uvm_fault(0xfffffd803f014b58, 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(0xfffffd803f014b58, 0x8, 0, 1) -> e
VOP_ACCESS(9baa48883630fa6e,d,ffff800014a0c020,ffff800014a02490) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189
end trace frame: 0xffff800014a023a0, count: 0
ddb> trace
VOP_ACCESS(9baa48883630fa6e,d,ffff800014a0c020,ffff800014a02490) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189
sys_unveil(23f264d796c79c0d,10,ffff800014a0c020) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925
syscall(e0a44949985269e0) at syscall+0x528
Xsyscall(6,0,8,0,2,a055bce2010) at Xsyscall+0x128
end of kernel
end trace frame: 0xa0766c19910, count: -4
ddb> show registers
rdi 0xffffffff8109823a VOP_ACCESS+0x3a
rsi 0x84
rbp 0xffff800014a01e80
rbx 0x2f
rdx 0x85
rcx 0xffff800001738000
rax 0xffff800001738000
r8 0x40
r9 0xfffffd803f7c7600
r10 0xdc0d9b2817934b65
r11 0x6ae162afc357d3d2
r12 0x100
r13 0
r14 0xffff800014a0c020
r15 0xfffffd803f7c7600
rip 0xffffffff8109824a VOP_ACCESS+0x4a
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800014a01e30
ss 0x10
VOP_ACCESS+0x4a: movq 0x8(%r13),%rax
ddb> show proc
PROC (syz-executor1) pid=123500 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=78, usrpri=78, nice=20
forw=0xffffffffffffffff, list=0xffff800014a0d2e0,0xffff800014a0d9f8
process=0xffff8000149b86b0 user=0xffff8000149fd000, vmspace=0xfffffd803f014b58
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
97399 471836 3078 60929 2 0x10 syz-executor1
*97399 123500 3078 60929 7 0x4000010 syz-executor1
97399 13160 3078 60929 3 0x4000090 fsleep syz-executor1
12993 59522 1 0 3 0x100083 ttyin getty
3078 97850 98137 0 3 0x82 nanosleep syz-executor1
86462 270202 98137 0 2 0x2 syz-executor0
66212 496439 0 0 3 0x14200 bored sosplice
98137 75771 23103 0 3 0x82 thrsleep syz-fuzzer
98137 426771 23103 0 3 0x4000082 nanosleep syz-fuzzer
98137 24942 23103 0 3 0x4000082 thrsleep syz-fuzzer
98137 245204 23103 0 3 0x4000082 kqread syz-fuzzer
98137 378877 23103 0 3 0x4000082 thrsleep syz-fuzzer
98137 47632 23103 0 3 0x4000082 thrsleep syz-fuzzer
98137 518279 23103 0 3 0x4000082 thrsleep syz-fuzzer
98137 485157 23103 0 3 0x4000082 thrsleep syz-fuzzer
23103 246510 96581 0 3 0x10008a pause ksh
96581 14827 90827 0 3 0x92 select sshd
90827 49257 1 0 3 0x80 select sshd
73469 181508 44262 73 2 0x100090 syslogd
44262 72902 1 0 3 0x100082 netio syslogd
88693 192496 1 77 3 0x100090 poll dhclient
34792 506412 1 0 3 0x80 poll dhclient
93433 287882 0 0 2 0x14200 zerothread
56122 42313 0 0 3 0x14200 aiodoned aiodoned
62451 368939 0 0 3 0x14200 syncer update
14062 245982 0 0 3 0x14200 cleaner cleaner
15187 287954 0 0 3 0x14200 reaper reaper
95345 380762 0 0 3 0x14200 pgdaemon pagedaemon
33123 372981 0 0 3 0x14200 bored crynlk
47704 140559 0 0 3 0x14200 bored crypto
40365 341045 0 0 3 0x40014200 acpi0 acpi0
5726 72987 0 0 3 0x14200 bored softnet
80369 57457 0 0 3 0x14200 bored systqmp
99799 192370 0 0 3 0x14200 bored systq
40889 44442 0 0 3 0x40014200 bored softclock
34670 387296 0 0 3 0x40014200 idle0
1 52536 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper