uvm_fault(0xfffffd807f00cd68, 0x8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{1}> ddb{1}> set $lines = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807f00cd68, 0x8, 0, 1) -> e VOP_ACCESS(47737203c0842649,d,ffff800020fe3788,70a5315a478) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210f6e80, count: 0 ddb{1}> trace VOP_ACCESS(47737203c0842649,d,ffff800020fe3788,70a5315a478) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(61c3ebb114215ae2,10,ffff800020fe3788) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:924 syscall(f7b17976c9a93f02) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(f7b17976c9a93f02) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,707cb655010) at Xsyscall+0x128 end of kernel end trace frame: 0x70a5315a500, count: -4 ddb{1}> show registers rdi 0xffffffff81e79a0a VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210f6960 rbx 0x2f rdx 0x8f rcx 0xffff800000b44000 rax 0xffff800000b44000 r8 0x40 r9 0xfffffd807f7c7240 r10 0x2ca474d6466ec97c r11 0x855d2e2086cecc9a r12 0x100 r13 0 r14 0xffff800020fe3788 r15 0xfffffd807f7c7240 rip 0xffffffff81e79a1a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210f6910 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{1}> show proc PROC (syz-executor1) pid=65131 stat=onproc flags process=10 proc=4000000 pri=71, usrpri=71, nice=20 forw=0xffffffffffffffff, list=0xffff800020fe3080,0xffffffff82236368 process=0xffff80002101ba58 user=0xffff8000210f2000, vmspace=0xfffffd807f00cd68 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 44939 10587 63365 60929 2 0x10 syz-executor1 *44939 65131 63365 60929 7 0x4000010 syz-executor1 58456 520255 77756 0 3 0x82 nanosleep syz-executor0 63365 361708 77756 0 3 0x82 nanosleep syz-executor1 66756 450136 1 0 3 0x100083 ttyin getty 9532 121707 0 0 3 0x14200 bored sosplice 77756 369259 2302 0 3 0x82 thrsleep syz-fuzzer 77756 301801 2302 0 3 0x4000082 thrsleep syz-fuzzer 77756 423162 2302 0 3 0x4000082 thrsleep syz-fuzzer 77756 23806 2302 0 3 0x4000082 thrsleep syz-fuzzer 77756 520242 2302 0 3 0x4000082 thrsleep syz-fuzzer 77756 18872 2302 0 3 0x4000082 thrsleep syz-fuzzer 77756 331011 2302 0 3 0x4000082 thrsleep syz-fuzzer 77756 217481 2302 0 3 0x4000082 kqread syz-fuzzer 77756 221053 2302 0 3 0x4000082 thrsleep syz-fuzzer 77756 204969 2302 0 3 0x4000082 thrsleep syz-fuzzer 77756 510334 2302 0 3 0x4000082 thrsleep syz-fuzzer 77756 279149 2302 0 3 0x4000082 thrsleep syz-fuzzer 2302 456124 41232 0 3 0x10008a pause ksh 41232 229079 47598 0 3 0x92 select sshd 47598 465767 1 0 3 0x80 select sshd 66721 370493 7893 73 2 0x100090 syslogd 7893 182841 1 0 3 0x100082 netio syslogd 73747 69077 1 77 3 0x100090 poll dhclient 95243 428208 1 0 3 0x80 poll dhclient 35213 283873 0 0 3 0x14200 pgzero zerothread 42597 241031 0 0 3 0x14200 aiodoned aiodoned 64755 359324 0 0 3 0x14200 syncer update 85053 233636 0 0 3 0x14200 cleaner cleaner 45913 424792 0 0 7 0x14200 reaper 22946 446711 0 0 3 0x14200 pgdaemon pagedaemon 19833 417542 0 0 3 0x14200 bored crynlk 31757 20978 0 0 3 0x14200 bored crypto 65024 78266 0 0 3 0x40014200 acpi0 acpi0 62323 343943 0 0 3 0x40014200 idle1 32854 120176 0 0 3 0x14200 bored softnet 30977 132612 0 0 3 0x14200 bored systqmp 61141 426052 0 0 3 0x14200 bored systq 63679 4845 0 0 3 0x40014200 bored softclock 55392 141392 0 0 3 0x40014200 idle0 1 426998 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper