uvm_fault(0xfffffd807f00d318, 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(0xfffffd807f00d318, 0x8, 0, 1) -> e VOP_ACCESS(ef1f6f3565dd7956,d,ffff80002100a018,a97002573b8) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210a9c90, count: 0 ddb{1}> trace VOP_ACCESS(ef1f6f3565dd7956,d,ffff80002100a018,a97002573b8) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(b87b409b987b9ec5,10,ffff80002100a018) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(c40cfc944d5e085a) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(c40cfc944d5e085a) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,a94a661e010) at Xsyscall+0x128 end of kernel end trace frame: 0xa9700257440, count: -4 ddb{1}> show registers rdi 0xffffffff8185116a VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210a9770 rbx 0x2f rdx 0x8f rcx 0xffff800001744000 rax 0xffff800001744000 r8 0x40 r9 0xfffffd807f7c7780 r10 0x6612a0aa760f8971 r11 0x617180c95419e20c r12 0x100 r13 0 r14 0xffff80002100a018 r15 0xfffffd807f7c7780 rip 0xffffffff8185117a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210a9720 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{1}> show proc PROC (syz-executor0) pid=278455 stat=onproc flags process=10 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002100b2d8,0xffffffff82261fc8 process=0xffff80002101b080 user=0xffff8000210a4000, vmspace=0xfffffd807f00d318 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97562 17453 99315 60929 7 0x10 syz-executor0 *97562 278455 99315 60929 7 0x4000010 syz-executor0 99315 518942 81219 0 3 0x82 nanosleep syz-executor0 72962 468904 81219 0 3 0x2 biowait syz-executor1 42321 134475 1 0 3 0x100083 ttyin getty 45581 34134 0 0 3 0x14200 bored sosplice 81219 496401 27808 0 3 0x82 thrsleep syz-fuzzer 81219 127409 27808 0 3 0x4000082 nanosleep syz-fuzzer 81219 179074 27808 0 3 0x4000082 thrsleep syz-fuzzer 81219 63356 27808 0 3 0x4000082 thrsleep syz-fuzzer 81219 434907 27808 0 3 0x4000082 thrsleep syz-fuzzer 81219 286206 27808 0 3 0x4000082 thrsleep syz-fuzzer 81219 249855 27808 0 3 0x4000082 kqread syz-fuzzer 81219 308810 27808 0 3 0x4000082 thrsleep syz-fuzzer 81219 220001 27808 0 3 0x4000082 thrsleep syz-fuzzer 81219 395212 27808 0 3 0x4000082 thrsleep syz-fuzzer 81219 495562 27808 0 3 0x4000082 thrsleep syz-fuzzer 27808 31249 64675 0 3 0x10008a pause ksh 64675 380056 12122 0 3 0x92 select sshd 12122 262863 1 0 3 0x80 select sshd 27154 515539 53337 73 2 0x100090 syslogd 53337 181760 1 0 3 0x100082 netio syslogd 12248 378691 1 77 3 0x100090 poll dhclient 28718 12683 1 0 3 0x80 poll dhclient 16877 257643 0 0 3 0x14200 pgzero zerothread 88060 44736 0 0 3 0x14200 aiodoned aiodoned 37688 33638 0 0 3 0x14200 syncer update 54851 186224 0 0 3 0x14200 cleaner cleaner 31922 241058 0 0 3 0x14200 reaper reaper 53910 316696 0 0 3 0x14200 pgdaemon pagedaemon 34384 169087 0 0 3 0x14200 bored crynlk 20349 268796 0 0 3 0x14200 bored crypto 35130 19104 0 0 3 0x40014200 acpi0 acpi0 64105 289104 0 0 3 0x40014200 idle1 87614 211121 0 0 3 0x14200 bored softnet 12887 43254 0 0 3 0x14200 bored systqmp 62194 40595 0 0 3 0x14200 bored systq 88403 56498 0 0 3 0x40014200 bored softclock 14995 62678 0 0 3 0x40014200 idle0 1 86433 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper