loop1: detected capacity change from 0 to 8226 ntfs3: loop1: Mark volume as dirty due to NTFS errors ================================================================== BUG: KASAN: slab-out-of-bounds in run_unpack+0x84f/0xd00 fs/ntfs3/run.c:944 Read of size 1 at addr ffff888018be4540 by task syz-executor.1/14856 CPU: 0 PID: 14856 Comm: syz-executor.1 Not tainted 6.1.0-rc5-syzkaller-00241-gab290eaddc4c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:284 print_report+0x107/0x1f0 mm/kasan/report.c:395 kasan_report+0xcd/0x100 mm/kasan/report.c:495 run_unpack+0x84f/0xd00 fs/ntfs3/run.c:944 run_unpack_ex+0xcc/0x870 fs/ntfs3/run.c:1057 ntfs_read_mft fs/ntfs3/inode.c:368 [inline] ntfs_iget5+0x1cfa/0x36f0 fs/ntfs3/inode.c:501 ntfs_fill_super+0x3b55/0x42a0 fs/ntfs3/super.c:1195 get_tree_bdev+0x400/0x620 fs/super.c:1324 vfs_get_tree+0x88/0x270 fs/super.c:1531 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568 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+0x63/0xcd RIP: 0033:0x7ff30388cb6a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 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:00007ff3045c9f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000bc0 RCX: 00007ff30388cb6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ff3045c9fe0 RBP: 00007ff3045ca020 R08: 00007ff3045ca020 R09: 0000000020000000 R10: 0000000000000002 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007ff3045c9fe0 R15: 0000000020003580 Allocated by task 14856: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x3d/0x60 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:371 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:380 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:955 [inline] __kmalloc+0xaf/0x1a0 mm/slab_common.c:968 kmalloc include/linux/slab.h:558 [inline] mi_init+0x72/0xe0 fs/ntfs3/record.c:105 ntfs_read_mft fs/ntfs3/inode.c:53 [inline] ntfs_iget5+0x309/0x36f0 fs/ntfs3/inode.c:501 ntfs_fill_super+0x3b55/0x42a0 fs/ntfs3/super.c:1195 get_tree_bdev+0x400/0x620 fs/super.c:1324 vfs_get_tree+0x88/0x270 fs/super.c:1531 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568 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+0x63/0xcd Last potentially related work creation: kasan_save_stack+0x2b/0x50 mm/kasan/common.c:45 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:481 kvfree_call_rcu+0x112/0x880 kernel/rcu/tree.c:3343 neigh_del net/core/neighbour.c:225 [inline] neigh_remove_one+0x5cc/0x680 net/core/neighbour.c:246 neigh_forced_gc net/core/neighbour.c:276 [inline] neigh_alloc net/core/neighbour.c:447 [inline] ___neigh_create+0x3aa/0x21a0 net/core/neighbour.c:642 ip6_finish_output2+0x1417/0x1440 net/ipv6/ip6_output.c:125 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline] ip6_finish_output+0xa05/0xeb0 net/ipv6/ip6_output.c:206 dst_output include/net/dst.h:445 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xaba/0xfc0 net/ipv6/ndisc.c:508 addrconf_rs_timer+0x377/0x5f0 net/ipv6/addrconf.c:3931 call_timer_fn+0xf5/0x210 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers+0x772/0x980 kernel/time/timer.c:1790 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803 __do_softirq+0x277/0x738 kernel/softirq.c:571 The buggy address belongs to the object at ffff888018be4000 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 320 bytes to the right of 1024-byte region [ffff888018be4000, ffff888018be4400) The buggy address belongs to the physical page: page:ffffea000062f800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x18be0 head:ffffea000062f800 order:3 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888012841dc0 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 3034455320, free_ts 0 prep_new_page mm/page_alloc.c:2539 [inline] get_page_from_freelist+0x742/0x7c0 mm/page_alloc.c:4288 __alloc_pages+0x259/0x560 mm/page_alloc.c:5555 alloc_page_interleave+0x22/0x1c0 mm/mempolicy.c:2118 alloc_slab_page+0x70/0xf0 mm/slub.c:1794 allocate_slab+0x5e/0x4b0 mm/slub.c:1939 new_slab mm/slub.c:1992 [inline] ___slab_alloc+0x782/0xe20 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x252/0x310 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc_node_track_caller+0x9c/0x190 mm/slab_common.c:975 kmalloc_reserve net/core/skbuff.c:437 [inline] pskb_expand_head+0x187/0x12b0 net/core/skbuff.c:1832 netlink_trim+0x17f/0x210 net/netlink/af_netlink.c:1301 netlink_broadcast+0x64/0x1170 net/netlink/af_netlink.c:1497 nlmsg_multicast include/net/netlink.h:1050 [inline] genlmsg_mcast net/netlink/genetlink.c:1526 [inline] genlmsg_multicast_allns+0x25d/0x350 net/netlink/genetlink.c:1545 genl_ctrl_event+0x6c7/0xc40 net/netlink/genetlink.c:1155 genl_register_family+0x11c0/0x1540 net/netlink/genetlink.c:455 wpan_phy_class_init+0x9a/0xcc net/ieee802154/core.c:356 do_one_initcall+0x1c9/0x400 init/main.c:1303 page_owner free stack trace missing Memory state around the buggy address: ffff888018be4400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888018be4480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888018be4500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff888018be4580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888018be4600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================