uvm_fault(0xfffffd803f014318, 0x8, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at VOP_ACCESS+0x4a: movq 0x8(%r13),%rax
ddb>
ddb> set $lines = 0
ddb> show panic
kernel page fault
uvm_fault(0xfffffd803f014318, 0x8, 0, 1) -> e
VOP_ACCESS(a48a170b574295bc,d,ffff800014956280,ffff800014a30df0) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189
end trace frame: 0xffff800014a30d00, count: 0
ddb> trace
VOP_ACCESS(a48a170b574295bc,d,ffff800014956280,ffff800014a30df0) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189
sys_unveil(3b32ff32b6bb4771,10,ffff800014956280) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925
syscall(28edf18940eaa5b2) at syscall+0x528
Xsyscall(6,0,8,0,2,ad564688010) at Xsyscall+0x128
end of kernel
end trace frame: 0xad7dbc7a410, count: -4
ddb> show registers
rdi 0xffffffff8109823a VOP_ACCESS+0x3a
rsi 0x84
rbp 0xffff800014a307e0
rbx 0x2f
rdx 0x85
rcx 0xffff800001738000
rax 0xffff800001738000
r8 0x40
r9 0xfffffd803f7c7a80
r10 0xc4cd00cd37ef9019
r11 0xef8a1a02a19a200f
r12 0x100
r13 0
r14 0xffff800014956280
r15 0xfffffd803f7c7a80
rip 0xffffffff8109824a VOP_ACCESS+0x4a
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800014a30790
ss 0x10
VOP_ACCESS+0x4a: movq 0x8(%r13),%rax
ddb> show proc
PROC (syz-executor1) pid=423164 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800014956988,0xffffffff8221ec38
process=0xffff8000149b2368 user=0xffff800014a2b000, vmspace=0xfffffd803f014318
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
20962 511129 8709 60929 2 0x10 syz-executor1
*20962 423164 8709 60929 7 0x4000010 syz-executor1
8709 142092 67240 0 2 0x482 syz-executor1
28807 70516 67240 0 2 0x2 syz-executor0
19669 99214 1 0 3 0x100083 ttyopn getty
8357 43209 0 0 3 0x14200 bored sosplice
67240 199449 30955 0 3 0x82 thrsleep syz-fuzzer
67240 34449 30955 0 2 0x4000482 syz-fuzzer
67240 170510 30955 0 3 0x4000082 thrsleep syz-fuzzer
67240 188257 30955 0 3 0x4000082 thrsleep syz-fuzzer
67240 488281 30955 0 3 0x4000082 kqread syz-fuzzer
67240 429858 30955 0 3 0x4000082 thrsleep syz-fuzzer
67240 239876 30955 0 3 0x4000082 thrsleep syz-fuzzer
67240 323316 30955 0 3 0x4000082 thrsleep syz-fuzzer
30955 170274 12481 0 3 0x10008a pause ksh
12481 69948 40894 0 3 0x92 select sshd
40894 365632 1 0 3 0x80 select sshd
48135 480654 12791 73 2 0x100090 syslogd
12791 356035 1 0 3 0x100082 netio syslogd
23768 490190 1 77 3 0x100090 poll dhclient
13023 110824 1 0 3 0x80 poll dhclient
96171 132008 0 0 2 0x14200 zerothread
14681 470283 0 0 3 0x14200 aiodoned aiodoned
8745 37689 0 0 3 0x14200 syncer update
56049 337875 0 0 3 0x14200 cleaner cleaner
58541 195947 0 0 3 0x14200 reaper reaper
93492 68985 0 0 3 0x14200 pgdaemon pagedaemon
62595 186046 0 0 3 0x14200 bored crynlk
35623 263944 0 0 3 0x14200 bored crypto
48553 512425 0 0 3 0x40014200 acpi0 acpi0
42604 461583 0 0 3 0x14200 bored softnet
92254 333993 0 0 3 0x14200 bored systqmp
84638 158700 0 0 3 0x14200 bored systq
5329 482377 0 0 3 0x40014200 bored softclock
84665 435405 0 0 3 0x40014200 idle0
1 70421 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper