syzbot

syz.0.162: attempt to access beyond end of device
loop0: rw=12288, sector=36024364612714496, nr_sectors = 8 limit=32768
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BUG: KMSAN: uninit-value in gfs2_metatype_check_i fs/gfs2/util.h:125 [inline]
BUG: KMSAN: uninit-value in gfs2_quota_init+0x219f/0x2730 fs/gfs2/quota.c:1430
 gfs2_metatype_check_i fs/gfs2/util.h:125 [inline]
 gfs2_quota_init+0x219f/0x2730 fs/gfs2/quota.c:1430
 gfs2_make_fs_rw+0x1d5/0x460 fs/gfs2/super.c:149
 gfs2_fill_super+0x3d31/0x3f50 fs/gfs2/ops_fstype.c:1280
 get_tree_bdev_flags+0x6e6/0x920 fs/super.c:1691
 get_tree_bdev+0x38/0x50 fs/super.c:1714
 gfs2_get_tree+0x57/0x350 fs/gfs2/ops_fstype.c:1337
 vfs_get_tree+0xb3/0x5c0 fs/super.c:1751
 fc_mount fs/namespace.c:1208 [inline]
 do_new_mount_fc fs/namespace.c:3651 [inline]
 do_new_mount+0x839/0x15f0 fs/namespace.c:3727
 path_mount+0x747/0x1fb0 fs/namespace.c:4037
 do_mount fs/namespace.c:4050 [inline]
 __do_sys_mount fs/namespace.c:4238 [inline]
 __se_sys_mount+0x6f7/0x7e0 fs/namespace.c:4215
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4215
 x64_sys_call+0x3604/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0xfa0 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:5206
 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2416
 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline]
 alloc_pages_noprof mm/mempolicy.c:2507 [inline]
 folio_alloc_noprof+0x109/0x360 mm/mempolicy.c:2517
 filemap_alloc_folio_noprof+0x9d/0x420 mm/filemap.c:1020
 __filemap_get_folio+0xb45/0x1930 mm/filemap.c:2012
 gfs2_getbuf+0x246/0xce0 fs/gfs2/meta_io.c:144
 gfs2_meta_ra+0x13c/0x720 fs/gfs2/meta_io.c:531
 gfs2_quota_init+0x759/0x2730 fs/gfs2/quota.c:1427
 gfs2_make_fs_rw+0x1d5/0x460 fs/gfs2/super.c:149
 gfs2_fill_super+0x3d31/0x3f50 fs/gfs2/ops_fstype.c:1280
 get_tree_bdev_flags+0x6e6/0x920 fs/super.c:1691
 get_tree_bdev+0x38/0x50 fs/super.c:1714
 gfs2_get_tree+0x57/0x350 fs/gfs2/ops_fstype.c:1337
 vfs_get_tree+0xb3/0x5c0 fs/super.c:1751
 fc_mount fs/namespace.c:1208 [inline]
 do_new_mount_fc fs/namespace.c:3651 [inline]
 do_new_mount+0x839/0x15f0 fs/namespace.c:3727
 path_mount+0x747/0x1fb0 fs/namespace.c:4037
 do_mount fs/namespace.c:4050 [inline]
 __do_sys_mount fs/namespace.c:4238 [inline]
 __se_sys_mount+0x6f7/0x7e0 fs/namespace.c:4215
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4215
 x64_sys_call+0x3604/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 6804 Comm: syz.0.162 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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