kernel panic at kern/src/ns/fs_file.c:431, from core 1: assertion failed: buf == buf_end Stack Backtrace on Core 1: #01 [<0xffffffffc200a38c>] in backtrace at src/kdebug.c:229 #02 [<0xffffffffc2009b25>] in _panic at src/init.c:267 #03 [<0xffffffffc203903b>] in fs_file_write at src/ns/fs_file.c:431 #04 [<0xffffffffc2044006>] in tree_chan_write at src/ns/tree_file.c:1014 #05 [<0xffffffffc2040275>] in rwrite at src/ns/sysfile.c:1124 #06 [<0xffffffffc204048b>] in syswrite at src/ns/sysfile.c:1142 #07 [<0xffffffffc2056981>] in sys_write at src/syscall.c:1704 #08 [<0xffffffffc205a019>] in syscall at src/syscall.c:2465 #09 [<0xffffffffc205a1f8>] in run_local_syscall at src/syscall.c:2500 #10 [<0xffffffffc205a739>] in prep_syscalls at src/syscall.c:2520 #11 [<0xffffffffc20abee2>] in sysenter_callwrapper at arch/x86/trap.c:854