uvm_fault(0xfffffd807f00d420, 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(0xfffffd807f00d420, 0x8, 0, 1) -> e VOP_ACCESS(83eec242badbbb2,d,ffff80002100a720,bf783873b78) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210b18a0, count: 0 ddb{0}> trace VOP_ACCESS(83eec242badbbb2,d,ffff80002100a720,bf783873b78) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(9a5b9d2cfae8b3e9,10,ffff80002100a720) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(ea1a328831155219) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ea1a328831155219) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,bf4b02ed010) at Xsyscall+0x128 end of kernel end trace frame: 0xbf783873c00, count: -4 ddb{0}> show registers rdi 0xffffffff8185116a VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210b1380 rbx 0x2f rdx 0x8f rcx 0xffff800001744000 rax 0xffff800001744000 r8 0x40 r9 0xfffffd807f7c78a0 r10 0x751e5ebc61571933 r11 0xa09a7483564d9e8e r12 0x100 r13 0 r14 0xffff80002100a720 r15 0xfffffd807f7c78a0 rip 0xffffffff8185117a VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210b1330 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{0}> show proc PROC (syz-executor1) pid=238292 stat=onproc flags process=10 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff80002100b788,0xffffffff82261fc8 process=0xffff80002101b710 user=0xffff8000210ac000, vmspace=0xfffffd807f00d420 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 16921 431587 90892 60929 2 0x10 syz-executor1 *16921 238292 90892 60929 7 0x4000010 syz-executor1 66323 339814 77081 0 7 0x2 syz-executor0 90892 48165 77081 0 3 0x82 nanosleep syz-executor1 2823 519723 1 0 3 0x100083 ttyin getty 60034 282302 0 0 3 0x14200 bored sosplice 77081 363862 87334 0 3 0x82 thrsleep syz-fuzzer 77081 473286 87334 0 2 0x4000482 syz-fuzzer 77081 454185 87334 0 3 0x4000082 thrsleep syz-fuzzer 77081 395545 87334 0 3 0x4000082 thrsleep syz-fuzzer 77081 165024 87334 0 3 0x4000082 thrsleep syz-fuzzer 77081 124400 87334 0 3 0x4000082 kqread syz-fuzzer 77081 99457 87334 0 3 0x4000082 thrsleep syz-fuzzer 77081 115613 87334 0 3 0x4000082 thrsleep syz-fuzzer 77081 93652 87334 0 3 0x4000082 thrsleep syz-fuzzer 77081 437412 87334 0 3 0x4000082 thrsleep syz-fuzzer 87334 199410 40033 0 3 0x10008a pause ksh 40033 179200 16514 0 3 0x92 select sshd 16514 129370 1 0 3 0x80 select sshd 93041 62531 10825 73 2 0x100090 syslogd 10825 193976 1 0 3 0x100082 netio syslogd 35828 261134 1 77 3 0x100090 poll dhclient 68821 279128 1 0 3 0x80 poll dhclient 31587 488087 0 0 3 0x14200 pgzero zerothread 1639 209028 0 0 3 0x14200 aiodoned aiodoned 95513 462850 0 0 3 0x14200 syncer update 35203 103144 0 0 3 0x14200 cleaner cleaner 35779 89491 0 0 3 0x14200 reaper reaper 89433 206801 0 0 3 0x14200 pgdaemon pagedaemon 48701 415560 0 0 3 0x14200 bored crynlk 37377 23207 0 0 3 0x14200 bored crypto 57608 449138 0 0 3 0x40014200 acpi0 acpi0 45621 42857 0 0 3 0x40014200 idle1 7102 54600 0 0 3 0x14200 bored softnet 41235 463179 0 0 3 0x14200 bored systqmp 61148 246749 0 0 3 0x14200 bored systq 70875 280607 0 0 3 0x40014200 bored softclock 39723 73254 0 0 3 0x40014200 idle0 1 498039 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper