panic: acpqauniicr:in g bl kocerknaeblle d ia g no s t i cs alseseeprt i lonoc k w it"h!_ k seprninell_olckoc
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syzbot
Mar 21, 2022, 11:32:28 AM3/21/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 4ff57d1d979c Adjust to renaming of F_CTL_ACTIVE/F_PREF_ACT..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14431ea3700000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=d035fa952ab09adf7624
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+d035fa...@syzkaller.appspotmail.com
panic: acpqauniicr:in g bl kocerknaeblle d ia g no s t i cs alseseeprt i lonoc k w it"h!_ k seprninell_olckoc k_ h eorld (c)r" it i c al s e c t io n f a i l e d: f i l e " / s y z k a l leher/lmd (akneargneresl_/mluolckt)i co re / k e r n el /s y s / u vm / u vm _m a p . c ", li &neke rn 2el7_3l4oc
k
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
377664 98248 0 0 0x4000000 0 syz-executor.3
*314524 76614 0 0x14000 0x200 1 reaper
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: 9
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
*cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2734
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: -6
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000211358e0
rbx 0xffff800020ce9bff
rdx 0
rcx 0
rax 0xffff8000210f9a40
r8 0x101010101010101
r9 0x8080808080808080
r10 0x3668811ca06f7a9e
r11 0x85c37cee52148b23
r12 0xffff800020ce9a00
r13 0
r14 0xffffffff8294ea00 cpu_info_full_primary+0x2a00
r15 0x1
rip 0xffffffff81f18858 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000211358d0
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (reaper) pid=314524 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=4, usrpri=66, nice=20
forw=0xffffffffffffffff, list=0xffff8000210f8fc0,0xffff8000210f9cf0
process=0xffff8000ffffd0a0 user=0xffff800021130000, vmspace=0xffffffff829d33f8
estcpu=16, cpticks=8, pctcpu=4.48
user=0, sys=3, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
77962 229206 52268 0 2 0 syz-executor.6
98248 389944 31994 0 2 0 syz-executor.3
98248 377664 31994 0 7 0x4000000 syz-executor.3
98248 241315 31994 0 3 0x4000080 fsleep syz-executor.3
93717 368175 93270 0 2 0 syz-executor.2
45200 203515 45740 0 2 0 syz-executor.1
45200 515928 45740 0 3 0x4000080 fsleep syz-executor.1
52268 32829 75927 0 3 0x82 nanoslp syz-executor.6
93270 471097 75927 0 3 0x82 nanoslp syz-executor.2
47850 470615 0 0 3 0x14200 acct acct
19434 79279 75927 0 3 0x82 nanoslp syz-executor.7
37062 414726 0 0 3 0x14280 nfsidl nfsio
7009 231845 0 0 3 0x14280 nfsidl nfsio
25119 43280 0 0 3 0x14280 nfsidl nfsio
67422 386836 0 0 3 0x14280 nfsidl nfsio
50522 395326 0 0 3 0x14280 nfsidl nfsio
74103 324513 0 0 3 0x14280 nfsidl nfsio
57153 106016 0 0 3 0x14200 bored sosplice
64924 13155 75927 0 3 0x82 nanoslp syz-executor.5
74486 318898 75927 0 3 0x82 nanoslp syz-executor.4
31994 453795 75927 0 3 0x82 nanoslp syz-executor.3
45740 132675 75927 0 3 0x82 nanoslp syz-executor.1
9604 420663 75927 0 3 0x82 nanoslp syz-executor.0
75927 155872 87285 0 3 0x82 thrsleep syz-fuzzer
75927 339485 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 415924 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 423775 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 388571 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 202230 87285 0 3 0x4000082 kqread syz-fuzzer
75927 458501 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 61150 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 53058 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 441327 87285 0 3 0x4000082 thrsleep syz-fuzzer
87285 430895 61182 0 3 0x10008a sigsusp ksh
61182 352479 66207 0 3 0x9a kqread sshd
3530 444387 1 0 3 0x100083 ttyin getty
66207 319435 1 0 3 0x88 kqread sshd
70078 164680 33184 74 3 0x1100092 bpf pflogd
33184 151784 1 0 3 0x80 netio pflogd
87964 434589 23228 73 3 0x1100090 kqread syslogd
23228 499414 1 0 3 0x100082 netio syslogd
41541 352544 1 0 3 0x100080 kqread resolvd
68998 360697 7661 77 3 0x100092 kqread dhcpleased
52048 177170 7661 77 3 0x100092 kqread dhcpleased
7661 133138 1 0 3 0x80 kqread dhcpleased
48036 416485 0 0 3 0x14200 bored smr
28237 363259 0 0 2 0x14200 zerothread
83112 340376 0 0 3 0x14200 aiodoned aiodoned
32276 303960 0 0 3 0x14200 syncer update
33112 474515 0 0 3 0x14200 cleaner cleaner
*76614 314524 0 0 7 0x14200 reaper
19429 52163 0 0 3 0x14200 pgdaemon pagedaemon
27584 406071 0 0 3 0x14200 bored viomb
73233 11472 0 0 3 0x40014200 acpi0 acpi0
30157 367080 0 0 3 0x40014200 idle1
36567 111900 0 0 3 0x14200 bored softnet
87348 73754 0 0 3 0x14200 bored systqmp
43618 471205 0 0 3 0x14200 bored systq
27757 26819 0 0 3 0x40014200 bored softclock
60694 332827 0 0 3 0x40014200 idle0
1 262071 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a900b0)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 rip6_input+0x1cf
#4 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
#5 ip_deliver+0x322 sys/netinet/ip_input.c:657
#6 ip6_input_if+0x920
#7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169
#8 if_input_local+0x136 sys/net/if.c:778
#9 ip6_output+0xf57
#10 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
#11 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
#12 sosend+0x632 sys/kern/uipc_socket.c:582
#13 dofilewritev+0x19c sys/kern/sys_generic.c:381
#14 sys_write+0x83 sys/kern/sys_generic.c:301
#15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#16 Xsyscall+0x128
CPU 1:
exclusive mutex amapchunkpl r = 0 (0xffffffff82a60f30)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 pool_put+0x8a sys/kern/subr_pool.c:799
#4 amap_free+0x132 sys/uvm/uvm_amap.c:465
#5 amap_wipeout+0x221 sys/uvm/uvm_amap.c:532
#6 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1599
#7 uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2789
#8 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
#9 reaper+0x18b sys/kern/kern_exit.c:457
#10 proc_trampoline+0x1c
Process 98248 (syz-executor.3) thread 0xffff80002af12550 (377664)
exclusive rwlock netlock r = 0 (0xffffffff828f7720)
#0 witness_lock+0x44d
#1 solock+0x86 sys/kern/uipc_socket2.c:295
#2 sosend+0x517 sys/kern/uipc_socket.c:570
#3 dofilewritev+0x19c sys/kern/sys_generic.c:381
#4 sys_write+0x83 sys/kern/sys_generic.c:301
#5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#6 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10194 6488K 6881K 78643K 15043 0
pcb 46 12K 12K 78643K 192 0
rtable 211 6K 8K 78643K 722 0
ifaddr 73 15K 18K 78643K 160 0
sysctl 2 0K 0K 78643K 2 0
counters 52 35K 35K 78643K 80 0
ioctlops 0 0K 4K 78643K 2415 0
iov 0 0K 16K 78643K 427 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1332 83K 84K 78643K 2552 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 46 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 285 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 14 49K 89K 78643K 2316 0
sigio 0 0K 0K 78643K 4 0
proc 71 87K 136K 78643K 716 0
subproc 104 6K 6K 78643K 158 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 1 0K 0K 78643K 48 0
in_multi 79 5K 6K 78643K 206 0
ether_multi 2 0K 0K 78643K 15 0
mrt 1 0K 0K 78643K 25 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 175 784K 784K 78643K 175 0
exec 0 0K 2K 78643K 944 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 7 26K 26K 78643K 7 0
UVM amap 374 280K 285K 78643K 31076 0
UVM aobj 131 4K 4K 78643K 131 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 2 0K 0K 78643K 77 0
NDP 10 0K 1K 78643K 56 0
temp 122 4711K 4783K 78643K 24970 0
kqueue 12 18K 22K 78643K 107 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 132 0 129 2 1 1 2 0 8 0
rtentry 112 188 0 94 4 0 4 4 0 8 0
unpcb 136 2092 0 2077 27 20 7 9 0 8 6
syncache 296 16 0 16 6 6 0 1 0 8 0
tcpqe 32 4 0 4 2 2 0 1 0 8 0
tcpcb 736 620 0 606 22 20 2 7 0 8 0
arp 120 28 0 12 1 0 1 1 0 8 0
inpcb 312 1398 0 1352 25 21 4 8 0 8 0
rttmr 72 11 0 11 2 2 0 1 0 8 0
nd6 48 48 0 28 1 0 1 1 0 8 0
pkpcb 40 8 0 8 1 1 0 1 0 8 0
kcovpl 48 12 0 4 1 0 1 1 0 8 0
ppxss 1248 6 0 6 2 2 0 1 0 8 0
pffrag 232 9 0 4 1 0 1 1 0 482 0
pffrnode 88 9 0 4 1 0 1 1 0 8 0
pffrent 40 20 0 15 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
pfrktable 1344 1 0 0 1 0 1 1 0 8 0
pfstitem 24 29 0 24 1 0 1 1 0 8 0
pfstkey 112 29 0 24 1 0 1 1 0 8 0
pfstate 320 29 0 24 3 1 2 3 0 8 0
pfrule 1360 25 0 18 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 694 0 301 32 1 31 32 0 8 2
art_table 32 695 0 301 5 0 5 5 0 8 0
art_node 16 187 0 101 1 0 1 1 0 8 0
sysvmsgpl 40 25 0 13 1 0 1 1 0 8 0
semapl 112 283 0 273 1 0 1 1 0 8 0
shmpl 112 128 0 0 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 4641 0 3197 91 0 91 91 0 8 0
ffsino 272 4641 0 3197 97 0 97 97 0 8 0
nchpl 144 7828 0 6193 63 0 63 63 0 8 0
uvmvnodes 80 5367 0 0 110 0 110 110 0 8 0
vnodes 224 5367 0 0 316 0 316 316 0 8 0
namei 1024 29039 0 29039 3 2 1 2 0 8 1
percpumem 16 52 0 14 1 0 1 1 0 8 0
vcpupl 2048 78 0 0 10 0 10 10 0 8 0
vmpool 560 81 0 3 6 0 6 6 0 8 0
scsiplug 72 9 0 9 2 2 0 1 0 8 0
scxspl 216 20960 0 20960 11 10 1 8 0 8 1
plimitpl 152 239 0 224 1 0 1 1 0 8 0
sigapl 424 2625 0 2572 6 0 6 6 0 8 0
futexpl 64 20111 0 20109 1 0 1 1 0 8 0
knotepl 120 252 0 0 7 0 7 7 0 8 0
kqueuepl 216 465 0 457 16 11 5 8 0 8 4
pipepl 336 754 0 726 16 13 3 8 0 8 0
fdescpl 496 2603 0 2576 6 1 5 5 0 8 1
filepl 152 18131 0 17859 48 30 18 19 0 8 7
lockfpl 104 415 0 413 1 0 1 1 0 8 0
lockfspl 48 146 0 144 1 0 1 1 0 8 0
sessionpl 144 28 0 11 1 0 1 1 0 8 0
pgrppl 48 39 0 22 1 0 1 1 0 8 0
ucredpl 96 4223 0 4211 1 0 1 1 0 8 0
zombiepl 144 2576 0 2572 1 0 1 1 0 8 0
processpl 1064 2625 0 2572 4 0 4 4 0 8 0
procpl 672 6768 0 6701 10 3 7 8 0 8 1
srpgc 96 6 0 6 1 0 1 1 0 8 1
sosppl 168 15 0 14 4 3 1 1 0 8 0
sockpl 480 3634 0 3573 109 96 13 34 0 8 5
mcl64k 65536 15 0 0 2 0 2 2 0 8 0
mcl16k 16384 11 0 0 2 0 2 2 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 6 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 0
mcl4k 4096 25 0 0 4 1 3 3 0 8 0
mcl2k2 2112 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 205 0 0 21 0 21 21 0 8 0
mtagpl 96 323 0 0 8 0 8 8 0 8 0
mbufpl 256 558 0 0 33 0 33 33 0 8 0
bufpl 288 6706 0 370 453 0 453 453 0 8 0
anonpl 24 729242 0 713569 171 37 134 157 0 186 8
amapchunkpl 152 74899 0 74069 52 14 38 49 0 158 0
amappl16 200 8346 0 7797 67 35 32 53 0 8 2
amappl15 192 149 0 143 1 0 1 1 0 8 0
amappl14 184 24 0 19 1 0 1 1 0 8 0
amappl13 176 467 0 463 1 0 1 1 0 8 0
amappl12 168 783 0 777 2 1 1 1 0 8 0
amappl11 160 327 0 312 1 0 1 1 0 8 0
amappl10 152 634 0 625 1 0 1 1 0 8 0
amappl9 144 637 0 631 1 0 1 1 0 8 0
amappl8 136 718 0 650 3 0 3 3 0 8 0
amappl7 128 135 0 126 1 0 1 1 0 8 0
amappl6 120 398 0 373 2 1 1 2 0 8 0
amappl5 112 2405 0 2385 1 0 1 1 0 8 0
amappl4 104 1269 0 1242 2 1 1 2 0 8 0
amappl3 96 1429 0 1413 1 0 1 1 0 8 0
amappl2 88 1304 0 1254 3 1 2 3 0 8 0
amappl1 80 49076 0 48505 21 7 14 19 0 8 0
amappl 88 30456 0 30192 8 0 8 8 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 72 130 0 0 3 0 3 3 0 8 0
uaddrrnd 24 2684 0 2578 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2684 0 2578 1 0 1 1 0 8 0
vmmpekpl 168 24054 0 24001 3 0 3 3 0 8 0
vmmpepl 168 239737 0 237008 185 50 135 149 0 357 6
vmsppl 368 2683 0 2578 11 1 10 10 0 8 0
rwobjpl 56 65221 0 58162 100 0 100 100 0 8 0
pdppl 4096 5375 0 5234 265 118 147 148 0 8 6
pvpl 32 1303652 0 1283731 309 87 222 246 0 265 26
pmappl 248 2683 0 2578 8 1 7 7 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1099 0 180 27 0 27 27 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff8294dff0) at x86_ipi_db+0x1a 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+0x23
x86_bus_space_io_write_1(3f8,0,a) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,a) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,a) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(a) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(a) at db_putchar+0x4bd sys/ddb/db_output.c:168
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff825a56b6) at panic+0xd7 sys/kern/subr_prf.c:220
witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd80662348f0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd80662348f0) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd80662347d8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
end trace frame: 0xffff80002e3dc790, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff8294dff0) at x86_ipi_db+0x1a 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+0x23
x86_bus_space_io_write_1(3f8,0,a) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,a) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,a) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(a) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(a) at db_putchar+0x4bd sys/ddb/db_output.c:168
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff825a56b6) at panic+0xd7 sys/kern/subr_prf.c:220
witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd80662348f0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd80662348f0) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd80662347d8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002e3dca98,ffff80002e3dcaa4,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
icmp6_input(ffff80002e3dca98,ffff80002e3dcaa4,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
ip_deliver(ffff80002e3dca98,ffff80002e3dcaa4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002e3dca98,ffff80002e3dcaa4,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd807daf1200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd807daf1200,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd807db01c00,ffff800000683f80,fffffd806f67a900,0,0,fffffd806f67a888) at ip6_output+0xf57
rip6_output(fffffd807db01c00,fffffd807eaaf3d8,ffff80002e3dce00,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd807eaaf3d8,9,fffffd807db01c00,0,0,ffff80002af12550) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
sosend(fffffd807eaaf3d8,0,ffff80002e3dd038,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582
dofilewritev(ffff80002af12550,4,ffff80002e3dd038,0,ffff80002e3dd130) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_write(ffff80002af12550,ffff80002e3dd0d8,ffff80002e3dd130) at sys_write+0x83 sys/kern/sys_generic.c:301
syscall(ffff80002e3dd1a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3dd1a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd815204f250, count: -28
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x18: addq $0x8,%rsp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: 9
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: -6
---
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: 4ff57d1d979c Adjust to renaming of F_CTL_ACTIVE/F_PREF_ACT..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14431ea3700000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf87b6915a88cd0d
dashboard link: https://syzkaller.appspot.com/bug?extid=d035fa952ab09adf7624
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+d035fa...@syzkaller.appspotmail.com
panic: acpqauniicr:in g bl kocerknaeblle d ia g no s t i cs alseseeprt i lonoc k w it"h!_ k seprninell_olckoc k_ h eorld (c)r" it i c al s e c t io n f a i l e d: f i l e " / s y z k a l leher/lmd (akneargneresl_/mluolckt)i co re / k e r n el /s y s / u vm / u vm _m a p . c ", li &neke rn 2el7_3l4oc
k
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
377664 98248 0 0 0x4000000 0 syz-executor.3
*314524 76614 0 0x14000 0x200 1 reaper
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: 9
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
*cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock
cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2734
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: -6
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000211358e0
rbx 0xffff800020ce9bff
rdx 0
rcx 0
rax 0xffff8000210f9a40
r8 0x101010101010101
r9 0x8080808080808080
r10 0x3668811ca06f7a9e
r11 0x85c37cee52148b23
r12 0xffff800020ce9a00
r13 0
r14 0xffffffff8294ea00 cpu_info_full_primary+0x2a00
r15 0x1
rip 0xffffffff81f18858 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000211358d0
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (reaper) pid=314524 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
pri=4, usrpri=66, nice=20
forw=0xffffffffffffffff, list=0xffff8000210f8fc0,0xffff8000210f9cf0
process=0xffff8000ffffd0a0 user=0xffff800021130000, vmspace=0xffffffff829d33f8
estcpu=16, cpticks=8, pctcpu=4.48
user=0, sys=3, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
77962 229206 52268 0 2 0 syz-executor.6
98248 389944 31994 0 2 0 syz-executor.3
98248 377664 31994 0 7 0x4000000 syz-executor.3
98248 241315 31994 0 3 0x4000080 fsleep syz-executor.3
93717 368175 93270 0 2 0 syz-executor.2
45200 203515 45740 0 2 0 syz-executor.1
45200 515928 45740 0 3 0x4000080 fsleep syz-executor.1
52268 32829 75927 0 3 0x82 nanoslp syz-executor.6
93270 471097 75927 0 3 0x82 nanoslp syz-executor.2
47850 470615 0 0 3 0x14200 acct acct
19434 79279 75927 0 3 0x82 nanoslp syz-executor.7
37062 414726 0 0 3 0x14280 nfsidl nfsio
7009 231845 0 0 3 0x14280 nfsidl nfsio
25119 43280 0 0 3 0x14280 nfsidl nfsio
67422 386836 0 0 3 0x14280 nfsidl nfsio
50522 395326 0 0 3 0x14280 nfsidl nfsio
74103 324513 0 0 3 0x14280 nfsidl nfsio
57153 106016 0 0 3 0x14200 bored sosplice
64924 13155 75927 0 3 0x82 nanoslp syz-executor.5
74486 318898 75927 0 3 0x82 nanoslp syz-executor.4
31994 453795 75927 0 3 0x82 nanoslp syz-executor.3
45740 132675 75927 0 3 0x82 nanoslp syz-executor.1
9604 420663 75927 0 3 0x82 nanoslp syz-executor.0
75927 155872 87285 0 3 0x82 thrsleep syz-fuzzer
75927 339485 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 415924 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 423775 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 388571 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 202230 87285 0 3 0x4000082 kqread syz-fuzzer
75927 458501 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 61150 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 53058 87285 0 3 0x4000082 thrsleep syz-fuzzer
75927 441327 87285 0 3 0x4000082 thrsleep syz-fuzzer
87285 430895 61182 0 3 0x10008a sigsusp ksh
61182 352479 66207 0 3 0x9a kqread sshd
3530 444387 1 0 3 0x100083 ttyin getty
66207 319435 1 0 3 0x88 kqread sshd
70078 164680 33184 74 3 0x1100092 bpf pflogd
33184 151784 1 0 3 0x80 netio pflogd
87964 434589 23228 73 3 0x1100090 kqread syslogd
23228 499414 1 0 3 0x100082 netio syslogd
41541 352544 1 0 3 0x100080 kqread resolvd
68998 360697 7661 77 3 0x100092 kqread dhcpleased
52048 177170 7661 77 3 0x100092 kqread dhcpleased
7661 133138 1 0 3 0x80 kqread dhcpleased
48036 416485 0 0 3 0x14200 bored smr
28237 363259 0 0 2 0x14200 zerothread
83112 340376 0 0 3 0x14200 aiodoned aiodoned
32276 303960 0 0 3 0x14200 syncer update
33112 474515 0 0 3 0x14200 cleaner cleaner
*76614 314524 0 0 7 0x14200 reaper
19429 52163 0 0 3 0x14200 pgdaemon pagedaemon
27584 406071 0 0 3 0x14200 bored viomb
73233 11472 0 0 3 0x40014200 acpi0 acpi0
30157 367080 0 0 3 0x40014200 idle1
36567 111900 0 0 3 0x14200 bored softnet
87348 73754 0 0 3 0x14200 bored systqmp
43618 471205 0 0 3 0x14200 bored systq
27757 26819 0 0 3 0x40014200 bored softclock
60694 332827 0 0 3 0x40014200 idle0
1 262071 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
CPU 0:
exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a900b0)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 rip6_input+0x1cf
#4 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
#5 ip_deliver+0x322 sys/netinet/ip_input.c:657
#6 ip6_input_if+0x920
#7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169
#8 if_input_local+0x136 sys/net/if.c:778
#9 ip6_output+0xf57
#10 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
#11 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
#12 sosend+0x632 sys/kern/uipc_socket.c:582
#13 dofilewritev+0x19c sys/kern/sys_generic.c:381
#14 sys_write+0x83 sys/kern/sys_generic.c:301
#15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#16 Xsyscall+0x128
CPU 1:
exclusive mutex amapchunkpl r = 0 (0xffffffff82a60f30)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 pool_put+0x8a sys/kern/subr_pool.c:799
#4 amap_free+0x132 sys/uvm/uvm_amap.c:465
#5 amap_wipeout+0x221 sys/uvm/uvm_amap.c:532
#6 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1599
#7 uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2789
#8 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
#9 reaper+0x18b sys/kern/kern_exit.c:457
#10 proc_trampoline+0x1c
Process 98248 (syz-executor.3) thread 0xffff80002af12550 (377664)
exclusive rwlock netlock r = 0 (0xffffffff828f7720)
#0 witness_lock+0x44d
#1 solock+0x86 sys/kern/uipc_socket2.c:295
#2 sosend+0x517 sys/kern/uipc_socket.c:570
#3 dofilewritev+0x19c sys/kern/sys_generic.c:381
#4 sys_write+0x83 sys/kern/sys_generic.c:301
#5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#6 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10194 6488K 6881K 78643K 15043 0
pcb 46 12K 12K 78643K 192 0
rtable 211 6K 8K 78643K 722 0
ifaddr 73 15K 18K 78643K 160 0
sysctl 2 0K 0K 78643K 2 0
counters 52 35K 35K 78643K 80 0
ioctlops 0 0K 4K 78643K 2415 0
iov 0 0K 16K 78643K 427 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1332 83K 84K 78643K 2552 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 46 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 285 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 14 49K 89K 78643K 2316 0
sigio 0 0K 0K 78643K 4 0
proc 71 87K 136K 78643K 716 0
subproc 104 6K 6K 78643K 158 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 1 0K 0K 78643K 48 0
in_multi 79 5K 6K 78643K 206 0
ether_multi 2 0K 0K 78643K 15 0
mrt 1 0K 0K 78643K 25 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 175 784K 784K 78643K 175 0
exec 0 0K 2K 78643K 944 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 7 26K 26K 78643K 7 0
UVM amap 374 280K 285K 78643K 31076 0
UVM aobj 131 4K 4K 78643K 131 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 2 0K 0K 78643K 77 0
NDP 10 0K 1K 78643K 56 0
temp 122 4711K 4783K 78643K 24970 0
kqueue 12 18K 22K 78643K 107 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 132 0 129 2 1 1 2 0 8 0
rtentry 112 188 0 94 4 0 4 4 0 8 0
unpcb 136 2092 0 2077 27 20 7 9 0 8 6
syncache 296 16 0 16 6 6 0 1 0 8 0
tcpqe 32 4 0 4 2 2 0 1 0 8 0
tcpcb 736 620 0 606 22 20 2 7 0 8 0
arp 120 28 0 12 1 0 1 1 0 8 0
inpcb 312 1398 0 1352 25 21 4 8 0 8 0
rttmr 72 11 0 11 2 2 0 1 0 8 0
nd6 48 48 0 28 1 0 1 1 0 8 0
pkpcb 40 8 0 8 1 1 0 1 0 8 0
kcovpl 48 12 0 4 1 0 1 1 0 8 0
ppxss 1248 6 0 6 2 2 0 1 0 8 0
pffrag 232 9 0 4 1 0 1 1 0 482 0
pffrnode 88 9 0 4 1 0 1 1 0 8 0
pffrent 40 20 0 15 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
pfrktable 1344 1 0 0 1 0 1 1 0 8 0
pfstitem 24 29 0 24 1 0 1 1 0 8 0
pfstkey 112 29 0 24 1 0 1 1 0 8 0
pfstate 320 29 0 24 3 1 2 3 0 8 0
pfrule 1360 25 0 18 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 694 0 301 32 1 31 32 0 8 2
art_table 32 695 0 301 5 0 5 5 0 8 0
art_node 16 187 0 101 1 0 1 1 0 8 0
sysvmsgpl 40 25 0 13 1 0 1 1 0 8 0
semapl 112 283 0 273 1 0 1 1 0 8 0
shmpl 112 128 0 0 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 4641 0 3197 91 0 91 91 0 8 0
ffsino 272 4641 0 3197 97 0 97 97 0 8 0
nchpl 144 7828 0 6193 63 0 63 63 0 8 0
uvmvnodes 80 5367 0 0 110 0 110 110 0 8 0
vnodes 224 5367 0 0 316 0 316 316 0 8 0
namei 1024 29039 0 29039 3 2 1 2 0 8 1
percpumem 16 52 0 14 1 0 1 1 0 8 0
vcpupl 2048 78 0 0 10 0 10 10 0 8 0
vmpool 560 81 0 3 6 0 6 6 0 8 0
scsiplug 72 9 0 9 2 2 0 1 0 8 0
scxspl 216 20960 0 20960 11 10 1 8 0 8 1
plimitpl 152 239 0 224 1 0 1 1 0 8 0
sigapl 424 2625 0 2572 6 0 6 6 0 8 0
futexpl 64 20111 0 20109 1 0 1 1 0 8 0
knotepl 120 252 0 0 7 0 7 7 0 8 0
kqueuepl 216 465 0 457 16 11 5 8 0 8 4
pipepl 336 754 0 726 16 13 3 8 0 8 0
fdescpl 496 2603 0 2576 6 1 5 5 0 8 1
filepl 152 18131 0 17859 48 30 18 19 0 8 7
lockfpl 104 415 0 413 1 0 1 1 0 8 0
lockfspl 48 146 0 144 1 0 1 1 0 8 0
sessionpl 144 28 0 11 1 0 1 1 0 8 0
pgrppl 48 39 0 22 1 0 1 1 0 8 0
ucredpl 96 4223 0 4211 1 0 1 1 0 8 0
zombiepl 144 2576 0 2572 1 0 1 1 0 8 0
processpl 1064 2625 0 2572 4 0 4 4 0 8 0
procpl 672 6768 0 6701 10 3 7 8 0 8 1
srpgc 96 6 0 6 1 0 1 1 0 8 1
sosppl 168 15 0 14 4 3 1 1 0 8 0
sockpl 480 3634 0 3573 109 96 13 34 0 8 5
mcl64k 65536 15 0 0 2 0 2 2 0 8 0
mcl16k 16384 11 0 0 2 0 2 2 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 6 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 0
mcl4k 4096 25 0 0 4 1 3 3 0 8 0
mcl2k2 2112 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 205 0 0 21 0 21 21 0 8 0
mtagpl 96 323 0 0 8 0 8 8 0 8 0
mbufpl 256 558 0 0 33 0 33 33 0 8 0
bufpl 288 6706 0 370 453 0 453 453 0 8 0
anonpl 24 729242 0 713569 171 37 134 157 0 186 8
amapchunkpl 152 74899 0 74069 52 14 38 49 0 158 0
amappl16 200 8346 0 7797 67 35 32 53 0 8 2
amappl15 192 149 0 143 1 0 1 1 0 8 0
amappl14 184 24 0 19 1 0 1 1 0 8 0
amappl13 176 467 0 463 1 0 1 1 0 8 0
amappl12 168 783 0 777 2 1 1 1 0 8 0
amappl11 160 327 0 312 1 0 1 1 0 8 0
amappl10 152 634 0 625 1 0 1 1 0 8 0
amappl9 144 637 0 631 1 0 1 1 0 8 0
amappl8 136 718 0 650 3 0 3 3 0 8 0
amappl7 128 135 0 126 1 0 1 1 0 8 0
amappl6 120 398 0 373 2 1 1 2 0 8 0
amappl5 112 2405 0 2385 1 0 1 1 0 8 0
amappl4 104 1269 0 1242 2 1 1 2 0 8 0
amappl3 96 1429 0 1413 1 0 1 1 0 8 0
amappl2 88 1304 0 1254 3 1 2 3 0 8 0
amappl1 80 49076 0 48505 21 7 14 19 0 8 0
amappl 88 30456 0 30192 8 0 8 8 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 72 130 0 0 3 0 3 3 0 8 0
uaddrrnd 24 2684 0 2578 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2684 0 2578 1 0 1 1 0 8 0
vmmpekpl 168 24054 0 24001 3 0 3 3 0 8 0
vmmpepl 168 239737 0 237008 185 50 135 149 0 357 6
vmsppl 368 2683 0 2578 11 1 10 10 0 8 0
rwobjpl 56 65221 0 58162 100 0 100 100 0 8 0
pdppl 4096 5375 0 5234 265 118 147 148 0 8 6
pvpl 32 1303652 0 1283731 309 87 222 246 0 265 26
pmappl 248 2683 0 2578 8 1 7 7 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1099 0 180 27 0 27 27 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff8294dff0) at x86_ipi_db+0x1a 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+0x23
x86_bus_space_io_write_1(3f8,0,a) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,a) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,a) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(a) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(a) at db_putchar+0x4bd sys/ddb/db_output.c:168
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff825a56b6) at panic+0xd7 sys/kern/subr_prf.c:220
witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd80662348f0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd80662348f0) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd80662347d8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
end trace frame: 0xffff80002e3dc790, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff8294dff0) at x86_ipi_db+0x1a 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+0x23
x86_bus_space_io_write_1(3f8,0,a) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759
comcnputc(800,a) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline]
comcnputc(800,a) at comcnputc+0x128 sys/dev/ic/com.c:1263
cnputc(a) at cnputc+0x4b sys/dev/cons.c:239
db_putchar(a) at db_putchar+0x4bd sys/ddb/db_output.c:168
kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728
db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502
panic(ffffffff825a56b6) at panic+0xd7 sys/kern/subr_prf.c:220
witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline]
__mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142
selwakeup(fffffd80662348f0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline]
selwakeup(fffffd80662348f0) at selwakeup+0x16 sys/kern/sys_generic.c:885
sorwakeup(fffffd80662347d8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699
rip6_input(ffff80002e3dca98,ffff80002e3dcaa4,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224
icmp6_input(ffff80002e3dca98,ffff80002e3dcaa4,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762
ip_deliver(ffff80002e3dca98,ffff80002e3dcaa4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657
ip6_input_if(ffff80002e3dca98,ffff80002e3dcaa4,29,0,ffff80000019f2a8) at ip6_input_if+0x920
ipv6_input(ffff80000019f2a8,fffffd807daf1200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169
if_input_local(ffff80000019f2a8,fffffd807daf1200,18) at if_input_local+0x136 sys/net/if.c:778
ip6_output(fffffd807db01c00,ffff800000683f80,fffffd806f67a900,0,0,fffffd806f67a888) at ip6_output+0xf57
rip6_output(fffffd807db01c00,fffffd807eaaf3d8,ffff80002e3dce00,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490
rip6_usrreq(fffffd807eaaf3d8,9,fffffd807db01c00,0,0,ffff80002af12550) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679
sosend(fffffd807eaaf3d8,0,ffff80002e3dd038,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582
dofilewritev(ffff80002af12550,4,ffff80002e3dd038,0,ffff80002e3dd130) at dofilewritev+0x19c sys/kern/sys_generic.c:381
sys_write(ffff80002af12550,ffff80002e3dd0d8,ffff80002e3dd130) at sys_write+0x83 sys/kern/sys_generic.c:301
syscall(ffff80002e3dd1a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002e3dd1a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd815204f250, count: -28
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x18: addq $0x8,%rsp
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: 9
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440
panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202
__assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161
uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736
uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685
reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457
end trace frame: 0x0, count: -6
---
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Anton Lindqvist
Mar 22, 2022, 7:46:27 AM3/22/22
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