login: uvm_fault(0xffffff007f12bb58, 0xd0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at ip_ctloutput+0x784: movq 0xd0(%r14),%rbx
ddb>
ddb> set $lines = 0
ddb> show panic
kernel page fault
uvm_fault(0xffffff007f12bb58, 0xd0, 0, 1) -> e
ip_ctloutput(ffffff006e48e170,ffff8000210c2e20,ffffff006e706788,ffff8000210fa988,ffffff007f146c00) at ip_ctloutput+0x784
end trace frame: 0xffff8000210fa930, count: 0
ddb> trace
ip_ctloutput(ffffff006e48e170,ffff8000210c2e20,ffffff006e706788,ffff8000210fa988,ffffff007f146c00) at ip_ctloutput+0x784
sys_getsockopt(ffff8000210faa10,ffff8000210c2e20,ffff8000210a5338) at sys_getsockopt+0x13c
syscall(0) at syscall+0x3e4
Xsyscall(6,0,0,0,1,7f7fffff3a18) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff39d0, count: -4
ddb> show registers
rdi 0
rsi 0xffffff006e706788
rbp 0xffff8000210fa8d0
rbx 0
rdx 0
rcx 0x1
rax 0
r8 0xffffff007f146c00
r9 0
r10 0xa28679f43345c2df
r11 0xffffffff8110e110 rip_ctloutput
r12 0x1
r13 0
r14 0
r15 0xffffff007f146c00
rip 0xffffffff81a13b44 ip_ctloutput+0x784
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000210fa8a0
ss 0x10
ip_ctloutput+0x784: movq 0xd0(%r14),%rbx
ddb> show proc
PROC (syz-executor1283) pid=307178 stat=onproc
flags process=2<EXEC> proc=0
pri=51, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff8000210c3078,0xffffffff81e98cf0
process=0xffff8000210a5338 user=0xffff8000210f5000, vmspace=0xffffff007f12bb58
estcpu=1, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*22391 307178 19661 0 7 0x2 syz-executor1283
19661 340086 17670 0 3 0x10008a pause ksh
17670 326992 29604 0 3 0x92 select sshd
41270 33654 1 0 3 0x100083 ttyin getty
29604 327245 1 0 3 0x80 select sshd
79075 90932 56293 73 2 0x100090 syslogd
56293 303628 1 0 3 0x100082 netio syslogd
68459 425749 1 77 3 0x100090 poll dhclient
36911 58752 1 0 3 0x80 poll dhclient
56206 238502 0 0 2 0x14200 zerothread
5835 239343 0 0 3 0x14200 aiodoned aiodoned
38692 124704 0 0 3 0x14200 syncer update
30045 377418 0 0 3 0x14200 cleaner cleaner
8830 232312 0 0 3 0x14200 reaper reaper
36321 273872 0 0 3 0x14200 pgdaemon pagedaemon
27140 184915 0 0 3 0x14200 bored crynlk
99803 446221 0 0 3 0x14200 bored crypto
11482 154614 0 0 3 0x40014200 acpi0 acpi0
50541 283257 0 0 3 0x14200 bored softnet
80198 487934 0 0 3 0x14200 bored systqmp
67536 180871 0 0 3 0x14200 bored systq
44741 199952 0 0 3 0x40014200 bored softclock
30804 187632 0 0 3 0x40014200 idle0
1 82730 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb>