uvm_fault(0xfffffd803f014b58, 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(0xfffffd803f014b58, 0x8, 0, 1) -> e VOP_ACCESS(9baa48883630fa6e,d,ffff800014a0c020,ffff800014a02490) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff800014a023a0, count: 0 ddb> trace VOP_ACCESS(9baa48883630fa6e,d,ffff800014a0c020,ffff800014a02490) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(23f264d796c79c0d,10,ffff800014a0c020) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(e0a44949985269e0) at syscall+0x528 Xsyscall(6,0,8,0,2,a055bce2010) at Xsyscall+0x128 end of kernel end trace frame: 0xa0766c19910, count: -4 ddb> show registers rdi 0xffffffff8109823a VOP_ACCESS+0x3a rsi 0x84 rbp 0xffff800014a01e80 rbx 0x2f rdx 0x85 rcx 0xffff800001738000 rax 0xffff800001738000 r8 0x40 r9 0xfffffd803f7c7600 r10 0xdc0d9b2817934b65 r11 0x6ae162afc357d3d2 r12 0x100 r13 0 r14 0xffff800014a0c020 r15 0xfffffd803f7c7600 rip 0xffffffff8109824a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014a01e30 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb> show proc PROC (syz-executor1) pid=123500 stat=onproc flags process=10 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800014a0d2e0,0xffff800014a0d9f8 process=0xffff8000149b86b0 user=0xffff8000149fd000, vmspace=0xfffffd803f014b58 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 97399 471836 3078 60929 2 0x10 syz-executor1 *97399 123500 3078 60929 7 0x4000010 syz-executor1 97399 13160 3078 60929 3 0x4000090 fsleep syz-executor1 12993 59522 1 0 3 0x100083 ttyin getty 3078 97850 98137 0 3 0x82 nanosleep syz-executor1 86462 270202 98137 0 2 0x2 syz-executor0 66212 496439 0 0 3 0x14200 bored sosplice 98137 75771 23103 0 3 0x82 thrsleep syz-fuzzer 98137 426771 23103 0 3 0x4000082 nanosleep syz-fuzzer 98137 24942 23103 0 3 0x4000082 thrsleep syz-fuzzer 98137 245204 23103 0 3 0x4000082 kqread syz-fuzzer 98137 378877 23103 0 3 0x4000082 thrsleep syz-fuzzer 98137 47632 23103 0 3 0x4000082 thrsleep syz-fuzzer 98137 518279 23103 0 3 0x4000082 thrsleep syz-fuzzer 98137 485157 23103 0 3 0x4000082 thrsleep syz-fuzzer 23103 246510 96581 0 3 0x10008a pause ksh 96581 14827 90827 0 3 0x92 select sshd 90827 49257 1 0 3 0x80 select sshd 73469 181508 44262 73 2 0x100090 syslogd 44262 72902 1 0 3 0x100082 netio syslogd 88693 192496 1 77 3 0x100090 poll dhclient 34792 506412 1 0 3 0x80 poll dhclient 93433 287882 0 0 2 0x14200 zerothread 56122 42313 0 0 3 0x14200 aiodoned aiodoned 62451 368939 0 0 3 0x14200 syncer update 14062 245982 0 0 3 0x14200 cleaner cleaner 15187 287954 0 0 3 0x14200 reaper reaper 95345 380762 0 0 3 0x14200 pgdaemon pagedaemon 33123 372981 0 0 3 0x14200 bored crynlk 47704 140559 0 0 3 0x14200 bored crypto 40365 341045 0 0 3 0x40014200 acpi0 acpi0 5726 72987 0 0 3 0x14200 bored softnet 80369 57457 0 0 3 0x14200 bored systqmp 99799 192370 0 0 3 0x14200 bored systq 40889 44442 0 0 3 0x40014200 bored softclock 34670 387296 0 0 3 0x40014200 idle0 1 52536 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper