[v6.1] KASAN: use-after-free Write in nf_nat_setup_info (2)
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syzbot
Oct 29, 2024, 4:05:30 AM10/29/24
Hello,
syzbot found the following issue on:
HEAD commit: 7ec6f9fa3d97 Linux 6.1.114
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=12d76e40580000
kernel config: https://syzkaller.appspot.com/x/.config?x=c3430b5172170129
dashboard link: https://syzkaller.appspot.com/bug?extid=e501cd2c647c6837c80d
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/85855dd3567d/disk-7ec6f9fa.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2938cf086485/vmlinux-7ec6f9fa.xz
kernel image: https://storage.googleapis.com/syzbot-assets/708aae50ad2d/bzImage-7ec6f9fa.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]
==================================================================
BUG: KASAN: use-after-free in hlist_add_head_rcu include/linux/rculist.h:593 [inline]
BUG: KASAN: use-after-free in nf_nat_setup_info+0x1bb1/0x28d0 net/netfilter/nf_nat_core.c:633
Write of size 8 at addr ffff88807f06c8d8 by task ksoftirqd/0/15
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.1.114-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x15f/0x4f0 mm/kasan/report.c:395
kasan_report+0x136/0x160 mm/kasan/report.c:495
hlist_add_head_rcu include/linux/rculist.h:593 [inline]
nf_nat_setup_info+0x1bb1/0x28d0 net/netfilter/nf_nat_core.c:633
__nf_nat_alloc_null_binding net/netfilter/nf_nat_core.c:664 [inline]
nf_nat_alloc_null_binding net/netfilter/nf_nat_core.c:670 [inline]
nf_nat_inet_fn+0x9d1/0xce0 net/netfilter/nf_nat_core.c:759
nf_nat_ipv4_fn net/netfilter/nf_nat_proto.c:645 [inline]
nf_nat_ipv4_local_in+0x227/0x5a0 net/netfilter/nf_nat_proto.c:708
nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:614
nf_hook include/linux/netfilter.h:257 [inline]
NF_HOOK+0x29a/0x450 include/linux/netfilter.h:300
NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
__netif_receive_skb_one_core net/core/dev.c:5532 [inline]
__netif_receive_skb+0x1c6/0x530 net/core/dev.c:5646
process_backlog+0x381/0x760 net/core/dev.c:5974
__napi_poll+0xc7/0x470 net/core/dev.c:6541
napi_poll net/core/dev.c:6608 [inline]
net_rx_action+0x70f/0xeb0 net/core/dev.c:6722
handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
run_ksoftirqd+0xc6/0x120 kernel/softirq.c:938
smpboot_thread_fn+0x52c/0xa30 kernel/smpboot.c:164
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
Allocated by task 15:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383
kmalloc include/linux/slab.h:557 [inline]
kzalloc include/linux/slab.h:693 [inline]
nf_ct_tmpl_alloc+0x7a/0x220 net/netfilter/nf_conntrack_core.c:550
nft_ct_set_zone_eval+0x3b9/0x5c0 net/netfilter/nft_ct.c:270
expr_call_ops_eval net/netfilter/nf_tables_core.c:214 [inline]
nft_do_chain+0x4ee/0x1b70 net/netfilter/nf_tables_core.c:264
nft_do_chain_ipv4+0x1f7/0x310 net/netfilter/nft_chain_filter.c:23
nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:614
nf_hook include/linux/netfilter.h:257 [inline]
NF_HOOK+0x29a/0x450 include/linux/netfilter.h:300
__netif_receive_skb_one_core net/core/dev.c:5532 [inline]
__netif_receive_skb+0x1c6/0x530 net/core/dev.c:5646
process_backlog+0x381/0x760 net/core/dev.c:5974
__napi_poll+0xc7/0x470 net/core/dev.c:6541
napi_poll net/core/dev.c:6608 [inline]
net_rx_action+0x70f/0xeb0 net/core/dev.c:6722
handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
run_ksoftirqd+0xc6/0x120 kernel/softirq.c:938
smpboot_thread_fn+0x52c/0xa30 kernel/smpboot.c:164
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Freed by task 15:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
kasan_slab_free include/linux/kasan.h:177 [inline]
slab_free_hook mm/slub.c:1724 [inline]
slab_free_freelist_hook mm/slub.c:1750 [inline]
slab_free mm/slub.c:3661 [inline]
__kmem_cache_free+0x25c/0x3c0 mm/slub.c:3674
nf_conntrack_destroy+0x121/0x2c0 net/netfilter/core.c:703
nf_conntrack_put include/linux/netfilter/nf_conntrack_common.h:37 [inline]
skb_release_head_state+0x165/0x230 net/core/skbuff.c:846
skb_release_all net/core/skbuff.c:854 [inline]
__kfree_skb net/core/skbuff.c:870 [inline]
kfree_skb_reason+0x13d/0x390 net/core/skbuff.c:893
nf_hook_slow+0x173/0x1e0 net/netfilter/core.c:619
nf_hook include/linux/netfilter.h:257 [inline]
NF_HOOK+0x29a/0x450 include/linux/netfilter.h:300
NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
__netif_receive_skb_one_core net/core/dev.c:5532 [inline]
__netif_receive_skb+0x1c6/0x530 net/core/dev.c:5646
process_backlog+0x381/0x760 net/core/dev.c:5974
__napi_poll+0xc7/0x470 net/core/dev.c:6541
napi_poll net/core/dev.c:6608 [inline]
net_rx_action+0x70f/0xeb0 net/core/dev.c:6722
handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
run_ksoftirqd+0xc6/0x120 kernel/softirq.c:938
smpboot_thread_fn+0x52c/0xa30 kernel/smpboot.c:164
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
The buggy address belongs to the object at ffff88807f06c800
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 216 bytes inside of
512-byte region [ffff88807f06c800, ffff88807f06ca00)
The buggy address belongs to the physical page:
page:ffffea0001fc1b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807f06c400 pfn:0x7f06c
head:ffffea0001fc1b00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea00009ea208 ffffea00016e6a08 ffff888017c41c80
raw: ffff88807f06c400 000000000010000d 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3591, tgid 3591 (modprobe), ts 22703681572, free_ts 22701882226
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517
prep_new_page mm/page_alloc.c:2524 [inline]
get_page_from_freelist+0x322e/0x33b0 mm/page_alloc.c:4290
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5558
alloc_slab_page+0x6a/0x150 mm/slub.c:1794
allocate_slab mm/slub.c:1939 [inline]
new_slab+0x84/0x2d0 mm/slub.c:1992
___slab_alloc+0xc20/0x1270 mm/slub.c:3180
__slab_alloc mm/slub.c:3279 [inline]
slab_alloc_node mm/slub.c:3364 [inline]
__kmem_cache_alloc_node+0x19f/0x260 mm/slub.c:3437
__do_kmalloc_node mm/slab_common.c:935 [inline]
__kmalloc+0xa1/0x230 mm/slab_common.c:949
kmalloc include/linux/slab.h:562 [inline]
kzalloc include/linux/slab.h:693 [inline]
tomoyo_init_log+0x1b37/0x2040 security/tomoyo/audit.c:275
tomoyo_supervisor+0x396/0x12d0 security/tomoyo/common.c:2088
tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
tomoyo_path_permission+0x243/0x360 security/tomoyo/file.c:587
tomoyo_path_perm+0x478/0x710 security/tomoyo/file.c:838
security_inode_getattr+0xcf/0x120 security/security.c:1361
vfs_getattr+0x26/0x360 fs/stat.c:158
vfs_statx+0x194/0x4b0 fs/stat.c:233
vfs_fstatat fs/stat.c:267 [inline]
__do_sys_newfstatat fs/stat.c:437 [inline]
__se_sys_newfstatat fs/stat.c:431 [inline]
__x64_sys_newfstatat+0x151/0x1e0 fs/stat.c:431
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1444 [inline]
free_pcp_prepare mm/page_alloc.c:1494 [inline]
free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464
__stack_depot_save+0x409/0x470 lib/stackdepot.c:506
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x60/0x70 mm/kasan/common.c:52
__kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
kmem_cache_alloc_bulk+0x3a2/0x4d0 mm/slub.c:3854
mt_alloc_bulk lib/maple_tree.c:157 [inline]
mas_alloc_nodes+0x3df/0x800 lib/maple_tree.c:1299
mas_node_count_gfp lib/maple_tree.c:1359 [inline]
mas_preallocate+0x12d/0x350 lib/maple_tree.c:5804
vma_link+0x15b/0x300 mm/mmap.c:475
insert_vm_struct+0x30c/0x3e0 mm/mmap.c:3295
__install_special_mapping+0x193/0x2f0 mm/mmap.c:3543
map_vdso+0x15b/0x2e0 arch/x86/entry/vdso/vma.c:268
load_elf_binary+0x1e97/0x2720 fs/binfmt_elf.c:1288
search_binary_handler fs/exec.c:1744 [inline]
exec_binprm fs/exec.c:1785 [inline]
bprm_execve+0x96a/0x18a0 fs/exec.c:1854
kernel_execve+0x8e6/0xa10 fs/exec.c:2019
Memory state around the buggy address:
ffff88807f06c780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88807f06c800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807f06c880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88807f06c900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88807f06c980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
---
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 [email protected].
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
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If the report is a duplicate of another one, reply with:
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If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 7ec6f9fa3d97 Linux 6.1.114
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=12d76e40580000
kernel config: https://syzkaller.appspot.com/x/.config?x=c3430b5172170129
dashboard link: https://syzkaller.appspot.com/bug?extid=e501cd2c647c6837c80d
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/85855dd3567d/disk-7ec6f9fa.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2938cf086485/vmlinux-7ec6f9fa.xz
kernel image: https://storage.googleapis.com/syzbot-assets/708aae50ad2d/bzImage-7ec6f9fa.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]
==================================================================
BUG: KASAN: use-after-free in hlist_add_head_rcu include/linux/rculist.h:593 [inline]
BUG: KASAN: use-after-free in nf_nat_setup_info+0x1bb1/0x28d0 net/netfilter/nf_nat_core.c:633
Write of size 8 at addr ffff88807f06c8d8 by task ksoftirqd/0/15
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.1.114-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x15f/0x4f0 mm/kasan/report.c:395
kasan_report+0x136/0x160 mm/kasan/report.c:495
hlist_add_head_rcu include/linux/rculist.h:593 [inline]
nf_nat_setup_info+0x1bb1/0x28d0 net/netfilter/nf_nat_core.c:633
__nf_nat_alloc_null_binding net/netfilter/nf_nat_core.c:664 [inline]
nf_nat_alloc_null_binding net/netfilter/nf_nat_core.c:670 [inline]
nf_nat_inet_fn+0x9d1/0xce0 net/netfilter/nf_nat_core.c:759
nf_nat_ipv4_fn net/netfilter/nf_nat_proto.c:645 [inline]
nf_nat_ipv4_local_in+0x227/0x5a0 net/netfilter/nf_nat_proto.c:708
nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:614
nf_hook include/linux/netfilter.h:257 [inline]
NF_HOOK+0x29a/0x450 include/linux/netfilter.h:300
NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
__netif_receive_skb_one_core net/core/dev.c:5532 [inline]
__netif_receive_skb+0x1c6/0x530 net/core/dev.c:5646
process_backlog+0x381/0x760 net/core/dev.c:5974
__napi_poll+0xc7/0x470 net/core/dev.c:6541
napi_poll net/core/dev.c:6608 [inline]
net_rx_action+0x70f/0xeb0 net/core/dev.c:6722
handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
run_ksoftirqd+0xc6/0x120 kernel/softirq.c:938
smpboot_thread_fn+0x52c/0xa30 kernel/smpboot.c:164
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
Allocated by task 15:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383
kmalloc include/linux/slab.h:557 [inline]
kzalloc include/linux/slab.h:693 [inline]
nf_ct_tmpl_alloc+0x7a/0x220 net/netfilter/nf_conntrack_core.c:550
nft_ct_set_zone_eval+0x3b9/0x5c0 net/netfilter/nft_ct.c:270
expr_call_ops_eval net/netfilter/nf_tables_core.c:214 [inline]
nft_do_chain+0x4ee/0x1b70 net/netfilter/nf_tables_core.c:264
nft_do_chain_ipv4+0x1f7/0x310 net/netfilter/nft_chain_filter.c:23
nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:614
nf_hook include/linux/netfilter.h:257 [inline]
NF_HOOK+0x29a/0x450 include/linux/netfilter.h:300
__netif_receive_skb_one_core net/core/dev.c:5532 [inline]
__netif_receive_skb+0x1c6/0x530 net/core/dev.c:5646
process_backlog+0x381/0x760 net/core/dev.c:5974
__napi_poll+0xc7/0x470 net/core/dev.c:6541
napi_poll net/core/dev.c:6608 [inline]
net_rx_action+0x70f/0xeb0 net/core/dev.c:6722
handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
run_ksoftirqd+0xc6/0x120 kernel/softirq.c:938
smpboot_thread_fn+0x52c/0xa30 kernel/smpboot.c:164
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Freed by task 15:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
kasan_slab_free include/linux/kasan.h:177 [inline]
slab_free_hook mm/slub.c:1724 [inline]
slab_free_freelist_hook mm/slub.c:1750 [inline]
slab_free mm/slub.c:3661 [inline]
__kmem_cache_free+0x25c/0x3c0 mm/slub.c:3674
nf_conntrack_destroy+0x121/0x2c0 net/netfilter/core.c:703
nf_conntrack_put include/linux/netfilter/nf_conntrack_common.h:37 [inline]
skb_release_head_state+0x165/0x230 net/core/skbuff.c:846
skb_release_all net/core/skbuff.c:854 [inline]
__kfree_skb net/core/skbuff.c:870 [inline]
kfree_skb_reason+0x13d/0x390 net/core/skbuff.c:893
nf_hook_slow+0x173/0x1e0 net/netfilter/core.c:619
nf_hook include/linux/netfilter.h:257 [inline]
NF_HOOK+0x29a/0x450 include/linux/netfilter.h:300
NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
__netif_receive_skb_one_core net/core/dev.c:5532 [inline]
__netif_receive_skb+0x1c6/0x530 net/core/dev.c:5646
process_backlog+0x381/0x760 net/core/dev.c:5974
__napi_poll+0xc7/0x470 net/core/dev.c:6541
napi_poll net/core/dev.c:6608 [inline]
net_rx_action+0x70f/0xeb0 net/core/dev.c:6722
handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
run_ksoftirqd+0xc6/0x120 kernel/softirq.c:938
smpboot_thread_fn+0x52c/0xa30 kernel/smpboot.c:164
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
The buggy address belongs to the object at ffff88807f06c800
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 216 bytes inside of
512-byte region [ffff88807f06c800, ffff88807f06ca00)
The buggy address belongs to the physical page:
page:ffffea0001fc1b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807f06c400 pfn:0x7f06c
head:ffffea0001fc1b00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea00009ea208 ffffea00016e6a08 ffff888017c41c80
raw: ffff88807f06c400 000000000010000d 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3591, tgid 3591 (modprobe), ts 22703681572, free_ts 22701882226
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517
prep_new_page mm/page_alloc.c:2524 [inline]
get_page_from_freelist+0x322e/0x33b0 mm/page_alloc.c:4290
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5558
alloc_slab_page+0x6a/0x150 mm/slub.c:1794
allocate_slab mm/slub.c:1939 [inline]
new_slab+0x84/0x2d0 mm/slub.c:1992
___slab_alloc+0xc20/0x1270 mm/slub.c:3180
__slab_alloc mm/slub.c:3279 [inline]
slab_alloc_node mm/slub.c:3364 [inline]
__kmem_cache_alloc_node+0x19f/0x260 mm/slub.c:3437
__do_kmalloc_node mm/slab_common.c:935 [inline]
__kmalloc+0xa1/0x230 mm/slab_common.c:949
kmalloc include/linux/slab.h:562 [inline]
kzalloc include/linux/slab.h:693 [inline]
tomoyo_init_log+0x1b37/0x2040 security/tomoyo/audit.c:275
tomoyo_supervisor+0x396/0x12d0 security/tomoyo/common.c:2088
tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
tomoyo_path_permission+0x243/0x360 security/tomoyo/file.c:587
tomoyo_path_perm+0x478/0x710 security/tomoyo/file.c:838
security_inode_getattr+0xcf/0x120 security/security.c:1361
vfs_getattr+0x26/0x360 fs/stat.c:158
vfs_statx+0x194/0x4b0 fs/stat.c:233
vfs_fstatat fs/stat.c:267 [inline]
__do_sys_newfstatat fs/stat.c:437 [inline]
__se_sys_newfstatat fs/stat.c:431 [inline]
__x64_sys_newfstatat+0x151/0x1e0 fs/stat.c:431
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1444 [inline]
free_pcp_prepare mm/page_alloc.c:1494 [inline]
free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464
__stack_depot_save+0x409/0x470 lib/stackdepot.c:506
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x60/0x70 mm/kasan/common.c:52
__kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
kmem_cache_alloc_bulk+0x3a2/0x4d0 mm/slub.c:3854
mt_alloc_bulk lib/maple_tree.c:157 [inline]
mas_alloc_nodes+0x3df/0x800 lib/maple_tree.c:1299
mas_node_count_gfp lib/maple_tree.c:1359 [inline]
mas_preallocate+0x12d/0x350 lib/maple_tree.c:5804
vma_link+0x15b/0x300 mm/mmap.c:475
insert_vm_struct+0x30c/0x3e0 mm/mmap.c:3295
__install_special_mapping+0x193/0x2f0 mm/mmap.c:3543
map_vdso+0x15b/0x2e0 arch/x86/entry/vdso/vma.c:268
load_elf_binary+0x1e97/0x2720 fs/binfmt_elf.c:1288
search_binary_handler fs/exec.c:1744 [inline]
exec_binprm fs/exec.c:1785 [inline]
bprm_execve+0x96a/0x18a0 fs/exec.c:1854
kernel_execve+0x8e6/0xa10 fs/exec.c:2019
Memory state around the buggy address:
ffff88807f06c780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88807f06c800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807f06c880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88807f06c900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88807f06c980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
---
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syzbot
Mar 1, 2025, 9:16:18 AMMar 1
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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