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As Jungyeon reported in bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203211 - Overview When mounting the attached crafted image and making a new file, I got this error and the error messages keep repeating. The image is intentionally fuzzed from a normal f2fs image for testing and I run with option CONFIG_F2FS_CHECK_FS on. - Reproduces mkdir test mount -t f2fs tmp.img test cd test touch t - Messages [ 58.820451] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.821485] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.822530] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.823571] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.824616] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.825640] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.826663] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.827698] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.828719] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.829759] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.830783] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.831828] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.832869] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.833888] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.834945] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.835996] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.837028] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.838051] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.839072] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.840100] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.841147] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.842186] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.843214] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.844267] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.845282] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.846305] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT [ 58.847341] F2FS-fs (sdb): Inconsistent segment (1) type [1, 0] in SSA and SIT ... (repeating) During GC, if segment type stored in SSA and SIT is inconsistent, we just skip migrating current segment directly, since we need to know the exact type to decide the migration function we use. So in foreground GC, we will easily run into a infinite loop as we may select the same victim segment which has inconsistent type due to greedy policy. In order to end up this, we choose to shutdown filesystem. For backgrond GC, we need to do that as well, so that we can avoid latter potential infinite looped foreground GC. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
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| .. | ||
| acl.c | ||
| acl.h | ||
| checkpoint.c | ||
| data.c | ||
| debug.c | ||
| dir.c | ||
| extent_cache.c | ||
| f2fs.h | ||
| file.c | ||
| gc.c | ||
| gc.h | ||
| hash.c | ||
| inline.c | ||
| inode.c | ||
| Kconfig | ||
| Makefile | ||
| namei.c | ||
| node.c | ||
| node.h | ||
| recovery.c | ||
| segment.c | ||
| segment.h | ||
| shrinker.c | ||
| super.c | ||
| sysfs.c | ||
| trace.c | ||
| trace.h | ||
| xattr.c | ||
| xattr.h | ||