loop3: detected capacity change from 0 to 4096
==================================================================
BUG: KASAN: slab-use-after-free in ntfs_iget5+0x3233/0x3960 fs/ntfs3/inode.c:533
Read of size 8 at addr ffff888086d04840 by task syz-executor.3/27544
CPU: 1 PID: 27544 Comm: syz-executor.3 Not tainted 6.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
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
ntfs_iget5+0x3233/0x3960 fs/ntfs3/inode.c:533
ntfs_fill_super+0x261d/0x4330 fs/ntfs3/super.c:1213
get_tree_bdev+0x3b5/0x650 fs/super.c:1577
vfs_get_tree+0x8c/0x370 fs/super.c:1750
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: 0033:0x7f812ae7e1ea
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:00007f812baefee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f812baeff80 RCX: 00007f812ae7e1ea
RDX: 0000000020000040 RSI: 0000000020000200 RDI: 00007f812baeff40
RBP: 0000000020000040 R08: 00007f812baeff80 R09: 000000000000c040
R10: 000000000000c040 R11: 0000000000000202 R12: 0000000020000200
R13: 00007f812baeff40 R14: 000000000001f75c R15: 0000000020000080
Allocated by task 27377:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
__kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook mm/slab.h:762 [inline]
slab_alloc_node mm/slub.c:3478 [inline]
slab_alloc mm/slub.c:3486 [inline]
__kmem_cache_alloc_lru mm/slub.c:3493 [inline]
kmem_cache_alloc_lru+0x21a/0x630 mm/slub.c:3509
alloc_inode_sb include/linux/fs.h:2909 [inline]
reiserfs_alloc_inode+0x26/0xb0 fs/reiserfs/super.c:642
alloc_inode+0x5d/0x220 fs/inode.c:259
iget5_locked fs/inode.c:1269 [inline]
iget5_locked+0x63/0xe0 fs/inode.c:1262
reiserfs_fill_super+0x10e7/0x3150 fs/reiserfs/super.c:2053
mount_bdev+0x1f3/0x2e0 fs/super.c:1629
legacy_get_tree+0x109/0x220 fs/fs_context.c:638
vfs_get_tree+0x8c/0x370 fs/super.c:1750
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
Freed by task 27506:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:164 [inline]
slab_free_hook mm/slub.c:1800 [inline]
slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826
slab_free mm/slub.c:3809 [inline]
kmem_cache_free+0xf0/0x480 mm/slub.c:3831
i_callback+0x43/0x70 fs/inode.c:248
rcu_do_batch kernel/rcu/tree.c:2139 [inline]
rcu_core+0x7fb/0x1bb0 kernel/rcu/tree.c:2403
__do_softirq+0x218/0x965 kernel/softirq.c:553
Last potentially related work creation:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
__kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
__call_rcu_common.constprop.0+0x9a/0x790 kernel/rcu/tree.c:2653
destroy_inode+0x129/0x1b0 fs/inode.c:314
dispose_list+0x117/0x1e0 fs/inode.c:697
evict_inodes+0x34f/0x450 fs/inode.c:747
generic_shutdown_super+0xb5/0x3c0 fs/super.c:672
kill_block_super+0x3b/0x70 fs/super.c:1646
deactivate_locked_super+0x9a/0x170 fs/super.c:481
deactivate_super+0xde/0x100 fs/super.c:514
cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254
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:285 [inline]
syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Second to last potentially related work creation:
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
__kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
__call_rcu_common.constprop.0+0x9a/0x790 kernel/rcu/tree.c:2653
destroy_inode+0x129/0x1b0 fs/inode.c:314
dispose_list+0x117/0x1e0 fs/inode.c:697
evict_inodes+0x34f/0x450 fs/inode.c:747
generic_shutdown_super+0xb5/0x3c0 fs/super.c:672
kill_block_super+0x3b/0x70 fs/super.c:1646
deactivate_locked_super+0x9a/0x170 fs/super.c:481
deactivate_super+0xde/0x100 fs/super.c:514
cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254
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:285 [inline]
syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
The buggy address belongs to the object at ffff888086d04240
which belongs to the cache reiser_inode_cache of size 1568
The buggy address is located 1536 bytes inside of
freed 1568-byte region [ffff888086d04240, ffff888086d04860)
The buggy address belongs to the physical page:
page:ffffea00021b4000 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888086d05cc0 pfn:0x86d00
head:ffffea00021b4000 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88801da87701
flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff888142ea53c0 ffffea000229fc00 0000000000000002
raw: ffff888086d05cc0 000000008013000b 00000001ffffffff ffff88801da87701
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d20d0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 9223, tgid 9218 (syz-executor.0), ts 367541575165, free_ts 365666888303
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536
prep_new_page mm/page_alloc.c:1543 [inline]
get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170
__alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426
alloc_pages+0x1a9/0x270 mm/mempolicy.c:2298
alloc_slab_page mm/slub.c:1870 [inline]
allocate_slab+0x251/0x380 mm/slub.c:2017
new_slab mm/slub.c:2070 [inline]
___slab_alloc+0x8be/0x1570 mm/slub.c:3223
__slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3322
__slab_alloc_node mm/slub.c:3375 [inline]
slab_alloc_node mm/slub.c:3468 [inline]
slab_alloc mm/slub.c:3486 [inline]
__kmem_cache_alloc_lru mm/slub.c:3493 [inline]
kmem_cache_alloc_lru+0x4e4/0x630 mm/slub.c:3509
alloc_inode_sb include/linux/fs.h:2909 [inline]
reiserfs_alloc_inode+0x26/0xb0 fs/reiserfs/super.c:642
alloc_inode+0x5d/0x220 fs/inode.c:259
new_inode_pseudo fs/inode.c:1004 [inline]
new_inode+0x22/0x260 fs/inode.c:1030
reiserfs_mkdir+0x214/0x9a0 fs/reiserfs/namei.c:813
xattr_mkdir fs/reiserfs/xattr.c:77 [inline]
create_privroot fs/reiserfs/xattr.c:891 [inline]
reiserfs_xattr_init+0x57f/0xbb0 fs/reiserfs/xattr.c:1007
reiserfs_remount+0xb6e/0x1640 fs/reiserfs/super.c:1586
legacy_reconfigure+0x119/0x180 fs/fs_context.c:661
reconfigure_super+0x44f/0xb10 fs/super.c:1140
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1136 [inline]
free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
free_unref_page+0x33/0x3b0 mm/page_alloc.c:2405
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook mm/slab.h:762 [inline]
slab_alloc_node mm/slub.c:3478 [inline]
__kmem_cache_alloc_node+0x19b/0x350 mm/slub.c:3517
__do_kmalloc_node mm/slab_common.c:1022 [inline]
__kmalloc+0x4f/0x100 mm/slab_common.c:1036
kmalloc include/linux/slab.h:603 [inline]
tomoyo_realpath_from_path+0xb9/0x710 security/tomoyo/realpath.c:251
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x243/0x590 security/tomoyo/file.c:723
security_file_ioctl+0x72/0xb0 security/security.c:2647
__do_sys_ioctl fs/ioctl.c:865 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0xbb/0x210 fs/ioctl.c:857
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
Memory state around the buggy address:
ffff888086d04700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888086d04780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888086d04800: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
^
ffff888086d04880: fc fc fc fc fc fc fc fc fc fc fc fc 00 00 00 00
ffff888086d04900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 27544 Comm: syz-executor.3 Tainted: G B 6.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:ntfs_iget5+0x19d/0x3960 fs/ntfs3/inode.c:533
Code: 48 c1 ea 03 80 3c 02 00 0f 85 ad 30 00 00 49 8b 9f d0 fd ff ff 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e ff 07 00 00 0f b7 5b 10 44 89
RSP: 0018:ffffc9000ac3f930 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000a891000
RDX: 0000000000000002 RSI: ffffffff81dd7197 RDI: 0000000000000010
RBP: ffffc9000ac3fac0 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000019ca60 R12: 1ffff92001587f3e
R13: 0000000000000002 R14: ffff8880835a8039 R15: ffff888086d04a70
FS: 00007f812baf06c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002380 CR3: 000000007d556000 CR4: 0000000000350ef0
Call Trace:
ntfs_fill_super+0x261d/0x4330 fs/ntfs3/super.c:1213
get_tree_bdev+0x3b5/0x650 fs/super.c:1577
vfs_get_tree+0x8c/0x370 fs/super.c:1750
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: 0033:0x7f812ae7e1ea
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:00007f812baefee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f812baeff80 RCX: 00007f812ae7e1ea
RDX: 0000000020000040 RSI: 0000000020000200 RDI: 00007f812baeff40
RBP: 0000000020000040 R08: 00007f812baeff80 R09: 000000000000c040
R10: 000000000000c040 R11: 0000000000000202 R12: 0000000020000200
R13: 00007f812baeff40 R14: 000000000001f75c R15: 0000000020000080
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ntfs_iget5+0x19d/0x3960 fs/ntfs3/inode.c:533
Code: 48 c1 ea 03 80 3c 02 00 0f 85 ad 30 00 00 49 8b 9f d0 fd ff ff 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e ff 07 00 00 0f b7 5b 10 44 89
RSP: 0018:ffffc9000ac3f930 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000a891000
RDX: 0000000000000002 RSI: ffffffff81dd7197 RDI: 0000000000000010
RBP: ffffc9000ac3fac0 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000019ca60 R12: 1ffff92001587f3e
R13: 0000000000000002 R14: ffff8880835a8039 R15: ffff888086d04a70
FS: 00007f812baf06c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007eff81604000 CR3: 000000007d556000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
0: 48 c1 ea 03 shr $0x3,%rdx
4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
8: 0f 85 ad 30 00 00 jne 0x30bb
e: 49 8b 9f d0 fd ff ff mov -0x230(%r15),%rbx
15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1c: fc ff df
1f: 48 8d 7b 10 lea 0x10(%rbx),%rdi
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 74 08 je 0x3a
32: 3c 01 cmp $0x1,%al
34: 0f 8e ff 07 00 00 jle 0x839
3a: 0f b7 5b 10 movzwl 0x10(%rbx),%ebx
3e: 44 rex.R
3f: 89 .byte 0x89