loop5: detected capacity change from 0 to 512
==================================================================
BUG: KASAN: use-after-free in __ext4_iget+0x2ee/0x3f00 fs/ext4/inode.c:4672
Read of size 8 at addr ffff88816b027008 by task syz-executor.5/4160
CPU: 0 PID: 4160 Comm: syz-executor.5 Not tainted 5.15.131-syzkaller-00653-gea586874d2f9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
print_address_description+0x87/0x3b0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:427 [inline]
kasan_report+0x179/0x1c0 mm/kasan/report.c:444
__asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
__ext4_iget+0x2ee/0x3f00 fs/ext4/inode.c:4672
ext4_quota_enable fs/ext4/super.c:6366 [inline]
ext4_enable_quotas+0x556/0x980 fs/ext4/super.c:6402
ext4_fill_super+0x8b95/0x96e0 fs/ext4/super.c:4950
mount_bdev+0x282/0x3b0 fs/super.c:1387
ext4_mount+0x34/0x40 fs/ext4/super.c:6581
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1517
do_new_mount+0x28b/0xad0 fs/namespace.c:2994
path_mount+0x671/0x1070 fs/namespace.c:3324
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3522
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3522
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f03264391ea
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:00007f03251b9ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f03251b9f80 RCX: 00007f03264391ea
RDX: 00000000200000c0 RSI: 0000000020000500 RDI: 00007f03251b9f40
RBP: 00000000200000c0 R08: 00007f03251b9f80 R09: 0000000002018412
R10: 0000000002018412 R11: 0000000000000202 R12: 0000000020000500
R13: 00007f03251b9f40 R14: 000000000000053d R15: 0000000020000080
Allocated by task 27653:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:45 [inline]
set_alloc_info mm/kasan/common.c:433 [inline]
__kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:466
kasan_slab_alloc include/linux/kasan.h:217 [inline]
slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550
slab_alloc_node mm/slub.c:3240 [inline]
slab_alloc mm/slub.c:3248 [inline]
kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253
f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2776 [inline]
f2fs_alloc_inode+0x26/0x3f0 fs/f2fs/super.c:1373
alloc_inode fs/inode.c:236 [inline]
iget_locked+0x174/0x860 fs/inode.c:1244
f2fs_iget+0x55/0x4df0 fs/f2fs/inode.c:489
f2fs_fill_super+0x66d0/0x81a0 fs/f2fs/super.c:4304
mount_bdev+0x282/0x3b0 fs/super.c:1387
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4551
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1517
do_new_mount+0x28b/0xad0 fs/namespace.c:2994
path_mount+0x671/0x1070 fs/namespace.c:3324
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3522
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3522
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
Last potentially related work creation:
kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
__kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
__call_rcu kernel/rcu/tree.c:2994 [inline]
call_rcu+0x133/0x12a0 kernel/rcu/tree.c:3074
destroy_inode fs/inode.c:291 [inline]
evict+0x5df/0x630 fs/inode.c:602
iput_final fs/inode.c:1705 [inline]
iput+0x63b/0x7e0 fs/inode.c:1731
f2fs_put_super+0x632/0xc10 fs/f2fs/super.c:1609
generic_shutdown_super+0x157/0x2e0 fs/super.c:475
kill_block_super+0x7e/0xe0 fs/super.c:1414
kill_f2fs_super+0x2f9/0x3c0 fs/f2fs/super.c:4583
deactivate_locked_super+0xad/0x110 fs/super.c:335
deactivate_super+0xbe/0xf0 fs/super.c:366
cleanup_mnt+0x45c/0x510 fs/namespace.c:1143
__cleanup_mnt+0x19/0x20 fs/namespace.c:1150
task_work_run+0x129/0x190 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:175
exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
__syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x61/0xcb
Second to last potentially related work creation:
kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
__kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
__call_rcu kernel/rcu/tree.c:2994 [inline]
call_rcu+0x133/0x12a0 kernel/rcu/tree.c:3074
destroy_inode fs/inode.c:291 [inline]
evict+0x5df/0x630 fs/inode.c:602
dispose_list fs/inode.c:620 [inline]
evict_inodes+0x5db/0x660 fs/inode.c:670
generic_shutdown_super+0x9c/0x2e0 fs/super.c:454
kill_block_super+0x7e/0xe0 fs/super.c:1414
kill_f2fs_super+0x2f9/0x3c0 fs/f2fs/super.c:4583
deactivate_locked_super+0xad/0x110 fs/super.c:335
deactivate_super+0xbe/0xf0 fs/super.c:366
cleanup_mnt+0x45c/0x510 fs/namespace.c:1143
__cleanup_mnt+0x19/0x20 fs/namespace.c:1150
task_work_run+0x129/0x190 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:175
exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
__syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x61/0xcb
The buggy address belongs to the object at ffff88816b026ac8
which belongs to the cache f2fs_inode_cache of size 1480
The buggy address is located 1344 bytes inside of
1480-byte region [ffff88816b026ac8, ffff88816b027090)
The buggy address belongs to the page:
page:ffffea0005ac0800 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88816b025e38 pfn:0x16b020
head:ffffea0005ac0800 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 0000000100000001 ffff888104bb0300
raw: ffff88816b025e38 0000000080140003 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 13792, ts 577683306300, free_ts 574707053096
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2602
prep_new_page+0x1b/0x110 mm/page_alloc.c:2608
get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4482
__alloc_pages+0x206/0x5e0 mm/page_alloc.c:5773
allocate_slab mm/slub.c:1932 [inline]
new_slab+0x9a/0x4e0 mm/slub.c:1995
___slab_alloc+0x39e/0x830 mm/slub.c:3028
__slab_alloc+0x4a/0x90 mm/slub.c:3115
slab_alloc_node mm/slub.c:3206 [inline]
slab_alloc mm/slub.c:3248 [inline]
kmem_cache_alloc+0x134/0x200 mm/slub.c:3253
f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2776 [inline]
f2fs_alloc_inode+0x26/0x3f0 fs/f2fs/super.c:1373
alloc_inode fs/inode.c:236 [inline]
iget_locked+0x174/0x860 fs/inode.c:1244
f2fs_iget+0x55/0x4df0 fs/f2fs/inode.c:489
f2fs_fill_super+0x66d0/0x81a0 fs/f2fs/super.c:4304
mount_bdev+0x282/0x3b0 fs/super.c:1387
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4551
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1517
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1469 [inline]
free_pcp_prepare mm/page_alloc.c:1541 [inline]
free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3531
free_unref_page+0xe6/0x730 mm/page_alloc.c:3613
free_the_page mm/page_alloc.c:802 [inline]
__free_pages+0x61/0xf0 mm/page_alloc.c:5849
__free_slab+0xec/0x1d0 mm/slub.c:2020
free_slab mm/slub.c:2035 [inline]
discard_slab+0x29/0x40 mm/slub.c:2041
__slab_free+0x205/0x290 mm/slub.c:3424
do_slab_free mm/slub.c:3507 [inline]
___cache_free+0x109/0x120 mm/slub.c:3526
qlink_free+0x4d/0x90 mm/kasan/quarantine.c:157
qlist_free_all+0x44/0xb0 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x15a/0x180 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:443
kasan_slab_alloc include/linux/kasan.h:217 [inline]
slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550
slab_alloc_node mm/slub.c:3240 [inline]
slab_alloc mm/slub.c:3248 [inline]
kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253
anon_vma_alloc mm/rmap.c:93 [inline]
anon_vma_fork+0xf7/0x4e0 mm/rmap.c:359
dup_mmap kernel/fork.c:618 [inline]
dup_mm kernel/fork.c:1513 [inline]
copy_mm+0xa3a/0x13e0 kernel/fork.c:1565
copy_process+0x12bc/0x3260 kernel/fork.c:2256
Memory state around the buggy address:
ffff88816b026f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88816b026f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88816b027000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88816b027080: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88816b027100: fc fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs warning (device loop5): ext4_enable_quotas:6410: Failed to enable quota tracking (type=0, err=-13, ino=3). Please run e2fsck to fix.
EXT4-fs (loop5): mount failed
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4160 Comm: syz-executor.5 Tainted: G B 5.15.131-syzkaller-00653-gea586874d2f9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
dump_stack+0x15/0x17 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:52 [inline]
should_fail+0x3c6/0x510 lib/fault-inject.c:146
should_fail_usercopy+0x1a/0x20 lib/fault-inject-usercopy.c:37
_copy_to_user+0x20/0x90 lib/usercopy.c:36
copy_to_user include/linux/uaccess.h:200 [inline]
simple_read_from_buffer+0xc7/0x150 fs/libfs.c:741
proc_fail_nth_read+0x1a3/0x210 fs/proc/base.c:1427
vfs_read+0x27d/0xd40 fs/read_write.c:483
ksys_read+0x199/0x2c0 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f032643678c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 59 81 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 af 81 02 00 48
RSP: 002b:00007f03251ba0c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f0326556f80 RCX: 00007f032643678c
RDX: 000000000000000f RSI: 00007f03251ba130 RDI: 0000000000000003
RBP: 00007f03251ba120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007f0326556f80 R15: 00007ffd86d82208