uvm_fault(0xfffffd807f00d738, 0x8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{0}> ddb{0}> set $lines = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd807f00d738, 0x8, 0, 1) -> e VOP_ACCESS(34bda3843d74ce96,d,ffff800020fe32d8,90326fc5618) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210f74c0, count: 0 ddb{0}> trace VOP_ACCESS(34bda3843d74ce96,d,ffff800020fe32d8,90326fc5618) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(7763909a83bcbe6f,10,ffff800020fe32d8) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(5d7cce956b661c30) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(5d7cce956b661c30) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,9005c430010) at Xsyscall+0x128 end of kernel end trace frame: 0x90326fc56a0, count: -4 ddb{0}> show registers rdi 0xffffffff8185116a VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210f6fa0 rbx 0x2f rdx 0x8f rcx 0xffff800001dbd000 rax 0xffff800001dbd000 r8 0x40 r9 0xfffffd807f7c77e0 r10 0xb04d3d22b5609c97 r11 0xfdd77c2f6ebab656 r12 0x100 r13 0 r14 0xffff800020fe32d8 r15 0xfffffd807f7c77e0 rip 0xffffffff8185117a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210f6f50 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{0}> show proc PROC (syz-executor0) pid=181118 stat=onproc flags process=10 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800020fe3080,0xffff800020fe3540 process=0xffff80002101a9f0 user=0xffff8000210f2000, vmspace=0xfffffd807f00d738 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19993 365137 36812 60929 2 0x10 syz-executor0 *19993 181118 36812 60929 7 0x4000010 syz-executor0 53112 292552 88800 0 2 0 syz-executor1 53112 209762 88800 0 3 0x4000080 fsleep syz-executor1 53112 111359 88800 0 3 0x4000080 fsleep syz-executor1 53112 160271 88800 0 2 0x4000000 syz-executor1 36812 236535 8393 0 3 0x82 nanosleep syz-executor0 88800 402979 8393 0 3 0x82 nanosleep syz-executor1 80899 478886 1 0 3 0x100083 ttyin getty 2610 205766 0 0 3 0x14200 bored sosplice 8393 112236 68601 0 3 0x82 thrsleep syz-fuzzer 8393 438031 68601 0 3 0x4000082 nanosleep syz-fuzzer 8393 171598 68601 0 3 0x4000082 thrsleep syz-fuzzer 8393 256421 68601 0 3 0x4000082 thrsleep syz-fuzzer 8393 163005 68601 0 3 0x4000082 thrsleep syz-fuzzer 8393 46684 68601 0 3 0x4000082 thrsleep syz-fuzzer 8393 26671 68601 0 3 0x4000082 thrsleep syz-fuzzer 8393 70383 68601 0 3 0x4000082 thrsleep syz-fuzzer 8393 64776 68601 0 3 0x4000082 kqread syz-fuzzer 8393 489992 68601 0 3 0x4000082 thrsleep syz-fuzzer 68601 205984 54556 0 3 0x10008a pause ksh 54556 223565 33997 0 3 0x92 select sshd 33997 135901 1 0 3 0x80 select sshd 33468 394190 55856 73 7 0x100090 syslogd 55856 246388 1 0 3 0x100082 netio syslogd 89014 439137 1 77 3 0x100090 poll dhclient 42708 523687 1 0 3 0x80 poll dhclient 58437 253105 0 0 2 0x14200 zerothread 99307 281027 0 0 3 0x14200 aiodoned aiodoned 5966 187381 0 0 3 0x14200 syncer update 71053 209926 0 0 3 0x14200 cleaner cleaner 9008 379204 0 0 3 0x14200 reaper reaper 43598 246187 0 0 3 0x14200 pgdaemon pagedaemon 95437 153110 0 0 3 0x14200 bored crynlk 87196 244172 0 0 3 0x14200 bored crypto 10454 123898 0 0 3 0x40014200 acpi0 acpi0 62472 257092 0 0 3 0x40014200 idle1 71426 469512 0 0 3 0x14200 bored softnet 58127 255422 0 0 3 0x14200 bored systqmp 73715 249572 0 0 3 0x14200 bored systq 55644 274362 0 0 2 0x40014200 softclock 18724 27438 0 0 3 0x40014200 idle0 1 373531 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper