umount: can't re[ 1794.229886][T19054] ---[ end trace a251936861d2daf2 ]--- mount /dev/root [ 1794.237107][T19054] ================================================================== read-only[ 1794.246187][T19054] BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] read-only[ 1794.246187][T19054] BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:188 [inline] read-only[ 1794.246187][T19054] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:454 The system is g[ 1794.317283][T19054] __kasan_report mm/kasan/report.c:431 [inline] The system is g[ 1794.317283][T19054] kasan_report+0xe7/0x140 mm/kasan/report.c:444 oing down NOW! Sent SIGTERM to[ 1794.415250][T19054] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 all processes Connection to 10.128.1.100 closed by remote host.