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authorAlexander Wetzel <Alexander@wetzel-home.de>2024-03-20 22:30:32 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2024-03-25 15:41:07 -0400
commit27f58c04a8f438078583041468ec60597841284d (patch)
treeb577c903f5887be0875f9bc597ab4efaa96c18ee /fs/statfs.c
parentf02fe780f28db435671fcc7c0214556e253b5a46 (diff)
scsi: sg: Avoid sg device teardown race
sg_remove_sfp_usercontext() must not use sg_device_destroy() after calling scsi_device_put(). sg_device_destroy() is accessing the parent scsi_device request_queue which will already be set to NULL when the preceding call to scsi_device_put() removed the last reference to the parent scsi_device. The resulting NULL pointer exception will then crash the kernel. Link: https://lore.kernel.org/r/20240305150509.23896-1-Alexander@wetzel-home.de Fixes: db59133e9279 ("scsi: sg: fix blktrace debugfs entries leakage") Cc: stable@vger.kernel.org Signed-off-by: Alexander Wetzel <Alexander@wetzel-home.de> Link: https://lore.kernel.org/r/20240320213032.18221-1-Alexander@wetzel-home.de Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'fs/statfs.c')
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