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LUN paths with snprintf() into > a 256-byte stack buffer, then will memcpy cur_len bytes from that > buffer. snprintf() returns the length the output would have had, which > can exceed the buffer size when the fabric WWN is long because iSCSI > IQN names can be up to 223 bytes. The check at the memcpy site only > guards the destination page write, not the source read, so memcpy() > will read past the stack buffer and copy adjacent stack contents to > the sysfs reader, which when CONFIG_FORTIFY_SOURCE is enabled, > fortify_panic() will be triggered. Applied to 7.1/scsi-staging, thanks! -- Martin K. Petersen