Messages in this thread | | | Subject | Re: ext4 iomap SEEK broken [was: [GIT PULL] ext4 updates for 4.15] | From | Jiri Slaby <> | Date | Mon, 12 Feb 2018 13:14:07 +0100 |
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On 02/12/2018, 11:02 AM, Jiri Slaby wrote: > Given this happens only on 32bit kernel, I assume some 32bit overflow. > But I am unable to see it (yet).
Just to add, a diff of strace in good and bad kernels: @@ -655,14 +655,4 @@ _llseek(3, 4275568640, [4286054400], SEEK_DATA) = 0 _llseek(3, 4286054400, [4288675840], SEEK_HOLE) = 0 _llseek(3, 4288675840, [4299161600], SEEK_DATA) = 0 -_llseek(3, 4299161600, [4301783040], SEEK_HOLE) = 0 +_llseek(3, 4299161600, [4299161600], SEEK_HOLE) = 2621440
llseek returns a very invalid value when it comes to 0x100400000.
regards, -- js suse labs
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