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authorJakob Unterwurzacher2018-07-15 11:39:07 +0200
committerJakob Unterwurzacher2018-07-15 11:39:19 +0200
commitbcca323cb778d3ab9bf3b16e041ede5e67b18ff8 (patch)
tree401ec7398ad2fc53e29853b342461560b1ac75ce /internal/nametransform/dirivcache
parent38f79a1abc2733b77c90cdf07b0643bd8819b968 (diff)
contentenc: reserve one extra block in pool plaintext buffers
File holes and -fsck can cause unaligned read accesses, which means we have to decrypt one extra plaintext block. xfstests generic/083 manage to crash -fsck like this: generic/083 2018/07/14 15:25:21 wrong len=266240, want=131072 panic: wrong len=266240, want=131072 goroutine 1 [running]: log.Panicf(0x67fc00, 0x15, 0xc4204fec90, 0x2, 0x2) /usr/local/go/src/log/log.go:333 +0xda github.com/rfjakob/gocryptfs/internal/contentenc.(*bPool).Put(0xc4200d4800, 0xc4202f2000, 0x21000, 0x41000) /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/contentenc/bpool.go:27 +0x15d github.com/rfjakob/gocryptfs/internal/fusefrontend.(*File).doRead(0xc4200b4500, 0xc42019e000, 0x0, 0x20000, 0x28400, 0x20000, 0xc42019e000, 0xc4204ff008, 0x435164, 0xc420000180) /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/fusefrontend/file.go:227 +0xba9 github.com/rfjakob/gocryptfs/internal/fusefrontend.(*File).Read(0xc4200b4500, 0xc42019e000, 0x20000, 0x20000, 0x28400, 0x0, 0x0, 0x0) /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/fusefrontend/file.go:246 +0x23e main.(*fsckObj).file(0xc420069320, 0xc42001a630, 0x21) /home/jakob/go/src/github.com/rfjakob/gocryptfs/fsck.go:126 +0x21f main.(*fsckObj).dir(0xc420069320, 0xc420014dc0, 0x1d) /home/jakob/go/src/github.com/rfjakob/gocryptfs/fsck.go:76 +0x387 main.(*fsckObj).dir(0xc420069320, 0xc42021dae0, 0x19) /home/jakob/go/src/github.com/rfjakob/gocryptfs/fsck.go:74 +0x347
Diffstat (limited to 'internal/nametransform/dirivcache')
0 files changed, 0 insertions, 0 deletions