Messages in this thread | | | Date | Tue, 26 Jan 2016 10:25:39 -0500 (EST) | From | Alan Stern <> | Subject | Re: UBSAN: Undefined behaviour in drivers/usb/core/devio.c:1517:25 |
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On Tue, 26 Jan 2016, Chris Bainbridge wrote:
> Booting 4.5.0-rc1 with new UBSAN checker enabled: > > [ 4.556968] ================================================================================ > [ 4.556972] UBSAN: Undefined behaviour in drivers/usb/core/devio.c:1517:25 > [ 4.556975] shift exponent -1 is negative
Does a left shift by a negative amount matter if the result isn't used?
Alan Stern
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