uvm_fault(0xfffffd807f00c318, 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(0xfffffd807f00c318, 0x8, 0, 1) -> e VOP_ACCESS(e0b4fc4b8d9e001c,d,ffff80002100b9e0,f5c1523d1a8) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210f3830, count: 0 ddb{1}> trace VOP_ACCESS(e0b4fc4b8d9e001c,d,ffff80002100b9e0,f5c1523d1a8) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(84bab0c73a727c3e,10,ffff80002100b9e0) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:924 syscall(c29235fe9347040) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(c29235fe9347040) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,f59265a3010) at Xsyscall+0x128 end of kernel end trace frame: 0xf5c1523d230, count: -4 ddb{1}> show registers rdi 0xffffffff81e79a0a VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210f3310 rbx 0x2f rdx 0x8f rcx 0xffff80000199a000 rax 0xffff80000199a000 r8 0x40 r9 0xfffffd807f7c79c0 r10 0xa4d64080fb843e15 r11 0xbb792407d2592bb1 r12 0x100 r13 0 r14 0xffff80002100b9e0 r15 0xfffffd807f7c79c0 rip 0xffffffff81e79a1a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210f32c0 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{1}> show proc PROC (syz-executor0) pid=200370 stat=onproc flags process=10 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002100ae28,0xffffffff82236368 process=0xffff800020fe53c0 user=0xffff8000210ee000, vmspace=0xfffffd807f00c318 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 38474 79716 99172 60929 7 0x10 syz-executor0 *38474 200370 99172 60929 7 0x4000010 syz-executor0 99172 42615 84163 0 3 0x82 nanosleep syz-executor0 98730 197371 84163 0 3 0x82 nanosleep syz-executor1 28838 61396 1 0 3 0x100083 ttyin getty 31450 487411 0 0 3 0x14200 bored sosplice 84163 503669 24156 0 3 0x82 thrsleep syz-fuzzer 84163 217503 24156 0 3 0x4000082 thrsleep syz-fuzzer 84163 183101 24156 0 3 0x4000082 thrsleep syz-fuzzer 84163 192579 24156 0 3 0x4000082 thrsleep syz-fuzzer 84163 433089 24156 0 3 0x4000082 thrsleep syz-fuzzer 84163 252481 24156 0 3 0x4000082 thrsleep syz-fuzzer 84163 53225 24156 0 3 0x4000082 thrsleep syz-fuzzer 84163 34503 24156 0 3 0x4000082 thrsleep syz-fuzzer 84163 382582 24156 0 3 0x4000082 thrsleep syz-fuzzer 84163 68516 24156 0 3 0x4000082 kqread syz-fuzzer 24156 495716 99631 0 3 0x10008a pause ksh 99631 459549 41931 0 3 0x92 select sshd 41931 240710 1 0 3 0x80 select sshd 98531 846 6949 73 2 0x100090 syslogd 6949 54071 1 0 3 0x100082 netio syslogd 12857 135025 1 77 3 0x100090 poll dhclient 41944 421994 1 0 3 0x80 poll dhclient 56153 260258 0 0 3 0x14200 pgzero zerothread 32082 222159 0 0 3 0x14200 aiodoned aiodoned 82548 486720 0 0 3 0x14200 syncer update 14198 485388 0 0 3 0x14200 cleaner cleaner 89820 144440 0 0 3 0x14200 reaper reaper 67163 399291 0 0 3 0x14200 pgdaemon pagedaemon 1491 282418 0 0 3 0x14200 bored crynlk 84612 305715 0 0 3 0x14200 bored crypto 30241 272418 0 0 3 0x40014200 acpi0 acpi0 9134 235416 0 0 3 0x40014200 idle1 44757 475429 0 0 3 0x14200 bored softnet 30004 275870 0 0 3 0x14200 bored systqmp 10419 228646 0 0 3 0x14200 bored systq 61337 183131 0 0 3 0x40014200 bored softclock 19164 407166 0 0 3 0x40014200 idle0 1 160392 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper