uvm_fault(0xfffff7806ce7bb88, 0x98, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dovutimens+0x368: movl 0x98(%rax),%r12d --db_more--  TID PID UID PRFLAGS PFLAGS CPU COMMAND --db_more--  41983 46017 0 0 0 0 syz-executor --db_more-- *231664 26178 0 0 0x4000000 1K syz-executor --db_more-- dovutimens(ffff800045fe7250,fffff78066b6f1c8,ffff800035ba88c0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 --db_more-- sys_futimes(ffff800045fe7250,ffff800035ba8a10,ffff800035ba8960) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2733 syscall(ffff800035ba8a10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035ba8a10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel --db_more-- end trace frame: 0x8e402366bb0, count: 11 --db_more-- https://www.openbsd.org/ddb.html describes the minimum info required in bug --db_more-- reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> nes = 0 No such command ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffff7806ce7bb88, 0x98, 0, 1) -> e ddb{1}> show kasan No such command ddb{1}> trace dovutimens(ffff800045fe7250,fffff78066b6f1c8,ffff800035ba88c0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimes(ffff800045fe7250,ffff800035ba8a10,ffff800035ba8960) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2733 syscall(ffff800035ba8a10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035ba8a10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 --db_more-- Xsyscall() at Xsyscall+0x128 --db_more-- end of kernel --db_more-- end trace frame: 0x8e402366bb0, count: -4 ddb{1}> w registers Symbol not found ddb{1}>