kernel panic at kern/src/ns/fs_file.c:431, from core 1: assertion failed: buf == buf_end Stack Backtrace on Core 1: #01 [<0xffffffffc200a33c>] in backtrace at src/kdebug.c:229 #02 [<0xffffffffc2009acd>] in _panic at src/init.c:267 #03 [<0xffffffffc203915b>] in fs_file_write at src/ns/fs_file.c:431 #04 [<0xffffffffc20440d6>] in tree_chan_write at src/ns/tree_file.c:1014 #05 [<0xffffffffc2040371>] in rwrite at src/ns/sysfile.c:1124 #06 [<0xffffffffc204058b>] in syswrite at src/ns/sysfile.c:1142 #07 [<0xffffffffc2056951>] in sys_write at src/syscall.c:1704 #08 [<0xffffffffc2059f09>] in syscall at src/syscall.c:2465 #09 [<0xffffffffc205a0d4>] in run_local_syscall at src/syscall.c:2500 #10 [<0xffffffffc205a609>] in prep_syscalls at src/syscall.c:2520 #11 [<0xffffffffc20abc0a>] in sysenter_callwrapper at arch/x86/trap.c:854 ROS(Core 1)> kernel panic at kern/drivers/dev/mnt.c:1120, from core 0: rpc tags Stack Backtrace on Core 0: #01 [<0xffffffffc200a33c>] in backtrace at src/kdebug.c:229 #02 [<0xffffffffc2009acd>] in _panic at src/init.c:267 #03 [<0xffffffffc207eaca>] in mntralloc at drivers/dev/mnt.c:1120 #04 [<0xffffffffc207eb73>] in mntflushalloc at drivers/dev/mnt.c:1047 #05 [<0xffffffffc207f008>] in mountio at drivers/dev/mnt.c:845 #06 [<0xffffffffc207f105>] in mountrpc at drivers/dev/mnt.c:778 #07 [<0xffffffffc207fc28>] in mntopencreate at drivers/dev/mnt.c:563 #08 [<0xffffffffc207fd88>] in mntopen at drivers/dev/mnt.c:580 #09 [<0xffffffffc2033960>] in __namec_from at src/ns/chan.c:1233 #10 [<0xffffffffc203413f>] in namec at src/ns/chan.c:1517 #11 [<0xffffffffc20414b6>] in sysopenat at src/ns/sysfile.c:592 #12 [<0xffffffffc205934f>] in sys_openat at src/syscall.c:1724 #13 [<0xffffffffc2059f09>] in syscall at src/syscall.c:2465 #14 [<0xffffffffc205a0d4>] in run_local_syscall at src/syscall.c:2500 #15 [<0xffffffffc205a609>] in prep_syscalls at src/syscall.c:2520 #16 [<0xffffffffc20abc0a>] in sysenter_callwrapper at arch/x86/trap.c:854