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There have been several attempts to fix serious problems in the compat handling in megasas_mgmt_compat_ioctl_fw(), and it also uses the compat_alloc_user_space() function. Folding the compat handling into the regular ioctl function with in_compat_syscall() simplifies it a lot and avoids some of the remaining problems: - missing handling of unaligned pointers - overflowing the ioc->frame.raw array from invalid input - compat_alloc_user_space() Link: https://lore.kernel.org/r/20201030164450.1253641-3-arnd@kernel.org Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| .. | ||
| Kconfig.megaraid | ||
| Makefile | ||
| mbox_defs.h | ||
| mega_common.h | ||
| megaraid_ioctl.h | ||
| megaraid_mbox.c | ||
| megaraid_mbox.h | ||
| megaraid_mm.c | ||
| megaraid_mm.h | ||
| megaraid_sas_base.c | ||
| megaraid_sas_debugfs.c | ||
| megaraid_sas_fp.c | ||
| megaraid_sas_fusion.c | ||
| megaraid_sas_fusion.h | ||
| megaraid_sas.h | ||