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SubjectRe: [syzbot] [media?] KASAN: slab-use-after-free Read in dvb_device_open
Date
On Sat, 18 Jan 2025 11:50:29 -0800
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 595523945be0 Merge tag 'devicetree-fixes-for-6.13-2' of gi..
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12183fc4580000

#syz test

--- x/drivers/media/dvb-core/dvb_frontend.c
+++ y/drivers/media/dvb-core/dvb_frontend.c
@@ -2887,6 +2887,7 @@ err3:
mutex_unlock(&fe->dvb->mdev_lock);
err2:
#endif
+ dvb_device_get(dvbdev);
dvb_generic_release(inode, file);
err1:
if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl)
--
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