linux-ext4 - [RFCv1 60/72] e2fsck: reset @inodes_to

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Message-Id: <89bc200265e9aaa5a4d610f0fd18fc7acd934dec.1667822612.git.ritesh.list@gmail.com>
Date:   Mon,  7 Nov 2022 17:51:48 +0530
From:   "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
To:     Theodore Ts'o <tytso@....edu>
Cc:     linux-ext4@...r.kernel.org,
        Harshad Shirwadkar <harshadshirwadkar@...il.com>,
        Wang Shilong <wshilong@....com>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Li Xi <lixi@....com>, Ritesh Harjani <ritesh.list@...il.com>
Subject: [RFCv1 60/72] e2fsck: reset @inodes_to_rebuild if restart

From: Wang Shilong <wshilong@....com>

Verify multiple thread on a corrupted images hit following bug:

pass1.c:2902: e2fsck_pass1_thread_prepare:
Assertion `global_ctx->inodes_to_rebuild == NULL' failed.
Signal (6) SIGABRT si_code=SI_TKILL
./e2fsck/e2fsck[0x43829e]
/lib64/libpthread.so.0(+0x14b20)[0x7f3b45135b20]
/lib64/libc.so.6(gsignal+0x145)[0x7f3b44f2c625]
/lib64/libc.so.6(abort+0x12b)[0x7f3b44f158d9]
/lib64/libc.so.6(+0x257a9)[0x7f3b44f157a9]
/lib64/libc.so.6(+0x34a66)[0x7f3b44f24a66]
./e2fsck/e2fsck(e2fsck_pass1+0x1662)[0x423572]
./e2fsck/e2fsck(e2fsck_run+0x5a)[0x41611a]
./e2fsck/e2fsck(main+0x1608)[0x4121b8]
/lib64/libc.so.6(__libc_start_main+0xf3)[0x7f3b44f171a3]
./e2fsck/e2fsck(_start+0x2e)[0x413dde]

@inodes_to_rebuild could be not NULL after we restart pass1

Signed-off-by: Wang Shilong <wshilong@....com>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@...il.com>
---
 e2fsck/e2fsck.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/e2fsck/e2fsck.c b/e2fsck/e2fsck.c
index a5150dab..53af8905 100644
--- a/e2fsck/e2fsck.c
+++ b/e2fsck/e2fsck.c
@@ -79,6 +79,10 @@ errcode_t e2fsck_reset_context(e2fsck_t ctx)
 		ext2fs_free_block_bitmap(ctx->inode_casefold_map);
 		ctx->inode_casefold_map = 0;
 	}
+	if (ctx->inodes_to_rebuild) {
+		ext2fs_free_inode_bitmap(ctx->inodes_to_rebuild);
+		ctx->inodes_to_rebuild = 0;
+	}
 	if (ctx->inode_link_info) {
 		ext2fs_free_icount(ctx->inode_link_info);
 		ctx->inode_link_info = 0;
-- 
2.37.3