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SubjectRe: KASAN: slab-out-of-bounds Write in pipe_write
syzbot has bisected this bug to:

commit a194dfe6e6f6f7205eea850a420f2bc6a1541209
Author: David Howells <>
Date: Fri Sep 20 15:32:19 2019 +0000

pipe: Rearrange sequence in pipe_write() to preallocate slot

bisection log:
start commit: b94ae8ad Merge tag 'seccomp-v5.5-rc1' of git://git.kernel...
git tree: upstream
final crash:
console output:
kernel config:
dashboard link:
syz repro:
C reproducer:

Fixes: a194dfe6e6f6 ("pipe: Rearrange sequence in pipe_write() to
preallocate slot")

For information about bisection process see:

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