uvm_fault(0xfffffd807f00d108, 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(0xfffffd807f00d108, 0x8, 0, 1) -> e VOP_ACCESS(f1e64b0dc8384486,d,ffff80002100a4c8,19e1298a658) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210c9580, count: 0 ddb{1}> trace VOP_ACCESS(f1e64b0dc8384486,d,ffff80002100a4c8,19e1298a658) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(af67258f7ea2f834,10,ffff80002100a4c8) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(4d554e60a2321a45) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(4d554e60a2321a45) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,19be2e02010) at Xsyscall+0x128 end of kernel end trace frame: 0x19e1298a6e0, count: -4 ddb{1}> show registers rdi 0xffffffff8185116a VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210c9060 rbx 0x2f rdx 0x8f rcx 0xffff800002b45000 rax 0xffff800002b45000 r8 0x40 r9 0xfffffd807f7c7780 r10 0x132f6be1b9778281 r11 0x7a282ccefd58f324 r12 0x100 r13 0 r14 0xffff80002100a4c8 r15 0xfffffd807f7c7780 rip 0xffffffff8185117a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210c9010 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{1}> show proc PROC (syz-executor1) pid=38756 stat=onproc flags process=10 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002100b080,0xffffffff82261fc8 process=0xffff800020fe5078 user=0xffff8000210c4000, vmspace=0xfffffd807f00d108 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9211 491246 57236 60929 7 0x10 syz-executor1 * 9211 38756 57236 60929 7 0x4000010 syz-executor1 20473 504491 1 0 3 0x100083 ttyin getty 19254 503560 0 0 3 0x14200 bored sosplice 57236 474569 86582 0 3 0x82 nanosleep syz-executor1 83136 149501 86582 0 3 0x2 biowait syz-executor0 86582 145899 15992 0 3 0x82 thrsleep syz-fuzzer 86582 473394 15992 0 3 0x4000082 nanosleep syz-fuzzer 86582 289383 15992 0 3 0x4000082 thrsleep syz-fuzzer 86582 270147 15992 0 3 0x4000082 thrsleep syz-fuzzer 86582 509870 15992 0 3 0x4000082 thrsleep syz-fuzzer 86582 249106 15992 0 3 0x4000082 kqread syz-fuzzer 86582 326699 15992 0 3 0x4000082 thrsleep syz-fuzzer 86582 85201 15992 0 3 0x4000082 thrsleep syz-fuzzer 86582 245528 15992 0 3 0x4000082 thrsleep syz-fuzzer 86582 373420 15992 0 3 0x4000082 thrsleep syz-fuzzer 15992 310050 84012 0 3 0x10008a pause ksh 84012 324493 99962 0 3 0x92 select sshd 99962 106815 1 0 3 0x80 select sshd 882 433281 94283 73 2 0x100090 syslogd 94283 84844 1 0 3 0x100082 netio syslogd 88972 86308 1 77 3 0x100090 poll dhclient 57476 258419 1 0 3 0x80 poll dhclient 83589 217204 0 0 3 0x14200 pgzero zerothread 64538 485160 0 0 3 0x14200 aiodoned aiodoned 60098 94945 0 0 3 0x14200 syncer update 3353 286876 0 0 3 0x14200 cleaner cleaner 27704 218024 0 0 3 0x14200 reaper reaper 93008 448648 0 0 3 0x14200 pgdaemon pagedaemon 59538 90352 0 0 3 0x14200 bored crynlk 42411 157939 0 0 3 0x14200 bored crypto 5434 422601 0 0 3 0x40014200 acpi0 acpi0 98954 228883 0 0 3 0x40014200 idle1 72335 454445 0 0 3 0x14200 bored softnet 21243 502653 0 0 3 0x14200 bored systqmp 30490 192561 0 0 3 0x14200 bored systq 49158 354372 0 0 3 0x40014200 bored softclock 90452 226848 0 0 3 0x40014200 idle0 1 238378 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper