uvm_fault(0xfffffd807f00de70, 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(0xfffffd807f00de70, 0x8, 0, 1) -> e VOP_ACCESS(1b3684a7ad2a7518,d,ffff80002100b788,5284695c188) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff800021105610, count: 0 ddb{1}> trace VOP_ACCESS(1b3684a7ad2a7518,d,ffff80002100b788,5284695c188) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(9e0a7212a2890184,10,ffff80002100b788) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(7441bdd748cab1f1) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(7441bdd748cab1f1) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,525af767010) at Xsyscall+0x128 end of kernel end trace frame: 0x5284695c210, count: -4 ddb{1}> show registers rdi 0xffffffff813744ca VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000211050f0 rbx 0x2f rdx 0x8f rcx 0xffff800001743000 rax 0xffff800001743000 r8 0x40 r9 0xfffffd807f7c7660 r10 0x657129e9256caec4 r11 0xca80d317dc6ed54c r12 0x100 r13 0 r14 0xffff80002100b788 r15 0xfffffd807f7c7660 rip 0xffffffff813744da VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000211050a0 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{1}> show proc PROC (syz-executor1) pid=70207 stat=onproc flags process=10 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002100a018,0xffffffff822529f8 process=0xffff80002101a6a8 user=0xffff800021100000, vmspace=0xfffffd807f00de70 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 51376 7335 18279 60929 2 0x10 syz-executor1 *51376 70207 18279 60929 7 0x4000010 syz-executor1 87231 298131 40631 0 3 0x80 nanosleep syz-executor0 87231 350124 40631 0 3 0x4000080 nanosleep syz-executor0 87231 488252 40631 0 3 0x4000080 fsleep syz-executor0 18279 271095 53776 0 7 0x2 syz-executor1 40631 393393 53776 0 3 0x82 nanosleep syz-executor0 76335 374442 1 0 3 0x100083 ttyin getty 68176 307783 0 0 3 0x14200 bored sosplice 53776 129666 29437 0 3 0x82 thrsleep syz-fuzzer 53776 122761 29437 0 2 0x4000002 syz-fuzzer 53776 126903 29437 0 3 0x4000082 thrsleep syz-fuzzer 53776 910 29437 0 3 0x4000082 thrsleep syz-fuzzer 53776 345926 29437 0 3 0x4000082 thrsleep syz-fuzzer 53776 30181 29437 0 3 0x4000082 thrsleep syz-fuzzer 53776 503132 29437 0 3 0x4000082 thrsleep syz-fuzzer 53776 211926 29437 0 3 0x4000082 thrsleep syz-fuzzer 53776 81327 29437 0 3 0x4000082 thrsleep syz-fuzzer 53776 312539 29437 0 3 0x4000082 kqread syz-fuzzer 53776 162164 29437 0 3 0x4000082 thrsleep syz-fuzzer 29437 183070 72211 0 3 0x10008a pause ksh 72211 99125 69745 0 3 0x92 select sshd 69745 442554 1 0 3 0x80 select sshd 78576 196710 60910 73 2 0x100090 syslogd 60910 332945 1 0 3 0x100082 netio syslogd 82769 339007 1 77 3 0x100090 poll dhclient 80353 80635 1 0 3 0x80 poll dhclient 96322 93253 0 0 3 0x14200 pgzero zerothread 42497 358292 0 0 3 0x14200 aiodoned aiodoned 93474 517484 0 0 3 0x14200 syncer update 68492 40320 0 0 3 0x14200 cleaner cleaner 40276 469667 0 0 3 0x14200 reaper reaper 18122 68013 0 0 3 0x14200 pgdaemon pagedaemon 30977 481687 0 0 3 0x14200 bored crynlk 84997 430474 0 0 3 0x14200 bored crypto 55917 185393 0 0 3 0x40014200 acpi0 acpi0 815 375555 0 0 3 0x40014200 idle1 57486 277887 0 0 3 0x14200 bored softnet 84563 434945 0 0 3 0x14200 bored systqmp 50800 246618 0 0 3 0x14200 bored systq 8992 294473 0 0 3 0x40014200 bored softclock 87835 459446 0 0 3 0x40014200 idle0 1 201339 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper