(syz-executor.5,19088,0):ocfs2_parse_options:1513 ERROR: Invalid heartbeat mount options (syz-executor.5,19088,0):ocfs2_fill_super:1225 ERROR: status = -22 ================================================================== BUG: KASAN: use-after-free in ntfs_attr_find+0xa42/0xb70 fs/ntfs/attrib.c:613 Read of size 4 at addr ffff88809ed60abf by task syz-executor.3/19087 CPU: 1 PID: 19087 Comm: syz-executor.3 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ntfs: volume version 3.1. Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 print_address_description.cold+0x56/0x25c mm/kasan/report.c:256 kasan_report_error.cold+0x66/0xb9 mm/kasan/report.c:354 kasan_report mm/kasan/report.c:412 [inline] __asan_report_load_n_noabort+0x8b/0xa0 mm/kasan/report.c:443 ntfs_attr_find+0xa42/0xb70 fs/ntfs/attrib.c:613 ntfs_attr_lookup+0x1087/0x2060 fs/ntfs/attrib.c:1203 ntfs_read_inode_mount+0x7e4/0x23b0 fs/ntfs/inode.c:1858 ntfs_fill_super+0x1761/0x89d2 fs/ntfs/super.c:2871 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x318 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x51c/0x2f10 fs/namespace.c:2799 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4607ea Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f5b2b81ca88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f5b2b81cb20 RCX: 00000000004607ea RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f5b2b81cae0 RBP: 00007f5b2b81cae0 R08: 00007f5b2b81cb20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020086e00 Allocated by task 18604: kmem_cache_alloc+0x126/0x4a0 mm/slab.c:3559 mempool_alloc+0x146/0x350 mm/mempool.c:385 bio_alloc_bioset+0x389/0x5e0 block/bio.c:489 bio_alloc include/linux/bio.h:437 [inline] mpage_alloc+0x2f/0x260 fs/mpage.c:79 do_mpage_readpage+0x151c/0x2220 fs/mpage.c:306 mpage_readpages+0x33a/0x650 fs/mpage.c:404 read_pages.isra.0+0xf6/0x5e0 mm/readahead.c:123 __do_page_cache_readahead+0x610/0x730 mm/readahead.c:211 force_page_cache_readahead+0x1d8/0x310 mm/readahead.c:242 page_cache_sync_readahead mm/readahead.c:523 [inline] page_cache_sync_readahead+0x3ea/0x580 mm/readahead.c:510 generic_file_buffered_read mm/filemap.c:2115 [inline] generic_file_read_iter+0x1497/0x2c00 mm/filemap.c:2385 blkdev_read_iter+0x11b/0x180 fs/block_dev.c:1949 call_read_iter include/linux/fs.h:1815 [inline] new_sync_read fs/read_write.c:406 [inline] __vfs_read+0x518/0x760 fs/read_write.c:418 vfs_read+0x194/0x3c0 fs/read_write.c:452 ksys_read+0x12b/0x2a0 fs/read_write.c:579 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 16366: __cache_free mm/slab.c:3503 [inline] kmem_cache_free+0x7f/0x2b0 mm/slab.c:3765 mempool_free+0xe3/0x370 mm/mempool.c:494 bio_free+0xee/0x140 block/bio.c:267 bio_put+0x55/0x80 block/bio.c:561 bio_endio+0x47d/0x840 block/bio.c:1780 req_bio_endio block/blk-core.c:278 [inline] blk_update_request+0x30f/0xea0 block/blk-core.c:3111 blk_mq_end_request+0x4a/0x340 block/blk-mq.c:544 lo_complete_rq+0x28c/0x370 drivers/block/loop.c:487 __blk_mq_complete_request block/blk-mq.c:583 [inline] blk_mq_complete_request+0x472/0x660 block/blk-mq.c:620 loop_handle_cmd drivers/block/loop.c:1931 [inline] loop_queue_work+0x2c1/0x2460 drivers/block/loop.c:1940 kthread_worker_fn+0x2a8/0x770 kernel/kthread.c:675 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 The buggy address belongs to the object at ffff88809ed60a00 which belongs to the cache bio-0 of size 216 The buggy address is located 191 bytes inside of 216-byte region [ffff88809ed60a00, ffff88809ed60ad8) The buggy address belongs to the page: page:ffffea00027b5800 count:1 mapcount:0 mapping:ffff8880a999f600 index:0xffff88809ed60c80 flags: 0xfffe0000000100(slab) raw: 00fffe0000000100 ffffea0002495c08 ffffea0001487388 ffff8880a999f600 raw: ffff88809ed60c80 ffff88809ed60000 0000000100000003 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88809ed60980: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88809ed60a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88809ed60a80: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc ^ ffff88809ed60b00: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ffff88809ed60b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================