loop2: detected capacity change from 0 to 1024 hfsplus: request for non-existent node 134217728 in B*Tree hfsplus: request for non-existent node 134217728 in B*Tree ================================================================== BUG: KASAN: slab-out-of-bounds in hfsplus_bnode_read+0x22a/0x240 fs/hfsplus/bnode.c:32 Read of size 8 at addr ffff88807ecb59e0 by task syz-executor.2/6605 CPU: 0 PID: 6605 Comm: syz-executor.2 Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0xc3/0x620 mm/kasan/report.c:488 kasan_report+0xd9/0x110 mm/kasan/report.c:601 hfsplus_bnode_read+0x22a/0x240 fs/hfsplus/bnode.c:32 hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:45 [inline] hfsplus_bnode_dump+0x2a2/0x3e0 fs/hfsplus/bnode.c:321 hfsplus_brec_remove+0x3e2/0x4f0 fs/hfsplus/brec.c:229 __hfsplus_delete_attr+0x2a2/0x3b0 fs/hfsplus/attributes.c:299 hfsplus_delete_attr+0x27e/0x310 fs/hfsplus/attributes.c:345 __hfsplus_setxattr+0x66f/0x2180 fs/hfsplus/xattr.c:342 hfsplus_setxattr+0x10c/0x180 fs/hfsplus/xattr.c:434 __vfs_setxattr+0x173/0x1e0 fs/xattr.c:200 __vfs_setxattr_noperm+0x127/0x5e0 fs/xattr.c:234 __vfs_setxattr_locked+0x182/0x260 fs/xattr.c:295 vfs_setxattr+0x146/0x350 fs/xattr.c:321 do_setxattr+0x146/0x170 fs/xattr.c:629 setxattr+0x15d/0x180 fs/xattr.c:652 path_setxattr+0x179/0x1e0 fs/xattr.c:671 __do_sys_setxattr fs/xattr.c:687 [inline] __se_sys_setxattr fs/xattr.c:683 [inline] __x64_sys_setxattr+0xc4/0x160 fs/xattr.c:683 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f57efe7dea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f57f0bf20c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007f57effabf80 RCX: 00007f57efe7dea9 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000040 RBP: 00007f57efeca4a4 R08: 0000000000000002 R09: 0000000000000000 R10: 000000000000000f R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f57effabf80 R15: 00007ffcbd60db08 Allocated by task 6605: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slub.c:3966 [inline] __kmalloc+0x1f9/0x440 mm/slub.c:3979 kmalloc include/linux/slab.h:632 [inline] kzalloc include/linux/slab.h:749 [inline] __hfs_bnode_create+0x108/0x870 fs/hfsplus/bnode.c:409 hfsplus_bnode_find+0x2c8/0xcb0 fs/hfsplus/bnode.c:486 hfsplus_brec_find+0x2b9/0x520 fs/hfsplus/bfind.c:183 hfsplus_find_attr+0xe6/0x190 fs/hfsplus/attributes.c:153 hfsplus_attr_exists+0x14d/0x200 fs/hfsplus/attributes.c:182 __hfsplus_setxattr+0x4c6/0x2180 fs/hfsplus/xattr.c:336 hfsplus_setxattr+0x10c/0x180 fs/hfsplus/xattr.c:434 __vfs_setxattr+0x173/0x1e0 fs/xattr.c:200 __vfs_setxattr_noperm+0x127/0x5e0 fs/xattr.c:234 __vfs_setxattr_locked+0x182/0x260 fs/xattr.c:295 vfs_setxattr+0x146/0x350 fs/xattr.c:321 do_setxattr+0x146/0x170 fs/xattr.c:629 setxattr+0x15d/0x180 fs/xattr.c:652 path_setxattr+0x179/0x1e0 fs/xattr.c:671 __do_sys_setxattr fs/xattr.c:687 [inline] __se_sys_setxattr fs/xattr.c:683 [inline] __x64_sys_setxattr+0xc4/0x160 fs/xattr.c:683 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88807ecb5900 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 72 bytes to the right of allocated 152-byte region [ffff88807ecb5900, ffff88807ecb5998) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7ecb5 flags: 0xfff80000000800(slab|node=0|zone=1|lastcpupid=0xfff) page_type: 0xffffffff() raw: 00fff80000000800 ffff888015041a00 dead000000000122 0000000000000000 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6579, tgid -1464173808 (syz-executor.1), ts 6579, free_ts 208439548522 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x2d4/0x350 mm/page_alloc.c:1534 prep_new_page mm/page_alloc.c:1541 [inline] get_page_from_freelist+0xa28/0x3780 mm/page_alloc.c:3317 __alloc_pages+0x22b/0x2460 mm/page_alloc.c:4575 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2175 [inline] allocate_slab mm/slub.c:2338 [inline] new_slab+0xcc/0x3a0 mm/slub.c:2391 ___slab_alloc+0x66d/0x1790 mm/slub.c:3525 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3610 __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] __do_kmalloc_node mm/slub.c:3965 [inline] __kmalloc_node_track_caller+0x367/0x470 mm/slub.c:3986 kmemdup+0x29/0x60 mm/util.c:131 kmemdup include/linux/fortify-string.h:738 [inline] neigh_parms_alloc+0x82/0x5d0 net/core/neighbour.c:1716 inetdev_init+0x135/0x580 net/ipv4/devinet.c:276 inetdev_event+0xd23/0x19b0 net/ipv4/devinet.c:1560 notifier_call_chain+0xb9/0x410 kernel/notifier.c:93 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:1950 call_netdevice_notifiers_extack net/core/dev.c:1988 [inline] call_netdevice_notifiers net/core/dev.c:2002 [inline] register_netdevice+0x15f5/0x1ca0 net/core/dev.c:10316 rtnl_newlink_create net/core/rtnetlink.c:3496 [inline] __rtnl_newlink+0x1632/0x1960 net/core/rtnetlink.c:3714 rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3727 page last free pid 5442 tgid 5442 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1141 [inline] free_unref_page_prepare+0x527/0xb10 mm/page_alloc.c:2347 free_unref_page+0x33/0x3c0 mm/page_alloc.c:2487 __put_partials+0x14c/0x170 mm/slub.c:2906 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3798 [inline] slab_alloc_node mm/slub.c:3845 [inline] kmem_cache_alloc_node+0x177/0x340 mm/slub.c:3888 __alloc_skb+0x2b1/0x380 net/core/skbuff.c:658 alloc_skb include/linux/skbuff.h:1313 [inline] nlmsg_new include/net/netlink.h:1010 [inline] rtmsg_fib+0x13f/0x520 net/ipv4/fib_semantics.c:522 fib_table_delete+0x66d/0x9f0 net/ipv4/fib_trie.c:1768 fib_magic+0x363/0x5c0 net/ipv4/fib_frontend.c:1111 fib_del_ifaddr+0xd20/0x1510 net/ipv4/fib_frontend.c:1322 fib_inetaddr_event+0xbd/0x2c0 net/ipv4/fib_frontend.c:1453 notifier_call_chain+0xb9/0x410 kernel/notifier.c:93 blocking_notifier_call_chain kernel/notifier.c:388 [inline] blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:376 __inet_del_ifa+0x3dd/0xf40 net/ipv4/devinet.c:432 Memory state around the buggy address: ffff88807ecb5880: 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc ffff88807ecb5900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88807ecb5980: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88807ecb5a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88807ecb5a80: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================