================================================================== BUG: KASAN: vmalloc-out-of-bounds in cleanup_bitmap_list.part.0+0x4ac/0x5f0 fs/reiserfs/journal.c:231 Read of size 8 at addr ffffc900148ed008 by task syz-executor.0/12236 CPU: 0 PID: 12236 Comm: syz-executor.0 Not tainted 6.4.0-rc7-syzkaller-00019-g99ec1ed7c2ed #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:351 print_report mm/kasan/report.c:462 [inline] kasan_report+0x11c/0x130 mm/kasan/report.c:572 cleanup_bitmap_list.part.0+0x4ac/0x5f0 fs/reiserfs/journal.c:231 cleanup_bitmap_list fs/reiserfs/journal.c:227 [inline] free_list_bitmaps fs/reiserfs/journal.c:249 [inline] free_journal_ram+0x165/0x600 fs/reiserfs/journal.c:1887 do_journal_release fs/reiserfs/journal.c:1960 [inline] journal_release_error+0x76/0xa0 fs/reiserfs/journal.c:1978 reiserfs_fill_super+0x1082/0x2eb0 fs/reiserfs/super.c:2223 mount_bdev+0x358/0x420 fs/super.c:1380 legacy_get_tree+0x109/0x220 fs/fs_context.c:610 vfs_get_tree+0x8d/0x350 fs/super.c:1510 do_new_mount fs/namespace.c:3039 [inline] path_mount+0x134b/0x1e40 fs/namespace.c:3369 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7efc47e8d8ba 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:00007efc48c14f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000001117 RCX: 00007efc47e8d8ba RDX: 0000000020000080 RSI: 0000000020000140 RDI: 00007efc48c14fe0 RBP: 00007efc48c15020 R08: 00007efc48c15020 R09: 000000000120c083 R10: 000000000120c083 R11: 0000000000000202 R12: 0000000020000080 R13: 0000000020000140 R14: 00007efc48c14fe0 R15: 0000000020000380 The buggy address belongs to the virtual mapping at [ffffc900148ed000, ffffc900148ef000) created by: reiserfs_allocate_list_bitmaps+0x58/0x1d0 fs/reiserfs/journal.c:290 The buggy address belongs to the physical page: page:ffffea0001e87f00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7a1fc 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 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 12236, tgid 12235 (syz-executor.0), ts 464690657407, free_ts 444529844313 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2db/0x350 mm/page_alloc.c:1731 prep_new_page mm/page_alloc.c:1738 [inline] get_page_from_freelist+0xf41/0x2c00 mm/page_alloc.c:3502 __alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:4768 __alloc_pages_bulk+0x7e3/0x1360 mm/page_alloc.c:4716 alloc_pages_bulk_array_mempolicy+0x1b7/0x360 mm/mempolicy.c:2374 vm_area_alloc_pages mm/vmalloc.c:2974 [inline] __vmalloc_area_node mm/vmalloc.c:3085 [inline] __vmalloc_node_range+0xe69/0x14a0 mm/vmalloc.c:3257 __vmalloc_node mm/vmalloc.c:3322 [inline] vzalloc+0x6b/0x80 mm/vmalloc.c:3395 reiserfs_allocate_list_bitmaps+0x58/0x1d0 fs/reiserfs/journal.c:290 journal_init+0x3d2/0x64b0 fs/reiserfs/journal.c:2733 reiserfs_fill_super+0xc5b/0x2eb0 fs/reiserfs/super.c:2022 mount_bdev+0x358/0x420 fs/super.c:1380 legacy_get_tree+0x109/0x220 fs/fs_context.c:610 vfs_get_tree+0x8d/0x350 fs/super.c:1510 do_new_mount fs/namespace.c:3039 [inline] path_mount+0x134b/0x1e40 fs/namespace.c:3369 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1302 [inline] free_unref_page_prepare+0x62e/0xcb0 mm/page_alloc.c:2564 free_unref_page+0x33/0x370 mm/page_alloc.c:2659 kasan_depopulate_vmalloc_pte+0x60/0x80 mm/kasan/shadow.c:427 apply_to_pte_range mm/memory.c:2584 [inline] apply_to_pmd_range mm/memory.c:2628 [inline] apply_to_pud_range mm/memory.c:2664 [inline] apply_to_p4d_range mm/memory.c:2700 [inline] __apply_to_page_range+0x68c/0x1030 mm/memory.c:2734 kasan_release_vmalloc+0xab/0xc0 mm/kasan/shadow.c:544 __purge_vmap_area_lazy+0x886/0x1e60 mm/vmalloc.c:1771 drain_vmap_area_work+0x54/0xd0 mm/vmalloc.c:1804 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552 kthread+0x344/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Memory state around the buggy address: ffffc900148ecf00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc900148ecf80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc900148ed000: 00 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc900148ed080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc900148ed100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================