REISERFS error (device loop1): zam-7001 reiserfs_find_entry: io error REISERFS (device loop1): Remounting filesystem read-only ================================================================== BUG: KASAN: vmalloc-out-of-bounds in cleanup_bitmap_list.part.0+0x4dd/0x5c0 fs/reiserfs/journal.c:230 Read of size 8 at addr ffffc90000c9e008 by task syz-executor122/5179 CPU: 3 PID: 5179 Comm: syz-executor122 Not tainted 6.7.0-rc8-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 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 cleanup_bitmap_list.part.0+0x4dd/0x5c0 fs/reiserfs/journal.c:230 cleanup_bitmap_list fs/reiserfs/journal.c:226 [inline] free_list_bitmaps fs/reiserfs/journal.c:248 [inline] free_journal_ram+0x15e/0x5c0 fs/reiserfs/journal.c:1886 do_journal_release fs/reiserfs/journal.c:1959 [inline] journal_release_error+0x76/0xa0 fs/reiserfs/journal.c:1977 reiserfs_fill_super+0xecc/0x3160 fs/reiserfs/super.c:2223 mount_bdev+0x1f3/0x2e0 fs/super.c:1650 legacy_get_tree+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8c/0x370 fs/super.c:1771 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:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f3c417e4bca Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 3e 07 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe69c5c308 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffe69c5c320 RCX: 00007f3c417e4bca RDX: 00000000200002c0 RSI: 00000000200031c0 RDI: 00007ffe69c5c320 RBP: 0000000000000004 R08: 00007ffe69c5c360 R09: 0000000000001118 R10: 0000000000000800 R11: 0000000000000286 R12: 0000000000000800 R13: 00007ffe69c5c360 R14: 0000000000000003 R15: 0000000000400000 The buggy address belongs to the virtual mapping at [ffffc90000c9e000, ffffc90000ca0000) created by: reiserfs_allocate_list_bitmaps+0x58/0x1c0 fs/reiserfs/journal.c:289 The buggy address belongs to the physical page: page:ffffea0000738380 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1ce0e flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 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 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 5179, tgid 5179 (syz-executor122), ts 50931024083, free_ts 50896799935 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2d0/0x350 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1544 [inline] get_page_from_freelist+0xa25/0x36d0 mm/page_alloc.c:3312 __alloc_pages+0x22e/0x2420 mm/page_alloc.c:4568 __alloc_pages_bulk+0x742/0x14f0 mm/page_alloc.c:4516 alloc_pages_bulk_array_mempolicy+0x21e/0x400 mm/mempolicy.c:2296 vm_area_alloc_pages mm/vmalloc.c:3028 [inline] __vmalloc_area_node mm/vmalloc.c:3139 [inline] __vmalloc_node_range+0xd09/0x1540 mm/vmalloc.c:3320 __vmalloc_node mm/vmalloc.c:3385 [inline] vzalloc+0x6b/0x80 mm/vmalloc.c:3458 reiserfs_allocate_list_bitmaps+0x58/0x1c0 fs/reiserfs/journal.c:289 journal_init+0x3e2/0x6980 fs/reiserfs/journal.c:2734 reiserfs_fill_super+0xcc6/0x3160 fs/reiserfs/super.c:2022 mount_bdev+0x1f3/0x2e0 fs/super.c:1650 legacy_get_tree+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8c/0x370 fs/super.c:1771 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:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1137 [inline] free_unref_page_prepare+0x4fa/0xaa0 mm/page_alloc.c:2347 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2487 slab_destroy mm/slab.c:1608 [inline] slabs_destroy+0x85/0xc0 mm/slab.c:1628 cache_flusharray mm/slab.c:3341 [inline] ___cache_free+0x2b7/0x420 mm/slab.c:3404 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x4c/0x1b0 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x18e/0x1d0 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook mm/slab.h:763 [inline] slab_alloc_node mm/slab.c:3237 [inline] __kmem_cache_alloc_node+0x163/0x460 mm/slab.c:3521 __do_kmalloc_node mm/slab_common.c:1006 [inline] __kmalloc_node+0x4c/0x90 mm/slab_common.c:1014 kmalloc_node include/linux/slab.h:620 [inline] kvmalloc_node+0x99/0x1a0 mm/util.c:617 kvmalloc include/linux/slab.h:738 [inline] seq_buf_alloc fs/seq_file.c:38 [inline] seq_read_iter+0x80b/0x1280 fs/seq_file.c:210 kernfs_fop_read_iter+0x410/0x580 fs/kernfs/file.c:279 call_read_iter include/linux/fs.h:2014 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x4d4/0x8f0 fs/read_write.c:470 ksys_read+0x12f/0x250 fs/read_write.c:613 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Memory state around the buggy address: ffffc90000c9df00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000c9df80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc90000c9e000: 00 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc90000c9e080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000c9e100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================