syzbot has found a reproducer for the following issue on: HEAD commit: eda666ff2276 kmsan: silence -Wmissing-prototypes warnings git tree: https://github.com/google/kmsan.git master console output: https://syzkaller.appspot.com/x/log.txt?x=17bbb96b480000 kernel config: https://syzkaller.appspot.com/x/.config?x=f27365aeb365b358 dashboard link: https://syzkaller.appspot.com/bug?extid=5ce571007a695806e949 compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project.git 610139d2d9ce6746b3c617fb3e2f7886272d26ff), GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ac6175480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15e00d23480000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/fc16035efde4/disk-eda666ff.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/084efc06a321/vmlinux-eda666ff.xz kernel image: https://storage.googleapis.com/syzbot-assets/35c07fcfcbf2/bzImage-eda666ff.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/0f9e3b43e8ac/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5ce571007a695806e949@xxxxxxxxxxxxxxxxxxxxxxxxx WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= hfs: keylen 9474 too large ===================================================== BUG: KMSAN: uninit-value in hfs_brec_find+0x671/0x9b0 fs/hfs/bfind.c:141 hfs_brec_find+0x671/0x9b0 fs/hfs/bfind.c:141 hfs_brec_read+0x3b/0x190 fs/hfs/bfind.c:165 hfs_cat_find_brec+0xfb/0x450 fs/hfs/catalog.c:194 hfs_fill_super+0x1f49/0x2400 fs/hfs/super.c:419 mount_bdev+0x508/0x840 fs/super.c:1359 hfs_mount+0x49/0x60 fs/hfs/super.c:456 legacy_get_tree+0x10c/0x280 fs/fs_context.c:610 vfs_get_tree+0xa1/0x500 fs/super.c:1489 do_new_mount+0x694/0x1580 fs/namespace.c:3145 path_mount+0x71a/0x1eb0 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount+0x734/0x840 fs/namespace.c:3674 __ia32_sys_mount+0xdf/0x140 fs/namespace.c:3674 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Local variable fd created at: hfs_fill_super+0x5e/0x2400 fs/hfs/super.c:381 mount_bdev+0x508/0x840 fs/super.c:1359 CPU: 0 PID: 4991 Comm: syz-executor151 Not tainted 6.2.0-rc6-syzkaller-80422-geda666ff2276 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 =====================================================
