In the Linux kernel, the following vulnerability has been resolved: exfat: fix missing shutdown check xfstests generic/730 test failed because after deleting the device that still had dirty data, the file could still be read without returning an error. The reason is the missing shutdown check in ->read_iter. I also noticed that shutdown checks were missing from ->write_iter, ->splice_read, and ->mmap. This commit adds shutdown checks to all of them.
https://git.kernel.org/stable/c/e41e33eb795cb9c1ead6ac627d8710546fac6e81
https://git.kernel.org/stable/c/539147585ca453db6e3d7a5cf3b9c9690513762d
https://git.kernel.org/stable/c/4a9595eb024b8319957c178be3cdeed613ac0795
https://git.kernel.org/stable/c/47e35366bc6fa3cf189a8305bce63992495f3efa