f2fs: fix infinite loop in __insert_extent_tree()

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[ Upstream commit 23361bd549 ]

When we get wrong extent info data, and look up extent_node in rb tree,
it will cause infinite loop (CONFIG_F2FS_CHECK_FS=n). Avoiding this by
return NULL and print some kernel messages in that case.

Signed-off-by: wangzijie <wangzijie1@honor.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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wangzijie 2025-09-17 10:36:22 +08:00 • committed by Greg Kroah-Hartman

parent 9484a8a085

commit f4c31adcb2

1 changed files with 6 additions and 0 deletions

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fs/f2fs/extent_cache.c

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