@.[À  uvm_fault(0xfffffd803f015000, 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(0xfffffd803f015000, 0x8, 0, 1) -> e VOP_ACCESS(8ca85f19f950988e,d,ffff8000ffff4be0,ffff800014a0c7b0) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff800014a0c6c0, count: 0 ddb> trace VOP_ACCESS(8ca85f19f950988e,d,ffff8000ffff4be0,ffff800014a0c7b0) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(d5de3eb436b780dd,10,ffff8000ffff4be0) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(393e8cb5dd0302ba) at syscall+0x528 Xsyscall(6,0,8,0,2,aeb66c13010) at Xsyscall+0x128 end of kernel end trace frame: 0xaedbd9e7aa0, count: -4 ddb> show registers rdi 0xffffffff81add1fa VOP_ACCESS+0x3a rsi 0x84 rbp 0xffff800014a0c1a0 rbx 0x2f rdx 0x85 rcx 0xffff8000019a1000 rax 0xffff8000019a1000 r8 0x40 r9 0xfffffd803f7c7420 r10 0x93a62ab50bd0e63c r11 0xf45bcc920ec930f1 r12 0x100 r13 0 r14 0xffff8000ffff4be0 r15 0xfffffd803f7c7420 rip 0xffffffff81add20a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014a0c150 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb> show proc PROC (syz-executor0) pid=465148 stat=onproc flags process=10 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5798,0xffffffff82206ba8 process=0xffff8000149b3718 user=0xffff800014a07000, vmspace=0xfffffd803f015000 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 81085 119978 6654 60929 2 0x10 syz-executor0 *81085 465148 6654 60929 7 0x4000010 syz-executor0 90086 131356 1 0 3 0x100083 ttyin getty 60581 86518 37400 0 2 0x2 syz-executor1 6654 122349 37400 0 3 0x82 nanosleep syz-executor0 78571 429615 0 0 3 0x14200 bored sosplice 37400 256363 99020 0 3 0x82 thrsleep syz-fuzzer 37400 467379 99020 0 3 0x4000082 nanosleep syz-fuzzer 37400 514412 99020 0 3 0x4000082 thrsleep syz-fuzzer 37400 247108 99020 0 3 0x4000082 kqread syz-fuzzer 37400 393862 99020 0 3 0x4000082 thrsleep syz-fuzzer 37400 350837 99020 0 3 0x4000082 thrsleep syz-fuzzer 37400 369867 99020 0 3 0x4000082 thrsleep syz-fuzzer 37400 286321 99020 0 3 0x4000082 thrsleep syz-fuzzer 99020 313925 70076 0 3 0x10008a pause ksh 70076 134707 7844 0 3 0x92 select sshd 7844 259935 1 0 3 0x80 select sshd 57504 181809 22792 73 2 0x100090 syslogd 22792 267020 1 0 3 0x100082 netio syslogd 38489 382136 1 77 3 0x100090 poll dhclient 15876 476511 1 0 3 0x80 poll dhclient 11070 66157 0 0 2 0x14200 zerothread 97448 377784 0 0 3 0x14200 aiodoned aiodoned 91480 361881 0 0 3 0x14200 syncer update 83610 254328 0 0 3 0x14200 cleaner cleaner 91159 134042 0 0 3 0x14200 reaper reaper 97783 454607 0 0 3 0x14200 pgdaemon pagedaemon 44634 442227 0 0 3 0x14200 bored crynlk 30947 120072 0 0 3 0x14200 bored crypto 31521 68159 0 0 3 0x40014200 acpi0 acpi0 15041 229056 0 0 3 0x14200 bored softnet 82225 317832 0 0 3 0x14200 bored systqmp 88594 469569 0 0 3 0x14200 bored systq 30914 233416 0 0 3 0x40014200 bored softclock 81315 142513 0 0 3 0x40014200 idle0 1 98063 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper