uvm_fault(0xfffffd807f00d108, 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(0xfffffd807f00d108, 0x8, 0, 1) -> e VOP_ACCESS(4d6a341856ac3348,d,ffff80002100bc38,2ee5b00df58) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 end trace frame: 0xffff8000210e7430, count: 0 ddb{1}> trace VOP_ACCESS(4d6a341856ac3348,d,ffff80002100bc38,2ee5b00df58) at VOP_ACCESS+0x4a sys/kern/vfs_vops.c:189 sys_unveil(c276bb18effd7af3,10,ffff80002100bc38) at sys_unveil+0x317 sys/kern/vfs_syscalls.c:925 syscall(f5b104860c8eb91) at syscall+0x5a0 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(f5b104860c8eb91) at syscall+0x5a0 sys/arch/amd64/amd64/trap.c:583 Xsyscall(6,0,8,0,2,2eb6c225010) at Xsyscall+0x128 end of kernel end trace frame: 0x2ee5b00dfe0, count: -4 ddb{1}> show registers rdi 0xffffffff813744ca VOP_ACCESS+0x3a rsi 0x8e rbp 0xffff8000210e6f10 rbx 0x2f rdx 0x8f rcx 0xffff800002b44000 rax 0xffff800002b44000 r8 0x40 r9 0xfffffd807f7c7840 r10 0xb02ece3cbe774c40 r11 0xa5ae7cf7ce0578fa r12 0x100 r13 0 r14 0xffff80002100bc38 r15 0xfffffd807f7c7840 rip 0xffffffff813744da VOP_ACCESS+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000210e6ec0 ss 0x10 VOP_ACCESS+0x4a: movq 0x8(%r13),%rax ddb{1}> show proc PROC (syz-executor1) pid=460565 stat=onproc flags process=10 proc=4000000 pri=76, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff80002100b788,0xffff80002100b2e8 process=0xffff800020fe5a50 user=0xffff8000210e2000, vmspace=0xfffffd807f00d108 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 25063 233139 57801 60929 2 0x10 syz-executor1 *25063 460565 57801 60929 7 0x4000010 syz-executor1 31450 486196 3210 0 7 0 syz-executor0 31450 8571 3210 0 3 0x4000080 fsleep syz-executor0 31450 60138 3210 0 3 0x4000080 ttyout syz-executor0 31450 63078 3210 0 3 0x4000080 ttyin syz-executor0 52386 154801 1 0 3 0x100083 ttyin getty 52149 246522 0 0 3 0x14200 bored sosplice 57801 19075 29520 0 3 0x82 nanosleep syz-executor1 3210 338477 29520 0 3 0x82 nanosleep syz-executor0 29520 497619 33845 0 3 0x82 thrsleep syz-fuzzer 29520 293770 33845 0 3 0x4000082 thrsleep syz-fuzzer 29520 270702 33845 0 3 0x4000082 thrsleep syz-fuzzer 29520 335210 33845 0 3 0x4000082 thrsleep syz-fuzzer 29520 316041 33845 0 3 0x4000082 thrsleep syz-fuzzer 29520 334467 33845 0 3 0x4000082 thrsleep syz-fuzzer 29520 30761 33845 0 3 0x4000082 kqread syz-fuzzer 29520 252267 33845 0 3 0x4000082 thrsleep syz-fuzzer 29520 480392 33845 0 3 0x4000082 thrsleep syz-fuzzer 29520 194045 33845 0 3 0x4000082 thrsleep syz-fuzzer 33845 286918 87001 0 3 0x10008a pause ksh 87001 55387 36000 0 3 0x92 select sshd 36000 261049 1 0 3 0x80 select sshd 64373 221264 8530 73 2 0x100090 syslogd 8530 351101 1 0 3 0x100082 netio syslogd 16378 122285 1 77 3 0x100090 poll dhclient 90173 208763 1 0 3 0x80 poll dhclient 6362 31197 0 0 2 0x14200 zerothread 77204 197440 0 0 3 0x14200 aiodoned aiodoned 21923 304634 0 0 3 0x14200 syncer update 65905 506706 0 0 3 0x14200 cleaner cleaner 62289 408558 0 0 3 0x14200 reaper reaper 89429 387357 0 0 3 0x14200 pgdaemon pagedaemon 51573 481313 0 0 3 0x14200 bored crynlk 85983 154789 0 0 3 0x14200 bored crypto 47254 265159 0 0 3 0x40014200 acpi0 acpi0 90697 145967 0 0 3 0x40014200 idle1 28354 42852 0 0 3 0x14200 bored softnet 80700 294887 0 0 3 0x14200 bored systqmp 38043 481492 0 0 3 0x14200 bored systq 16172 127004 0 0 3 0x40014200 bored softclock 54348 309217 0 0 3 0x40014200 idle0 1 373324 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper