login: uvm_fault(0xfffffd807f00d210, 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(0xfffffd807f00d210, 0x8, 0, 1) -> e VOP_ACCESS(fcc54aa301cc4094,d,ffff800020fe3530,674b8ef9278) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210c93e0, count: 0 ddb{1}> trace VOP_ACCESS(fcc54aa301cc4094,d,ffff800020fe3530,674b8ef9278) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(fabc668a5e950b71,10,ffff800020fe3530) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(44c0583d9d69be75) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(44c0583d9d69be75) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,671cc4cf010) at Xsyscall+0x128 end of kernel end trace frame: 0x674b8ef9300, count: -4 ddb{1}> show registers rdi 0xffffffff8185116a VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210c8ec0 rbx 0x2f rdx 0x8f rcx 0xffff800001544000 rax 0xffff800001544000 r8 0x40 r9 0xfffffd807f7c7600 r10 0x3067ccb4a0d34a18 r11 0xc3339d74a5469a00 r12 0x100 r13 0 r14 0xffff800020fe3530 r15 0xfffffd807f7c7600 rip 0xffffffff8185117a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210c8e70 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{1}> show proc PROC (syz-executor1) pid=371055 stat=onproc flags process=10 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff800020fe2018,0xffffffff82261fc8 process=0xffff80002101a018 user=0xffff8000210c4000, vmspace=0xfffffd807f00d210 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 44270 51300 43816 60929 7 0x10 syz-executor1 *44270 371055 43816 60929 7 0x4000010 syz-executor1 45598 451426 1 0 3 0x100083 ttyin getty 66369 67683 16658 0 3 0x2 biowait syz-executor0 43816 114214 16658 0 3 0x82 nanosleep syz-executor1 27815 41222 0 0 3 0x14200 bored sosplice 16658 253274 23819 0 3 0x82 thrsleep syz-fuzzer 16658 139342 23819 0 3 0x4000082 nanosleep syz-fuzzer 16658 19345 23819 0 3 0x4000082 thrsleep syz-fuzzer 16658 186710 23819 0 3 0x4000082 thrsleep syz-fuzzer 16658 308768 23819 0 3 0x4000082 thrsleep syz-fuzzer 16658 107608 23819 0 3 0x4000082 kqread syz-fuzzer 16658 207137 23819 0 3 0x4000082 thrsleep syz-fuzzer 16658 128907 23819 0 3 0x4000082 thrsleep syz-fuzzer 16658 33340 23819 0 3 0x4000082 thrsleep syz-fuzzer 16658 56502 23819 0 3 0x4000082 thrsleep syz-fuzzer 16658 330180 23819 0 3 0x4000082 thrsleep syz-fuzzer 23819 119089 73211 0 3 0x10008a pause ksh 73211 297252 94360 0 3 0x92 select sshd 94360 261282 1 0 3 0x80 select sshd 96807 234573 17376 73 2 0x100090 syslogd 17376 118039 1 0 3 0x100082 netio syslogd 73183 306689 1 77 3 0x100090 poll dhclient 76985 282092 1 0 3 0x80 poll dhclient 66248 9048 0 0 3 0x14200 pgzero zerothread 84543 362707 0 0 3 0x14200 aiodoned aiodoned 79700 273276 0 0 3 0x14200 syncer update 69591 242484 0 0 3 0x14200 cleaner cleaner 90820 3022 0 0 3 0x14200 reaper reaper 75895 386899 0 0 3 0x14200 pgdaemon pagedaemon 61081 367329 0 0 3 0x14200 bored crynlk 30347 16477 0 0 3 0x14200 bored crypto 41397 432347 0 0 3 0x40014200 acpi0 acpi0 69175 346855 0 0 3 0x40014200 idle1 8000 459734 0 0 3 0x14200 bored softnet 10711 181125 0 0 3 0x14200 bored systqmp 2670 472285 0 0 3 0x14200 bored systq 95527 375438 0 0 3 0x40014200 bored softclock 39181 189001 0 0 3 0x40014200 idle0 1 429462 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper