uvm_fault(0xffffee806cf19200, 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-- 520953 81228 0 0x100002 0 1 sh
--db_more-- * 76865 57403 0 0 0x4000000 0K syz-executor
--db_more-- dovutimens(ffff80003bfb6d20,ffffee806cea41b8,ffff800034b9b6e0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691
--db_more-- sys_futimens(ffff80003bfb6d20,ffff800034b9b830,ffff800034b9b780) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767
syscall(ffff800034b9b830) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800034b9b830) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
--db_more-- end trace frame: 0x1c98f1a30c0, 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{0}> nes = 0
No such command
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: uvm_fault(0xffffee806cf19200, 0x98, 0, 1) -> e
ddb{0}> show kasan
No such command
ddb{0}> trace
dovutimens(ffff80003bfb6d20,ffffee806cea41b8,ffff800034b9b6e0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691
sys_futimens(ffff80003bfb6d20,ffff800034b9b830,ffff800034b9b780) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767
syscall(ffff800034b9b830) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800034b9b830) 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: 0x1c98f1a30c0, count: -4
ddb{0}> w registers
Symbol not found
ddb{0}> show proc
PROC (syz-executor) tid=76865 pid=57403 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=86, slppri=32, nice=20
--db_more-- wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
--db_more-- forw=0xffffffffffffffff, list=0xffff80003bfb6fb8,0xffff80003bfb7790
--db_more-- process=0xffff80002a381cf8 user=0xffff800034b96000, vmspace=0xffffee806cf19200
--db_more-- estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> how all locks
No such command
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11068 12102K 12367K 166960K 12732 0
pcb 17 15K 17K 166960K 261 0
--db_more-- rtable 216 10K 10K 166960K 502 0
--db_more-- pf 41 19K 38K 166960K 150 0
--db_more-- ifaddr 41 7K 8K 166960K 87 0
--db_more-- ifgroup 60 2K 2K 166960K 134 0
--db_more-- sysctl 4 1K 9K 166960K 11 0
counters 72 37K 37K 166960K 138 0
ioctlops 0 0K 4K 166960K 1648 0
iov 0 0K 28K 166960K 21 0
--db_more-- mount 1 1K 1K 166960K 1 0
--db_more-- log 0 0K 0K 166960K 4 0
--db_more-- vnodes 1332 84K 84K 166960K 1783 0
--db_more-- UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 7 0
VM map 2 1K 1K 166960K 2 0
--db_more-- sem 12 0K 1K 166960K 27 0
--db_more-- dirhash 15 2K 2K 166960K 18 0
--db_more-- ACPI 1734 201K 291K 166960K 11964 0
--db_more-- file desc 16 57K 260K 166960K 558 0
--db_more-- sigio 0 0K 0K 166960K 2 0
--db_more-- proc 71 115K 164K 166960K 665 0
--db_more-- subproc 72 4K 4K 166960K 99 0
--db_more-- NFS srvsock 1 0K 0K 166960K 1 0
--db_more-- ddb{0}> hine ddbcpu 0
No such command
ddb{0}> trace
dovutimens(ffff80003bfb6d20,ffffee806cea41b8,ffff800034b9b6e0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691
sys_futimens(ffff80003bfb6d20,ffff800034b9b830,ffff800034b9b780) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767
syscall(ffff800034b9b830) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800034b9b830) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
--db_more--