login: uvm_fault(0xfffffd803f014630, 0x8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb> ddb> set $lines = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd803f014630, 0x8, 0, 1) -> e VOP_ACCESS(d20cb3d1521bbde5,d,ffff8000ffff8e18,ffff800014a0b620) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff800014a0b530, count: 0 ddb> trace VOP_ACCESS(d20cb3d1521bbde5,d,ffff8000ffff8e18,ffff800014a0b620) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(7e6caa444c4086b0,10,ffff8000ffff8e18) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(862e878a07a0b18c) at syscall+0x528 Xsyscall(6,0,8,0,2,462444ad010) at Xsyscall+0x128 end of kernel end trace frame: 0x46498b85970, count: -4 ddb> show registers rdi 0xffffffff8109823a VOP_ACCESS+0x3a rsi 0x84 rbp 0xffff800014a0b010 rbx 0x2f rdx 0x85 rcx 0xffff800001b39000 rax 0xffff800001b39000 r8 0x40 r9 0xfffffd803f7c7780 r10 0x819355bbcd1451d8 r11 0x5be3de4dbe2b86ae r12 0x100 r13 0 r14 0xffff8000ffff8e18 r15 0xfffffd803f7c7780 rip 0xffffffff8109824a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014a0afc0 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb> show proc PROC (syz-executor0) pid=287740 stat=onproc flags process=10 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9070,0xffffffff8221ec38 process=0xffff8000149d6020 user=0xffff800014a06000, vmspace=0xfffffd803f014630 estcpu=30, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 70173 10529 56142 60929 2 0x10 syz-executor0 *70173 287740 56142 60929 7 0x4000010 syz-executor0 92200 476709 1 0 3 0x100083 ttyin getty 8836 222478 43166 0 2 0x2 syz-executor1 56142 203701 43166 0 3 0x82 nanosleep syz-executor0 33158 71737 0 0 3 0x14200 bored sosplice 43166 85658 79612 0 3 0x82 kqread syz-fuzzer 43166 106683 79612 0 3 0x4000082 nanosleep syz-fuzzer 43166 495832 79612 0 3 0x4000082 thrsleep syz-fuzzer 43166 244425 79612 0 3 0x4000082 thrsleep syz-fuzzer 43166 232166 79612 0 3 0x4000082 thrsleep syz-fuzzer 43166 37717 79612 0 3 0x4000082 thrsleep syz-fuzzer 43166 459791 79612 0 3 0x4000082 thrsleep syz-fuzzer 79612 62239 17913 0 3 0x10008a pause ksh 17913 352643 3070 0 3 0x92 select sshd 3070 178477 1 0 3 0x80 select sshd 41385 109563 50969 73 2 0x100090 syslogd 50969 313082 1 0 3 0x100082 netio syslogd 9219 347238 1 77 3 0x100090 poll dhclient 19894 276029 1 0 3 0x80 poll dhclient 54960 251484 0 0 2 0x14200 zerothread 54913 7309 0 0 3 0x14200 aiodoned aiodoned 57985 192097 0 0 3 0x14200 syncer update 57151 382774 0 0 3 0x14200 cleaner cleaner 24853 521988 0 0 3 0x14200 reaper reaper 30056 327098 0 0 3 0x14200 pgdaemon pagedaemon 94857 82094 0 0 3 0x14200 bored crynlk 70783 43244 0 0 3 0x14200 bored crypto 59122 438893 0 0 3 0x40014200 acpi0 acpi0 60100 493879 0 0 3 0x14200 bored softnet 20306 305302 0 0 3 0x14200 bored systqmp 57886 168011 0 0 3 0x14200 bored systq 32986 60067 0 0 3 0x40014200 bored softclock 4697 52761 0 0 3 0x40014200 idle0 1 243057 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper