login: panic: tcp_ouptanpuict
: kStopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*450917 80795 32767 0x10 0x4000000 0 syz-executor.5
39610 32066 0 0x14000 0x200 1 reaper
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8257b2ef) at panic+0x177 sys/kern/subr_prf.c:198
tcp_output(ffff800000cc00c0) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727
tcp_send(fffffd8067d99b88,fffffd8069815400,0,fffffd8069814200) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953
sosend(fffffd8067d99b88,0,ffff80002e494fc0,0,fffffd8069814200,400) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline]
sosend(fffffd8067d99b88,0,ffff80002e494fc0,0,fffffd8069814200,400) at sosend+0x62a sys/kern/uipc_socket.c:646
sendit(ffff80002a63ad20,3,ffff80002e495140,400,ffff80002e495230) at sendit+0x65d sys/kern/uipc_syscalls.c:694
sys_sendmsg(ffff80002a63ad20,ffff80002e4951e8,ffff80002e495230) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601
syscall(ffff80002e4952b0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e4952b0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd69fb071670, count: 6
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: tcp_output
cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_map.c", line 2486
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8257b2ef) at panic+0x177 sys/kern/subr_prf.c:198
tcp_output(ffff800000cc00c0) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727
tcp_send(fffffd8067d99b88,fffffd8069815400,0,fffffd8069814200) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953
sosend(fffffd8067d99b88,0,ffff80002e494fc0,0,fffffd8069814200,400) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline]
sosend(fffffd8067d99b88,0,ffff80002e494fc0,0,fffffd8069814200,400) at sosend+0x62a sys/kern/uipc_socket.c:646
sendit(ffff80002a63ad20,3,ffff80002e495140,400,ffff80002e495230) at sendit+0x65d sys/kern/uipc_syscalls.c:694
sys_sendmsg(ffff80002a63ad20,ffff80002e4951e8,ffff80002e495230) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601
syscall(ffff80002e4952b0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e4952b0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd69fb071670, count: -9
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002e494c20
rbx 0xffffffff829a1b8f cpu_info_full_primary+0x2b8f
rdx 0xffff800000be2ac0
rcx 0
rax 0xffff80002a63ad20
r8 0x101010101010101
r9 0x8080808080808080
r10 0x9f35191f7463eba3
r11 0xe928b79218e50ea9
r12 0xffffffff829a1990 cpu_info_full_primary+0x2990
r13 0
r14 0
r15 0x1
rip 0xffffffff81a16d08 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002e494c10
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.5) pid=450917 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=32, usrpri=63, nice=20
forw=0xffffffffffffffff, list=0xffff80002a63b260,0xffff80002a63bcf0
process=0xffff80002a646158 user=0xffff80002e490000, vmspace=0xfffffd807181ba28
estcpu=27, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
64617 203066 94739 32767 2 0x10 syz-executor.4
64617 437374 94739 32767 3 0x4000090 fsleep syz-executor.4
80795 138814 44308 32767 2 0x10 syz-executor.5
*80795 450917 44308 32767 7 0x4000010 syz-executor.5
73102 301299 85203 32767 2 0x10 syz-executor.1
73102 162094 85203 32767 3 0x4000090 fsleep syz-executor.1
80118 130634 51435 32767 3 0x90 nanoslp syz-executor.2
80118 76883 51435 32767 3 0x4000090 fsleep syz-executor.2
80118 19907 51435 32767 3 0x4000090 fsleep syz-executor.2
80118 395942 51435 32767 3 0x4000090 fsleep syz-executor.2
65078 494000 64516 32767 2 0x10 syz-executor.7
64516 61934 73340 0 3 0x82 wait syz-executor.7
74993 514370 0 0 3 0x14200 bored sosplice
89123 375642 11084 32767 3 0x90 nanoslp syz-executor.6
72455 53225 62025 32767 3 0x90 nanoslp syz-executor.3
94739 279805 93224 32767 3 0x90 nanoslp syz-executor.4
44308 351250 18408 32767 3 0x90 nanoslp syz-executor.5
11084 200639 73340 0 3 0x82 wait syz-executor.6
62025 262230 73340 0 3 0x82 wait syz-executor.3
18408 422398 73340 0 3 0x82 wait syz-executor.5
93224 32504 73340 0 3 0x82 wait syz-executor.4
85203 412277 92899 32767 3 0x90 nanoslp syz-executor.1
51435 226447 56058 32767 3 0x90 nanoslp syz-executor.2
56058 232450 73340 0 3 0x82 wait syz-executor.2
56274 392571 40387 32767 2 0x10 syz-executor.0
92899 309776 73340 0 3 0x82 wait syz-executor.1
40387 105350 73340 0 3 0x82 wait syz-executor.0
73340 349685 62415 0 3 0x82 wait syz-fuzzer
73340 12818 62415 0 3 0x4000082 nanoslp syz-fuzzer
73340 460053 62415 0 3 0x4000082 thrsleep syz-fuzzer
73340 36077 62415 0 3 0x4000082 thrsleep syz-fuzzer
73340 461638 62415 0 3 0x4000082 wait syz-fuzzer
73340 64829 62415 0 3 0x4000082 wait syz-fuzzer
73340 305803 62415 0 3 0x4000082 thrsleep syz-fuzzer
73340 2911 62415 0 3 0x4000082 thrsleep syz-fuzzer
73340 270411 62415 0 3 0x4000082 wait syz-fuzzer
73340 280824 62415 0 3 0x4000082 wait syz-fuzzer
73340 17491 62415 0 3 0x4000082 wait syz-fuzzer
73340 78838 62415 0 3 0x4000082 wait syz-fuzzer
73340 456120 62415 0 3 0x4000082 wait syz-fuzzer
73340 497909 62415 0 3 0x4000082 thrsleep syz-fuzzer
73340 449882 62415 0 3 0x4000082 nanoslp syz-fuzzer
73340 110689 62415 0 3 0x4000082 thrsleep syz-fuzzer
62415 189139 78798 0 3 0x10008a sigsusp ksh
78798 219176 11532 0 3 0x9a kqread sshd
7822 396832 1 0 3 0x100083 ttyin getty
11532 338983 1 0 3 0x88 kqread sshd
39959 109418 49882 73 3 0x1100090 kqread syslogd
49882 14801 1 0 3 0x100082 netio syslogd
4491 97201 1 0 3 0x100080 kqread resolvd
73096 378675 36397 77 3 0x100092 kqread dhcpleased
81483 466993 36397 77 3 0x100092 kqread dhcpleased
36397 149453 1 0 3 0x80 kqread dhcpleased
39567 136549 0 0 3 0x14200 bored smr
1092 225211 0 0 2 0x14200 zerothread
63831 516225 0 0 3 0x14200 aiodoned aiodoned
89689 387707 0 0 3 0x14200 syncer update
6730 209010 0 0 3 0x14200 cleaner cleaner
32066 39610 0 0 7 0x14200 reaper
75051 227544 0 0 3 0x14200 pgdaemon pagedaemon
18038 265667 0 0 3 0x14200 bored viomb
85746 129823 0 0 3 0x40014200 acpi0 acpi0
59782 462459 0 0 3 0x40014200 idle1
35028 259349 0 0 3 0x14200 bored softnet
13566 179742 0 0 3 0x14200 bored softnet
91278 153621 0 0 3 0x14200 bored softnet
6597 95620 0 0 3 0x14200 bored softnet
33436 518941 0 0 3 0x14200 bored systqmp
57465 354807 0 0 3 0x14200 bored systq
3091 284951 0 0 3 0x40014200 bored softclock
29806 419002 0 0 3 0x40014200 idle0
1 453082 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 1:
exclusive mutex &(curpg)->mdpage.pv_mtx r = 0 (0xfffffd80074ace58)
#0 witness_lock+0x44d
#1 mtx_enter_try+0x100
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 pmap_page_remove+0x44 sys/arch/amd64/amd64/pmap.c:1911
#4 uvm_anfree_list+0x98
#5 amap_wipeout+0x1b1 sys/uvm/uvm_amap.c:504
#6 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1351
#7 uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2541
#8 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3436
#9 reaper+0x19a sys/kern/kern_exit.c:448
#10 proc_trampoline+0x1c
Process 80795 (syz-executor.5) thread 0xffff80002a63ad20 (450917)
exclusive rwlock netlock r = 0 (0xffffffff8291ebe0)
#0 witness_lock+0x44d
#1 sosend+0x500 sys/kern/uipc_socket.c:632
#2 sendit+0x65d sys/kern/uipc_syscalls.c:694
#3 sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601
#4 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#4 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
#5 Xsyscall+0x128
Process 65078 (syz-executor.7) thread 0xffff80002781efd0 (494000)
exclusive rrwlock inode r = 0 (0xfffffd8063a313c8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vget+0x1fc sys/kern/vfs_subr.c:676
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324
#8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487
#9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:560
#11 namei+0x36a sys/kern/vfs_lookup.c:244
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848
#13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8063a314d8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 56274 (syz-executor.0) thread 0xffff8000212a07e0 (392571)
exclusive rrwlock inode r = 0 (0xfffffd8063a31808)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vget+0x1fc sys/kern/vfs_subr.c:676
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324
#8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487
#9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:560
#11 namei+0x36a sys/kern/vfs_lookup.c:244
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848
#13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806ae80a38)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 32066 (reaper) thread 0xffff800021233508 (39610)
exclusive kernel: protection fault trap, code=0
Faulted in DDB; continuing...
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10199 6410K 6419K 78643K 11302 0
pcb 13 12K 14K 78643K 17 0
rtable 244 6K 7K 78643K 664 0
ifaddr 82 16K 16K 78643K 112 0
sysctl 3 1K 3K 78643K 7 0
counters 56 35K 35K 78643K 64 0
ioctlops 0 0K 2K 78643K 51 0
iov 0 0K 20K 78643K 595 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1271 79K 79K 78643K 1635 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 57 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 1167 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 22 81K 117K 78643K 4062 0
sigio 0 0K 0K 78643K 21 0
proc 56 78K 115K 78643K 815 0
subproc 104 6K 6K 78643K 156 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 1 0K 0K 78643K 816 0
in_multi 99 6K 6K 78643K 189 0
ether_multi 1 0K 0K 78643K 15 0
mrt 1 0K 0K 78643K 1 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 1229 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 302 87K 102K 78643K 26156 0
UVM aobj 131 8K 8K 78643K 139 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 182 0
NDP 11 0K 2K 78643K 39 0
temp 124 4726K 4854K 78643K 13165 0
kqueue 12 18K 30K 78643K 348 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> 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 120 250 0 239 2 0 2 2 0 8 1
rtentry 112 165 0 50 4 0 4 4 0 8 0
unpcb 144 3216 0 3203 28 27 1 6 0 8 0
syncache 296 36 0 36 6 6 0 1 0 8 0
sackhl 24 1 0 1 1 1 0 1 0 8 0
tcpqe 32 13 0 13 7 7 0 1 0 8 0
tcpcb 768 2328 0 2317 57 54 3 22 0 8 0
arp 120 27 0 8 1 0 1 1 0 8 0
ipq 40 3 0 3 2 2 0 1 0 8 0
ipqe 40 76 0 76 2 2 0 1 0 8 0
inpcb 368 8125 0 8113 53 50 3 14 0 8 0
nd6 48 45 0 17 1 0 1 1 0 8 0
kcovpl 48 12 0 4 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 696 0 208 32 1 31 31 0 8 0
art_table 32 697 0 208 4 0 4 4 0 8 0
art_node 16 164 0 59 1 0 1 1 0 8 0
sysvmsgpl 40 23 0 6 1 0 1 1 0 8 0
semupl 112 1 0 1 1 1 0 1 0 8 0
semapl 112 1164 0 1154 1 0 1 1 0 8 0
shmpl 112 136 0 8 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 6778 0 5340 91 0 91 91 0 8 0
ffsino 272 6778 0 5340 97 0 97 97 0 8 0
nchpl 144 13065 0 11426 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 41591 0 41591 2 1 1 2 0 8 1
percpumem 16 44 0 4 1 0 1 1 0 8 0
kstatmem 264 30 0 8 2 0 2 2 0 8 0
scxspl 216 34884 0 34884 11 10 1 8 0 8 1
plimitpl 152 867 0 844 2 1 1 2 0 8 0
sigapl 424 4330 0 4277 7 0 7 7 0 8 0
futexpl 64 40733 0 40728 1 0 1 1 0 8 0
knotepl 120 403 0 0 10 0 10 10 0 8 0
kqueuepl 216 1272 0 1264 21 20 1 8 0 8 0
pipepl 320 905 0 875 23 20 3 8 0 8 0
fdescpl 496 4312 0 4279 6 1 5 6 0 8 0
filepl 152 29531 0 29282 34 22 12 17 0 8 2
lockfpl 104 483 0 481 1 0 1 1 0 8 0
lockfspl 48 169 0 167 1 0 1 1 0 8 0
sessionpl 144 27 0 11 1 0 1 1 0 8 0
pgrppl 48 145 0 129 1 0 1 1 0 8 0
ucredpl 104 2923 0 2905 1 0 1 1 0 8 0
zombiepl 144 4279 0 4277 1 0 1 1 0 8 0
processpl 1064 4330 0 4277 5 1 4 5 0 8 0
procpl 672 12022 0 11947 13 5 8 9 0 8 1
sosppl 168 66 0 66 3 3 0 1 0 8 0
sockpl 488 11673 0 11638 157 148 9 29 0 8 3
mcl64k 65536 17 0 0 3 0 3 3 0 8 0
mcl16k 16384 17 0 0 3 0 3 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 8 0 0 1 0 1 1 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 0
mcl4k 4096 13 0 0 2 0 2 2 0 8 0
mcl2k2 2112 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 348 0 0 43 0 43 43 0 8 0
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 519 0 0 24 0 24 24 0 8 0
bufpl 288 9217 0 2890 453 0 453 453 0 8 0
anonpl 24 870629 0 854822 150 44 106 106 0 186 3
amapchunkpl 152 76988 0 76320 71 40 31 40 0 158 0
amappl16 200 13547 0 12996 61 31 30 33 0 8 0
amappl15 192 111 0 105 1 0 1 1 0 8 0
amappl14 184 480 0 475 1 0 1 1 0 8 0
amappl13 176 613 0 610 1 0 1 1 0 8 0
amappl12 168 31 0 24 1 0 1 1 0 8 0
amappl11 160 85 0 70 1 0 1 1 0 8 0
amappl10 152 1922 0 1914 2 1 1 1 0 8 0
amappl9 144 1072 0 1067 1 0 1 1 0 8 0
amappl8 136 1229 0 1125 4 0 4 4 0 8 0
amappl7 128 629 0 605 1 0 1 1 0 8 0
amappl6 120 822 0 806 2 1 1 2 0 8 0
amappl5 112 5437 0 5409 1 0 1 1 0 8 0
amappl4 104 1329 0 1300 2 0 2 2 0 8 0
amappl3 96 13196 0 13135 2 0 2 2 0 8 0
amappl2 88 1125 0 1077 2 0 2 2 0 8 0
amappl1 80 107796 0 107077 23 6 17 19 0 8 0
amappl 88 24959 0 24780 6 1 5 5 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 72 138 0 8 3 0 3 3 0 8 0
uaddrrnd 24 4313 0 4279 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 4313 0 4279 1 0 1 1 0 8 0
vmmpekpl 168 37537 0 37483 3 0 3 3 0 8 0
vmmpepl 168 428804 0 425919 172 33 139 139 0 357 0
vmsppl 368 4312 0 4279 4 0 4 4 0 8 0
rwobjpl 56 112048 0 104412 111 2 109 109 0 8 0
pdppl 4096 8633 0 8558 198 117 81 93 0 8 6
pvpl 32 1680372 0 1659423 296 111 185 245 0 265 1
pmappl 248 4312 0 4279 4 1 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1015 0 171 25 0 25 25 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8257b2ef) at panic+0x177 sys/kern/subr_prf.c:198
tcp_output(ffff800000cc00c0) at tcp_output+0x2cd2 sys/netinet/tcp_output.c:727
tcp_send(fffffd8067d99b88,fffffd8069815400,0,fffffd8069814200) at tcp_send+0xc4 sys/netinet/tcp_usrreq.c:953
sosend(fffffd8067d99b88,0,ffff80002e494fc0,0,fffffd8069814200,400) at sosend+0x62a pru_send sys/sys/protosw.h:331 [inline]
sosend(fffffd8067d99b88,0,ffff80002e494fc0,0,fffffd8069814200,400) at sosend+0x62a sys/kern/uipc_socket.c:646
sendit(ffff80002a63ad20,3,ffff80002e495140,400,ffff80002e495230) at sendit+0x65d sys/kern/uipc_syscalls.c:694
sys_sendmsg(ffff80002a63ad20,ffff80002e4951e8,ffff80002e495230) at sys_sendmsg+0x198 sys/kern/uipc_syscalls.c:601
syscall(ffff80002e4952b0) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e4952b0) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd69fb071670, count: -9
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020dd8ff0) 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_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:651
comcnputc(800,6b) at comcnputc+0x1a7 sys/dev/ic/com.c:1269
cnputc(6b) at cnputc+0x4b sys/dev/cons.c:218
db_putchar(6b) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064
db_printf(ffffffff8261b4d8) at db_printf+0x85 sys/kern/subr_prf.c:498
panic(ffffffff825a14be) at panic+0xd7 sys/kern/subr_prf.c:216
__assert(ffffffff82619d34,ffffffff826406ea,9b6,ffffffff825d59fb) at __assert+0x25 sys/kern/subr_prf.c:157
uvm_map_teardown(fffffd807181b188) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2488
uvmspace_free(fffffd807181b188) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3436
reaper(ffff800021233508) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: 1
ddb{1}> trace
x86_ipi_db(ffff800020dd8ff0) 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_read_1(3f8,5) at x86_bus_space_io_read_1+0x28 sys/arch/amd64/amd64/bus_space.c:651
comcnputc(800,6b) at comcnputc+0x1a7 sys/dev/ic/com.c:1269
cnputc(6b) at cnputc+0x4b sys/dev/cons.c:218
db_putchar(6b) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1064
db_printf(ffffffff8261b4d8) at db_printf+0x85 sys/kern/subr_prf.c:498
panic(ffffffff825a14be) at panic+0xd7 sys/kern/subr_prf.c:216
__assert(ffffffff82619d34,ffffffff826406ea,9b6,ffffffff825d59fb) at __assert+0x25 sys/kern/subr_prf.c:157
uvm_map_teardown(fffffd807181b188) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2488
uvmspace_free(fffffd807181b188) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3436
reaper(ffff800021233508) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: -14