panic: kernel diagnostic assertion "d->bd_in_uiomove == 0" failed: file "/syzkaller/managers/main/kernel/sys/net/bpf.c", line 550
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*369162 31291 0 0 0x4000000 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83430cd7) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff833dee6f,ffffffff8338f3f7,226,ffffffff83356515) at __assert+0x29 sys/kern/subr_prf.c:-1
bpfread(51700,ffff80003ca45390,0) at bpfread+0x79d sys/net/bpf.c:550
spec_read(ffff80003ca45180) at spec_read+0x14c sys/kern/spec_vnops.c:215
VOP_READ(fffffd806490eb18,ffff80003ca45390,0,fffffd8007bfb7b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8076f79cc0,ffff80003ca45390,0) at vn_read+0x16d sys/kern/vfs_vnops.c:369
dofilereadv(ffff800031907228,5,ffff80003ca45390,0,ffff80003ca45450) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_readv(ffff800031907228,ffff80003ca45500,ffff80003ca45450) at sys_readv+0xd8 sys/kern/sys_generic.c:199
syscall(ffff80003ca45500) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003ca45500) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x954f8dd7f20, 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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: kernel diagnostic assertion "d->bd_in_uiomove == 0" failed: file "/syzkaller/managers/main/kernel/sys/net/bpf.c", line 550
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83430cd7) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff833dee6f,ffffffff8338f3f7,226,ffffffff83356515) at __assert+0x29 sys/kern/subr_prf.c:-1
bpfread(51700,ffff80003ca45390,0) at bpfread+0x79d sys/net/bpf.c:550
spec_read(ffff80003ca45180) at spec_read+0x14c sys/kern/spec_vnops.c:215
VOP_READ(fffffd806490eb18,ffff80003ca45390,0,fffffd8007bfb7b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8076f79cc0,ffff80003ca45390,0) at vn_read+0x16d sys/kern/vfs_vnops.c:369
dofilereadv(ffff800031907228,5,ffff80003ca45390,0,ffff80003ca45450) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_readv(ffff800031907228,ffff80003ca45500,ffff80003ca45450) at sys_readv+0xd8 sys/kern/sys_generic.c:199
syscall(ffff80003ca45500) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003ca45500) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x954f8dd7f20, count: -11
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80003ca44f90
rbx 0
rdx 0xffff800001473500
rcx 0
rax 0xffff800031907228
r8 0x101010101010101
r9 0x8080808080808080
r10 0x2afc428f6c5dec80
r11 0xe386895621d0f581
r12 0
r13 0
r14 0
r15 0x1
rip 0xffffffff82c78a05 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003ca44f80
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb> show proc
PROC (syz-executor) tid=369162 pid=31291 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=26, usrpri=82, slppri=26, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a8f5750,0xffff800031906d18
process=0xffff800035d17678 user=0xffff80003ca40000, vmspace=0xfffffd806c2af5b0
estcpu=32, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
49050 500097 40029 0 2 0 syz-executor
49050 68385 40029 0 3 0x4000080 fsleep syz-executor
76827 193004 22175 0 2 0 syz-executor
76827 386133 22175 0 3 0x4000080 bell syz-executor
76827 369781 22175 0 2 0x4000000 syz-executor
78476 516575 55835 0 2 0 syz-executor
78476 55880 55835 0 3 0x4000080 fsleep syz-executor
78476 131599 55835 0 3 0x4000080 fsleep syz-executor
17460 152961 95229 0 2 0x10 syz-executor
17460 223778 95229 0 3 0x4000090 fsleep syz-executor
55113 120930 29743 0 2 0x82000 syz-executor
55113 256039 29743 0 4 0x4082000 syz-executor
55113 396138 29743 0 3 0x4002000 suspend syz-executor
31291 62854 5446 0 2 0 syz-executor
31291 131806 5446 0 2 0x4000000 syz-executor
31291 34990 5446 0 2 0x4000000 syz-executor
*31291 369162 5446 0 7 0x4000000 syz-executor
28764 171175 27027 0 2 0 syz-executor
28764 427698 27027 0 3 0x4000080 fsleep syz-executor
28764 10142 27027 0 2 0x4000000 syz-executor
28764 264363 27027 0 3 0x4000080 fsleep syz-executor
55835 421687 80680 0 2 0xc82 syz-executor
27027 275846 80680 0 2 0xc82 syz-executor
79935 507730 0 0 3 0x14200 acct acct
22175 242079 80680 0 2 0xc82 syz-executor
95229 352970 80680 0 2 0xc82 syz-executor
40029 414307 80680 0 2 0xc82 syz-executor
74184 18492 0 0 3 0x14280 nfsidl nfsio
40911 428252 0 0 3 0x14280 nfsidl nfsio
11646 137508 0 0 3 0x14280 nfsidl nfsio
55784 134806 0 0 3 0x14280 nfsidl nfsio
9916 181438 0 0 3 0x14280 nfsidl nfsio
58468 468261 0 0 3 0x14280 nfsidl nfsio
42122 243511 0 0 3 0x14280 nfsidl nfsio
90097 14706 0 0 3 0x14280 nfsidl nfsio
87369 100914 0 0 3 0x14280 nfsidl nfsio
79058 214955 0 0 3 0x14280 nfsidl nfsio
88283 4665 0 0 3 0x14280 nfsidl nfsio
77283 514385 0 0 3 0x14280 nfsidl nfsio
23936 280746 0 0 3 0x14280 nfsidl nfsio
69944 328014 0 0 3 0x14280 nfsidl nfsio
5360 379013 0 0 3 0x14280 nfsidl nfsio
86192 432566 0 0 3 0x14280 nfsidl nfsio
65384 243464 0 0 3 0x14280 nfsidl nfsio
4961 363040 0 0 3 0x14280 nfsidl nfsio
39602 209391 0 0 3 0x14280 nfsidl nfsio
45366 520712 0 0 3 0x14280 nfsidl nfsio
92632 166364 0 0 3 0x14200 bored sosplice
5446 196554 80680 0 2 0xc82 syz-executor
76042 390032 80680 0 2 0x2 syz-executor
29743 77225 80680 0 2 0xc82 syz-executor
80680 54871 64425 0 3 0x82 kqread syz-executor
64425 317005 4901 0 3 0x10008a sigsusp ksh
4901 158693 17733 0 3 0x98 kqread sshd-session
17733 55955 64294 0 3 0x92 kqread sshd-session
88495 272615 1 0 3 0x100083 ttyopn getty
64294 89210 1 0 3 0x88 kqread sshd
15805 247680 9161 73 3 0x1100090 kqread syslogd
9161 59884 1 0 3 0x100082 sbwait syslogd
86703 235675 1 0 3 0x100080 kqread resolvd
71912 508958 48701 77 3 0x100092 kqread dhcpleased
15995 299431 48701 77 3 0x100092 kqread dhcpleased
48701 124382 1 0 3 0x80 kqread dhcpleased
91991 266377 0 0 3 0x14200 bored smr
70035 452884 0 0 2 0x14200 zerothread
88733 44604 0 0 3 0x14200 aiodoned aiodoned
64397 488904 0 0 3 0x14200 syncer update
15222 310064 0 0 3 0x14200 cleaner cleaner
96748 21196 0 0 3 0x14200 reaper reaper
52805 64132 0 0 3 0x14200 pgdaemon pagedaemon
85126 489884 0 0 3 0x14200 bored viomb
7279 99476 0 0 3 0x40014200 acpi0 acpi0
21782 184714 0 0 3 0x14200 bored softnet3
6354 238221 0 0 3 0x14200 bored softnet2
82950 284331 0 0 3 0x14200 bored softnet1
22409 253895 0 0 2 0x14200 softnet0
26837 10623 0 0 3 0x14200 bored systqmp
29549 31255 0 0 3 0x14200 bored systq
91904 511095 0 0 3 0x40014200 tmoslp softclock
51968 32586 0 0 3 0x40014200 idle0
1 198972 0 0 3 0x80082 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10226 11218K 11521K 166960K 15584 0
pcb 18 14K 16K 166960K 428 0
rtable 230 10K 11K 166960K 778 0
pf 33 13K 20K 166960K 305 0
ifaddr 42 8K 8K 166960K 141 0
ifgroup 57 2K 2K 166960K 223 0
sysctl 4 1K 9K 166960K 29 0
counters 33 17K 18K 166960K 123 0
ioctlops 0 0K 4K 166960K 571 0
iov 0 0K 18K 166960K 95 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1466 92K 93K 166960K 3875 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 29 0
VM map 2 1K 1K 166960K 2 0
sem 29 33K 42K 166960K 43 0
dirhash 12 2K 2K 166960K 30 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 228K 166960K 2593 0
sigio 0 0K 0K 166960K 71 0
proc 61 59K 124K 166960K 824 0
subproc 72 4K 4K 166960K 118 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 385 0
in_multi 88 6K 7K 166960K 240 0
ether_multi 1 0K 0K 166960K 25 0
mrt 2 0K 0K 166960K 5 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 229 1023K 1023K 166960K 229 0
exec 0 0K 1K 166960K 668 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 3 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 243 160K 177K 166960K 25706 0
UVM aobj 45 2K 2K 166960K 49 0
pinsyscall 38 76K 96K 166960K 3747 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 117 0
NDP 12 0K 2K 166960K 93 0
temp 78 8688K 8816K 166960K 97583 0
kqueue 13 20K 30K 166960K 373 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 211 0 207 1 0 1 1 0 8 0
rtentry 136 236 0 140 4 0 4 4 0 8 0
unpcb 144 1707 0 1691 9 3 6 6 0 8 5
syncache 336 11 0 11 2 1 1 1 0 8 1
tcpqe 32 3 0 3 2 1 1 1 0 8 1
tcpcb 808 599 0 593 9 1 8 8 0 8 7
arp 88 37 0 19 1 0 1 1 0 8 0
ipq 40 7 0 7 1 0 1 1 0 8 1
ipqe 40 10 0 10 1 0 1 1 0 8 1
inpcb 328 2064 0 2054 12 5 7 7 0 8 5
ip6q 72 3 0 2 1 0 1 1 0 8 0
ip6af 40 5 0 4 1 0 1 1 0 8 0
nd6 104 45 0 22 1 0 1 1 0 8 0
pkpcb 40 10 0 10 1 0 1 1 0 8 1
kcovpl 48 13 0 5 1 0 1 1 0 8 0
mppekey 1024 2 0 2 1 0 1 1 0 8 1
ppxss 1072 69 0 69 2 1 1 1 0 8 1
pppxif 1384 13 0 13 2 1 1 1 0 8 1
pfrktable 1344 5 0 3 1 0 1 1 0 8 0
pfanchor 1288 4 0 0 1 0 1 1 0 8 0
pfrule 1344 1 0 0 1 0 1 1 0 8 0
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 897 0 505 31 1 30 30 0 8 5
art_table 32 900 0 505 4 0 4 4 0 8 0
art_node 16 217 0 135 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0
semupl 112 2 0 2 1 0 1 1 0 8 1
semapl 112 36 0 9 1 0 1 1 0 8 0
shmpl 112 46 0 4 2 0 2 2 0 8 0
dirhash 1024 29 0 12 3 0 3 3 0 8 0
dino2pl 256 5494 0 3991 95 0 95 95 0 8 0
ffsino 248 5494 0 3991 95 0 95 95 0 8 0
nchpl 144 8969 0 7275 64 0 64 64 0 8 0
rtmask 32 13 0 13 2 1 1 1 0 8 1
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 29063 0 29062 4 2 2 2 0 8 1
kstatmem 264 134 0 110 2 0 2 2 0 8 0
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
scsiplug 72 14 0 14 2 1 1 1 0 8 1
scxspl 216 27016 0 27016 9 1 8 8 1 8 8
plimitpl 152 442 0 426 1 0 1 1 0 8 0
sigapl 424 2858 0 2791 9 1 8 8 0 8 0
knotepl 120 262354 0 262307 23 11 12 16 0 8 8
kqueuepl 184 1035 0 1026 7 3 4 4 0 8 3
pipepl 296 353 0 326 5 0 5 5 0 8 2
fdescpl 440 2818 0 2789 5 1 4 5 0 8 0
filepl 120 15786 0 15572 19 6 13 13 0 8 4
lockfpl 104 623 0 621 1 0 1 1 0 8 0
lockfspl 48 223 0 221 1 0 1 1 0 8 0
sessionpl 144 33 0 25 1 0 1 1 0 8 0
pgrppl 48 66 0 50 1 0 1 1 0 8 0
ucredpl 104 2152 0 2140 1 0 1 1 0 8 0
zombiepl 144 4568 0 4568 1 0 1 1 0 8 1
processpl 1160 2858 0 2791 5 0 5 5 0 8 0
procpl 656 7225 0 7144 9 1 8 8 0 8 0
sosppl 168 11 0 11 2 1 1 1 0 8 1
sockpl 528 4035 0 3996 26 15 11 16 0 8 7
mcl64k 65536 281 0 281 2 1 1 1 0 8 1
mcl16k 16384 89 0 89 2 1 1 1 0 8 1
mcl12k 12288 42 0 42 1 0 1 1 0 8 1
mcl9k 9216 15 0 15 1 0 1 1 0 8 1
mcl8k 8192 87 0 87 2 1 1 1 0 8 1
mcl4k 4096 6763 0 6709 16 6 10 14 0 8 2
mcl2k2 2112 50 0 50 2 1 1 1 0 8 1
mcl2k 2048 2202 0 2198 4 2 2 3 0 8 1
mtagpl 96 221 0 25 5 0 5 5 0 8 0
mbufpl 256 54604 0 54267 27 4 23 23 0 8 1
bufpl 280 8966 0 2739 446 0 446 446 0 8 0
anonpl 24 346268 0 339624 71 1 70 70 0 187 18
amapchunkpl 152 86738 0 86131 50 14 36 36 0 158 11
amappl16 200 5250 0 5105 54 33 21 27 0 8 8
amappl15 192 4 0 3 1 0 1 1 0 8 0
amappl14 184 132 0 122 1 0 1 1 0 8 0
amappl13 176 43 0 43 1 1 0 1 0 8 0
amappl12 168 3505 0 3476 3 1 2 3 0 8 0
amappl11 160 69 0 59 1 0 1 1 0 8 0
amappl10 152 7 0 7 2 1 1 1 0 8 1
amappl9 144 253 0 252 2 1 1 1 0 8 0
amappl8 136 17 0 15 1 0 1 1 0 8 0
amappl7 128 113 0 103 1 0 1 1 0 8 0
amappl6 120 221 0 218 1 0 1 1 0 8 0
amappl5 112 144 0 136 1 0 1 1 0 8 0
amappl4 104 325 0 309 1 0 1 1 0 8 0
amappl3 96 18021 0 17908 5 1 4 4 0 8 0
amappl2 88 728 0 672 2 0 2 2 0 8 0
amappl1 80 19552 0 19007 14 1 13 14 0 8 0
amappl 88 24562 0 24384 5 0 5 5 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma2048 2048 1 0 1 1 0 1 1 0 8 1
dma1024 1024 2 0 1 1 0 1 1 0 8 0
dma256 256 8 0 8 2 1 1 1 0 8 1
dma128 128 256 0 256 2 1 1 1 0 8 1
dma64 64 7 0 7 2 1 1 1 0 8 1
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 48 0 4 1 0 1 1 0 8 0
uaddrrnd 24 2818 0 2789 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2818 0 2789 1 0 1 1 0 8 0
vmmpekpl 168 21555 0 21495 3 0 3 3 0 8 0
vmmpepl 168 178120 0 176115 107 2 105 105 0 357 13
vmsppl 360 2817 0 2789 4 1 3 4 0 8 0
rwobjpl 32 49625 0 42667 59 0 59 59 0 8 1
pdppl 4096 5642 0 5578 142 76 66 82 0 8 2
pvpl 32 1150150 0 1137687 154 0 154 154 0 265 43
pmappl 216 2817 0 2789 3 1 2 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 348 0 98 8 0 8 8 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83430cd7) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff833dee6f,ffffffff8338f3f7,226,ffffffff83356515) at __assert+0x29 sys/kern/subr_prf.c:-1
bpfread(51700,ffff80003ca45390,0) at bpfread+0x79d sys/net/bpf.c:550
spec_read(ffff80003ca45180) at spec_read+0x14c sys/kern/spec_vnops.c:215
VOP_READ(fffffd806490eb18,ffff80003ca45390,0,fffffd8007bfb7b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8076f79cc0,ffff80003ca45390,0) at vn_read+0x16d sys/kern/vfs_vnops.c:369
dofilereadv(ffff800031907228,5,ffff80003ca45390,0,ffff80003ca45450) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_readv(ffff800031907228,ffff80003ca45500,ffff80003ca45450) at sys_readv+0xd8 sys/kern/sys_generic.c:199
syscall(ffff80003ca45500) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003ca45500) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x954f8dd7f20, count: -11
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83430cd7) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff833dee6f,ffffffff8338f3f7,226,ffffffff83356515) at __assert+0x29 sys/kern/subr_prf.c:-1
bpfread(51700,ffff80003ca45390,0) at bpfread+0x79d sys/net/bpf.c:550
spec_read(ffff80003ca45180) at spec_read+0x14c sys/kern/spec_vnops.c:215
VOP_READ(fffffd806490eb18,ffff80003ca45390,0,fffffd8007bfb7b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227
vn_read(fffffd8076f79cc0,ffff80003ca45390,0) at vn_read+0x16d sys/kern/vfs_vnops.c:369
dofilereadv(ffff800031907228,5,ffff80003ca45390,0,ffff80003ca45450) at dofilereadv+0x230 sys/kern/sys_generic.c:252
sys_readv(ffff800031907228,ffff80003ca45500,ffff80003ca45450) at sys_readv+0xd8 sys/kern/sys_generic.c:199
syscall(ffff80003ca45500) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003ca45500) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x954f8dd7f20, count: -11