gfs2: fsid=syz:syz.0: first mount done, others may mount syz.0.15: attempt to access beyond end of device loop0: rw=12288, sector=2251799813685248, nr_sectors = 8 limit=32768 ===================================================== BUG: KMSAN: uninit-value in gfs2_metatype_check_i fs/gfs2/util.h:125 [inline] BUG: KMSAN: uninit-value in gfs2_quota_init+0x22c4/0x2950 fs/gfs2/quota.c:1432 gfs2_metatype_check_i fs/gfs2/util.h:125 [inline] gfs2_quota_init+0x22c4/0x2950 fs/gfs2/quota.c:1432 gfs2_make_fs_rw+0x4cf/0x6a0 fs/gfs2/super.c:159 gfs2_fill_super+0x43f5/0x45a0 fs/gfs2/ops_fstype.c:1274 get_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636 get_tree_bdev+0x37/0x50 fs/super.c:1659 gfs2_get_tree+0x5c/0x340 fs/gfs2/ops_fstype.c:1330 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814 do_new_mount+0x71f/0x15e0 fs/namespace.c:3507 path_mount+0x742/0x1f10 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x722/0x810 fs/namespace.c:4034 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4034 x64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __alloc_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4774 alloc_pages_mpol_noprof+0x299/0x990 mm/mempolicy.c:2269 alloc_pages_noprof mm/mempolicy.c:2348 [inline] folio_alloc_noprof+0x1db/0x310 mm/mempolicy.c:2355 filemap_alloc_folio_noprof+0xa6/0x440 mm/filemap.c:1009 __filemap_get_folio+0xac4/0x1550 mm/filemap.c:1951 gfs2_getbuf+0x23f/0xcd0 fs/gfs2/meta_io.c:142 gfs2_meta_ra+0x17f/0x7b0 fs/gfs2/meta_io.c:532 gfs2_quota_init+0x78d/0x2950 fs/gfs2/quota.c:1429 gfs2_make_fs_rw+0x4cf/0x6a0 fs/gfs2/super.c:159 gfs2_fill_super+0x43f5/0x45a0 fs/gfs2/ops_fstype.c:1274 get_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636 get_tree_bdev+0x37/0x50 fs/super.c:1659 gfs2_get_tree+0x5c/0x340 fs/gfs2/ops_fstype.c:1330 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814 do_new_mount+0x71f/0x15e0 fs/namespace.c:3507 path_mount+0x742/0x1f10 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x722/0x810 fs/namespace.c:4034 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4034 x64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 6544 Comm: syz.0.15 Not tainted 6.13.0-rc2-syzkaller-g7cb1b4663150 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 =====================================================