login: uvm_fault(0xfffffd807f00ce70, 0x8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{0}> ddb{0}> set $lines = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd807f00ce70, 0x8, 0, 1) -> e VOP_ACCESS(4247d6eebd898fd9,d,ffff80002100a270,2275bbdb3b8) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210e33b0, count: 0 ddb{0}> trace VOP_ACCESS(4247d6eebd898fd9,d,ffff80002100a270,2275bbdb3b8) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(5e28942af2b32847,10,ffff80002100a270) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:924 syscall(af853783740ac443) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(af853783740ac443) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,224a05a2010) at Xsyscall+0x128 end of kernel end trace frame: 0x2275bbdb440, count: -4 ddb{0}> show registers rdi 0xffffffff81e79a0a VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210e2e90 rbx 0x2f rdx 0x8f rcx 0xffff800002b44000 rax 0xffff800002b44000 r8 0x40 r9 0xfffffd807f7c79c0 r10 0x370a929b5cb26b67 r11 0x5d43a9796bebd5d1 r12 0x100 r13 0 r14 0xffff80002100a270 r15 0xfffffd807f7c79c0 rip 0xffffffff81e79a1a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210e2e40 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{0}> show proc PROC (syz-executor1) pid=56724 stat=onproc flags process=10 proc=4000000 pri=75, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff80002100b2d8,0xffff80002100b9f0 process=0xffff800020fe46a0 user=0xffff8000210de000, vmspace=0xfffffd807f00ce70 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 41123 58287 97978 60929 2 0x10 syz-executor1 *41123 56724 97978 60929 7 0x4000010 syz-executor1 56217 484836 43193 0 2 0 syz-executor0 56217 96526 43193 0 7 0x4000000 syz-executor0 56217 354601 43193 0 3 0x4000080 fsleep syz-executor0 52662 451645 1 0 3 0x100083 ttyin getty 91289 488138 0 0 3 0x14200 bored sosplice 97978 509638 70407 0 3 0x82 nanosleep syz-executor1 43193 77218 70407 0 3 0x82 nanosleep syz-executor0 70407 153134 33503 0 3 0x82 thrsleep syz-fuzzer 70407 197820 33503 0 3 0x4000082 thrsleep syz-fuzzer 70407 372818 33503 0 3 0x4000082 thrsleep syz-fuzzer 70407 354924 33503 0 3 0x4000082 thrsleep syz-fuzzer 70407 308691 33503 0 3 0x4000082 thrsleep syz-fuzzer 70407 503881 33503 0 3 0x4000082 thrsleep syz-fuzzer 70407 274642 33503 0 3 0x4000082 thrsleep syz-fuzzer 70407 420524 33503 0 3 0x4000082 thrsleep syz-fuzzer 70407 438017 33503 0 3 0x4000082 kqread syz-fuzzer 70407 267901 33503 0 3 0x4000082 thrsleep syz-fuzzer 33503 88835 34898 0 3 0x10008a pause ksh 34898 438690 9690 0 3 0x92 select sshd 9690 430145 1 0 3 0x80 select sshd 47781 365983 18417 73 2 0x100090 syslogd 18417 318948 1 0 3 0x100082 netio syslogd 47563 477942 1 77 3 0x100090 poll dhclient 23145 452105 1 0 3 0x80 poll dhclient 17372 223372 0 0 2 0x14200 zerothread 25889 86887 0 0 3 0x14200 aiodoned aiodoned 62361 43690 0 0 3 0x14200 syncer update 81402 2302 0 0 3 0x14200 cleaner cleaner 71303 514950 0 0 3 0x14200 reaper reaper 22370 515149 0 0 3 0x14200 pgdaemon pagedaemon 1819 241888 0 0 3 0x14200 bored crynlk 43399 390515 0 0 3 0x14200 bored crypto 78924 487605 0 0 3 0x40014200 acpi0 acpi0 84563 485892 0 0 3 0x40014200 idle1 51947 135891 0 0 3 0x14200 bored softnet 74208 175709 0 0 3 0x14200 bored systqmp 64093 508106 0 0 3 0x14200 bored systq 68100 253319 0 0 3 0x40014200 bored softclock 65016 411227 0 0 3 0x40014200 idle0 1 233586 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper