================================================================== BUG: KASAN: vmalloc-out-of-bounds in cleanup_bitmap_list+0x175/0x500 fs/reiserfs/journal.c:230 Read of size 8 at addr ffffc900155d9008 by task syz-executor.3/11110 CPU: 0 PID: 11110 Comm: syz-executor.3 Not tainted 6.6.0-syzkaller-14614-g77fa2fbe87fc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x163/0x540 mm/kasan/report.c:475 kasan_report+0x142/0x170 mm/kasan/report.c:588 cleanup_bitmap_list+0x175/0x500 fs/reiserfs/journal.c:230 cleanup_freed_for_journal_list fs/reiserfs/journal.c:569 [inline] flush_commit_list+0x12f2/0x1c40 fs/reiserfs/journal.c:1141 flush_journal_list+0x2a8/0x1c70 fs/reiserfs/journal.c:1390 flush_used_journal_lists+0x1256/0x15d0 fs/reiserfs/journal.c:1828 do_journal_end+0x3d5a/0x4b40 do_journal_begin_r+0x970/0x1020 journal_begin+0x14c/0x360 fs/reiserfs/journal.c:3254 reiserfs_fill_super+0x1853/0x2620 fs/reiserfs/super.c:2104 mount_bdev+0x237/0x300 fs/super.c:1650 legacy_get_tree+0xef/0x190 fs/fs_context.c:662 vfs_get_tree+0x8c/0x280 fs/super.c:1771 do_new_mount+0x28f/0xae0 fs/namespace.c:3337 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f3d1967e1ea 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:00007f3d1a472ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f3d1a472f80 RCX: 00007f3d1967e1ea RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 00007f3d1a472f40 RBP: 00000000200000c0 R08: 00007f3d1a472f80 R09: 000000000000800c R10: 000000000000800c R11: 0000000000000202 R12: 0000000020000080 R13: 00007f3d1a472f40 R14: 000000000000112f R15: 0000000020000300 The buggy address belongs to the virtual mapping at [ffffc900155d9000, ffffc900155db000) created by: reiserfs_allocate_list_bitmaps+0xf2/0x220 fs/reiserfs/journal.c:289 The buggy address belongs to the physical page: page:ffffea00009b0480 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26c12 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 11110, tgid 11109 (syz-executor.3), ts 403037493512, free_ts 402198572308 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1544 [inline] get_page_from_freelist+0x339a/0x3530 mm/page_alloc.c:3312 __alloc_pages+0x255/0x670 mm/page_alloc.c:4568 __alloc_pages_bulk+0x729/0xd40 mm/page_alloc.c:4516 alloc_pages_bulk_array_mempolicy+0x685/0x840 mm/mempolicy.c:2296 vm_area_alloc_pages mm/vmalloc.c:3028 [inline] __vmalloc_area_node mm/vmalloc.c:3139 [inline] __vmalloc_node_range+0x798/0x1490 mm/vmalloc.c:3320 __vmalloc_node mm/vmalloc.c:3385 [inline] vzalloc+0x79/0x90 mm/vmalloc.c:3458 reiserfs_allocate_list_bitmaps+0xf2/0x220 fs/reiserfs/journal.c:289 journal_init+0x2f1/0x2510 fs/reiserfs/journal.c:2734 reiserfs_fill_super+0x1039/0x2620 fs/reiserfs/super.c:2022 mount_bdev+0x237/0x300 fs/super.c:1650 legacy_get_tree+0xef/0x190 fs/fs_context.c:662 vfs_get_tree+0x8c/0x280 fs/super.c:1771 do_new_mount+0x28f/0xae0 fs/namespace.c:3337 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 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+0x92a/0xa50 mm/page_alloc.c:2347 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2487 tlb_batch_list_free mm/mmu_gather.c:114 [inline] tlb_finish_mmu+0x11f/0x1f0 mm/mmu_gather.c:395 exit_mmap+0x4d3/0xc50 mm/mmap.c:3321 __mmput+0x115/0x3c0 kernel/fork.c:1349 exit_mm+0x21f/0x300 kernel/exit.c:567 do_exit+0x9b7/0x2750 kernel/exit.c:858 do_group_exit+0x206/0x2c0 kernel/exit.c:1021 get_signal+0x1769/0x1840 kernel/signal.c:2904 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x50/0x110 arch/x86/entry/common.c:88 entry_SYSCALL_64_after_hwframe+0x63/0x6b Memory state around the buggy address: ffffc900155d8f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc900155d8f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc900155d9000: 00 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc900155d9080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc900155d9100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================