CVE-2023-52569
Vulnerability from cvelistv5
Published
2024-03-02 21:59
Modified
2024-11-04 14:48
Severity ?
Summary
btrfs: remove BUG() after failure to insert delayed dir index item
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2c58c3931ede7cd08cbecf1f1a4acaf0a04a41a9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/39c4a9522db0072570d602e9b365119e17fb9f4f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d10fd53393cc5de4b9cf1a4b8f9984f0a037aa51
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: remove BUG() after failure to insert delayed dir index item\n\nInstead of calling BUG() when we fail to insert a delayed dir index item\ninto the delayed node\u0027s tree, we can just release all the resources we\nhave allocated/acquired before and return the error to the caller. This is\nfine because all existing call chains undo anything they have done before\ncalling btrfs_insert_delayed_dir_index() or BUG_ON (when creating pending\nsnapshots in the transaction commit path).\n\nSo remove the BUG() call and do proper error handling.\n\nThis relates to a syzbot report linked below, but does not fix it because\nit only prevents hitting a BUG(), it does not fix the issue where somehow\nwe attempt to use twice the same index number for different index items."
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