login: uvm_fault(0xfffffd803f014738, 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(0xfffffd803f014738, 0x8, 0, 1) -> e VOP_ACCESS(7ecda2c24512a5e2,d,ffff800014a224c8,ffff8000149e6ed0) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000149e6de0, count: 0 ddb> trace VOP_ACCESS(7ecda2c24512a5e2,d,ffff800014a224c8,ffff8000149e6ed0) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(ac68dfa3f9b7b99,10,ffff800014a224c8) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(84da6bfddb4bdfe6) at syscall+0x528 Xsyscall(6,0,8,0,2,561f0266010) at Xsyscall+0x128 end of kernel end trace frame: 0x564da2e6250, count: -4 ddb> show registers rdi 0xffffffff8109823a VOP_ACCESS+0x3a rsi 0x84 rbp 0xffff8000149e68c0 rbx 0x2f rdx 0x85 rcx 0xffff800000938000 rax 0xffff800000938000 r8 0x40 r9 0xfffffd803f7c7a20 r10 0xf5397205becfacf1 r11 0xfa8f6018fd96c491 r12 0x100 r13 0 r14 0xffff800014a224c8 r15 0xfffffd803f7c7a20 rip 0xffffffff8109824a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149e6870 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb> show proc PROC (syz-executor0) pid=169344 stat=onproc flags process=10 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800014a232d8,0xffffffff8221ec38 process=0xffff8000149b8020 user=0xffff8000149e1000, vmspace=0xfffffd803f014738 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 44002 283528 23096 60929 2 0x10 syz-executor0 *44002 169344 23096 60929 7 0x4000010 syz-executor0 26237 130570 99790 0 2 0x480 syz-executor1 26237 394535 99790 0 3 0x4000080 lockf syz-executor1 26237 347162 99790 0 3 0x4000080 fsleep syz-executor1 6394 385350 1 0 3 0x100083 ttyin getty 46023 228771 0 0 3 0x14200 bored sosplice 23096 457763 13651 0 2 0x482 syz-executor0 99790 382811 13651 0 2 0x482 syz-executor1 13651 131699 26025 0 3 0x82 thrsleep syz-fuzzer 13651 416938 26025 0 3 0x4000082 thrsleep syz-fuzzer 13651 43142 26025 0 3 0x4000082 thrsleep syz-fuzzer 13651 24403 26025 0 3 0x4000082 kqread syz-fuzzer 13651 127450 26025 0 3 0x4000082 thrsleep syz-fuzzer 13651 514816 26025 0 3 0x4000082 thrsleep syz-fuzzer 13651 384511 26025 0 3 0x4000082 thrsleep syz-fuzzer 26025 413280 19028 0 3 0x10008a pause ksh 19028 327531 88502 0 3 0x92 select sshd 88502 259562 1 0 3 0x80 select sshd 72669 64107 48215 73 2 0x100090 syslogd 48215 498151 1 0 3 0x100082 netio syslogd 52917 228284 1 77 3 0x100090 poll dhclient 54057 425783 1 0 3 0x80 poll dhclient 23649 468873 0 0 2 0x14200 zerothread 25573 200469 0 0 3 0x14200 aiodoned aiodoned 70484 233945 0 0 3 0x14200 syncer update 49656 85682 0 0 3 0x14200 cleaner cleaner 36815 477860 0 0 3 0x14200 reaper reaper 68791 493146 0 0 3 0x14200 pgdaemon pagedaemon 93522 181955 0 0 3 0x14200 bored crynlk 59982 490578 0 0 3 0x14200 bored crypto 91578 517299 0 0 3 0x40014200 acpi0 acpi0 64931 446932 0 0 3 0x14200 bored softnet 89509 459202 0 0 3 0x14200 bored systqmp 40516 129852 0 0 3 0x14200 bored systq 57838 238517 0 0 3 0x40014200 bored softclock 39751 189650 0 0 3 0x40014200 idle0 1 253968 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper