm/uvm_fault.c:1803
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline]
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748
uvm_vslock_device(ffff80003a07ad10,200000000040,10000,3,ffff80003a096ce0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:175
physio(ffffffff8170af10,d02,8000,ffffffff8170b770,ffff80003a096f98) at physio+0x277 sys/kern/kern_physio.c:139
spec_read(ffff80003a096e00) at spec_read+0x155 sys/kern/spec_vnops.c:215
VOP_READ(fffffd807b680290,ffff80003a096f98,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8064706228,ffff80003a096f98,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003a07ad10,3,ffff80003a096f98,1,ffff80003a097050) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_pread(ffff80003a07ad10,ffff80003a097100,ffff80003a097050) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303
syscall(ffff80003a097100) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a097100) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1844fce07a0, count: 1
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8345e9c5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83409527,ffffffff833a2923,70e,ffffffff833a295c) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806d1023d0,200000000000,200000002000) at uvm_fault_unwire_locked+0x434 sys/uvm/uvm_fault.c:1803
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline]
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748
uvm_vslock_device(ffff80003a07ad10,200000000040,10000,3,ffff80003a096ce0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:175
physio(ffffffff8170af10,d02,8000,ffffffff8170b770,ffff80003a096f98) at physio+0x277 sys/kern/kern_physio.c:139
spec_read(ffff80003a096e00) at spec_read+0x155 sys/kern/spec_vnops.c:215
VOP_READ(fffffd807b680290,ffff80003a096f98,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8064706228,ffff80003a096f98,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003a07ad10,3,ffff80003a096f98,1,ffff80003a097050) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_pread(ffff80003a07ad10,ffff80003a097100,ffff80003a097050) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303
syscall(ffff80003a097100) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a097100) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1844fce07a0, count: -14
---
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: 03d4002980cf allow comments, to be used with bsd.re-config..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14dba1f4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=bcdac25d28da916ff365
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6662ddf58383/disk-03d40029.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/decce0620e5f/bsd-03d40029.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9c891aba60e1/kernel-03d40029.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bcdac2...@syzkaller.appspotmail.com
login: panic: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1806
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
520623 19733 0 0x2000 0x4080000 0 syz-executor
*157694 2631 0 0 0x4000000 1 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8345e9c5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83409527,ffffffff833a2923,70e,ffffffff833a295c) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806d1023d0,200000000000,200000002000) at uvm_fault_unwire_locked+0x434 sys/uvm/uvm_fault.c:1803
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline]
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748
uvm_vslock_device(ffff80003a07ad10,200000000040,10000,3,ffff80003a096ce0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:175
physio(ffffffff8170af10,d02,8000,ffffffff8170b770,ffff80003a096f98) at physio+0x277 sys/kern/kern_physio.c:139
spec_read(ffff80003a096e00) at spec_read+0x155 sys/kern/spec_vnops.c:215
VOP_READ(fffffd807b680290,ffff80003a096f98,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8064706228,ffff80003a096f98,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003a07ad10,3,ffff80003a096f98,1,ffff80003a097050) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_pread(ffff80003a07ad10,ffff80003a097100,ffff80003a097050) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303
syscall(ffff80003a097100) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a097100) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1844fce07a0, 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
*cpu1: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1806
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8345e9c5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83409527,ffffffff833a2923,70e,ffffffff833a295c) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806d1023d0,200000000000,200000002000) at uvm_fault_unwire_locked+0x434 sys/uvm/uvm_fault.c:1803
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline]
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748
uvm_vslock_device(ffff80003a07ad10,200000000040,10000,3,ffff80003a096ce0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:175
physio(ffffffff8170af10,d02,8000,ffffffff8170b770,ffff80003a096f98) at physio+0x277 sys/kern/kern_physio.c:139
spec_read(ffff80003a096e00) at spec_read+0x155 sys/kern/spec_vnops.c:215
VOP_READ(fffffd807b680290,ffff80003a096f98,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8064706228,ffff80003a096f98,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003a07ad10,3,ffff80003a096f98,1,ffff80003a097050) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_pread(ffff80003a07ad10,ffff80003a097100,ffff80003a097050) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303
syscall(ffff80003a097100) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a097100) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1844fce07a0, count: -14
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003a0969f0
rbx 0xffff8000299dedd7
rdx 0
rcx 0xffff80003a07ad10
rax 0xffff8000299ddff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xb38496418c51a60d
r11 0x512b4dbc3fc94dda
r12 0xffff8000299debd8
r13 0
r14 0
r15 0x1
rip 0xffffffff83296a45 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003a0969e0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=157694 pid=2631 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=36, usrpri=80, slppri=36, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003a07b4c0,0xffff80003a07a570
process=0xffff8000fffe4020 user=0xffff80003a092000, vmspace=0xfffffd806d1023d0
estcpu=30, cpticks=7, pctcpu=0.1, user=0, sys=9, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
19733 19661 41987 0 4 0x82000 syz-executor
19733 100551 41987 0 4 0x4082000 syz-executor
19733 520623 41987 0 7 0x4082000 syz-executor
19733 428705 41987 0 3 0x4002000 suspend syz-executor
9631 106866 54633 0 2 0 syz-executor
9631 114205 54633 0 3 0x4000080 fsleep syz-executor
9631 388309 54633 0 3 0x4000080 fsleep syz-executor
9631 472396 54633 0 3 0x4000080 fsleep syz-executor
49953 417907 17818 0 2 0 syz-executor
49953 349905 17818 0 3 0x4000080 ttyin syz-executor
2631 98163 25598 0 3 0 vmmaplk syz-executor
* 2631 157694 25598 0 7 0x4000000 syz-executor
2631 389230 25598 0 3 0x4000080 pipewr syz-executor
2631 66671 25598 0 3 0x4000080 fsleep syz-executor
81811 476889 1 0 3 0x100083 ttyin getty
60829 184850 42948 0 2 0x2 syz-executor
17818 197582 42948 0 3 0x82 nanoslp syz-executor
99780 247417 0 0 3 0x14280 nfsidl nfsio
11826 4921 0 0 3 0x14280 nfsidl nfsio
69241 8814 0 0 3 0x14280 nfsidl nfsio
36955 243357 0 0 3 0x14280 nfsidl nfsio
70437 34427 0 0 3 0x14280 nfsidl nfsio
80278 136489 0 0 3 0x14280 nfsidl nfsio
70755 185596 0 0 3 0x14280 nfsidl nfsio
11194 167640 0 0 3 0x14280 nfsidl nfsio
68024 47392 0 0 3 0x14280 nfsidl nfsio
27159 391120 0 0 3 0x14280 nfsidl nfsio
76541 214144 0 0 3 0x14280 nfsidl nfsio
22819 35065 0 0 3 0x14280 nfsidl nfsio
53488 519891 0 0 3 0x14280 nfsidl nfsio
83230 480046 0 0 3 0x14280 nfsidl nfsio
72641 129859 0 0 3 0x14280 nfsidl nfsio
75997 33530 0 0 3 0x14280 nfsidl nfsio
61686 216041 0 0 3 0x14280 nfsidl nfsio
66867 451686 0 0 3 0x14280 nfsidl nfsio
4660 159271 0 0 3 0x14280 nfsidl nfsio
82607 106089 0 0 3 0x14280 nfsidl nfsio
54633 196294 42948 0 3 0x82 nanoslp syz-executor
2965 201437 0 0 3 0x14200 acct acct
46565 145405 0 0 3 0x14200 bored sosplice
39279 1992 2135 0 3 0x100082 sbwait arp
2135 410449 79135 0 3 0x10008a sigsusp sh
25598 77428 42948 0 3 0x82 nanoslp syz-executor
79135 22229 42948 0 3 0x82 wait syz-executor
41987 165263 42948 0 3 0x82 nanoslp syz-executor
61180 275878 42948 0 3 0x82 nanoslp syz-executor
89285 228602 42948 0 3 0x2 biowait syz-executor
42948 77458 63416 0 3 0x82 kqread syz-executor
63416 477692 70932 0 3 0x10008a sigsusp ksh
70932 111340 55703 0 3 0x98 kqread sshd-session
55703 398756 1491 0 3 0x92 kqread sshd-session
1491 270698 1 0 3 0x88 kqread sshd
37502 500268 1692 74 3 0x1100092 bpf pflogd
1692 366909 1 0 3 0x80 sbwait pflogd
98620 337378 33578 73 3 0x1100090 kqread syslogd
33578 505239 1 0 3 0x100082 sbwait syslogd
47745 459289 1 0 3 0x100080 kqread resolvd
641 446987 87688 77 3 0x100092 kqread dhcpleased
99444 385662 87688 77 3 0x100092 kqread dhcpleased
87688 200108 1 0 3 0x80 kqread dhcpleased
18668 357842 0 0 3 0x14200 bored smr
67195 325284 0 0 2 0x14200 zerothread
80094 231843 0 0 3 0x14200 aiodoned aiodoned
42214 441297 0 0 3 0x14200 syncer update
10253 147306 0 0 3 0x14200 cleaner cleaner
89937 340510 0 0 3 0x14200 reaper reaper
19100 18645 0 0 3 0x14200 pgdaemon pagedaemon
42664 485824 0 0 3 0x14200 bored viomb
49191 301430 0 0 3 0x40014200 acpi0 acpi0
13229 302782 0 0 3 0x40014200 idle1
45666 222942 0 0 3 0x14200 bored softnet3
90922 265962 0 0 3 0x14200 bored softnet2
75511 366587 0 0 3 0x14200 bored softnet1
18817 382347 0 0 3 0x14200 bored softnet0
58523 401363 0 0 3 0x14200 bored systqmp
39373 511996 0 0 3 0x14200 bored systq
97894 392500 0 0 3 0x14200 tmoslp softclockmp
56508 44739 0 0 3 0x40014200 tmoslp softclock
92059 52396 0 0 3 0x40014200 idle0
1 162490 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
Process 2631 (syz-executor) thread 0xffff80003a07ad10 (157694)
Process 89285 (syz-executor) thread 0xffff8000ffff2010 (228602)
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10231 11102K 11827K 166960K 13307 0
pcb 18 16K 21K 166960K 327 0
rtable 184 9K 10K 166960K 523 0
pf 30 16K 81K 166960K 123 0
ifaddr 34 6K 7K 166960K 99 0
ifgroup 47 2K 2K 166960K 155 0
sysctl 3 1K 9K 166960K 20 0
counters 64 36K 37K 166960K 182 0
ioctlops 0 0K 4K 166960K 1829 0
iov 0 0K 24K 166960K 58 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1459 92K 92K 166960K 2581 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 4 9K 9K 166960K 24 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 36 0
dirhash 12 2K 2K 166960K 36 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 240K 166960K 1124 0
sigio 0 0K 0K 166960K 21 0
proc 72 91K 152K 166960K 730 0
subproc 72 4K 4K 166960K 100 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 196 0
in_multi 67 5K 6K 166960K 147 0
ether_multi 1 0K 0K 166960K 4 0
mrt 1 0K 0K 166960K 4 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 223 996K 996K 166960K 223 0
exec 0 0K 1K 166960K 721 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 244 162K 176K 166960K 11859 0
UVM aobj 31 2K 2K 166960K 36 0
pinsyscall 43 86K 108K 166960K 2308 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 37 0
NDP 10 0K 1K 166960K 65 0
temp 72 8686K 8751K 166960K 40105 0
kqueue 13 20K 28K 166960K 223 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 26 0 0 1 0 1 1 0 8 0
rtpcb 120 86 0 80 1 0 1 1 0 8 0
rtentry 176 160 0 84 5 0 5 5 0 8 0
unpcb 144 714 0 695 4 2 2 2 0 8 1
syncache 336 12 0 12 5 4 1 1 0 8 1
tcpqe 32 5 0 5 3 2 1 1 0 8 1
tcpcb 808 228 0 218 4 2 2 2 0 8 0
arp 128 26 0 11 1 0 1 1 0 8 0
inpcb 384 1180 0 1166 25 21 4 12 0 8 2
nd6 144 35 0 17 1 0 1 1 0 8 0
pkpcb 40 13 0 13 4 3 1 1 0 8 1
kcovpl 48 11 0 3 1 0 1 1 0 8 0
ppxss 1192 44 0 44 3 3 0 1 0 8 0
pppxif 1504 5 0 5 2 2 0 1 0 8 0
pffrag 232 4 0 1 1 0 1 1 0 482 0
pffrnode 88 3 0 1 1 0 1 1 0 8 0
pffrent 40 9 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
pfstitem 24 101 0 23 1 0 1 1 0 8 0
pfstkey 128 101 0 23 3 0 3 3 0 8 0
pfstate 384 101 0 23 9 0 9 9 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 720 0 388 31 4 27 27 0 8 3
art_table 32 723 0 388 4 0 4 4 0 8 0
art_node 16 157 0 91 1 0 1 1 0 8 0
sysvmsgpl 40 20 0 11 1 0 1 1 0 8 0
semapl 112 31 0 21 1 0 1 1 0 8 0
shmpl 112 33 0 5 1 0 1 1 0 8 0
dirhash 1024 33 0 16 3 0 3 3 0 8 0
dino2pl 256 3351 0 1840 96 0 96 96 0 8 0
ffsino 288 3351 0 1840 109 0 109 109 0 8 0
nchpl 144 4839 0 3144 64 0 64 64 0 8 0
rtmask 32 10 0 10 2 2 0 1 0 8 0
uvmvnodes 80 4273 0 0 88 0 88 88 0 8 0
vnodes 216 4273 0 0 238 0 238 238 0 8 0
namei 1024 17185 0 17185 2 1 1 1 0 8 1
percpumem 16 106 0 59 1 0 1 1 0 8 0
kstatmem 264 92 0 70 3 1 2 3 0 8 0
scsiplug 72 5 0 5 4 4 0 1 0 8 0
scxspl 216 15561 0 15560 10 9 1 8 1 8 0
plimitpl 152 204 0 187 1 0 1 1 0 8 0
sigapl 424 1431 0 1360 10 1 9 9 0 8 0
knotepl 120 575 0 0 17 0 17 17 0 8 0
kqueuepl 224 687 0 678 9 8 1 5 0 8 0
pipepl 336 178 0 150 3 0 3 3 0 8 0
fdescpl 520 1390 0 1359 3 0 3 3 0 8 0
filepl 160 8736 0 8508 26 14 12 17 0 8 1
lockfpl 104 362 0 360 1 0 1 1 0 8 0
lockfspl 48 115 0 113 1 0 1 1 0 8 0
sessionpl 144 37 0 28 1 0 1 1 0 8 0
pgrppl 48 60 0 43 1 0 1 1 0 8 0
ucredpl 104 1236 0 1223 1 0 1 1 0 8 0
zombiepl 144 1497 0 1495 1 0 1 1 0 8 0
processpl 1208 1431 0 1360 6 0 6 6 0 8 0
procpl 656 3061 0 2979 9 1 8 8 0 8 0
srpgc 96 8 0 8 3 2 1 1 0 8 1
sosppl 168 9 0 9 3 2 1 1 0 8 1
sockpl 728 2020 0 1981 27 22 5 16 0 8 1
mcl64k 65536 5 0 0 1 0 1 1 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 6 0 0 1 0 1 1 0 8 0
mcl4k 4096 106 0 0 14 0 14 14 0 8 0
mcl2k 2048 40 0 0 4 0 4 4 0 8 0
mtagpl 96 65 0 0 2 0 2 2 0 8 0
mbufpl 256 1161 0 0 73 0 73 73 0 8 0
bufpl 280 6084 0 129 426 0 426 426 0 8 0
anonpl 32 7854 0 0 64 0 64 64 0 246 0
amapchunkpl 152 37244 0 36755 31 8 23 25 0 158 2
amappl16 200 4409 0 4302 34 28 6 15 0 8 0
amappl15 192 1 0 1 1 1 0 1 0 8 0
amappl14 184 137 0 124 1 0 1 1 0 8 0
amappl13 176 11 0 11 1 1 0 1 0 8 0
amappl12 168 2086 0 2054 4 2 2 3 0 8 0
amappl11 160 60 0 46 1 0 1 1 0 8 0
amappl10 152 4 0 4 1 1 0 1 0 8 0
amappl9 144 249 0 249 1 1 0 1 0 8 0
amappl8 136 65 0 63 1 0 1 1 0 8 0
amappl7 128 142 0 128 1 0 1 1 0 8 0
amappl6 120 220 0 214 1 0 1 1 0 8 0
amappl5 112 139 0 129 1 0 1 1 0 8 0
amappl4 104 359 0 339 1 0 1 1 0 8 0
amappl3 96 7772 0 7656 5 1 4 4 0 8 0
amappl2 88 749 0 681 2 0 2 2 0 8 0
amappl1 80 14427 0 13803 15 0 15 15 0 8 0
amappl 88 10896 0 10731 5 0 5 5 0 92 0
dma65536 65536 1 0 1 1 1 0 1 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 2 0 1 0 8 0
dma128 128 254 0 254 2 2 0 1 0 8 0
dma64 64 7 0 7 2 2 0 1 0 8 0
dma32 32 8 0 8 2 2 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 35 0 5 1 0 1 1 0 8 0
uaddrrnd 24 1390 0 1359 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1390 0 1359 1 0 1 1 0 8 0
vmmpekpl 168 13317 0 13264 3 0 3 3 0 8 0
vmmpepl 168 94996 0 92933 122 27 95 107 0 357 0
vmsppl 480 1389 0 1359 5 0 5 5 0 8 0
rwobjpl 72 31479 0 26112 99 1 98 98 0 8 0
pdppl 4096 2787 0 2718 109 36 73 87 0 8 4
pvpl 32 15634 0 0 127 1 126 126 0 265 0
pmappl 256 1389 0 1359 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 467 0 51 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83851ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153
__mp_lock(ffffffff838f45a8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff838f45a8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144
intr_handler(ffff80002a33c240,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__mp_lock(ffffffff838f45a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff838f45a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144
end trace frame: 0x0, count: 7
ddb{0}> trace
x86_ipi_db(ffffffff83851ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline]
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153
__mp_lock(ffffffff838f45a8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff838f45a8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144
intr_handler(ffff80002a33c240,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__mp_lock(ffffffff838f45a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline]
__mp_lock(ffffffff838f45a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144
end trace frame: 0x0, count: -8
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:438
panic(ffffffff8345e9c5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83409527,ffffffff833a2923,70e,ffffffff833a295c) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806d1023d0,200000000000,200000002000) at uvm_fault_unwire_locked+0x434 sys/uvm/uvm_fault.c:1803
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline]
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748
uvm_vslock_device(ffff80003a07ad10,200000000040,10000,3,ffff80003a096ce0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:175
physio(ffffffff8170af10,d02,8000,ffffffff8170b770,ffff80003a096f98) at physio+0x277 sys/kern/kern_physio.c:139
spec_read(ffff80003a096e00) at spec_read+0x155 sys/kern/spec_vnops.c:215
VOP_READ(fffffd807b680290,ffff80003a096f98,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8064706228,ffff80003a096f98,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003a07ad10,3,ffff80003a096f98,1,ffff80003a097050) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_pread(ffff80003a07ad10,ffff80003a097100,ffff80003a097050) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303
syscall(ffff80003a097100) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a097100) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1844fce07a0, count: 1
ddb{1}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8345e9c5) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff83409527,ffffffff833a2923,70e,ffffffff833a295c) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_fault_unwire_locked(fffffd806d1023d0,200000000000,200000002000) at uvm_fault_unwire_locked+0x434 sys/uvm/uvm_fault.c:1803
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline]
uvm_fault_wire(fffffd806d1023d0,200000000000,200000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748
uvm_vslock_device(ffff80003a07ad10,200000000040,10000,3,ffff80003a096ce0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:175
physio(ffffffff8170af10,d02,8000,ffffffff8170b770,ffff80003a096f98) at physio+0x277 sys/kern/kern_physio.c:139
spec_read(ffff80003a096e00) at spec_read+0x155 sys/kern/spec_vnops.c:215
VOP_READ(fffffd807b680290,ffff80003a096f98,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8064706228,ffff80003a096f98,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369
dofilereadv(ffff80003a07ad10,3,ffff80003a096f98,1,ffff80003a097050) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_pread(ffff80003a07ad10,ffff80003a097100,ffff80003a097050) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303
syscall(ffff80003a097100) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003a097100) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1844fce07a0, count: -14
---
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