------------[ cut here ]------------ WARNING: CPU: 1 PID: 5195 at fs/gfs2/rgrp.c:2630 gfs2_check_blk_type+0x2cf/0x340 fs/gfs2/rgrp.c:2630 Modules linked in: CPU: 1 PID: 5195 Comm: syz-executor144 Not tainted 6.8.0-syzkaller-11752-gdba89d1b81df #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:gfs2_check_blk_type+0x2cf/0x340 fs/gfs2/rgrp.c:2630 Code: 89 f7 e8 44 3d f9 ff eb a6 89 44 24 04 89 4c 24 08 e8 85 ca 28 fe 48 63 44 24 04 8b 4c 24 08 e9 aa fe ff ff e8 f2 a3 cd fd 90 <0f> 0b 90 e9 70 ff ff ff bb ea ff ff ff e9 73 ff ff ff e8 5a ca 28 RSP: 0018:ffffc9000320f970 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffff9 RCX: ffffffff83bfc8e9 RDX: ffff88802395a440 RSI: ffffffff83bfca7e RDI: 0000000000000005 RBP: ffffc9000320fa70 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff9 R11: 1ffffffff1b37931 R12: 1ffff92000641f30 R13: ffff888025684000 R14: ffffc9000320f9c0 R15: 0000000000000012 FS: 000055557feaf380(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffd7541d98 CR3: 000000002539c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_inode_lookup+0x6f3/0x8a0 fs/gfs2/inode.c:178 gfs2_lookup_by_inum+0x48/0x100 fs/gfs2/inode.c:251 gfs2_get_dentry fs/gfs2/export.c:139 [inline] gfs2_fh_to_dentry+0x1a4/0x200 fs/gfs2/export.c:160 exportfs_decode_fh_raw+0x135/0x7a0 fs/exportfs/expfs.c:444 exportfs_decode_fh+0x3c/0x90 fs/exportfs/expfs.c:584 do_handle_to_path fs/fhandle.c:155 [inline] handle_to_path fs/fhandle.c:210 [inline] do_handle_open+0x356/0x5c0 fs/fhandle.c:226 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fdb576fb639 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe34dd2748 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 RAX: ffffffffffffffda RBX: 00007ffe34dd2918 RCX: 00007fdb576fb639 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00007fdb57780610 R08: 0000000000000000 R09: 00007ffe34dd2918 R10: 00000000000124d6 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe34dd2908 R14: 0000000000000001 R15: 0000000000000001