loop3: detected capacity change from 0 to 4096
ntfs3: loop3: Different NTFS sector size (2048) and media sector size (512).
ntfs3: loop3: RAW NTFS volume: Filesystem size 8192.00 Gb > volume size 0.00 Gb. Mount in read-only.
ntfs3: loop3: NTFS 8192.00 Gb is too big to use 32 bits per cluster.
==================================================================
BUG: KASAN: use-after-free in memcmp+0x172/0x1c0 lib/string.c:681
Read of size 8 at addr ffff888045e36002 by task syz-executor.3/6232
CPU: 1 PID: 6232 Comm: syz-executor.3 Not tainted 6.5.0-rc3-syzkaller-00123-g57012c57536f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:364 [inline]
print_report+0xc4/0x620 mm/kasan/report.c:475
kasan_report+0xda/0x110 mm/kasan/report.c:588
memcmp+0x172/0x1c0 lib/string.c:681
memcmp include/linux/fortify-string.h:728 [inline]
ntfs_init_from_boot fs/ntfs3/super.c:860 [inline]
ntfs_fill_super+0x6e0/0x43b0 fs/ntfs3/super.c:1141
get_tree_bdev+0x43e/0x7d0 fs/super.c:1318
vfs_get_tree+0x88/0x350 fs/super.c:1519
do_new_mount fs/namespace.c:3335 [inline]
path_mount+0x1492/0x1ed0 fs/namespace.c:3662
do_mount fs/namespace.c:3675 [inline]
__do_sys_mount fs/namespace.c:3884 [inline]
__se_sys_mount fs/namespace.c:3861 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:3861
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9ecee7e22a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9ecd9fdee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9ecd9fdf80 RCX: 00007f9ecee7e22a
RDX: 0000000020000180 RSI: 0000000020000000 RDI: 00007f9ecd9fdf40
RBP: 0000000020000180 R08: 00007f9ecd9fdf80 R09: 0000000000000800
R10: 0000000000000800 R11: 0000000000000202 R12: 0000000020000000
R13: 00007f9ecd9fdf40 R14: 000000000001f43b R15: 0000000020000100
The buggy address belongs to the physical page:
page:ffffea0001178d80 refcount:0 mapcount:-128 mapping:0000000000000000 index:0x1 pfn:0x45e36
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffff7f(buddy)
raw: 00fff00000000000 ffffea0001143408 ffffea0001158408 0000000000000000
raw: 0000000000000001 0000000000000001 00000000ffffff7f 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 6204, tgid 6203 (syz-executor.5), ts 129460839415, free_ts 130094983915
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x2d2/0x350 mm/page_alloc.c:1570
prep_new_page mm/page_alloc.c:1577 [inline]
get_page_from_freelist+0x10a9/0x31e0 mm/page_alloc.c:3221
__alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4477
__folio_alloc+0x16/0x40 mm/page_alloc.c:4509
vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2240
shmem_alloc_folio+0xb5/0x170 mm/shmem.c:1579
shmem_alloc_and_acct_folio+0x168/0x5e0 mm/shmem.c:1603
shmem_get_folio_gfp+0xce7/0x1b60 mm/shmem.c:1948
shmem_get_folio mm/shmem.c:2079 [inline]
shmem_write_begin+0x15c/0x390 mm/shmem.c:2573
generic_perform_write+0x278/0x600 mm/filemap.c:3923
__generic_file_write_iter+0x1f9/0x240 mm/filemap.c:4018
generic_file_write_iter+0xe3/0x350 mm/filemap.c:4044
call_write_iter include/linux/fs.h:1871 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x650/0xe40 fs/read_write.c:584
ksys_write+0x12f/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1161 [inline]
free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348
free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2489
release_pages+0x32a/0x14e0 mm/swap.c:1042
__folio_batch_release+0x77/0xe0 mm/swap.c:1062
folio_batch_release include/linux/pagevec.h:83 [inline]
shmem_undo_range+0x5c0/0x1080 mm/shmem.c:954
shmem_truncate_range mm/shmem.c:1049 [inline]
shmem_evict_inode+0x331/0xb40 mm/shmem.c:1164
evict+0x2ed/0x6b0 fs/inode.c:665
iput_final fs/inode.c:1791 [inline]
iput.part.0+0x55e/0x7a0 fs/inode.c:1817
iput+0x5c/0x80 fs/inode.c:1807
dentry_unlink_inode+0x292/0x430 fs/dcache.c:401
__dentry_kill+0x3b8/0x640 fs/dcache.c:607
dentry_kill fs/dcache.c:733 [inline]
dput+0x8dd/0xfd0 fs/dcache.c:913
__fput+0x53c/0xac0 fs/file_table.c:392
task_work_run+0x14d/0x240 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
Memory state around the buggy address:
ffff888045e35f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff888045e35f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888045e36000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff888045e36080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888045e36100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in memcmp+0x1a3/0x1c0 lib/string.c:692
Read of size 1 at addr ffff888045e36002 by task syz-executor.3/6232
CPU: 0 PID: 6232 Comm: syz-executor.3 Tainted: G B 6.5.0-rc3-syzkaller-00123-g57012c57536f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:364 [inline]
print_report+0xc4/0x620 mm/kasan/report.c:475
kasan_report+0xda/0x110 mm/kasan/report.c:588
memcmp+0x1a3/0x1c0 lib/string.c:692
memcmp include/linux/fortify-string.h:728 [inline]
ntfs_init_from_boot fs/ntfs3/super.c:860 [inline]
ntfs_fill_super+0x6e0/0x43b0 fs/ntfs3/super.c:1141
get_tree_bdev+0x43e/0x7d0 fs/super.c:1318
vfs_get_tree+0x88/0x350 fs/super.c:1519
do_new_mount fs/namespace.c:3335 [inline]
path_mount+0x1492/0x1ed0 fs/namespace.c:3662
do_mount fs/namespace.c:3675 [inline]
__do_sys_mount fs/namespace.c:3884 [inline]
__se_sys_mount fs/namespace.c:3861 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:3861
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9ecee7e22a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9ecd9fdee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9ecd9fdf80 RCX: 00007f9ecee7e22a
RDX: 0000000020000180 RSI: 0000000020000000 RDI: 00007f9ecd9fdf40
RBP: 0000000020000180 R08: 00007f9ecd9fdf80 R09: 0000000000000800
R10: 0000000000000800 R11: 0000000000000202 R12: 0000000020000000
R13: 00007f9ecd9fdf40 R14: 000000000001f43b R15: 0000000020000100
The buggy address belongs to the physical page:
page:ffffea0001178d80 refcount:0 mapcount:-128 mapping:0000000000000000 index:0x1 pfn:0x45e36
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffff7f(buddy)
raw: 00fff00000000000 ffffea0001143408 ffffea0001158408 0000000000000000
raw: 0000000000000001 0000000000000001 00000000ffffff7f 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 6204, tgid 6203 (syz-executor.5), ts 129460839415, free_ts 130094983915
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x2d2/0x350 mm/page_alloc.c:1570
prep_new_page mm/page_alloc.c:1577 [inline]
get_page_from_freelist+0x10a9/0x31e0 mm/page_alloc.c:3221
__alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4477
__folio_alloc+0x16/0x40 mm/page_alloc.c:4509
vma_alloc_folio+0x156/0x890 mm/mempolicy.c:2240
shmem_alloc_folio+0xb5/0x170 mm/shmem.c:1579
shmem_alloc_and_acct_folio+0x168/0x5e0 mm/shmem.c:1603
shmem_get_folio_gfp+0xce7/0x1b60 mm/shmem.c:1948
shmem_get_folio mm/shmem.c:2079 [inline]
shmem_write_begin+0x15c/0x390 mm/shmem.c:2573
generic_perform_write+0x278/0x600 mm/filemap.c:3923
__generic_file_write_iter+0x1f9/0x240 mm/filemap.c:4018
generic_file_write_iter+0xe3/0x350 mm/filemap.c:4044
call_write_iter include/linux/fs.h:1871 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x650/0xe40 fs/read_write.c:584
ksys_write+0x12f/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1161 [inline]
free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348
free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2489
release_pages+0x32a/0x14e0 mm/swap.c:1042
__folio_batch_release+0x77/0xe0 mm/swap.c:1062
folio_batch_release include/linux/pagevec.h:83 [inline]
shmem_undo_range+0x5c0/0x1080 mm/shmem.c:954
shmem_truncate_range mm/shmem.c:1049 [inline]
shmem_evict_inode+0x331/0xb40 mm/shmem.c:1164
evict+0x2ed/0x6b0 fs/inode.c:665
iput_final fs/inode.c:1791 [inline]
iput.part.0+0x55e/0x7a0 fs/inode.c:1817
iput+0x5c/0x80 fs/inode.c:1807
dentry_unlink_inode+0x292/0x430 fs/dcache.c:401
__dentry_kill+0x3b8/0x640 fs/dcache.c:607
dentry_kill fs/dcache.c:733 [inline]
dput+0x8dd/0xfd0 fs/dcache.c:913
__fput+0x53c/0xac0 fs/file_table.c:392
task_work_run+0x14d/0x240 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
Memory state around the buggy address:
ffff888045e35f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff888045e35f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888045e36000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff888045e36080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888045e36100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
ntfs3: loop3: Alternative boot signature is not NTFS.