witness: lock order reversal:
1st 0xffff800010fca580 sbufsnd (&so->so_snd.sb_lock)
2nd 0xfffffd8071c8d118 inode (&ip->i_lock)
lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock)
lock order data 0xffffffff834013ba -> 0xffffffff833759dd is missing
lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock)
#0 rw_do_enter_write+186
#1 sblock+182
#2 soreceive+637
#3 fifo_read+279
#4 VOP_READ+257
#5 vn_rdwr+347
#6 vndsetcred+161
#7 vndioctl+3577
#8 VOP_IOCTL+172
#9 vn_ioctl+248
#10 sys_ioctl+1652
#11 syscall+3028
#12 Xsyscall+296
lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock)
#0 rw_do_enter_write+186
#1 sblock+182
#2 sosplice+786
#3 sys_setsockopt+698
#4 syscall+3028
#5 Xsyscall+296
Stopped at db_enter+37: addq $8,%rsp
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
db_enter() at db_enter+37
witness_checkorder(fffffd8071c8d118,9,0) at witness_checkorder+4305
rw_do_enter_write(fffffd8071c8d100,1) at rw_do_enter_write+186
rrw_enter(fffffd8071c8d100,1) at rrw_enter+198
VOP_LOCK(fffffd80690f46c0,2001) at VOP_LOCK+189
vn_lock(fffffd80690f46c0,2001) at vn_lock+164
vfs_lookup(ffff80003c486e70) at vfs_lookup+284
namei(ffff80003c486e70) at namei+1994
unp_connect(ffff800010fca398,fffffd807a944b00,ffff8000fffef770) at unp_connect+669
uipc_dgram_send(ffff800010fca398,fffffd8068e46400,fffffd807a944b00,0) at uipc_dgram_send+355
sosend(ffff800010fca398,fffffd807a944b00,ffff80003c4870f8,0,0,e) at sosend+2052
sendit(ffff8000fffef770,24,ffff80003c487278,e,ffff80003c487330) at sendit+1445
sys_sendmsg(ffff8000fffef770,ffff80003c4873e0,ffff80003c487330) at sys_sendmsg+582
syscall(ffff80003c4873e0) at syscall+3028
Xsyscall() at Xsyscall+296
end of kernel
end trace frame: 0x20b026d1230, count: -15
ddb{1}> show registers
rdi 0
rsi 0
rbp 18446603337232575200
rbx 0
rdx 0
rcx 18446603340516095856
rax 18446603336919474160
r8 18446603337232574912
r9 9259542123273814144
r10 17613282185098260704
r11 13625349110049465904
r12 18446741324996810880
r13 18446741325005100536
r14 3
r15 18446744071616638478 substchar+16306
rip 18446744071611361365 db_enter+37
cs 8
rflags 582
rsp 18446603337232575184
ss 16
db_enter+37: addq $8,%rsp
ddb{1}> show proc
PROC (syz-executor) tid=128385 pid=27924 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=82, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c43b250,0xffff80003abfa808
process=0xffff80003c46cea0 user=0xffff80003c482000, vmspace=0xfffffd8068cff400
estcpu=32, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
29518 197480 43712 0 7 0 syz-executor
29518 375829 43712 0 3 0x4000080 fsleep syz-executor
33874 153249 92011 0 2 0 syz-executor
33874 303633 92011 0 2 0x4000000 syz-executor
33874 294013 92011 0 3 0x4000080 fsleep syz-executor
11333 82790 99545 0 2 0 syz-executor
11333 261972 99545 0 3 0x4000080 fsleep syz-executor
27924 372576 19636 0 2 0 syz-executor
*27924 128385 19636 0 7 0x4000000 syz-executor
27924 369169 19636 0 3 0x4000080 fsleep syz-executor
88490 38948 78030 0 3 0x3000 suspend syz-executor
88490 53071 78030 0 3 0x4081000 biowait syz-executor
88490 180428 78030 0 3 0x4081000 inode syz-executor
88490 6150 78030 0 3 0x4081000 inode syz-executor
91157 211492 0 0 3 0x14200 acct acct
70596 173144 10772 0 3 0x82 wait syz-executor
66243 408289 10772 0 3 0x82 wait syz-executor
78030 167697 10772 0 3 0x82 nanoslp syz-executor
9653 235288 0 0 3 0x14280 nfsidl nfsio
55459 170602 0 0 3 0x14280 nfsidl nfsio
67048 124621 0 0 3 0x14280 nfsidl nfsio
60059 403694 0 0 3 0x14280 nfsidl nfsio
650 177920 0 0 3 0x14280 nfsidl nfsio
27455 499050 0 0 3 0x14280 nfsidl nfsio
78336 456653 0 0 3 0x14280 nfsidl nfsio
30372 153698 0 0 3 0x14280 nfsidl nfsio
39495 435503 0 0 3 0x14280 nfsidl nfsio
99259 392387 0 0 3 0x14280 nfsidl nfsio
23580 37936 0 0 3 0x14280 nfsidl nfsio
69675 13298 0 0 3 0x14280 nfsidl nfsio
35891 162682 0 0 3 0x14280 nfsidl nfsio
65126 397417 0 0 3 0x14280 nfsidl nfsio
88509 490763 0 0 3 0x14280 nfsidl nfsio
86303 316294 0 0 3 0x14280 nfsidl nfsio
11129 41194 0 0 3 0x14280 nfsidl nfsio
28476 515615 0 0 3 0x14280 nfsidl nfsio
99545 78118 10772 0 3 0x82 nanoslp syz-executor
24826 122673 1 0 3 0x100083 ttyopn getty
92011 471442 10772 0 3 0x82 nanoslp syz-executor
43712 110022 10772 0 3 0x82 nanoslp syz-executor
19636 384294 10772 0 3 0x82 nanoslp syz-executor
5325 16111 10772 0 3 0x2 biowait syz-executor
10772 305830 8880 0 3 0x82 kqread syz-executor
8880 33823 55445 0 3 0x10008a sigsusp ksh
55445 286450 88924 0 3 0x98 kqread sshd-session
88924 406891 53966 0 3 0x92 kqread sshd-session
53966 366900 1 0 3 0x88 kqread sshd
12351 169864 31621 74 3 0x1100092 bpf pflogd
31621 483343 1 0 3 0x80 sbwait pflogd
34652 318064 22425 73 3 0x1100090 kqread syslogd
22425 164370 1 0 3 0x100082 sbwait syslogd
13472 142133 1 0 3 0x100080 kqread resolvd
25599 118986 32722 77 3 0x100092 kqread dhcpleased
92854 266694 32722 77 3 0x100092 kqread dhcpleased
32722 472196 1 0 3 0x80 kqread dhcpleased
28144 401988 0 0 3 0x14200 bored smr
98202 79316 0 0 3 0x14200 pgzero zerothread
66796 64155 0 0 3 0x14200 aiodoned aiodoned
33834 448773 0 0 3 0x14200 syncer update
9893 211661 0 0 3 0x14200 cleaner cleaner
77040 1429 0 0 3 0x14200 reaper reaper
37716 69586 0 0 3 0x14200 pgdaemon pagedaemon
51374 400045 0 0 3 0x14200 bored viomb
97599 252444 0 0 3 0x40014200 acpi0 acpi0
34279 330395 0 0 3 0x40014200 idle1
45402 507071 0 0 3 0x14200 bored softnet1
10845 93256 0 0 2 0x14200 softnet0
33939 107610 0 0 3 0x14200 bored systqmp
17958 96519 0 0 3 0x14200 bored systq
43010 426146 0 0 3 0x14200 tmoslp softclockmp
94866 340147 0 0 3 0x40014200 tmoslp softclock
91209 63291 0 0 3 0x40014200 idle0
1 86599 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
Process 29518 (syz-executor) thread 0xffff8000fffefca0 (197480)
exclusive rwlock vmmaplk r = 0 (0xfffffd8068cff8d0)
#0 witness_lock+1521
#1 rw_do_enter_write+1049
#2 vm_map_lock_ln+302
#3 uvm_map_protect+224
#4 sys_mprotect+849
#5 syscall+3028
#6 Xsyscall+296
Process 27924 (syz-executor) thread 0xffff8000fffef770 (128385)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83933048)
#0 witness_lock+1521
#1 unp_connect+652
#2 uipc_dgram_send+355
#3 sosend+2052
#4 sendit+1445
#5 sys_sendmsg+582
#6 syscall+3028
#7 Xsyscall+296
exclusive rwlock sbufsnd r = 0 (0xffff800010fca580)
#0 witness_lock+1521
#1 rw_do_enter_write+1049
#2 sblock+182
#3 sosend+745
#4 sendit+1445
#5 sys_sendmsg+582
#6 syscall+3028
#7 Xsyscall+296
Process 88490 (syz-executor) thread 0xffff80003c438fc8 (53071)
exclusive rrwlock inode r = 0 (0xfffffd8071c8d930)
#0 witness_lock+1521
#1 rw_do_enter_write+1049
#2 rrw_enter+198
#3 VOP_LOCK+189
#4 vn_lock+164
#5 vn_write+399
#6 dofilewritev+578
#7 sys_write+162
#8 syscall+3028
#9 Xsyscall+296
Process 88490 (syz-executor) thread 0xffff80003c438568 (180428)
exclusive rrwlock inode r = 0 (0xfffffd806e9f90a0)
#0 witness_lock+1521
#1 rw_do_enter_write+1049
#2 rrw_enter+198
#3 VOP_LOCK+189
#4 vn_lock+164
#5 vfs_lookup+284
#6 namei+1994
#7 vn_open+497
#8 doopenat+859
#9 syscall+3028
#10 Xsyscall+296
Process 5325 (syz-executor) thread 0xffff8000ffffd4c8 (16111)
exclusive rrwlock inode r = 0 (0xfffffd807be7da28)
#0 witness_lock+1521
#1 rw_do_enter_write+1049
#2 rrw_enter+198
#3 VOP_LOCK+189
#4 vn_lock+164
#5 vget+674
#6 ufs_ihashget+389
#7 ffs_vget+140
#8 ufs_lookup+6710
#9 VOP_LOOKUP+110
#10 vfs_lookup+2362
#11 namei+1994
#12 dounlinkat+193
#13 syscall+2839
#14 Xsyscall+296
exclusive rrwlock inode r = 0 (0xfffffd807be7db50)
#0 witness_lock+1521
#1 rw_do_enter_write+1049
#2 rrw_enter+198
#3 VOP_LOCK+189
#4 vn_lock+164
#5 vget+674
#6 cache_lookup+849
#7 ufs_lookup+483
#8 VOP_LOOKUP+110
#9 vfs_lookup+2362
#10 namei+1994
#11 dounlinkat+193
#12 syscall+2839
#13 Xsyscall+296
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10252 11294K 11433K 166960K 14816 0
pcb 17 14K 16K 166960K 548 0
rtable 203 12K 12K 166960K 816 0
pf 40 18K 20K 166960K 225 0
ifaddr 37 6K 7K 166960K 152 0
ifgroup 63 2K 3K 166960K 272 0
sysctl 4 1K 9K 166960K 90 0
counters 72 37K 38K 166960K 290 0
ioctlops 0 0K 4K 166960K 1928 0
iov 0 0K 16K 166960K 151 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1435 90K 91K 166960K 3400 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 2K 10K 166960K 31 0
VM map 2 1K 1K 166960K 2 0
sem 23 17K 17K 166960K 82 0
dirhash 12 2K 2K 166960K 60 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 240K 166960K 2218 0
sigio 0 0K 0K 166960K 32 0
proc 72 115K 180K 166960K 874 0
subproc 72 4K 4K 166960K 113 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 469 0
in_multi 58 4K 7K 166960K 518 0
ether_multi 1 0K 0K 166960K 82 0
mrt 2 0K 0K 166960K 32 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 103 466K 466K 166960K 103 0
exec 0 0K 1K 166960K 590 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 256 145K 166K 166960K 21491 0
UVM aobj 26 22K 22K 166960K 27 0
pinsyscall 42 84K 100K 166960K 3394 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 162 0
NDP 14 0K 2K 166960K 104 0
temp 78 8668K 8743K 166960K 84526 0
kqueue 14 20K 30K 166960K 360 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 26 0 0 1 0 1 1 0 8 0
rtpcb 120 257 0 254 3 2 1 3 0 8 0
rtentry 176 224 0 155 6 1 5 6 0 8 0
unpcb 144 1234 0 1211 9 6 3 6 0 8 2
syncache 336 6 0 6 2 2 0 1 0 8 0
tcpqe 32 9 0 9 1 1 0 1 0 8 0
tcpcb 736 821 0 817 17 10 7 7 0 8 6
arp 136 34 0 20 1 0 1 1 0 8 0
inpcb 328 2555 0 2547 22 15 7 12 0 8 5
nd6 152 43 0 28 1 0 1 1 0 8 0
pkpcb 40 25 0 25 1 0 1 1 0 8 1
kcovpl 48 12 0 4 1 0 1 1 0 8 0
mppekey 1024 1 0 1 1 1 0 1 0 8 0
ppxss 1192 82 0 82 1 0 1 1 0 8 1
pppxif 1504 12 0 12 2 2 0 1 0 8 0
pfstscr 40 2 0 2 1 1 0 1 0 8 0
pffrag 232 19 0 8 1 0 1 1 0 482 0
pffrnode 88 11 0 2 1 0 1 1 0 8 0
pffrent 40 30 0 19 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 36 0 36 2 1 1 1 0 8 1
pfstitem 24 140 0 32 1 0 1 1 0 8 0
pfstkey 128 141 0 33 4 0 4 4 0 8 0
pfstate 448 141 0 33 12 0 12 12 0 8 0
pfrule 1344 23 0 18 2 1 1 2 0 8 0
rttmr 136 9 0 9 2 1 1 1 0 8 1
art_heap8 4096 4 0 0 4 0 4 4 0 8 0
art_heap4 256 1149 0 860 30 10 20 29 0 8 0
art_table 40 1153 0 860 5 0 5 5 0 8 0
art_node 32 222 0 162 1 0 1 1 0 8 0
sysvmsgpl 40 17 0 9 2 1 1 1 0 8 0
semupl 112 4 0 4 2 1 1 1 0 8 1
semapl 112 72 0 51 1 0 1 1 0 8 0
shmpl 112 15 0 1 1 0 1 1 0 8 0
dirhash 1024 50 0 33 3 0 3 3 0 8 0
dino2pl 256 5323 0 3801 96 0 96 96 0 8 0
ffsino 296 5323 0 3801 118 0 118 118 0 8 0
nchpl 144 8211 0 6497 64 0 64 64 0 8 0
rtmask 32 22 0 22 3 2 1 1 0 8 1
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 28190 0 28187 4 2 2 2 0 8 1
percpumem 16 160 0 109 1 0 1 1 0 8 0
vcpupl 3968 9 0 0 2 0 2 2 0 8 0
vmpool 840 9 0 0 1 0 1 1 0 8 0
kstatmem 264 168 0 132 3 0 3 3 0 8 0
acpiwqpl 32 1 0 1 1 0 1 1 1 8 1
scsiplug 72 8 0 8 5 5 0 1 0 8 0
scxspl 216 67312 0 67310 12 10 2 7 1 8 1
plimitpl 152 436 0 416 1 0 1 1 0 8 0
sigapl 424 2479 0 2413 9 1 8 8 0 8 0
knotepl 120 600 0 0 19 0 19 19 0 8 0
kqueuepl 224 926 0 916 9 7 2 5 0 8 1
pipepl 344 427 0 400 16 7 9 9 0 8 6
fdescpl 528 2439 0 2408 3 0 3 3 0 8 0
filepl 160 15779 0 15485 25 7 18 18 0 8 5
lockfpl 104 969 0 966 1 0 1 1 0 8 0
lockfspl 48 388 0 385 1 0 1 1 0 8 0
sessionpl 144 29 0 20 1 0 1 1 0 8 0
pgrppl 48 62 0 45 1 0 1 1 0 8 0
ucredpl 104 2037 0 2023 1 0 1 1 0 8 0
zombiepl 144 2416 0 2413 1 0 1 1 0 8 0
processpl 1232 2479 0 2413 7 1 6 6 0 8 0
procpl 664 5852 0 5777 8 0 8 8 0 8 0
sosppl 176 19 0 19 2 1 1 1 0 8 1
sockpl 752 4107 0 4073 27 17 10 17 0 8 6
mcl64k 65536 27 0 0 4 1 3 3 0 8 0
mcl16k 16384 4 0 0 1 0 1 1 0 8 0
mcl12k 12288 4 0 0 1 0 1 1 0 8 0
mcl9k 9216 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 117 0 0 15 0 15 15 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 46 0 0 5 0 5 5 0 8 0
mtagpl 96 28 0 0 1 0 1 1 0 8 0
mbufpl 256 1479 0 0 91 0 91 91 0 8 0
bufpl 280 27573 0 21436 439 0 439 439 0 8 0
anonpl 32 12466 0 0 101 0 101 101 0 246 0
amapchunkpl 152 87990 0 87442 46 15 31 41 0 158 6
amappl16 200 9630 0 9383 61 34 27 29 0 8 3
amappl15 192 78 0 77 1 0 1 1 0 8 0
amappl14 184 6 0 6 2 2 0 1 0 8 0
amappl13 176 472 0 471 1 0 1 1 0 8 0
amappl12 168 2844 0 2802 3 1 2 3 0 8 0
amappl11 160 6 0 6 1 1 0 1 0 8 0
amappl10 152 95 0 81 1 0 1 1 0 8 0
amappl9 144 246 0 245 2 1 1 1 0 8 0
amappl8 136 35 0 32 1 0 1 1 0 8 0
amappl7 128 98 0 96 1 0 1 1 0 8 0
amappl6 120 333 0 319 1 0 1 1 0 8 0
amappl5 112 103 0 92 1 0 1 1 0 8 0
amappl4 104 453 0 421 1 0 1 1 0 8 0
amappl3 96 12894 0 12792 4 1 3 3 0 8 0
amappl2 88 2556 0 2478 2 0 2 2 0 8 0
amappl1 80 17992 0 17394 15 1 14 14 0 8 0
amappl 88 20358 0 20179 5 0 5 5 0 92 0
uvmvnodes 80 197 0 0 5 0 5 5 0 8 0
dma65536 65536 1 0 1 1 0 1 1 0 8 1
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 8 0 8 2 2 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 26 0 1 1 0 1 1 0 8 0
uaddrrnd 24 2439 0 2408 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2439 0 2408 1 0 1 1 0 8 0
vmmpekpl 168 20663 0 20616 3 0 3 3 0 8 0
vmmpepl 168 159376 0 157202 121 11 110 110 0 357 1
vmsppl 488 2438 0 2408 7 2 5 5 0 8 0
rwobjpl 80 43141 0 41743 36 1 35 35 0 8 0
pdppl 4096 4904 0 4825 125 43 82 86 0 8 3
pvpl 32 20536 0 0 165 0 165 165 0 265 0
pmappl 256 2447 0 2408 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 418 0 71 10 0 10 10 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+39: addq $8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff837bbff0) at x86_ipi_db+39
x86_ipi_handler() at x86_ipi_handler+217
Xresume_lapic_ipi() at Xresume_lapic_ipi+39
__mp_lock(ffffffff83932e40) at __mp_lock+402
intr_handler(ffff80003c451140,ffff800000079600) at intr_handler+233
Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+399
__mp_lock(ffffffff83932e40) at __mp_lock+402
intr_handler(ffff80003c4512a0,ffff80000006b400) at intr_handler+233
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+399
__sanitizer_cov_trace_const_cmp4(fffffd80706791a8,9) at __sanitizer_cov_trace_const_cmp4+15
rw_do_enter_write(fffffd8070679190,1) at rw_do_enter_write+186
uvm_map_protect(fffffd8068cff7d0,58f3c239000,58f3c639000,3,0,0,ee922eed686a8dbe) at uvm_map_protect+2870
sys_mprotect(ffff8000fffefca0,ffff80003c451680,ffff80003c4515d0) at sys_mprotect+849
syscall(ffff80003c451680) at syscall+3028
Xsyscall() at Xsyscall+296
end of kernel
end trace frame: 0x730ff5a49740, count: -15
ddb{0}> machine ddbcpu 1
Stopped at db_enter+37: addq $8,%rsp
ddb{1}> trace
db_enter() at db_enter+37
witness_checkorder(fffffd8071c8d118,9,0) at witness_checkorder+4305
rw_do_enter_write(fffffd8071c8d100,1) at rw_do_enter_write+186
rrw_enter(fffffd8071c8d100,1) at rrw_enter+198
VOP_LOCK(fffffd80690f46c0,2001) at VOP_LOCK+189
vn_lock(fffffd80690f46c0,2001) at vn_lock+164
vfs_lookup(ffff80003c486e70) at vfs_lookup+284
namei(ffff80003c486e70) at namei+1994
unp_connect(ffff800010fca398,fffffd807a944b00,ffff8000fffef770) at unp_connect+669
uipc_dgram_send(ffff800010fca398,fffffd8068e46400,fffffd807a944b00,0) at uipc_dgram_send+355
sosend(ffff800010fca398,fffffd807a944b00,ffff80003c4870f8,0,0,e) at sosend+2052
sendit(ffff8000fffef770,24,ffff80003c487278,e,ffff80003c487330) at sendit+1445
sys_sendmsg(ffff8000fffef770,ffff80003c4873e0,ffff80003c487330) at sys_sendmsg+582
syscall(ffff80003c4873e0) at syscall+3028
Xsyscall() at Xsyscall+296
end of kernel
end trace frame: 0x20b026d1230, count: -15