[Android 5.15] KASAN: use-after-free Read in __ext4_iget
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syzbot
Apr 1, 2025, 7:00:28 PM (9 days ago) Apr 1
to syzkaller-a...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 5e1b899f19c3 FROMGIT: f2fs: fix scheduling while atomic in..
git tree: android13-5.15-lts
console+strace: https://syzkaller.appspot.com/x/log.txt?x=13f737b0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=13938fba08c28a13
dashboard link: https://syzkaller.appspot.com/bug?extid=c26098f86bd66cd83749
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=109573e4580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11289998580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/910d2bd510f7/disk-5e1b899f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/0809dae6c799/vmlinux-5e1b899f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/e3eef0bfea39/bzImage-5e1b899f.xz
mounted in repro #1: https://storage.googleapis.com/syzbot-assets/c019c79b9e2d/mount_0.gz
fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=16289998580000)
mounted in repro #2: https://storage.googleapis.com/syzbot-assets/6c1c0f161eba/mount_1.gz
fsck result: OK (log: https://syzkaller.appspot.com/x/fsck.log?x=12085c3f980000)
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c26098...@syzkaller.appspotmail.com
loop0: detected capacity change from 0 to 1024
==================================================================
BUG: KASAN: use-after-free in check_igot_inode fs/ext4/inode.c:-1 [inline]
BUG: KASAN: use-after-free in __ext4_iget+0x2ee/0x3ef0 fs/ext4/inode.c:4683
Read of size 8 at addr ffff88812716a358 by task syz-executor215/547
CPU: 1 PID: 547 Comm: syz-executor215 Not tainted 5.15.178-syzkaller-00034-g5e1b899f19c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1c0 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
check_igot_inode fs/ext4/inode.c:-1 [inline]
__ext4_iget+0x2ee/0x3ef0 fs/ext4/inode.c:4683
ext4_quota_enable fs/ext4/super.c:6379 [inline]
ext4_enable_quotas+0x556/0x980 fs/ext4/super.c:6415
ext4_fill_super+0x8b95/0x96e0 fs/ext4/super.c:4951
mount_bdev+0x282/0x3b0 fs/super.c:1400
ext4_mount+0x34/0x40 fs/ext4/super.c:6594
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1530
do_new_mount+0x2ba/0xb30 fs/namespace.c:3012
path_mount+0x671/0x1070 fs/namespace.c:3342
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540
x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f19f2fce82a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc0f5a988 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffcc0f5a9e0 RCX: 00007f19f2fce82a
RDX: 0000200000000580 RSI: 00002000000005c0 RDI: 00007ffcc0f5a9e0
RBP: 00002000000005c0 R08: 00007ffcc0f5aa20 R09: 000000000000054a
R10: 0000000000000000 R11: 0000000000000202 R12: 0000200000000580
R13: 00007ffcc0f5aa20 R14: 0000000000000550 R15: 0000200000000600
</TASK>
Allocated by task 363:
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:3250 [inline]
kmem_cache_alloc+0xf5/0x250 mm/slub.c:3255
f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2802 [inline]
f2fs_alloc_inode+0x26/0x340 fs/f2fs/super.c:1406
alloc_inode fs/inode.c:261 [inline]
iget_locked+0x174/0x860 fs/inode.c:1308
f2fs_iget+0x55/0x4fe0 fs/f2fs/inode.c:512
f2fs_fill_super+0x4f0f/0x8190 fs/f2fs/super.c:4258
mount_bdev+0x282/0x3b0 fs/super.c:1400
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4618
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1530
do_new_mount+0x2ba/0xb30 fs/namespace.c:3012
path_mount+0x671/0x1070 fs/namespace.c:3342
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540
x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Freed by task 0:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
kasan_slab_free include/linux/kasan.h:193 [inline]
slab_free_hook mm/slub.c:1723 [inline]
slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
slab_free mm/slub.c:3521 [inline]
kmem_cache_free+0x115/0x330 mm/slub.c:3539
f2fs_free_inode+0x24/0x30 fs/f2fs/super.c:1550
i_callback+0x4b/0x70 fs/inode.c:250
rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2523
rcu_core+0x517/0x1020 kernel/rcu/tree.c:2763
rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565
__do_softirq kernel/softirq.c:603 [inline]
invoke_softirq kernel/softirq.c:425 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652
irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
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_common kernel/rcu/tree.c:3007 [inline]
call_rcu+0x123/0x10b0 kernel/rcu/tree.c:3125
destroy_inode fs/inode.c:316 [inline]
evict+0x87d/0x930 fs/inode.c:662
iput_final fs/inode.c:1769 [inline]
iput+0x63b/0x7e0 fs/inode.c:1795
f2fs_fill_super+0x6b2a/0x8190 fs/f2fs/super.c:4572
mount_bdev+0x282/0x3b0 fs/super.c:1400
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4618
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1530
do_new_mount+0x2ba/0xb30 fs/namespace.c:3012
path_mount+0x671/0x1070 fs/namespace.c:3342
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540
x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
The buggy address belongs to the object at ffff888127169e50
which belongs to the cache f2fs_inode_cache of size 1424
The buggy address is located 1288 bytes inside of
1424-byte region [ffff888127169e50, ffff88812716a3e0)
The buggy address belongs to the page:
page:ffffea00049c5a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x127168
head:ffffea00049c5a00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888107fb3e00
raw: 0000000000000000 0000000000150015 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 0xd2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_RECLAIMABLE), pid 359, ts 36089275798, free_ts 0
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2605
prep_new_page+0x1b/0x110 mm/page_alloc.c:2611
get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4485
__alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5780
alloc_slab_page mm/slub.c:-1 [inline]
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:3250 [inline]
kmem_cache_alloc+0x139/0x250 mm/slub.c:3255
f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2802 [inline]
f2fs_alloc_inode+0x26/0x340 fs/f2fs/super.c:1406
alloc_inode fs/inode.c:261 [inline]
iget_locked+0x174/0x860 fs/inode.c:1308
f2fs_iget+0x55/0x4fe0 fs/f2fs/inode.c:512
f2fs_fill_super+0x6783/0x8190 fs/f2fs/super.c:4377
mount_bdev+0x282/0x3b0 fs/super.c:1400
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4618
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1530
page_owner free stack trace missing
Memory state around the buggy address:
ffff88812716a200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88812716a280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88812716a300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88812716a380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
ffff88812716a400: fc fc fc fc fc fc fc fc fc fc fc fc 00 00 00 00
==================================================================
EXT4-fs warning (device loop0): ext4_enable_quotas:6423: Failed to enable quota tracking (type=0, err=-13, ino=3). Please run e2fsck to fix.
EXT4-fs (loop0): mount failed
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
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If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want syzbot to run the reproducer, reply with:
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If you attach or paste a git patch, syzbot will apply it before testing.
If you want to overwrite report's subsystems, reply with:
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If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 5e1b899f19c3 FROMGIT: f2fs: fix scheduling while atomic in..
git tree: android13-5.15-lts
console+strace: https://syzkaller.appspot.com/x/log.txt?x=13f737b0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=13938fba08c28a13
dashboard link: https://syzkaller.appspot.com/bug?extid=c26098f86bd66cd83749
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=109573e4580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11289998580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/910d2bd510f7/disk-5e1b899f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/0809dae6c799/vmlinux-5e1b899f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/e3eef0bfea39/bzImage-5e1b899f.xz
mounted in repro #1: https://storage.googleapis.com/syzbot-assets/c019c79b9e2d/mount_0.gz
fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=16289998580000)
mounted in repro #2: https://storage.googleapis.com/syzbot-assets/6c1c0f161eba/mount_1.gz
fsck result: OK (log: https://syzkaller.appspot.com/x/fsck.log?x=12085c3f980000)
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c26098...@syzkaller.appspotmail.com
loop0: detected capacity change from 0 to 1024
==================================================================
BUG: KASAN: use-after-free in check_igot_inode fs/ext4/inode.c:-1 [inline]
BUG: KASAN: use-after-free in __ext4_iget+0x2ee/0x3ef0 fs/ext4/inode.c:4683
Read of size 8 at addr ffff88812716a358 by task syz-executor215/547
CPU: 1 PID: 547 Comm: syz-executor215 Not tainted 5.15.178-syzkaller-00034-g5e1b899f19c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1c0 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
check_igot_inode fs/ext4/inode.c:-1 [inline]
__ext4_iget+0x2ee/0x3ef0 fs/ext4/inode.c:4683
ext4_quota_enable fs/ext4/super.c:6379 [inline]
ext4_enable_quotas+0x556/0x980 fs/ext4/super.c:6415
ext4_fill_super+0x8b95/0x96e0 fs/ext4/super.c:4951
mount_bdev+0x282/0x3b0 fs/super.c:1400
ext4_mount+0x34/0x40 fs/ext4/super.c:6594
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1530
do_new_mount+0x2ba/0xb30 fs/namespace.c:3012
path_mount+0x671/0x1070 fs/namespace.c:3342
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540
x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f19f2fce82a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc0f5a988 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffcc0f5a9e0 RCX: 00007f19f2fce82a
RDX: 0000200000000580 RSI: 00002000000005c0 RDI: 00007ffcc0f5a9e0
RBP: 00002000000005c0 R08: 00007ffcc0f5aa20 R09: 000000000000054a
R10: 0000000000000000 R11: 0000000000000202 R12: 0000200000000580
R13: 00007ffcc0f5aa20 R14: 0000000000000550 R15: 0000200000000600
</TASK>
Allocated by task 363:
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:3250 [inline]
kmem_cache_alloc+0xf5/0x250 mm/slub.c:3255
f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2802 [inline]
f2fs_alloc_inode+0x26/0x340 fs/f2fs/super.c:1406
alloc_inode fs/inode.c:261 [inline]
iget_locked+0x174/0x860 fs/inode.c:1308
f2fs_iget+0x55/0x4fe0 fs/f2fs/inode.c:512
f2fs_fill_super+0x4f0f/0x8190 fs/f2fs/super.c:4258
mount_bdev+0x282/0x3b0 fs/super.c:1400
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4618
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1530
do_new_mount+0x2ba/0xb30 fs/namespace.c:3012
path_mount+0x671/0x1070 fs/namespace.c:3342
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540
x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Freed by task 0:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
kasan_slab_free include/linux/kasan.h:193 [inline]
slab_free_hook mm/slub.c:1723 [inline]
slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
slab_free mm/slub.c:3521 [inline]
kmem_cache_free+0x115/0x330 mm/slub.c:3539
f2fs_free_inode+0x24/0x30 fs/f2fs/super.c:1550
i_callback+0x4b/0x70 fs/inode.c:250
rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2523
rcu_core+0x517/0x1020 kernel/rcu/tree.c:2763
rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565
__do_softirq kernel/softirq.c:603 [inline]
invoke_softirq kernel/softirq.c:425 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652
irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
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_common kernel/rcu/tree.c:3007 [inline]
call_rcu+0x123/0x10b0 kernel/rcu/tree.c:3125
destroy_inode fs/inode.c:316 [inline]
evict+0x87d/0x930 fs/inode.c:662
iput_final fs/inode.c:1769 [inline]
iput+0x63b/0x7e0 fs/inode.c:1795
f2fs_fill_super+0x6b2a/0x8190 fs/f2fs/super.c:4572
mount_bdev+0x282/0x3b0 fs/super.c:1400
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4618
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1530
do_new_mount+0x2ba/0xb30 fs/namespace.c:3012
path_mount+0x671/0x1070 fs/namespace.c:3342
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540
x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
The buggy address belongs to the object at ffff888127169e50
which belongs to the cache f2fs_inode_cache of size 1424
The buggy address is located 1288 bytes inside of
1424-byte region [ffff888127169e50, ffff88812716a3e0)
The buggy address belongs to the page:
page:ffffea00049c5a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x127168
head:ffffea00049c5a00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888107fb3e00
raw: 0000000000000000 0000000000150015 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 0xd2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_RECLAIMABLE), pid 359, ts 36089275798, free_ts 0
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2605
prep_new_page+0x1b/0x110 mm/page_alloc.c:2611
get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4485
__alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5780
alloc_slab_page mm/slub.c:-1 [inline]
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:3250 [inline]
kmem_cache_alloc+0x139/0x250 mm/slub.c:3255
f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2802 [inline]
f2fs_alloc_inode+0x26/0x340 fs/f2fs/super.c:1406
alloc_inode fs/inode.c:261 [inline]
iget_locked+0x174/0x860 fs/inode.c:1308
f2fs_iget+0x55/0x4fe0 fs/f2fs/inode.c:512
f2fs_fill_super+0x6783/0x8190 fs/f2fs/super.c:4377
mount_bdev+0x282/0x3b0 fs/super.c:1400
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4618
legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
vfs_get_tree+0x88/0x290 fs/super.c:1530
page_owner free stack trace missing
Memory state around the buggy address:
ffff88812716a200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88812716a280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88812716a300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88812716a380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
ffff88812716a400: fc fc fc fc fc fc fc fc fc fc fc fc 00 00 00 00
==================================================================
EXT4-fs warning (device loop0): ext4_enable_quotas:6423: Failed to enable quota tracking (type=0, err=-13, ino=3). Please run e2fsck to fix.
EXT4-fs (loop0): mount failed
---
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