On Sat, Oct 05, 2024 at 12:56:19AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: c02d24a5af66 Add linux-next specific files for 20241003 > git tree: linux-next > console+strace: https://syzkaller.appspot.com/x/log.txt?x=1404ab9f980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=94f9caf16c0af42d > dashboard link: https://syzkaller.appspot.com/bug?extid=80b36e60457a005e0530 > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10f633d0580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1204ab9f980000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/641e642c9432/disk-c02d24a5.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/98aaf20c29e0/vmlinux-c02d24a5.xz > kernel image: https://storage.googleapis.com/syzbot-assets/c23099f2d86b/bzImage-c02d24a5.xz > > The issue was bisected to: > > commit d0a38fad51cc70ab3dd3c59b54d8079ac19220b9 > Author: Feng Tang <feng.tang@xxxxxxxxx> > Date: Wed Sep 11 06:45:34 2024 +0000 > > mm/slub: Improve redzone check and zeroing for krealloc() Thanks for the report! Marco Elver also reported similar issue [1]. We agreed to revert the patch and work on a new version, and Vlastimil did zapped the patchset from his 'for-next' branch. I just rechecked and seems the pachset also sits on another branch 'for-6.13/fixes' of slab tree. Vlastimil, pls help to zap it from that branch also, thanks! [1]. https://lore.kernel.org/all/CANpmjNM5XjwwSc8WrDE9=FGmSScftYrbsvC+db+82GaMPiQqvQ@xxxxxxxxxxxxxx/ - Feng
