================================================================== BUG: KASAN: vmalloc-out-of-bounds in cleanup_bitmap_list+0x175/0x500 fs/reiserfs/journal.c:231 Read of size 8 at addr ffffc9000115a008 by task syz.0.15/4398 CPU: 1 PID: 4398 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 print_address_description+0x63/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x16b/0x1c0 mm/kasan/report.c:451 cleanup_bitmap_list+0x175/0x500 fs/reiserfs/journal.c:231 cleanup_freed_for_journal_list fs/reiserfs/journal.c:570 [inline] flush_commit_list+0x1636/0x1ec0 fs/reiserfs/journal.c:1139 flush_journal_list+0x2a8/0x1c80 fs/reiserfs/journal.c:1388 flush_used_journal_lists+0x1254/0x15d0 fs/reiserfs/journal.c:1826 do_journal_end+0x391a/0x4650 do_journal_begin_r+0x950/0x1000 journal_begin+0x148/0x350 fs/reiserfs/journal.c:3253 reiserfs_fill_super+0x1812/0x2690 fs/reiserfs/super.c:2108 mount_bdev+0x2c9/0x3f0 fs/super.c:1398 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1528 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fbe6216b69a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbe613eae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fbe613eaef0 RCX: 00007fbe6216b69a RDX: 0000000020001100 RSI: 0000000020001140 RDI: 00007fbe613eaeb0 RBP: 0000000020001100 R08: 00007fbe613eaef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020001140 R13: 00007fbe613eaeb0 R14: 00000000000010ef R15: 0000000020001180 Memory state around the buggy address: ffffc90001159f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90001159f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc9000115a000: 00 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc9000115a080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc9000115a100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================