Messages in this thread | | | From | Jia-Ju Bai <> | Subject | [BUG] fs: nfs: pnfs_nfs: a possible sleep-in-atomic-context bug in pnfs_generic_recover_commit_reqs() | Date | Mon, 13 Aug 2018 11:46:28 +0800 |
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The kernel may sleep with holding a spinlock.
The function call paths (from bottom to top) in Linux-4.16 are:
[FUNC] mutex_lock_nested fs/nfs/write.c, 1045: mutex_lock_nested in nfs_scan_commit_list fs/nfs/pnfs_nfs.c, 145: nfs_scan_commit_list in pnfs_generic_recover_commit_reqs fs/nfs/pnfs_nfs.c, 154: spin_lock in pnfs_generic_recover_commit_reqs
I do not find a good way to fix, so I only report. This is found by my static analysis tool (DSAC).
Thanks, Jia-Ju Bai
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