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Groups > linux.kernel > #1318056
| From | Alan Stern <stern@rowland.harvard.edu> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: UBSAN: Undefined behaviour in drivers/usb/core/devio.c:1517:25 |
| Date | 2016-01-26 16:30 +0100 |
| Message-ID | <qVdJ9-5Zk-25@gated-at.bofh.it> (permalink) |
| References | <qV8T8-2E6-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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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UBSAN: Undefined behaviour in drivers/usb/core/devio.c:1517:25 Chris Bainbridge <chris.bainbridge@gmail.com> - 2016-01-26 11:20 +0100
Re: UBSAN: Undefined behaviour in drivers/usb/core/devio.c:1517:25 Alan Stern <stern@rowland.harvard.edu> - 2016-01-26 16:30 +0100
Re: UBSAN: Undefined behaviour in drivers/usb/core/devio.c:1517:25 Andrey Ryabinin <aryabinin@virtuozzo.com> - 2016-01-26 17:10 +0100
Re: UBSAN: Undefined behaviour in drivers/usb/core/devio.c:1517:25 Greg KH <gregkh@linuxfoundation.org> - 2016-01-26 17:50 +0100
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