BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:230 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x354/0x50c fs/ntfs3/xattr.c:749 Read of size 48 at addr ffff0000d8503330 by task syz-executor.3/10681 CPU: 0 PID: 10681 Comm: syz-executor.3 Not tainted 5.15.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x174/0x1e4 mm/kasan/report.c:451 kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189 memcpy+0x90/0xe8 mm/kasan/shadow.c:65 ntfs_list_ea fs/ntfs3/xattr.c:230 [inline] ntfs_listxattr+0x354/0x50c fs/ntfs3/xattr.c:749 vfs_listxattr fs/xattr.c:448 [inline] listxattr+0x29c/0x3e4 fs/xattr.c:783 path_listxattr fs/xattr.c:807 [inline] __do_sys_listxattr fs/xattr.c:819 [inline] __se_sys_listxattr fs/xattr.c:816 [inline] __arm64_sys_listxattr+0x13c/0x21c fs/xattr.c:816 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Allocated by task 10681: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc+0xbc/0xfc mm/kasan/common.c:513 __kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522 kasan_kmalloc include/linux/kasan.h:264 [inline] __kmalloc+0x29c/0x4c8 mm/slub.c:4407 kmalloc include/linux/slab.h:596 [inline] ntfs_read_ea+0x3c0/0x818 fs/ntfs3/xattr.c:117 ntfs_list_ea fs/ntfs3/xattr.c:202 [inline] ntfs_listxattr+0x14c/0x50c fs/ntfs3/xattr.c:749 vfs_listxattr fs/xattr.c:448 [inline] listxattr+0x29c/0x3e4 fs/xattr.c:783 path_listxattr fs/xattr.c:807 [inline] __do_sys_listxattr fs/xattr.c:819 [inline] __se_sys_listxattr fs/xattr.c:816 [inline] __arm64_sys_listxattr+0x13c/0x21c fs/xattr.c:816 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Last potentially related work creation: kasan_save_stack+0x38/0x68 mm/kasan/common.c:38 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348 kvfree_call_rcu+0xb8/0x684 kernel/rcu/tree.c:3596 cfg80211_update_known_bss+0x13c/0x7e0 cfg80211_bss_update+0x160/0x1c64 net/wireless/scan.c:1771 cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2488 [inline] cfg80211_inform_bss_frame_data+0x7f0/0x1dc4 net/wireless/scan.c:2521 ieee80211_bss_info_update+0x648/0xab0 net/mac80211/scan.c:190 ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1614 [inline] ieee80211_ibss_rx_queued_mgmt+0x7d8/0x2814 net/mac80211/ibss.c:1643 ieee80211_iface_process_skb net/mac80211/iface.c:1441 [inline] ieee80211_iface_work+0x5b4/0xa80 net/mac80211/iface.c:1495 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Second to last potentially related work creation: kasan_save_stack+0x38/0x68 mm/kasan/common.c:38 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348 insert_work+0x64/0x394 kernel/workqueue.c:1366 __queue_work+0xb84/0x114c kernel/workqueue.c:1532 queue_work_on+0xc4/0x17c kernel/workqueue.c:1559 queue_work include/linux/workqueue.h:511 [inline] schedule_work include/linux/workqueue.h:572 [inline] nfc_genl_rcv_nl_event+0x1c8/0x2a8 net/nfc/netlink.c:1867 notifier_call_chain kernel/notifier.c:83 [inline] blocking_notifier_call_chain+0xf0/0x198 kernel/notifier.c:318 netlink_release+0xe14/0x161c net/netlink/af_netlink.c:792 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x1fc net/socket.c:1334 __fput+0x30c/0x7f0 fs/file_table.c:280 ____fput+0x20/0x30 fs/file_table.c:308 task_work_run+0x130/0x1e4 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 The buggy address belongs to the object at ffff0000d8503300 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 48 bytes inside of 128-byte region [ffff0000d8503300, ffff0000d8503380) The buggy address belongs to the page: page:0000000022432b32 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x118503 flags: 0x5ffc00000000200(slab|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000000200 dead000000000100 dead000000000122 ffff0000c0002300 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000d8503200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000d8503280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff0000d8503300: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc ^ ffff0000d8503380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000d8503400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================