ntfs3: loop1: Mark volume as dirty due to NTFS errors ================================================================== BUG: KASAN: slab-use-after-free in ntfs_write_bh+0x6b9/0x6e0 fs/ntfs3/fsntfs.c:1401 Read of size 8 at addr ffff88808a366000 by task syz-executor.1/14294 CPU: 0 PID: 14294 Comm: syz-executor.1 Not tainted 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xc4/0x620 mm/kasan/report.c:475 kasan_report+0xda/0x110 mm/kasan/report.c:588 ntfs_write_bh+0x6b9/0x6e0 fs/ntfs3/fsntfs.c:1401 mi_write+0xc0/0x1e0 fs/ntfs3/record.c:346 ni_write_inode+0x102c/0x2810 fs/ntfs3/frecord.c:3360 write_inode fs/fs-writeback.c:1456 [inline] __writeback_single_inode+0xa81/0xe70 fs/fs-writeback.c:1668 writeback_single_inode+0x2af/0x590 fs/fs-writeback.c:1724 sync_inode_metadata+0xa5/0xe0 fs/fs-writeback.c:2786 ntfs_set_state+0x3f0/0x6e0 fs/ntfs3/fsntfs.c:995 ntfs_iget5+0x918/0x3960 fs/ntfs3/inode.c:539 ntfs_fill_super+0x2727/0x43d0 fs/ntfs3/super.c:1244 get_tree_bdev+0x3b5/0x650 fs/super.c:1580 vfs_get_tree+0x8c/0x370 fs/super.c:1753 do_new_mount fs/namespace.c:3337 [inline] path_mount+0x1492/0x1ed0 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __x64_sys_mount+0x293/0x310 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f436c87e1ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f436d4f2ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f436d4f2f80 RCX: 00007f436c87e1ea RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f436d4f2f40 RBP: 0000000020000280 R08: 00007f436d4f2f80 R09: 0000000000010004 R10: 0000000000010004 R11: 0000000000000202 R12: 0000000020000100 R13: 00007f436d4f2f40 R14: 000000000001f749 R15: 00000000200001c0 Allocated by task 12894: kasan_save_stack+0x33/0x50 mm/kasan/common.c:46 kasan_set_track+0x25/0x30 mm/kasan/common.c:53 ____kasan_kmalloc mm/kasan/common.c:375 [inline] __kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:384 kasan_kmalloc include/linux/kasan.h:198 [inline] __do_kmalloc_node mm/slab_common.c:1023 [inline] __kmalloc_node_track_caller+0x61/0x100 mm/slab_common.c:1043 kmalloc_reserve+0xef/0x260 net/core/skbuff.c:581 __alloc_skb+0x12b/0x330 net/core/skbuff.c:650 alloc_skb include/linux/skbuff.h:1286 [inline] nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:748 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:805 [inline] nsim_dev_trap_report_work+0x29e/0xc70 drivers/net/netdevsim/dev.c:850 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Freed by task 12894: kasan_save_stack+0x33/0x50 mm/kasan/common.c:46 kasan_set_track+0x25/0x30 mm/kasan/common.c:53 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:523 ____kasan_slab_free mm/kasan/common.c:237 [inline] ____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:201 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826 slab_free mm/slub.c:3809 [inline] __kmem_cache_free+0xb8/0x2f0 mm/slub.c:3822 skb_kfree_head net/core/skbuff.c:945 [inline] skb_free_head+0x110/0x1b0 net/core/skbuff.c:957 skb_release_data+0x5ba/0x870 net/core/skbuff.c:987 skb_release_all net/core/skbuff.c:1053 [inline] __kfree_skb net/core/skbuff.c:1067 [inline] consume_skb net/core/skbuff.c:1283 [inline] consume_skb+0xd2/0x170 net/core/skbuff.c:1277 nsim_dev_trap_report drivers/net/netdevsim/dev.c:821 [inline] nsim_dev_trap_report_work+0x872/0xc70 drivers/net/netdevsim/dev.c:850 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 The buggy address belongs to the object at ffff88808a366000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 0 bytes inside of freed 4096-byte region [ffff88808a366000, ffff88808a367000) The buggy address belongs to the physical page: page:ffffea000228d800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8a360 head:ffffea000228d800 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 anon flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888012c42140 0000000000000000 dead000000000001 raw: 0000000000000000 0000000000040004 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 0x1d2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 4494, tgid 4494 (udevd), ts 894210703647, free_ts 894094227549 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1535 prep_new_page mm/page_alloc.c:1542 [inline] get_page_from_freelist+0xdcd/0x2d10 mm/page_alloc.c:3224 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4480 alloc_pages+0x1a9/0x270 mm/mempolicy.c:2298 alloc_slab_page mm/slub.c:1870 [inline] allocate_slab+0x251/0x380 mm/slub.c:2017 new_slab mm/slub.c:2070 [inline] ___slab_alloc+0x8c7/0x1580 mm/slub.c:3223 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3322 __slab_alloc_node mm/slub.c:3375 [inline] slab_alloc_node mm/slub.c:3468 [inline] __kmem_cache_alloc_node+0x131/0x340 mm/slub.c:3517 __do_kmalloc_node mm/slab_common.c:1022 [inline] __kmalloc+0x4f/0x100 mm/slab_common.c:1036 kmalloc include/linux/slab.h:603 [inline] tomoyo_realpath_from_path+0xb9/0x710 security/tomoyo/realpath.c:251 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x26f/0x450 security/tomoyo/file.c:822 security_inode_getattr+0xf1/0x150 security/security.c:2153 vfs_getattr fs/stat.c:206 [inline] vfs_fstat+0x4f/0xc0 fs/stat.c:231 vfs_fstatat+0x130/0x140 fs/stat.c:328 __do_sys_newfstatat+0x98/0x110 fs/stat.c:502 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1138 [inline] free_unref_page+0x554/0xd70 mm/page_alloc.c:2460 __unfreeze_partials+0x21d/0x240 mm/slub.c:2655 qlink_free mm/kasan/quarantine.c:166 [inline] qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185 kasan_quarantine_reduce+0x18e/0x1d0 mm/kasan/quarantine.c:292 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:306 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook mm/slab.h:762 [inline] slab_alloc_node mm/slub.c:3478 [inline] slab_alloc mm/slub.c:3486 [inline] __kmem_cache_alloc_lru mm/slub.c:3493 [inline] kmem_cache_alloc+0x16c/0x3b0 mm/slub.c:3502 getname_flags.part.0+0x50/0x4d0 fs/namei.c:140 getname_flags include/linux/audit.h:321 [inline] getname+0x90/0xe0 fs/namei.c:219 do_sys_openat2+0x100/0x1e0 fs/open.c:1416 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1448 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffff88808a365f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88808a365f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88808a366000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88808a366080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88808a366100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================