panic: wakeup: p_stat is NUM
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syzbot
Aug 20, 2022, 4:39:29 PM8/20/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: c6821aa4c746 Align description of -g and -u with mount_tmp..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=132d1715080000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=b56514a324652eec0c1b
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b56514...@syzkaller.appspotmail.com
panic: wakeup: p_stat is 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263468b) at panic+0x161 sys/kern/subr_prf.c:198
wakeup_n(fffffd807dadfda0,ffffffff) at wakeup_n+0x131 sys/kern/kern_synch.c:549
sd_buf_done(fffffd807f55bd80) at sd_buf_done+0x1f9 sys/scsi/sd.c:772
vioscsi_vq_done(ffff8000000a2228) at vioscsi_vq_done+0xa1 sys/dev/pv/vioscsi.c:349
virtio_check_vqs(ffff80000002f400) at virtio_check_vqs+0x160 sys/dev/pv/virtio.c:228
intr_handler(ffff80002e8fb050,ffff80000004f980) at intr_handler+0x4b sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
softintr_dispatch(0) at softintr_dispatch+0xc4 sys/arch/amd64/amd64/softintr.c:103
Xsoftclock() at Xsoftclock+0x1f
buf_get(0,0,10000000) at buf_get+0x750 sys/kern/vfs_bio.c:1186
geteblk(10000000) at geteblk+0x2c sys/kern/vfs_bio.c:1061
readdisklabel(2902,ffffffff81d38440,ffff800000c4da00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96
end trace frame: 0xffff80002e8fb500, 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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: wakeup: p_stat is 0
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263468b) at panic+0x161 sys/kern/subr_prf.c:198
wakeup_n(fffffd807dadfda0,ffffffff) at wakeup_n+0x131 sys/kern/kern_synch.c:549
sd_buf_done(fffffd807f55bd80) at sd_buf_done+0x1f9 sys/scsi/sd.c:772
vioscsi_vq_done(ffff8000000a2228) at vioscsi_vq_done+0xa1 sys/dev/pv/vioscsi.c:349
virtio_check_vqs(ffff80000002f400) at virtio_check_vqs+0x160 sys/dev/pv/virtio.c:228
intr_handler(ffff80002e8fb050,ffff80000004f980) at intr_handler+0x4b sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
softintr_dispatch(0) at softintr_dispatch+0xc4 sys/arch/amd64/amd64/softintr.c:103
Xsoftclock() at Xsoftclock+0x1f
buf_get(0,0,10000000) at buf_get+0x750 sys/kern/vfs_bio.c:1186
geteblk(10000000) at geteblk+0x2c sys/kern/vfs_bio.c:1061
readdisklabel(2902,ffffffff81d38440,ffff800000c4da00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96
vndopen(2902,819,2000,ffff8000265f8010) at vndopen+0x17a sys/dev/vnd.c:203
spec_open(ffff80002e8fb588) at spec_open+0x3df sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806e44bdd8,819,fffffd807f7d7820,ffff8000265f8010) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138
vn_open(ffff80002e8fb7d8,819,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177
doopenat(ffff8000265f8010,ffffff9c,20000080,818,0,ffff80002e8fb9c0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff80002e8fba30) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd4fd0905ac0, count: -21
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80002e8fae10
rbx 0
rdx 0
rcx 0
rax 0xffff8000265f8010
r8 0x101010101010101
r9 0x8080808080808080
r10 0x997fd8c9fc26e9b6
r11 0x8822fffbe9f1c199
r12 0
r13 0xffff80002179a008
r14 0
r15 0x1
rip 0xffffffff81b5ffb8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002e8fae00
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC () pid=317681 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=70, usrpri=46, nice=0
forw=0xffffffffffffffff, list=0xffff8000265f9cf0,0xffffffff82a59fb8
process=0xffff8000217113b0 user=0xffff80002e8f6000, vmspace=0xfffffd806c397670
estcpu=36, cpticks=16, pctcpu=0.0
user=0, sys=16, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10176 6531K 6668K 78643K 11310 0
pcb 14 8K 8K 78643K 30 0
rtable 234 6K 6K 78643K 351 0
ifaddr 82 16K 16K 78643K 84 0
sysctl 2 0K 0K 78643K 2 0
counters 27 17K 17K 78643K 27 0
ioctlops 0 0K 2K 78643K 36 0
iov 1 0K 12K 78643K 4 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1274 80K 80K 78643K 1302 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 15 53K 77K 78643K 183 0
proc 57 59K 75K 78643K 452 0
subproc 104 6K 6K 78643K 104 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 99 6K 6K 78643K 99 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 43 201K 201K 78643K 43 0
exec 0 0K 2K 78643K 622 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 8 62K 62K 78643K 8 0
UVM amap 213 76K 77K 78643K 2328 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 11 0K 2K 78643K 27 0
temp 83 4704K 4768K 78643K 3685 0
kqueue 12 18K 20K 78643K 25 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 37 0 34 1 0 1 1 0 8 0
rtentry 112 111 0 1 4 0 4 4 0 8 0
unpcb 144 66 0 49 1 0 1 1 0 8 0
syncache 296 4 0 4 1 1 0 1 0 8 0
tcpqe 32 60 0 60 1 0 1 1 0 8 1
tcpcb 768 84 0 4 8 0 8 8 0 8 0
arp 88 18 0 0 1 0 1 1 0 8 0
inpcb 320 146 0 73 7 0 7 7 0 8 0
nd6 48 24 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 453 0 0 29 0 29 29 0 8 0
art_table 32 454 0 0 4 0 4 4 0 8 0
art_node 16 110 0 10 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dirhash: pool(0xffffffff82aa0240:dirhash): free list modified: page 0xffff8000216f8000; item ordinal 0; addr 0xffff8000216f9400 (p 0xfffffd8078b3a000); offset 0x0=0x0
pool(dirhash): free list modified: page 0xffff8000216f8000; item ordinal 0; addr 0xffff8000216f9400 (p 0xfffffd8078b3a000); offset 0x0=0x0
dirhash: pool(0xffffffff82aa0240:dirhash): page inconsistency: page 0xffff8000216f8000; item ordinal 1; addr 0x525b53c903d8f9e9
dino2pl 256 1536 0 106 90 0 90 90 0 8 0
ffsino 240 1536 0 106 85 0 85 85 0 8 0
nchpl 144 1882 0 208 63 0 63 63 0 8 0
uvmvnodes 80 1664 0 0 34 0 34 34 0 8 0
vnodes 216 1664 0 0 93 0 93 93 0 8 0
namei 1024 6241 0 6240 2 1 1 2 0 8 0
namei: pool(0xffffffff829b29d0:namei): free list modified: page 0xffff80002172c000; item ordinal 0; addr 0xffff80002172d800 (p 0xfffffd806b474000); offset 0x0=0x0
pool(namei): free list modified: page 0xffff80002172c000; item ordinal 0; addr 0xffff80002172d800 (p 0xfffffd806b474000); offset 0x0=0x0
namei: pool(0xffffffff829b29d0:namei): page inconsistency: page 0xffff80002172c000; item ordinal 1; addr 0xa71b330a261dba7e
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 5523 0 5522 2 1 1 2 0 8 0
plimitpl 152 25 0 10 1 0 1 1 0 8 0
sigapl 424 473 0 430 6 0 6 6 0 8 0
futexpl 64 899 0 895 1 0 1 1 0 8 0
knotepl 120 7842 0 7762 4 0 4 4 0 8 0
kqueuepl 184 33 0 24 1 0 1 1 0 8 0
pipepl 288 146 0 118 3 0 3 3 0 8 0
fdescpl 432 457 0 431 4 0 4 4 0 8 0
filepl 120 1970 0 1659 10 0 10 10 0 8 0
lockfpl 104 8 0 6 1 0 1 1 0 8 0
lockfspl 48 5 0 3 1 0 1 1 0 8 0
sessionpl 144 23 0 7 1 0 1 1 0 8 0
pgrppl 48 23 0 7 1 0 1 1 0 8 0
ucredpl 104 148 0 137 1 0 1 1 0 8 0
zombiepl 144 431 0 430 1 0 1 1 0 8 0
processpl 1000 473 0 430 8 1 7 7 0 8 1
processpl: pool(0xffffffff82a5a1b8:processpl): page inconsistency: page 0x0; at page head addr 0xffff8000231f3f90 (p 0xffff8000231f2000)
processpl: pool(0xffffffff82a5a1b8:processpl): page inconsistency: page 0x0; at page head addr 0xffff800021713f90 (p 0xffff800021712000)
processpl: pool(0xffffffff82a5a1b8:processpl): page inconsistency: page 0x0; at page head addr 0xffff800021711f90 (p 0xffff800021710000)
procpl 672 572 0 510 6 0 6 6 0 8 0
procpl: pool(0xffffffff82a5a010:procpl): page inconsistency: page 0x0; at page head addr 0xffff80002179bf90 (p 0xffff80002179a000)
sockpl 456 249 0 155 12 0 12 12 0 8 0
mcl64k 65536 4 0 4 1 0 1 1 0 8 1
mcl16k 16384 3 0 3 1 0 1 1 0 8 1
mcl12k 12288 4 0 4 1 0 1 1 0 8 1
mcl8k 8192 14 0 14 1 0 1 1 0 8 1
mcl4k 4096 18 0 18 1 0 1 1 0 8 1
mcl2k 2048 70351 0 70288 12 0 12 12 0 8 3
mtagpl 96 8 0 4 2 1 1 1 0 8 0
mbufpl 256 111390 0 111173 18 0 18 18 0 8 0
bufpl 288 3588 0 128 248 0 248 248 0 8 0
anonpl 24 70301 0 55537 94 1 93 93 0 188 3
amapchunkpl 152 5577 0 4960 27 1 26 26 0 158 1
amappl16 200 820 0 326 30 1 29 29 0 8 0
amappl15 192 102 0 94 1 0 1 1 0 8 0
amappl14 184 36 0 28 1 0 1 1 0 8 0
amappl13 176 80 0 78 1 0 1 1 0 8 0
amappl12 168 30 0 22 1 0 1 1 0 8 0
amappl11 160 91 0 74 1 0 1 1 0 8 0
amappl10 152 18 0 15 1 0 1 1 0 8 0
amappl9 144 510 0 501 1 0 1 1 0 8 0
amappl8 136 545 0 499 2 0 2 2 0 8 0
amappl7 128 122 0 107 1 0 1 1 0 8 0
amappl6 120 202 0 190 2 1 1 2 0 8 0
amappl5 112 134 0 122 1 0 1 1 0 8 0
amappl4 104 823 0 794 2 1 1 2 0 8 0
amappl3 96 711 0 662 2 0 2 2 0 8 0
amappl2 88 435 0 401 2 0 2 2 0 8 0
amappl1 80 12728 0 12091 19 2 17 19 0 8 2
amappl 88 1892 0 1749 4 0 4 4 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 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 457 0 431 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 457 0 431 1 0 1 1 0 8 0
vmmpekpl 168 8322 0 8276 3 0 3 3 0 8 0
vmmpepl 168 47646 0 45301 141 0 141 141 0 357 35
vmsppl 272 456 0 431 4 1 3 3 0 8 1
rwobjpl 24 14050 0 10935 19 0 19 19 0 8 0
pdppl 4096 920 0 862 97 33 64 70 0 8 6
pvpl 32 251439 0 232634 254 1 253 254 0 265 99
pmappl 216 456 0 431 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 599 0 37 17 0 17 17 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263468b) at panic+0x161 sys/kern/subr_prf.c:198
wakeup_n(fffffd807dadfda0,ffffffff) at wakeup_n+0x131 sys/kern/kern_synch.c:549
sd_buf_done(fffffd807f55bd80) at sd_buf_done+0x1f9 sys/scsi/sd.c:772
vioscsi_vq_done(ffff8000000a2228) at vioscsi_vq_done+0xa1 sys/dev/pv/vioscsi.c:349
virtio_check_vqs(ffff80000002f400) at virtio_check_vqs+0x160 sys/dev/pv/virtio.c:228
intr_handler(ffff80002e8fb050,ffff80000004f980) at intr_handler+0x4b sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
softintr_dispatch(0) at softintr_dispatch+0xc4 sys/arch/amd64/amd64/softintr.c:103
Xsoftclock() at Xsoftclock+0x1f
buf_get(0,0,10000000) at buf_get+0x750 sys/kern/vfs_bio.c:1186
geteblk(10000000) at geteblk+0x2c sys/kern/vfs_bio.c:1061
readdisklabel(2902,ffffffff81d38440,ffff800000c4da00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96
vndopen(2902,819,2000,ffff8000265f8010) at vndopen+0x17a sys/dev/vnd.c:203
spec_open(ffff80002e8fb588) at spec_open+0x3df sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806e44bdd8,819,fffffd807f7d7820,ffff8000265f8010) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138
vn_open(ffff80002e8fb7d8,819,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177
doopenat(ffff8000265f8010,ffffff9c,20000080,818,0,ffff80002e8fb9c0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff80002e8fba30) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd4fd0905ac0, count: -21
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263468b) at panic+0x161 sys/kern/subr_prf.c:198
wakeup_n(fffffd807dadfda0,ffffffff) at wakeup_n+0x131 sys/kern/kern_synch.c:549
sd_buf_done(fffffd807f55bd80) at sd_buf_done+0x1f9 sys/scsi/sd.c:772
vioscsi_vq_done(ffff8000000a2228) at vioscsi_vq_done+0xa1 sys/dev/pv/vioscsi.c:349
virtio_check_vqs(ffff80000002f400) at virtio_check_vqs+0x160 sys/dev/pv/virtio.c:228
intr_handler(ffff80002e8fb050,ffff80000004f980) at intr_handler+0x4b sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
softintr_dispatch(0) at softintr_dispatch+0xc4 sys/arch/amd64/amd64/softintr.c:103
Xsoftclock() at Xsoftclock+0x1f
buf_get(0,0,10000000) at buf_get+0x750 sys/kern/vfs_bio.c:1186
geteblk(10000000) at geteblk+0x2c sys/kern/vfs_bio.c:1061
readdisklabel(2902,ffffffff81d38440,ffff800000c4da00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96
vndopen(2902,819,2000,ffff8000265f8010) at vndopen+0x17a sys/dev/vnd.c:203
spec_open(ffff80002e8fb588) at spec_open+0x3df sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806e44bdd8,819,fffffd807f7d7820,ffff8000265f8010) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138
vn_open(ffff80002e8fb7d8,819,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177
doopenat(ffff8000265f8010,ffffff9c,20000080,818,0,ffff80002e8fb9c0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff80002e8fba30) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd4fd0905ac0, count: -21
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: c6821aa4c746 Align description of -g and -u with mount_tmp..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=132d1715080000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=b56514a324652eec0c1b
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b56514...@syzkaller.appspotmail.com
panic: wakeup: p_stat is 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263468b) at panic+0x161 sys/kern/subr_prf.c:198
wakeup_n(fffffd807dadfda0,ffffffff) at wakeup_n+0x131 sys/kern/kern_synch.c:549
sd_buf_done(fffffd807f55bd80) at sd_buf_done+0x1f9 sys/scsi/sd.c:772
vioscsi_vq_done(ffff8000000a2228) at vioscsi_vq_done+0xa1 sys/dev/pv/vioscsi.c:349
virtio_check_vqs(ffff80000002f400) at virtio_check_vqs+0x160 sys/dev/pv/virtio.c:228
intr_handler(ffff80002e8fb050,ffff80000004f980) at intr_handler+0x4b sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
softintr_dispatch(0) at softintr_dispatch+0xc4 sys/arch/amd64/amd64/softintr.c:103
Xsoftclock() at Xsoftclock+0x1f
buf_get(0,0,10000000) at buf_get+0x750 sys/kern/vfs_bio.c:1186
geteblk(10000000) at geteblk+0x2c sys/kern/vfs_bio.c:1061
readdisklabel(2902,ffffffff81d38440,ffff800000c4da00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96
end trace frame: 0xffff80002e8fb500, 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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: wakeup: p_stat is 0
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263468b) at panic+0x161 sys/kern/subr_prf.c:198
wakeup_n(fffffd807dadfda0,ffffffff) at wakeup_n+0x131 sys/kern/kern_synch.c:549
sd_buf_done(fffffd807f55bd80) at sd_buf_done+0x1f9 sys/scsi/sd.c:772
vioscsi_vq_done(ffff8000000a2228) at vioscsi_vq_done+0xa1 sys/dev/pv/vioscsi.c:349
virtio_check_vqs(ffff80000002f400) at virtio_check_vqs+0x160 sys/dev/pv/virtio.c:228
intr_handler(ffff80002e8fb050,ffff80000004f980) at intr_handler+0x4b sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
softintr_dispatch(0) at softintr_dispatch+0xc4 sys/arch/amd64/amd64/softintr.c:103
Xsoftclock() at Xsoftclock+0x1f
buf_get(0,0,10000000) at buf_get+0x750 sys/kern/vfs_bio.c:1186
geteblk(10000000) at geteblk+0x2c sys/kern/vfs_bio.c:1061
readdisklabel(2902,ffffffff81d38440,ffff800000c4da00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96
vndopen(2902,819,2000,ffff8000265f8010) at vndopen+0x17a sys/dev/vnd.c:203
spec_open(ffff80002e8fb588) at spec_open+0x3df sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806e44bdd8,819,fffffd807f7d7820,ffff8000265f8010) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138
vn_open(ffff80002e8fb7d8,819,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177
doopenat(ffff8000265f8010,ffffff9c,20000080,818,0,ffff80002e8fb9c0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff80002e8fba30) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd4fd0905ac0, count: -21
ddb> show registers
rdi 0
rsi 0x1
rbp 0xffff80002e8fae10
rbx 0
rdx 0
rcx 0
rax 0xffff8000265f8010
r8 0x101010101010101
r9 0x8080808080808080
r10 0x997fd8c9fc26e9b6
r11 0x8822fffbe9f1c199
r12 0
r13 0xffff80002179a008
r14 0
r15 0x1
rip 0xffffffff81b5ffb8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002e8fae00
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb> show proc
PROC () pid=317681 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=70, usrpri=46, nice=0
forw=0xffffffffffffffff, list=0xffff8000265f9cf0,0xffffffff82a59fb8
process=0xffff8000217113b0 user=0xffff80002e8f6000, vmspace=0xfffffd806c397670
estcpu=36, cpticks=16, pctcpu=0.0
user=0, sys=16, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10176 6531K 6668K 78643K 11310 0
pcb 14 8K 8K 78643K 30 0
rtable 234 6K 6K 78643K 351 0
ifaddr 82 16K 16K 78643K 84 0
sysctl 2 0K 0K 78643K 2 0
counters 27 17K 17K 78643K 27 0
ioctlops 0 0K 2K 78643K 36 0
iov 1 0K 12K 78643K 4 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1274 80K 80K 78643K 1302 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 0K 0K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 15 53K 77K 78643K 183 0
proc 57 59K 75K 78643K 452 0
subproc 104 6K 6K 78643K 104 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 99 6K 6K 78643K 99 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 43 201K 201K 78643K 43 0
exec 0 0K 2K 78643K 622 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 8 62K 62K 78643K 8 0
UVM amap 213 76K 77K 78643K 2328 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 11 0K 2K 78643K 27 0
temp 83 4704K 4768K 78643K 3685 0
kqueue 12 18K 20K 78643K 25 0
SYN cache 2 16K 16K 78643K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 37 0 34 1 0 1 1 0 8 0
rtentry 112 111 0 1 4 0 4 4 0 8 0
unpcb 144 66 0 49 1 0 1 1 0 8 0
syncache 296 4 0 4 1 1 0 1 0 8 0
tcpqe 32 60 0 60 1 0 1 1 0 8 1
tcpcb 768 84 0 4 8 0 8 8 0 8 0
arp 88 18 0 0 1 0 1 1 0 8 0
inpcb 320 146 0 73 7 0 7 7 0 8 0
nd6 48 24 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 453 0 0 29 0 29 29 0 8 0
art_table 32 454 0 0 4 0 4 4 0 8 0
art_node 16 110 0 10 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dirhash: pool(0xffffffff82aa0240:dirhash): free list modified: page 0xffff8000216f8000; item ordinal 0; addr 0xffff8000216f9400 (p 0xfffffd8078b3a000); offset 0x0=0x0
pool(dirhash): free list modified: page 0xffff8000216f8000; item ordinal 0; addr 0xffff8000216f9400 (p 0xfffffd8078b3a000); offset 0x0=0x0
dirhash: pool(0xffffffff82aa0240:dirhash): page inconsistency: page 0xffff8000216f8000; item ordinal 1; addr 0x525b53c903d8f9e9
dino2pl 256 1536 0 106 90 0 90 90 0 8 0
ffsino 240 1536 0 106 85 0 85 85 0 8 0
nchpl 144 1882 0 208 63 0 63 63 0 8 0
uvmvnodes 80 1664 0 0 34 0 34 34 0 8 0
vnodes 216 1664 0 0 93 0 93 93 0 8 0
namei 1024 6241 0 6240 2 1 1 2 0 8 0
namei: pool(0xffffffff829b29d0:namei): free list modified: page 0xffff80002172c000; item ordinal 0; addr 0xffff80002172d800 (p 0xfffffd806b474000); offset 0x0=0x0
pool(namei): free list modified: page 0xffff80002172c000; item ordinal 0; addr 0xffff80002172d800 (p 0xfffffd806b474000); offset 0x0=0x0
namei: pool(0xffffffff829b29d0:namei): page inconsistency: page 0xffff80002172c000; item ordinal 1; addr 0xa71b330a261dba7e
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 5523 0 5522 2 1 1 2 0 8 0
plimitpl 152 25 0 10 1 0 1 1 0 8 0
sigapl 424 473 0 430 6 0 6 6 0 8 0
futexpl 64 899 0 895 1 0 1 1 0 8 0
knotepl 120 7842 0 7762 4 0 4 4 0 8 0
kqueuepl 184 33 0 24 1 0 1 1 0 8 0
pipepl 288 146 0 118 3 0 3 3 0 8 0
fdescpl 432 457 0 431 4 0 4 4 0 8 0
filepl 120 1970 0 1659 10 0 10 10 0 8 0
lockfpl 104 8 0 6 1 0 1 1 0 8 0
lockfspl 48 5 0 3 1 0 1 1 0 8 0
sessionpl 144 23 0 7 1 0 1 1 0 8 0
pgrppl 48 23 0 7 1 0 1 1 0 8 0
ucredpl 104 148 0 137 1 0 1 1 0 8 0
zombiepl 144 431 0 430 1 0 1 1 0 8 0
processpl 1000 473 0 430 8 1 7 7 0 8 1
processpl: pool(0xffffffff82a5a1b8:processpl): page inconsistency: page 0x0; at page head addr 0xffff8000231f3f90 (p 0xffff8000231f2000)
processpl: pool(0xffffffff82a5a1b8:processpl): page inconsistency: page 0x0; at page head addr 0xffff800021713f90 (p 0xffff800021712000)
processpl: pool(0xffffffff82a5a1b8:processpl): page inconsistency: page 0x0; at page head addr 0xffff800021711f90 (p 0xffff800021710000)
procpl 672 572 0 510 6 0 6 6 0 8 0
procpl: pool(0xffffffff82a5a010:procpl): page inconsistency: page 0x0; at page head addr 0xffff80002179bf90 (p 0xffff80002179a000)
sockpl 456 249 0 155 12 0 12 12 0 8 0
mcl64k 65536 4 0 4 1 0 1 1 0 8 1
mcl16k 16384 3 0 3 1 0 1 1 0 8 1
mcl12k 12288 4 0 4 1 0 1 1 0 8 1
mcl8k 8192 14 0 14 1 0 1 1 0 8 1
mcl4k 4096 18 0 18 1 0 1 1 0 8 1
mcl2k 2048 70351 0 70288 12 0 12 12 0 8 3
mtagpl 96 8 0 4 2 1 1 1 0 8 0
mbufpl 256 111390 0 111173 18 0 18 18 0 8 0
bufpl 288 3588 0 128 248 0 248 248 0 8 0
anonpl 24 70301 0 55537 94 1 93 93 0 188 3
amapchunkpl 152 5577 0 4960 27 1 26 26 0 158 1
amappl16 200 820 0 326 30 1 29 29 0 8 0
amappl15 192 102 0 94 1 0 1 1 0 8 0
amappl14 184 36 0 28 1 0 1 1 0 8 0
amappl13 176 80 0 78 1 0 1 1 0 8 0
amappl12 168 30 0 22 1 0 1 1 0 8 0
amappl11 160 91 0 74 1 0 1 1 0 8 0
amappl10 152 18 0 15 1 0 1 1 0 8 0
amappl9 144 510 0 501 1 0 1 1 0 8 0
amappl8 136 545 0 499 2 0 2 2 0 8 0
amappl7 128 122 0 107 1 0 1 1 0 8 0
amappl6 120 202 0 190 2 1 1 2 0 8 0
amappl5 112 134 0 122 1 0 1 1 0 8 0
amappl4 104 823 0 794 2 1 1 2 0 8 0
amappl3 96 711 0 662 2 0 2 2 0 8 0
amappl2 88 435 0 401 2 0 2 2 0 8 0
amappl1 80 12728 0 12091 19 2 17 19 0 8 2
amappl 88 1892 0 1749 4 0 4 4 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 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 457 0 431 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 457 0 431 1 0 1 1 0 8 0
vmmpekpl 168 8322 0 8276 3 0 3 3 0 8 0
vmmpepl 168 47646 0 45301 141 0 141 141 0 357 35
vmsppl 272 456 0 431 4 1 3 3 0 8 1
rwobjpl 24 14050 0 10935 19 0 19 19 0 8 0
pdppl 4096 920 0 862 97 33 64 70 0 8 6
pvpl 32 251439 0 232634 254 1 253 254 0 265 99
pmappl 216 456 0 431 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 599 0 37 17 0 17 17 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263468b) at panic+0x161 sys/kern/subr_prf.c:198
wakeup_n(fffffd807dadfda0,ffffffff) at wakeup_n+0x131 sys/kern/kern_synch.c:549
sd_buf_done(fffffd807f55bd80) at sd_buf_done+0x1f9 sys/scsi/sd.c:772
vioscsi_vq_done(ffff8000000a2228) at vioscsi_vq_done+0xa1 sys/dev/pv/vioscsi.c:349
virtio_check_vqs(ffff80000002f400) at virtio_check_vqs+0x160 sys/dev/pv/virtio.c:228
intr_handler(ffff80002e8fb050,ffff80000004f980) at intr_handler+0x4b sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
softintr_dispatch(0) at softintr_dispatch+0xc4 sys/arch/amd64/amd64/softintr.c:103
Xsoftclock() at Xsoftclock+0x1f
buf_get(0,0,10000000) at buf_get+0x750 sys/kern/vfs_bio.c:1186
geteblk(10000000) at geteblk+0x2c sys/kern/vfs_bio.c:1061
readdisklabel(2902,ffffffff81d38440,ffff800000c4da00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96
vndopen(2902,819,2000,ffff8000265f8010) at vndopen+0x17a sys/dev/vnd.c:203
spec_open(ffff80002e8fb588) at spec_open+0x3df sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806e44bdd8,819,fffffd807f7d7820,ffff8000265f8010) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138
vn_open(ffff80002e8fb7d8,819,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177
doopenat(ffff8000265f8010,ffffff9c,20000080,818,0,ffff80002e8fb9c0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff80002e8fba30) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd4fd0905ac0, count: -21
ddb> machine ddbcpu 1
No such command
ddb> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8263468b) at panic+0x161 sys/kern/subr_prf.c:198
wakeup_n(fffffd807dadfda0,ffffffff) at wakeup_n+0x131 sys/kern/kern_synch.c:549
sd_buf_done(fffffd807f55bd80) at sd_buf_done+0x1f9 sys/scsi/sd.c:772
vioscsi_vq_done(ffff8000000a2228) at vioscsi_vq_done+0xa1 sys/dev/pv/vioscsi.c:349
virtio_check_vqs(ffff80000002f400) at virtio_check_vqs+0x160 sys/dev/pv/virtio.c:228
intr_handler(ffff80002e8fb050,ffff80000004f980) at intr_handler+0x4b sys/arch/amd64/amd64/intr.c:537
Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f
Xspllower() at Xspllower+0x19
softintr_dispatch(0) at softintr_dispatch+0xc4 sys/arch/amd64/amd64/softintr.c:103
Xsoftclock() at Xsoftclock+0x1f
buf_get(0,0,10000000) at buf_get+0x750 sys/kern/vfs_bio.c:1186
geteblk(10000000) at geteblk+0x2c sys/kern/vfs_bio.c:1061
readdisklabel(2902,ffffffff81d38440,ffff800000c4da00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96
vndopen(2902,819,2000,ffff8000265f8010) at vndopen+0x17a sys/dev/vnd.c:203
spec_open(ffff80002e8fb588) at spec_open+0x3df sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806e44bdd8,819,fffffd807f7d7820,ffff8000265f8010) at VOP_OPEN+0x6c sys/kern/vfs_vops.c:138
vn_open(ffff80002e8fb7d8,819,0) at vn_open+0x467 sys/kern/vfs_vnops.c:177
doopenat(ffff8000265f8010,ffffff9c,20000080,818,0,ffff80002e8fb9c0) at doopenat+0x26a sys/kern/vfs_syscalls.c:1127
syscall(ffff80002e8fba30) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd4fd0905ac0, count: -21
---
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syzbot
Dec 10, 2022, 9:26:30 AM12/10/22
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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