uvm_fault(0xfffffd807f00d420, 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(0xfffffd807f00d420, 0x8, 0, 1) -> e VOP_ACCESS(77c5404f2800eac2,d,ffff80002100b530,54b2608d088) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210d3870, count: 0 ddb{1}> trace VOP_ACCESS(77c5404f2800eac2,d,ffff80002100b530,54b2608d088) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(dd5432cd0972d87,10,ffff80002100b530) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(ab5b54837d31adb7) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ab5b54837d31adb7) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,5486ac36010) at Xsyscall+0x128 end of kernel end trace frame: 0x54b2608d110, count: -4 ddb{1}> show registers rdi 0xffffffff8185116a VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210d3350 rbx 0x2f rdx 0x8f rcx 0xffff800000943000 rax 0xffff800000943000 r8 0x40 r9 0xfffffd807f7c76c0 r10 0xc10c6f32ac2960bb r11 0x6d9602a9ff0fd3ab r12 0x100 r13 0 r14 0xffff80002100b530 r15 0xfffffd807f7c76c0 rip 0xffffffff8185117a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210d3300 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{1}> show proc PROC (syz-executor0) pid=230599 stat=onproc flags process=10 proc=4000000 pri=76, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff80002100b788,0xffffffff82261fc8 process=0xffff800020fe4d30 user=0xffff8000210ce000, vmspace=0xfffffd807f00d420 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 52611 430455 88302 60929 7 0x10 syz-executor0 *52611 230599 88302 60929 7 0x4000010 syz-executor0 51729 369915 1 0 3 0x100083 ttyin getty 97669 230570 0 0 3 0x14200 bored sosplice 56604 239592 89150 0 3 0x2 biowait syz-executor1 88302 210585 89150 0 3 0x82 nanosleep syz-executor0 89150 286192 29164 0 3 0x82 thrsleep syz-fuzzer 89150 507616 29164 0 3 0x4000082 nanosleep syz-fuzzer 89150 81307 29164 0 3 0x4000082 thrsleep syz-fuzzer 89150 398815 29164 0 3 0x4000082 thrsleep syz-fuzzer 89150 373278 29164 0 3 0x4000082 thrsleep syz-fuzzer 89150 240152 29164 0 3 0x4000082 kqread syz-fuzzer 89150 442439 29164 0 3 0x4000082 thrsleep syz-fuzzer 89150 485590 29164 0 3 0x4000082 thrsleep syz-fuzzer 89150 247269 29164 0 3 0x4000082 thrsleep syz-fuzzer 89150 176982 29164 0 3 0x4000082 thrsleep syz-fuzzer 29164 48942 46396 0 3 0x10008a pause ksh 46396 68956 2451 0 3 0x92 select sshd 2451 225053 1 0 3 0x80 select sshd 99306 299663 15715 73 2 0x100090 syslogd 15715 378641 1 0 3 0x100082 netio syslogd 77788 383915 1 77 3 0x100090 poll dhclient 98448 513042 1 0 3 0x80 poll dhclient 15272 311210 0 0 3 0x14200 pgzero zerothread 38127 437848 0 0 3 0x14200 aiodoned aiodoned 31618 226828 0 0 3 0x14200 syncer update 99857 324975 0 0 3 0x14200 cleaner cleaner 55023 97795 0 0 3 0x14200 reaper reaper 5941 43555 0 0 3 0x14200 pgdaemon pagedaemon 83079 89868 0 0 3 0x14200 bored crynlk 59825 282770 0 0 3 0x14200 bored crypto 92646 420752 0 0 3 0x40014200 acpi0 acpi0 82973 39264 0 0 3 0x40014200 idle1 6431 332294 0 0 3 0x14200 bored softnet 14362 5362 0 0 3 0x14200 bored systqmp 41157 329401 0 0 3 0x14200 bored systq 58467 436230 0 0 3 0x40014200 bored softclock 85185 7967 0 0 3 0x40014200 idle0 1 405647 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper