gfs2: fsid=syz:syz.0: first mount done, others may mount
syz.0.18: 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+0x21b2/0x2800 fs/gfs2/quota.c:1430
 gfs2_metatype_check_i fs/gfs2/util.h:125 [inline]
 gfs2_quota_init+0x21b2/0x2800 fs/gfs2/quota.c:1430
 gfs2_make_fs_rw+0x4c7/0x6f0 fs/gfs2/super.c:159
 gfs2_fill_super+0x3cd9/0x3ee0 fs/gfs2/ops_fstype.c:1274
 get_tree_bdev_flags+0x6e3/0x920 fs/super.c:1636
 get_tree_bdev+0x38/0x50 fs/super.c:1659
 gfs2_get_tree+0x57/0x350 fs/gfs2/ops_fstype.c:1330
 vfs_get_tree+0xb0/0x5c0 fs/super.c:1759
 do_new_mount+0x738/0x1610 fs/namespace.c:3884
 path_mount+0x6db/0x1e90 fs/namespace.c:4211
 do_mount fs/namespace.c:4224 [inline]
 __do_sys_mount fs/namespace.c:4435 [inline]
 __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4412
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4412
 x64_sys_call+0xfa7/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:4993
 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2301
 alloc_frozen_pages_noprof mm/mempolicy.c:2372 [inline]
 alloc_pages_noprof mm/mempolicy.c:2392 [inline]
 folio_alloc_noprof+0x109/0x360 mm/mempolicy.c:2402
 filemap_alloc_folio_noprof+0x9d/0x420 mm/filemap.c:1007
 __filemap_get_folio+0xb45/0x1930 mm/filemap.c:1969
 gfs2_getbuf+0x21a/0xca0 fs/gfs2/meta_io.c:142
 gfs2_meta_ra+0x13c/0x720 fs/gfs2/meta_io.c:531
 gfs2_quota_init+0x759/0x2800 fs/gfs2/quota.c:1427
 gfs2_make_fs_rw+0x4c7/0x6f0 fs/gfs2/super.c:159
 gfs2_fill_super+0x3cd9/0x3ee0 fs/gfs2/ops_fstype.c:1274
 get_tree_bdev_flags+0x6e3/0x920 fs/super.c:1636
 get_tree_bdev+0x38/0x50 fs/super.c:1659
 gfs2_get_tree+0x57/0x350 fs/gfs2/ops_fstype.c:1330
 vfs_get_tree+0xb0/0x5c0 fs/super.c:1759
 do_new_mount+0x738/0x1610 fs/namespace.c:3884
 path_mount+0x6db/0x1e90 fs/namespace.c:4211
 do_mount fs/namespace.c:4224 [inline]
 __do_sys_mount fs/namespace.c:4435 [inline]
 __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4412
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4412
 x64_sys_call+0xfa7/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 6818 Comm: syz.0.18 Not tainted 6.15.0-rc4-syzkaller-gb6ea1680d0ac #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
=====================================================