* Re: [syzbot] [usb?] [media?] KASAN: use-after-free Read in em28xx_init_extension (2) [not found] <000000000000453f3d05db72fc7e@google.com> @ 2025-05-13 15:02 ` syzbot 2025-05-13 15:11 ` Alan Stern 0 siblings, 1 reply; 2+ messages in thread From: syzbot @ 2025-05-13 15:02 UTC (permalink / raw) To: gregkh, hdanton, linux-kernel, linux-media, linux-usb, mchehab, paskripkin, stern, syzkaller-bugs syzbot has bisected this issue to: commit a368ecde8a5055b627749b09c6218ef793043e47 Author: Alan Stern <stern@rowland.harvard.edu> Date: Thu Jun 27 19:56:18 2024 +0000 USB: core: Fix duplicate endpoint bug by clearing reserved bits in the descriptor bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12cf6cd4580000 start commit: cd802e7e5f1e Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11cf6cd4580000 console output: https://syzkaller.appspot.com/x/log.txt?x=16cf6cd4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=91c351a0f6229e67 dashboard link: https://syzkaller.appspot.com/bug?extid=99d6c66dbbc484f50e1c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=143a7768580000 Reported-by: syzbot+99d6c66dbbc484f50e1c@syzkaller.appspotmail.com Fixes: a368ecde8a50 ("USB: core: Fix duplicate endpoint bug by clearing reserved bits in the descriptor") For information about bisection process see: https://goo.gl/tpsmEJ#bisection ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [syzbot] [usb?] [media?] KASAN: use-after-free Read in em28xx_init_extension (2) 2025-05-13 15:02 ` [syzbot] [usb?] [media?] KASAN: use-after-free Read in em28xx_init_extension (2) syzbot @ 2025-05-13 15:11 ` Alan Stern 0 siblings, 0 replies; 2+ messages in thread From: Alan Stern @ 2025-05-13 15:11 UTC (permalink / raw) To: syzbot Cc: gregkh, hdanton, linux-kernel, linux-media, linux-usb, mchehab, paskripkin, syzkaller-bugs On Tue, May 13, 2025 at 08:02:01AM -0700, syzbot wrote: > syzbot has bisected this issue to: > > commit a368ecde8a5055b627749b09c6218ef793043e47 > Author: Alan Stern <stern@rowland.harvard.edu> > Date: Thu Jun 27 19:56:18 2024 +0000 > > USB: core: Fix duplicate endpoint bug by clearing reserved bits in the descriptor > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12cf6cd4580000 > start commit: cd802e7e5f1e Merge tag 'for-linus' of git://git.kernel.org.. > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=11cf6cd4580000 > console output: https://syzkaller.appspot.com/x/log.txt?x=16cf6cd4580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=91c351a0f6229e67 > dashboard link: https://syzkaller.appspot.com/bug?extid=99d6c66dbbc484f50e1c > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=143a7768580000 > > Reported-by: syzbot+99d6c66dbbc484f50e1c@syzkaller.appspotmail.com > Fixes: a368ecde8a50 ("USB: core: Fix duplicate endpoint bug by clearing reserved bits in the descriptor") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection Clearly a ridiculous claim. Maybe the bug fixed by that commit covered up the actual cause of this problem. Alan Stern ^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-05-13 15:02 ` [syzbot] [usb?] [media?] KASAN: use-after-free Read in em28xx_init_extension (2) syzbot
2025-05-13 15:11 ` Alan Stern
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