================================================================== BUG: KASAN: vmalloc-out-of-bounds in gfs2_dump_glock+0x1573/0x1ba0 Read of size 8 at addr ffffc9000320f720 by task syz.2.314/5046 CPU: 0 PID: 5046 Comm: syz.2.314 Not tainted 6.1.101-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:395 kasan_report+0x136/0x160 mm/kasan/report.c:495 gfs2_dump_glock+0x1573/0x1ba0 gfs2_consist_inode_i+0xf1/0x110 fs/gfs2/util.c:464 gfs2_dirent_scan+0x512/0x640 fs/gfs2/dir.c:602 gfs2_dir_read+0x82b/0x1af0 fs/gfs2/dir.c:1599 gfs2_readdir+0x14a/0x1a0 fs/gfs2/file.c:115 iterate_dir+0x224/0x560 __do_sys_getdents fs/readdir.c:286 [inline] __se_sys_getdents+0x1eb/0x4c0 fs/readdir.c:271 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f7619b77299 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f761a98c048 EFLAGS: 00000246 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 00007f7619d06058 RCX: 00007f7619b77299 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f7619be48e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f7619d06058 R15: 00007ffd1d5742f8 Memory state around the buggy address: ffffc9000320f600: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc9000320f680: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc9000320f700: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc9000320f780: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc9000320f800: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================