panic: pool_do_get: rwobjpl: page empty
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syzbot
Apr 8, 2024, 2:37:26 PMApr 8
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: e16d075e3f83 drm: panel-orientation-quirks: Add quirk for ..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=122283a9180000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=bd53127be83ded974104
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/77a6ac74ea5c/disk-e16d075e.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/46286cdd2d99/bsd-e16d075e.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/8414de5e188e/kernel-e16d075e.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bd5312...@syzkaller.appspotmail.com
2panic: pool_do_get: rwobjpl: page empty
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
286989 41604 0 0x8000000 0 0 syz-executor.6
*170194 41604 0 0x8000000 0x4000000 1K syz-executor.6
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8294527e) at panic+0x17b sys/kern/subr_prf.c:198
pool_do_get(ffffffff82e59900,1,ffff800030af5448) at pool_do_get+0x40f sys/kern/subr_pool.c:726
pool_get(ffffffff82e59900,1) at pool_get+0xf0 sys/kern/subr_pool.c:582
_rw_obj_alloc_flags(fffffd80735c05a8,ffffffff829197e8,0,ffffffff82ccf640) at _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
uvm_obj_init(fffffd80735c05a8,ffffffff82c48960,0) at uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 sys/kern/vfs_subr.c:413
ffs_vget(ffff8000006d2400,1faa3,ffff800030af5820) at ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
ffs_inode_alloc(fffffd806b25d230,8000,fffffd807f7d7820,ffff800030af5820) at ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
ufs_makeinode(8000,fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88) at ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
ufs_create(ffff800030af58d0) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88,ffff800030af5958) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
vn_open(ffff800030af5b28,201,0) at vn_open+0x353 sys/kern/vfs_vnops.c:116
doopenat(ffff80002bcb22b8,ffffff9c,20000040,200,0,ffff800030af5cd0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
end trace frame: 0xffff800030af5d70, 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: pool_do_get: rwobjpl: page empty
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8294527e) at panic+0x17b sys/kern/subr_prf.c:198
pool_do_get(ffffffff82e59900,1,ffff800030af5448) at pool_do_get+0x40f sys/kern/subr_pool.c:726
pool_get(ffffffff82e59900,1) at pool_get+0xf0 sys/kern/subr_pool.c:582
_rw_obj_alloc_flags(fffffd80735c05a8,ffffffff829197e8,0,ffffffff82ccf640) at _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
uvm_obj_init(fffffd80735c05a8,ffffffff82c48960,0) at uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 sys/kern/vfs_subr.c:413
ffs_vget(ffff8000006d2400,1faa3,ffff800030af5820) at ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
ffs_inode_alloc(fffffd806b25d230,8000,fffffd807f7d7820,ffff800030af5820) at ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
ufs_makeinode(8000,fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88) at ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
ufs_create(ffff800030af58d0) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88,ffff800030af5958) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
vn_open(ffff800030af5b28,201,0) at vn_open+0x353 sys/kern/vfs_vnops.c:116
doopenat(ffff80002bcb22b8,ffffff9c,20000040,200,0,ffff800030af5cd0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff800030af5d80) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800030af5d80) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8aba0146ba0, count: -16
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800030af52a0
rbx 0xffff800029ceccbf
rdx 0xffff800000e61640
rcx 0xffff80002bcb22b8
rax 0xffff800029cebff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xfec44baf9f3c0ff9
r11 0x20038a61a843526d
r12 0xffff800029cecac0
r13 0
r14 0
r15 0x1
rip 0xffffffff814fdf4c db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff800030af5290
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.6) tid=170194 pid=41604 tcnt=2 stat=onproc
flags process=8000000 proc=4000000<THREAD>
runpri=32, usrpri=64, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a149488,0xffffffff82e911d8
process=0xffff80002a158008 user=0xffff800030af0000, vmspace=0xfffffd806b6ec540
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
41604 286989 16406 0 7 0x8000000 syz-executor.6
*41604 170194 16406 0 7 0xc000000 syz-executor.6
16406 433166 18653 0 3 0x8000082 nanoslp syz-executor.6
47142 224213 73316 0 2 0x8000000 syz-executor.4
47142 129997 73316 0 3 0xc000080 netio syz-executor.4
47142 454532 73316 0 3 0xc000000 netlck syz-executor.4
47142 141 73316 0 2 0xc000000 syz-executor.4
9496 56001 67978 0 3 0x8000080 nanoslp syz-executor.3
9496 400936 67978 0 3 0xc000080 ttyin syz-executor.3
9496 273230 67978 0 3 0xc000080 fsleep syz-executor.3
86934 8577 58530 0 3 0x8000080 nanoslp syz-executor.7
86934 365283 58530 0 3 0xc000080 fifow syz-executor.7
86934 231529 58530 0 3 0xc000080 fifow syz-executor.7
88492 503624 15731 0 3 0x8000080 nanoslp syz-executor.2
88492 228438 15731 0 3 0xc000080 kqsel syz-executor.2
84239 436222 43761 0 3 0x8000090 nanoslp syz-executor.5
84239 179688 43761 0 3 0xc000090 netcon syz-executor.5
84239 248121 43761 0 3 0xc000090 fsleep syz-executor.5
39880 226369 0 0 3 0x14200 acct acct
73316 341433 18653 0 3 0x8000082 nanoslp syz-executor.4
87510 252049 18653 0 3 0x8000082 nanoslp syz-executor.1
67978 521785 18653 0 3 0x8000082 nanoslp syz-executor.3
43761 521007 18653 0 3 0x8000082 nanoslp syz-executor.5
15731 521865 18653 0 3 0x8000082 nanoslp syz-executor.2
15894 168066 18653 0 3 0x8000082 nanoslp syz-executor.0
1100 2122 1 0 3 0x18100083 ttyin getty
58530 443616 18653 0 3 0x8000082 nanoslp syz-executor.7
34532 270973 0 0 3 0x14200 bored sosplice
18653 139005 61442 0 3 0x1a000082 wait syz-fuzzer
18653 206585 61442 0 3 0x1e000082 nanoslp syz-fuzzer
18653 238797 61442 0 3 0x1e000082 wait syz-fuzzer
18653 518587 61442 0 3 0x1e000082 kqread syz-fuzzer
18653 248201 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 502797 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 45082 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 257743 61442 0 3 0x1e000082 wait syz-fuzzer
18653 305724 61442 0 3 0x1e000082 wait syz-fuzzer
18653 396502 61442 0 3 0x1e000082 wait syz-fuzzer
18653 178187 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 369995 61442 0 3 0x1e000082 wait syz-fuzzer
18653 278120 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 229039 61442 0 3 0x1e000082 wait syz-fuzzer
18653 323441 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 238187 61442 0 3 0x1e000082 wait syz-fuzzer
61442 387239 64339 0 3 0x810008a sigsusp ksh
64339 406985 63277 0 3 0x1800009a kqread sshd
63277 42682 1 0 3 0x18000088 kqread sshd
67868 2642 31419 74 3 0x19100092 bpf pflogd
31419 214094 1 0 3 0x18000080 sbwait pflogd
50292 234937 34493 73 3 0x19100090 kqread syslogd
34493 122941 1 0 3 0x18100082 sbwait syslogd
23298 172524 1 0 3 0x18100080 kqread resolvd
69386 125984 97373 77 3 0x18100092 kqread dhcpleased
85433 65080 97373 77 3 0x18100092 kqread dhcpleased
97373 83256 1 0 3 0x18000080 kqread dhcpleased
17880 117153 0 0 3 0x14200 bored smr
41133 241602 0 0 2 0x14200 zerothread
25261 41047 0 0 3 0x14200 aiodoned aiodoned
8090 45804 0 0 3 0x14200 syncer update
77915 430090 0 0 3 0x14200 cleaner cleaner
95003 395071 0 0 3 0x14200 reaper reaper
117 26552 0 0 3 0x14200 pgdaemon pagedaemon
37309 23822 0 0 3 0x14200 bored viomb
7800 205954 0 0 3 0x40014200 acpi0 acpi0
96021 509874 0 0 3 0x40014200 idle1
38994 224243 0 0 3 0x14200 bored softnet3
64613 301238 0 0 3 0x14200 bored softnet2
51909 454987 0 0 3 0x14200 bored softnet1
60383 509260 0 0 3 0x14200 bored softnet0
74143 253779 0 0 3 0x14200 bored systqmp
15817 492130 0 0 3 0x14200 bored systq
50736 510043 0 0 3 0x14200 tmoslp softclockmp
30981 237983 0 0 3 0x40014200 tmoslp softclock
75667 390448 0 0 3 0x40014200 idle0
1 522426 0 0 3 0x8080082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex rwobjpl r = 0 (0xffffffff82e59910)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 mtx_enter_try+0x103
#2 mtx_enter+0x4e sys/kern/kern_lock.c:266
#3 pool_get+0xc4 sys/kern/subr_pool.c:579
#4 _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
#5 uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
#6 getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
#6 getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
#6 getnewvnode+0x116 sys/kern/vfs_subr.c:413
#7 ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
#8 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
#9 ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
#10 ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
#11 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
#12 vn_open+0x353 sys/kern/vfs_vnops.c:116
#13 doopenat+0x269 sys/kern/vfs_syscalls.c:1126
#14 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#14 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#15 Xsyscall+0x128
Process 41604 (syz-executor.6) thread 0xffff80002bcb22b8 (170194)
exclusive rrwlock inode r = 0 (0xfffffd806b25d2c8)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 rw_enter+0x32a sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418
#6 namei+0x56a sys/kern/vfs_lookup.c:250
#7 vn_open+0x180 sys/kern/vfs_vnops.c:107
#8 doopenat+0x269 sys/kern/vfs_syscalls.c:1126
#9 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#9 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#10 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82dba960)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline]
#1 syscall+0x83b sys/arch/amd64/amd64/trap.c:577
#2 Xsyscall+0x128
exclusive mutex rwobjpl r = 0 (0xffffffff82e59910)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 mtx_enter_try+0x103
#2 mtx_enter+0x4e sys/kern/kern_lock.c:266
#3 pool_get+0xc4 sys/kern/subr_pool.c:579
#4 _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
#5 uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
#6 getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
#6 getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
#6 getnewvnode+0x116 sys/kern/vfs_subr.c:413
#7 ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
#8 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
#9 ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
#10 ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
#11 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
#12 vn_open+0x353 sys/kern/vfs_vnops.c:116
#13 doopenat+0x269 sys/kern/vfs_syscalls.c:1126
#14 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#14 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#15 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10186 6499K 6674K 166960K 11769 0
pcb 17 10K 10K 166960K 220 0
rtable 224 7K 8K 166960K 914 0
pf 30 9K 10K 166960K 103 0
ifaddr 41 15K 15K 166960K 121 0
ifgroup 51 2K 2K 166960K 159 0
sysctl 4 1K 1K 166960K 4 0
counters 62 36K 36K 166960K 118 0
ioctlops 0 0K 4K 166960K 1579 0
iov 1 4K 18K 166960K 143 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1363 86K 86K 166960K 2121 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 9K 166960K 33 0
VM map 2 1K 1K 166960K 2 0
sem 12 1K 1K 166960K 13 0
dirhash 12 2K 3K 166960K 63 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 16 57K 93K 166960K 1975 0
sigio 0 0K 0K 166960K 43 0
proc 71 91K 115K 166960K 1069 0
subproc 104 6K 6K 166960K 290 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 236 0
in_multi 89 6K 7K 166960K 337 0
ether_multi 1 0K 0K 166960K 14 0
mrt 2 0K 0K 166960K 11 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 770 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 344 135K 148K 166960K 19295 0
UVM aobj 87 5K 5K 166960K 93 0
pinsyscall 40 80K 108K 166960K 3538 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 1 0K 0K 166960K 186 0
NDP 13 0K 2K 166960K 83 0
temp 76 6812K 6940K 166960K 32373 0
kqueue 13 20K 29K 166960K 259 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 120 183 0 180 1 0 1 1 0 8 0
rtentry 112 305 0 204 4 0 4 4 0 8 0
unpcb 144 1289 0 1267 4 3 1 2 0 8 0
syncache 336 33 0 33 7 6 1 1 0 8 1
sackhl 24 1 0 1 1 1 0 1 0 8 0
tcpqe 32 197 224 197 4 4 0 1 0 8 0
tcpcb 808 674 0 648 5 1 4 4 0 8 0
arp 120 58 0 40 1 0 1 1 0 8 0
ipq 40 1 0 1 1 0 1 1 0 8 1
ipqe 40 3 0 3 1 0 1 1 0 8 1
inpcb 392 1944 0 1905 7 2 5 5 0 8 1
nd6 136 71 0 50 1 0 1 1 0 8 0
pkpcb 40 11 0 11 6 5 1 1 0 8 1
kcovpl 48 22 0 14 1 0 1 1 0 8 0
ppxss 1168 6 0 6 4 4 0 1 0 8 0
pffrag 232 11 0 8 1 0 1 1 0 482 0
pffrnode 88 11 0 8 1 0 1 1 0 8 0
pffrent 40 103 0 100 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 24 140 0 108 1 0 1 1 0 8 0
pfstkey 128 140 0 108 2 0 2 2 0 8 0
pfstate 376 140 0 108 6 0 6 6 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1135 0 704 38 11 27 30 0 8 0
art_table 32 1136 0 704 4 0 4 4 0 8 0
art_node 16 297 0 205 1 0 1 1 0 8 0
sysvmsgpl 40 20 0 12 1 0 1 1 0 8 0
semupl 112 4 0 4 1 1 0 1 0 8 0
semapl 112 11 0 1 1 0 1 1 0 8 0
shmpl 112 90 0 6 3 0 3 3 0 8 0
dirhash 1024 51 0 34 3 0 3 3 0 8 0
dino2pl 256 4458 0 2932 96 0 96 96 0 8 0
ffsino 272 4458 0 2932 103 0 103 103 0 8 0
nchpl 144 7368 0 5622 67 0 67 67 0 8 0
uvmvnodes 80 4917 0 0 101 0 101 101 0 8 0
vnodes 216 4917 0 0 274 0 274 274 0 8 0
namei 1024 23879 0 23878 2 1 1 2 0 8 0
percpumem 16 73 0 28 1 0 1 1 0 8 0
vcpupl 2048 9 0 1 1 0 1 1 0 8 0
vmpool 696 22 0 14 1 0 1 1 0 8 0
kstatmem 264 78 0 56 2 0 2 2 0 8 0
scxspl 216 35242 0 35242 20 17 3 8 1 8 3
plimitpl 152 258 0 242 1 0 1 1 0 8 0
sigapl 424 2267 0 2216 7 0 7 7 0 8 0
futexpl 64 24874 0 24872 2 1 1 1 0 8 0
knotepl 120 380 0 0 11 0 11 11 0 8 0
kqueuepl 216 397 0 386 1 0 1 1 0 8 0
pipepl 320 350 0 322 3 0 3 3 0 8 0
fdescpl 496 2247 0 2218 5 0 5 5 0 8 0
filepl 152 11932 0 11666 11 0 11 11 0 8 0
lockfpl 104 488 0 486 1 0 1 1 0 8 0
lockfspl 48 213 0 211 1 0 1 1 0 8 0
sessionpl 144 42 0 25 1 0 1 1 0 8 0
pgrppl 48 68 0 51 1 0 1 1 0 8 0
ucredpl 104 1685 0 1671 1 0 1 1 0 8 0
zombiepl 144 2218 0 2216 1 0 1 1 0 8 0
processpl 1136 2267 0 2216 5 0 5 5 0 8 1
procpl 656 4346 0 4269 8 1 7 8 0 8 0
srpgc 96 12 0 12 5 5 0 1 0 8 0
sosppl 168 40 0 40 2 1 1 1 0 8 1
sockpl 584 3456 0 3395 5 0 5 5 0 8 0
mcl64k 65536 17 0 0 3 0 3 3 0 8 0
mcl16k 16384 15 0 0 2 0 2 2 0 8 0
mcl12k 12288 10 0 0 1 0 1 1 0 8 0
mcl9k 9216 5 0 0 1 0 1 1 0 8 0
mcl8k 8192 14 0 0 2 0 2 2 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 8 0 0 1 0 1 1 0 8 0
mcl2k 2048 344 0 0 43 0 43 43 0 8 0
mtagpl 96 7 0 0 1 0 1 1 0 8 0
mbufpl 256 375 0 0 24 0 24 24 0 8 0
bufpl 280 9768 0 3513 447 0 447 447 0 8 0
anonpl 24 393592 0 387471 110 43 67 68 0 186 14
amapchunkpl 152 61505 0 60802 57 16 41 41 0 158 10
amappl16 200 9680 0 9573 39 29 10 21 0 8 1
amappl15 192 14 0 14 1 1 0 1 0 8 0
amappl14 184 209 0 194 2 1 1 2 0 8 0
amappl13 176 19 0 19 3 3 0 1 0 8 0
amappl12 168 3162 0 3128 2 0 2 2 0 8 0
amappl11 160 59 0 45 1 0 1 1 0 8 0
amappl10 152 60 0 52 1 0 1 1 0 8 0
amappl9 144 316 0 316 4 3 1 1 0 8 1
amappl8 136 435 0 338 5 0 5 5 0 8 0
amappl7 128 96 0 79 1 0 1 1 0 8 0
amappl6 120 574 0 552 2 1 1 2 0 8 0
amappl5 112 323 0 308 1 0 1 1 0 8 0
amappl4 104 760 0 717 4 2 2 3 0 8 0
amappl3 96 11807 0 11718 3 0 3 3 0 8 0
amappl2 88 2819 0 2735 4 2 2 4 0 8 0
amappl1 80 17357 0 16807 24 11 13 23 0 8 0
amappl 88 18444 0 18230 6 0 6 6 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 92 0 6 2 0 2 2 0 8 0
uaddrrnd 24 2269 0 2232 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2269 0 2232 1 0 1 1 0 8 0
vmmpekpl 168 19394 0 19329 4 0 4 4 0 8 0
vmmpepl 168 157230 0 155152 151 42 109 123 0 357 4
vmsppl 440 2268 0 2232 8 3 5 5 0 8 0
rwobjpl 56 48501 0 42267 93 4 89 89 0 8 0
rwobjpl: pool(0xffffffff82e59900:rwobjpl): page inconsistency: page 0x0; at page head addr 0xfffffd80625aaf90 (p 0xfffffd80625aa000)
pdppl 4096 4545 0 4472 205 127 78 83 0 8 5
pvpl 32 48998 0 0 396 0 396 396 0 265 0
pmappl 248 2268 0 2232 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 550 0 152 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffffffff82d40ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
end of kernel
end trace frame: 0x7508fa8cebd0, count: 12
ddb{0}> trace
x86_ipi_db(ffffffff82d40ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
end of kernel
end trace frame: 0x7508fa8cebd0, count: -3
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x1c: addq $0x8,%rsp
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8294527e) at panic+0x17b sys/kern/subr_prf.c:198
pool_do_get(ffffffff82e59900,1,ffff800030af5448) at pool_do_get+0x40f sys/kern/subr_pool.c:726
pool_get(ffffffff82e59900,1) at pool_get+0xf0 sys/kern/subr_pool.c:582
_rw_obj_alloc_flags(fffffd80735c05a8,ffffffff829197e8,0,ffffffff82ccf640) at _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
uvm_obj_init(fffffd80735c05a8,ffffffff82c48960,0) at uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 sys/kern/vfs_subr.c:413
ffs_vget(ffff8000006d2400,1faa3,ffff800030af5820) at ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
ffs_inode_alloc(fffffd806b25d230,8000,fffffd807f7d7820,ffff800030af5820) at ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
ufs_makeinode(8000,fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88) at ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
ufs_create(ffff800030af58d0) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88,ffff800030af5958) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
vn_open(ffff800030af5b28,201,0) at vn_open+0x353 sys/kern/vfs_vnops.c:116
doopenat(ffff80002bcb22b8,ffffff9c,20000040,200,0,ffff800030af5cd0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
end trace frame: 0xffff800030af5d70, count: 0
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8294527e) at panic+0x17b sys/kern/subr_prf.c:198
pool_do_get(ffffffff82e59900,1,ffff800030af5448) at pool_do_get+0x40f sys/kern/subr_pool.c:726
pool_get(ffffffff82e59900,1) at pool_get+0xf0 sys/kern/subr_pool.c:582
_rw_obj_alloc_flags(fffffd80735c05a8,ffffffff829197e8,0,ffffffff82ccf640) at _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
uvm_obj_init(fffffd80735c05a8,ffffffff82c48960,0) at uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 sys/kern/vfs_subr.c:413
ffs_vget(ffff8000006d2400,1faa3,ffff800030af5820) at ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
ffs_inode_alloc(fffffd806b25d230,8000,fffffd807f7d7820,ffff800030af5820) at ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
ufs_makeinode(8000,fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88) at ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
ufs_create(ffff800030af58d0) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88,ffff800030af5958) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
vn_open(ffff800030af5b28,201,0) at vn_open+0x353 sys/kern/vfs_vnops.c:116
doopenat(ffff80002bcb22b8,ffffff9c,20000040,200,0,ffff800030af5cd0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff800030af5d80) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800030af5d80) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8aba0146ba0, count: -16
---
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.
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If the report is already addressed, let syzbot know by replying with:
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If you want to overwrite report's subsystems, reply with:
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#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: e16d075e3f83 drm: panel-orientation-quirks: Add quirk for ..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=122283a9180000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=bd53127be83ded974104
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/77a6ac74ea5c/disk-e16d075e.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/46286cdd2d99/bsd-e16d075e.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/8414de5e188e/kernel-e16d075e.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bd5312...@syzkaller.appspotmail.com
2panic: pool_do_get: rwobjpl: page empty
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
286989 41604 0 0x8000000 0 0 syz-executor.6
*170194 41604 0 0x8000000 0x4000000 1K syz-executor.6
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8294527e) at panic+0x17b sys/kern/subr_prf.c:198
pool_do_get(ffffffff82e59900,1,ffff800030af5448) at pool_do_get+0x40f sys/kern/subr_pool.c:726
pool_get(ffffffff82e59900,1) at pool_get+0xf0 sys/kern/subr_pool.c:582
_rw_obj_alloc_flags(fffffd80735c05a8,ffffffff829197e8,0,ffffffff82ccf640) at _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
uvm_obj_init(fffffd80735c05a8,ffffffff82c48960,0) at uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 sys/kern/vfs_subr.c:413
ffs_vget(ffff8000006d2400,1faa3,ffff800030af5820) at ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
ffs_inode_alloc(fffffd806b25d230,8000,fffffd807f7d7820,ffff800030af5820) at ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
ufs_makeinode(8000,fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88) at ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
ufs_create(ffff800030af58d0) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88,ffff800030af5958) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
vn_open(ffff800030af5b28,201,0) at vn_open+0x353 sys/kern/vfs_vnops.c:116
doopenat(ffff80002bcb22b8,ffffff9c,20000040,200,0,ffff800030af5cd0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
end trace frame: 0xffff800030af5d70, 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: pool_do_get: rwobjpl: page empty
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8294527e) at panic+0x17b sys/kern/subr_prf.c:198
pool_do_get(ffffffff82e59900,1,ffff800030af5448) at pool_do_get+0x40f sys/kern/subr_pool.c:726
pool_get(ffffffff82e59900,1) at pool_get+0xf0 sys/kern/subr_pool.c:582
_rw_obj_alloc_flags(fffffd80735c05a8,ffffffff829197e8,0,ffffffff82ccf640) at _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
uvm_obj_init(fffffd80735c05a8,ffffffff82c48960,0) at uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 sys/kern/vfs_subr.c:413
ffs_vget(ffff8000006d2400,1faa3,ffff800030af5820) at ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
ffs_inode_alloc(fffffd806b25d230,8000,fffffd807f7d7820,ffff800030af5820) at ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
ufs_makeinode(8000,fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88) at ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
ufs_create(ffff800030af58d0) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88,ffff800030af5958) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
vn_open(ffff800030af5b28,201,0) at vn_open+0x353 sys/kern/vfs_vnops.c:116
doopenat(ffff80002bcb22b8,ffffff9c,20000040,200,0,ffff800030af5cd0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff800030af5d80) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800030af5d80) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8aba0146ba0, count: -16
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800030af52a0
rbx 0xffff800029ceccbf
rdx 0xffff800000e61640
rcx 0xffff80002bcb22b8
rax 0xffff800029cebff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xfec44baf9f3c0ff9
r11 0x20038a61a843526d
r12 0xffff800029cecac0
r13 0
r14 0
r15 0x1
rip 0xffffffff814fdf4c db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff800030af5290
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.6) tid=170194 pid=41604 tcnt=2 stat=onproc
flags process=8000000 proc=4000000<THREAD>
runpri=32, usrpri=64, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a149488,0xffffffff82e911d8
process=0xffff80002a158008 user=0xffff800030af0000, vmspace=0xfffffd806b6ec540
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
41604 286989 16406 0 7 0x8000000 syz-executor.6
*41604 170194 16406 0 7 0xc000000 syz-executor.6
16406 433166 18653 0 3 0x8000082 nanoslp syz-executor.6
47142 224213 73316 0 2 0x8000000 syz-executor.4
47142 129997 73316 0 3 0xc000080 netio syz-executor.4
47142 454532 73316 0 3 0xc000000 netlck syz-executor.4
47142 141 73316 0 2 0xc000000 syz-executor.4
9496 56001 67978 0 3 0x8000080 nanoslp syz-executor.3
9496 400936 67978 0 3 0xc000080 ttyin syz-executor.3
9496 273230 67978 0 3 0xc000080 fsleep syz-executor.3
86934 8577 58530 0 3 0x8000080 nanoslp syz-executor.7
86934 365283 58530 0 3 0xc000080 fifow syz-executor.7
86934 231529 58530 0 3 0xc000080 fifow syz-executor.7
88492 503624 15731 0 3 0x8000080 nanoslp syz-executor.2
88492 228438 15731 0 3 0xc000080 kqsel syz-executor.2
84239 436222 43761 0 3 0x8000090 nanoslp syz-executor.5
84239 179688 43761 0 3 0xc000090 netcon syz-executor.5
84239 248121 43761 0 3 0xc000090 fsleep syz-executor.5
39880 226369 0 0 3 0x14200 acct acct
73316 341433 18653 0 3 0x8000082 nanoslp syz-executor.4
87510 252049 18653 0 3 0x8000082 nanoslp syz-executor.1
67978 521785 18653 0 3 0x8000082 nanoslp syz-executor.3
43761 521007 18653 0 3 0x8000082 nanoslp syz-executor.5
15731 521865 18653 0 3 0x8000082 nanoslp syz-executor.2
15894 168066 18653 0 3 0x8000082 nanoslp syz-executor.0
1100 2122 1 0 3 0x18100083 ttyin getty
58530 443616 18653 0 3 0x8000082 nanoslp syz-executor.7
34532 270973 0 0 3 0x14200 bored sosplice
18653 139005 61442 0 3 0x1a000082 wait syz-fuzzer
18653 206585 61442 0 3 0x1e000082 nanoslp syz-fuzzer
18653 238797 61442 0 3 0x1e000082 wait syz-fuzzer
18653 518587 61442 0 3 0x1e000082 kqread syz-fuzzer
18653 248201 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 502797 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 45082 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 257743 61442 0 3 0x1e000082 wait syz-fuzzer
18653 305724 61442 0 3 0x1e000082 wait syz-fuzzer
18653 396502 61442 0 3 0x1e000082 wait syz-fuzzer
18653 178187 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 369995 61442 0 3 0x1e000082 wait syz-fuzzer
18653 278120 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 229039 61442 0 3 0x1e000082 wait syz-fuzzer
18653 323441 61442 0 3 0x1e000082 thrsleep syz-fuzzer
18653 238187 61442 0 3 0x1e000082 wait syz-fuzzer
61442 387239 64339 0 3 0x810008a sigsusp ksh
64339 406985 63277 0 3 0x1800009a kqread sshd
63277 42682 1 0 3 0x18000088 kqread sshd
67868 2642 31419 74 3 0x19100092 bpf pflogd
31419 214094 1 0 3 0x18000080 sbwait pflogd
50292 234937 34493 73 3 0x19100090 kqread syslogd
34493 122941 1 0 3 0x18100082 sbwait syslogd
23298 172524 1 0 3 0x18100080 kqread resolvd
69386 125984 97373 77 3 0x18100092 kqread dhcpleased
85433 65080 97373 77 3 0x18100092 kqread dhcpleased
97373 83256 1 0 3 0x18000080 kqread dhcpleased
17880 117153 0 0 3 0x14200 bored smr
41133 241602 0 0 2 0x14200 zerothread
25261 41047 0 0 3 0x14200 aiodoned aiodoned
8090 45804 0 0 3 0x14200 syncer update
77915 430090 0 0 3 0x14200 cleaner cleaner
95003 395071 0 0 3 0x14200 reaper reaper
117 26552 0 0 3 0x14200 pgdaemon pagedaemon
37309 23822 0 0 3 0x14200 bored viomb
7800 205954 0 0 3 0x40014200 acpi0 acpi0
96021 509874 0 0 3 0x40014200 idle1
38994 224243 0 0 3 0x14200 bored softnet3
64613 301238 0 0 3 0x14200 bored softnet2
51909 454987 0 0 3 0x14200 bored softnet1
60383 509260 0 0 3 0x14200 bored softnet0
74143 253779 0 0 3 0x14200 bored systqmp
15817 492130 0 0 3 0x14200 bored systq
50736 510043 0 0 3 0x14200 tmoslp softclockmp
30981 237983 0 0 3 0x40014200 tmoslp softclock
75667 390448 0 0 3 0x40014200 idle0
1 522426 0 0 3 0x8080082 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 1:
exclusive mutex rwobjpl r = 0 (0xffffffff82e59910)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 mtx_enter_try+0x103
#2 mtx_enter+0x4e sys/kern/kern_lock.c:266
#3 pool_get+0xc4 sys/kern/subr_pool.c:579
#4 _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
#5 uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
#6 getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
#6 getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
#6 getnewvnode+0x116 sys/kern/vfs_subr.c:413
#7 ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
#8 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
#9 ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
#10 ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
#11 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
#12 vn_open+0x353 sys/kern/vfs_vnops.c:116
#13 doopenat+0x269 sys/kern/vfs_syscalls.c:1126
#14 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#14 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#15 Xsyscall+0x128
Process 41604 (syz-executor.6) thread 0xffff80002bcb22b8 (170194)
exclusive rrwlock inode r = 0 (0xfffffd806b25d2c8)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 rw_enter+0x32a sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x85 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418
#6 namei+0x56a sys/kern/vfs_lookup.c:250
#7 vn_open+0x180 sys/kern/vfs_vnops.c:107
#8 doopenat+0x269 sys/kern/vfs_syscalls.c:1126
#9 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#9 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#10 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82dba960)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline]
#1 syscall+0x83b sys/arch/amd64/amd64/trap.c:577
#2 Xsyscall+0x128
exclusive mutex rwobjpl r = 0 (0xffffffff82e59910)
#0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x446 sys/kern/subr_witness.c:1187
#1 mtx_enter_try+0x103
#2 mtx_enter+0x4e sys/kern/kern_lock.c:266
#3 pool_get+0xc4 sys/kern/subr_pool.c:579
#4 _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
#5 uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
#6 getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
#6 getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
#6 getnewvnode+0x116 sys/kern/vfs_subr.c:413
#7 ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
#8 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
#9 ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
#10 ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
#11 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
#12 vn_open+0x353 sys/kern/vfs_vnops.c:116
#13 doopenat+0x269 sys/kern/vfs_syscalls.c:1126
#14 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
#14 syscall+0x854 sys/arch/amd64/amd64/trap.c:577
#15 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10186 6499K 6674K 166960K 11769 0
pcb 17 10K 10K 166960K 220 0
rtable 224 7K 8K 166960K 914 0
pf 30 9K 10K 166960K 103 0
ifaddr 41 15K 15K 166960K 121 0
ifgroup 51 2K 2K 166960K 159 0
sysctl 4 1K 1K 166960K 4 0
counters 62 36K 36K 166960K 118 0
ioctlops 0 0K 4K 166960K 1579 0
iov 1 4K 18K 166960K 143 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1363 86K 86K 166960K 2121 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 9K 166960K 33 0
VM map 2 1K 1K 166960K 2 0
sem 12 1K 1K 166960K 13 0
dirhash 12 2K 3K 166960K 63 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 16 57K 93K 166960K 1975 0
sigio 0 0K 0K 166960K 43 0
proc 71 91K 115K 166960K 1069 0
subproc 104 6K 6K 166960K 290 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 2 0K 0K 166960K 236 0
in_multi 89 6K 7K 166960K 337 0
ether_multi 1 0K 0K 166960K 14 0
mrt 2 0K 0K 166960K 11 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 770 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 344 135K 148K 166960K 19295 0
UVM aobj 87 5K 5K 166960K 93 0
pinsyscall 40 80K 108K 166960K 3538 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 1 0K 0K 166960K 186 0
NDP 13 0K 2K 166960K 83 0
temp 76 6812K 6940K 166960K 32373 0
kqueue 13 20K 29K 166960K 259 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 120 183 0 180 1 0 1 1 0 8 0
rtentry 112 305 0 204 4 0 4 4 0 8 0
unpcb 144 1289 0 1267 4 3 1 2 0 8 0
syncache 336 33 0 33 7 6 1 1 0 8 1
sackhl 24 1 0 1 1 1 0 1 0 8 0
tcpqe 32 197 224 197 4 4 0 1 0 8 0
tcpcb 808 674 0 648 5 1 4 4 0 8 0
arp 120 58 0 40 1 0 1 1 0 8 0
ipq 40 1 0 1 1 0 1 1 0 8 1
ipqe 40 3 0 3 1 0 1 1 0 8 1
inpcb 392 1944 0 1905 7 2 5 5 0 8 1
nd6 136 71 0 50 1 0 1 1 0 8 0
pkpcb 40 11 0 11 6 5 1 1 0 8 1
kcovpl 48 22 0 14 1 0 1 1 0 8 0
ppxss 1168 6 0 6 4 4 0 1 0 8 0
pffrag 232 11 0 8 1 0 1 1 0 482 0
pffrnode 88 11 0 8 1 0 1 1 0 8 0
pffrent 40 103 0 100 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 24 140 0 108 1 0 1 1 0 8 0
pfstkey 128 140 0 108 2 0 2 2 0 8 0
pfstate 376 140 0 108 6 0 6 6 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 1135 0 704 38 11 27 30 0 8 0
art_table 32 1136 0 704 4 0 4 4 0 8 0
art_node 16 297 0 205 1 0 1 1 0 8 0
sysvmsgpl 40 20 0 12 1 0 1 1 0 8 0
semupl 112 4 0 4 1 1 0 1 0 8 0
semapl 112 11 0 1 1 0 1 1 0 8 0
shmpl 112 90 0 6 3 0 3 3 0 8 0
dirhash 1024 51 0 34 3 0 3 3 0 8 0
dino2pl 256 4458 0 2932 96 0 96 96 0 8 0
ffsino 272 4458 0 2932 103 0 103 103 0 8 0
nchpl 144 7368 0 5622 67 0 67 67 0 8 0
uvmvnodes 80 4917 0 0 101 0 101 101 0 8 0
vnodes 216 4917 0 0 274 0 274 274 0 8 0
namei 1024 23879 0 23878 2 1 1 2 0 8 0
percpumem 16 73 0 28 1 0 1 1 0 8 0
vcpupl 2048 9 0 1 1 0 1 1 0 8 0
vmpool 696 22 0 14 1 0 1 1 0 8 0
kstatmem 264 78 0 56 2 0 2 2 0 8 0
scxspl 216 35242 0 35242 20 17 3 8 1 8 3
plimitpl 152 258 0 242 1 0 1 1 0 8 0
sigapl 424 2267 0 2216 7 0 7 7 0 8 0
futexpl 64 24874 0 24872 2 1 1 1 0 8 0
knotepl 120 380 0 0 11 0 11 11 0 8 0
kqueuepl 216 397 0 386 1 0 1 1 0 8 0
pipepl 320 350 0 322 3 0 3 3 0 8 0
fdescpl 496 2247 0 2218 5 0 5 5 0 8 0
filepl 152 11932 0 11666 11 0 11 11 0 8 0
lockfpl 104 488 0 486 1 0 1 1 0 8 0
lockfspl 48 213 0 211 1 0 1 1 0 8 0
sessionpl 144 42 0 25 1 0 1 1 0 8 0
pgrppl 48 68 0 51 1 0 1 1 0 8 0
ucredpl 104 1685 0 1671 1 0 1 1 0 8 0
zombiepl 144 2218 0 2216 1 0 1 1 0 8 0
processpl 1136 2267 0 2216 5 0 5 5 0 8 1
procpl 656 4346 0 4269 8 1 7 8 0 8 0
srpgc 96 12 0 12 5 5 0 1 0 8 0
sosppl 168 40 0 40 2 1 1 1 0 8 1
sockpl 584 3456 0 3395 5 0 5 5 0 8 0
mcl64k 65536 17 0 0 3 0 3 3 0 8 0
mcl16k 16384 15 0 0 2 0 2 2 0 8 0
mcl12k 12288 10 0 0 1 0 1 1 0 8 0
mcl9k 9216 5 0 0 1 0 1 1 0 8 0
mcl8k 8192 14 0 0 2 0 2 2 0 8 0
mcl4k 4096 17 0 0 3 0 3 3 0 8 0
mcl2k2 2112 8 0 0 1 0 1 1 0 8 0
mcl2k 2048 344 0 0 43 0 43 43 0 8 0
mtagpl 96 7 0 0 1 0 1 1 0 8 0
mbufpl 256 375 0 0 24 0 24 24 0 8 0
bufpl 280 9768 0 3513 447 0 447 447 0 8 0
anonpl 24 393592 0 387471 110 43 67 68 0 186 14
amapchunkpl 152 61505 0 60802 57 16 41 41 0 158 10
amappl16 200 9680 0 9573 39 29 10 21 0 8 1
amappl15 192 14 0 14 1 1 0 1 0 8 0
amappl14 184 209 0 194 2 1 1 2 0 8 0
amappl13 176 19 0 19 3 3 0 1 0 8 0
amappl12 168 3162 0 3128 2 0 2 2 0 8 0
amappl11 160 59 0 45 1 0 1 1 0 8 0
amappl10 152 60 0 52 1 0 1 1 0 8 0
amappl9 144 316 0 316 4 3 1 1 0 8 1
amappl8 136 435 0 338 5 0 5 5 0 8 0
amappl7 128 96 0 79 1 0 1 1 0 8 0
amappl6 120 574 0 552 2 1 1 2 0 8 0
amappl5 112 323 0 308 1 0 1 1 0 8 0
amappl4 104 760 0 717 4 2 2 3 0 8 0
amappl3 96 11807 0 11718 3 0 3 3 0 8 0
amappl2 88 2819 0 2735 4 2 2 4 0 8 0
amappl1 80 17357 0 16807 24 11 13 23 0 8 0
amappl 88 18444 0 18230 6 0 6 6 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 92 0 6 2 0 2 2 0 8 0
uaddrrnd 24 2269 0 2232 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2269 0 2232 1 0 1 1 0 8 0
vmmpekpl 168 19394 0 19329 4 0 4 4 0 8 0
vmmpepl 168 157230 0 155152 151 42 109 123 0 357 4
vmsppl 440 2268 0 2232 8 3 5 5 0 8 0
rwobjpl 56 48501 0 42267 93 4 89 89 0 8 0
rwobjpl: pool(0xffffffff82e59900:rwobjpl): page inconsistency: page 0x0; at page head addr 0xfffffd80625aaf90 (p 0xfffffd80625aa000)
pdppl 4096 4545 0 4472 205 127 78 83 0 8 5
pvpl 32 48998 0 0 396 0 396 396 0 265 0
pmappl 248 2268 0 2232 3 0 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 550 0 152 12 0 12 12 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffffffff82d40ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
end of kernel
end trace frame: 0x7508fa8cebd0, count: 12
ddb{0}> trace
x86_ipi_db(ffffffff82d40ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
end of kernel
end trace frame: 0x7508fa8cebd0, count: -3
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x1c: addq $0x8,%rsp
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8294527e) at panic+0x17b sys/kern/subr_prf.c:198
pool_do_get(ffffffff82e59900,1,ffff800030af5448) at pool_do_get+0x40f sys/kern/subr_pool.c:726
pool_get(ffffffff82e59900,1) at pool_get+0xf0 sys/kern/subr_pool.c:582
_rw_obj_alloc_flags(fffffd80735c05a8,ffffffff829197e8,0,ffffffff82ccf640) at _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
uvm_obj_init(fffffd80735c05a8,ffffffff82c48960,0) at uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 sys/kern/vfs_subr.c:413
ffs_vget(ffff8000006d2400,1faa3,ffff800030af5820) at ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
ffs_inode_alloc(fffffd806b25d230,8000,fffffd807f7d7820,ffff800030af5820) at ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
ufs_makeinode(8000,fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88) at ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
ufs_create(ffff800030af58d0) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88,ffff800030af5958) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
vn_open(ffff800030af5b28,201,0) at vn_open+0x353 sys/kern/vfs_vnops.c:116
doopenat(ffff80002bcb22b8,ffffff9c,20000040,200,0,ffff800030af5cd0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
end trace frame: 0xffff800030af5d70, count: 0
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8294527e) at panic+0x17b sys/kern/subr_prf.c:198
pool_do_get(ffffffff82e59900,1,ffff800030af5448) at pool_do_get+0x40f sys/kern/subr_pool.c:726
pool_get(ffffffff82e59900,1) at pool_get+0xf0 sys/kern/subr_pool.c:582
_rw_obj_alloc_flags(fffffd80735c05a8,ffffffff829197e8,0,ffffffff82ccf640) at _rw_obj_alloc_flags+0x44 sys/kern/kern_rwlock.c:556
uvm_obj_init(fffffd80735c05a8,ffffffff82c48960,0) at uvm_obj_init+0x7a sys/uvm/uvm_object.c:71
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 _rb_init sys/sys/tree.h:792 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 buf_rb_bufs_RBT_INIT sys/sys/vnode.h:221 [inline]
getnewvnode(1,ffff8000006d2400,ffffffff829d3958,ffff800030af55f0) at getnewvnode+0x116 sys/kern/vfs_subr.c:413
ffs_vget(ffff8000006d2400,1faa3,ffff800030af5820) at ffs_vget+0xaa sys/ufs/ffs/ffs_vfsops.c:1205
ffs_inode_alloc(fffffd806b25d230,8000,fffffd807f7d7820,ffff800030af5820) at ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393
ufs_makeinode(8000,fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88) at ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733
ufs_create(ffff800030af58d0) at ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd8068f93d80,ffff800030af5b58,ffff800030af5b88,ffff800030af5958) at VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103
vn_open(ffff800030af5b28,201,0) at vn_open+0x353 sys/kern/vfs_vnops.c:116
doopenat(ffff80002bcb22b8,ffffff9c,20000040,200,0,ffff800030af5cd0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff800030af5d80) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800030af5d80) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8aba0146ba0, count: -16
---
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