gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.0: fatal: invalid metadata block
bh = 8330 (magic number)
function = gfs2_meta_buffer, file = fs/gfs2/meta_io.c, line = 501
gfs2: fsid=syz:syz.0: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/util.c:340!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5935 Comm: syz.1.17 Not tainted 6.6.94-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:gfs2_withdraw+0x141c/0x14b0 fs/gfs2/util.c:340
Code: f8 ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 2b f9 ff ff 48 8b 7c 24 10 e8 6e c2 35 fe e9 1c f9 ff ff e8 64 1b dd fd <0f> 0b 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c c4 fb ff ff 48
RSP: 0018:ffffc90004cdf320 EFLAGS: 00010283
RAX: ffffffff83a87a6c RBX: ffffc90004cdf3e0 RCX: 0000000000080000
RDX: ffffc9000ddfe000 RSI: 000000000003a307 RDI: 000000000003a308
RBP: ffffc90004cdf4b8 R08: ffffc90004cdef27 R09: 1ffff9200099bde4
R10: dffffc0000000000 R11: fffff5200099bde5 R12: 1ffff1100f2a2015
R13: dffffc0000000000 R14: 0000000000000004 R15: ffff888079510000
FS: 00007f3c05bde6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055733335bc90 CR3: 000000007ae09000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
gfs2_meta_check_ii+0x72/0x90 fs/gfs2/util.c:499
gfs2_metatype_check_i fs/gfs2/util.h:126 [inline]
gfs2_meta_buffer+0x236/0x310 fs/gfs2/meta_io.c:501
gfs2_meta_inode_buffer fs/gfs2/meta_io.h:72 [inline]
gfs2_inode_refresh+0xbb/0xff0 fs/gfs2/glops.c:488
gfs2_instantiate+0x162/0x220 fs/gfs2/glock.c:483
gfs2_glock_holder_ready fs/gfs2/glock.c:1364 [inline]
gfs2_glock_wait+0x1d4/0x2a0 fs/gfs2/glock.c:1384
gfs2_glock_nq_init fs/gfs2/glock.h:252 [inline]
gfs2_lookupi+0x35b/0x5a0 fs/gfs2/inode.c:328
gfs2_lookup_meta+0xa8/0x170 fs/gfs2/inode.c:279
init_journal+0x1a0/0x2260 fs/gfs2/ops_fstype.c:743
init_inodes+0xdb/0x320 fs/gfs2/ops_fstype.c:886
gfs2_fill_super+0x1815/0x1f80 fs/gfs2/ops_fstype.c:1266
get_tree_bdev+0x3e4/0x510 fs/super.c:1591
gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1344
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3366
do_mount fs/namespace.c:3706 [inline]
__do_sys_mount fs/namespace.c:3915 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3892
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3c05d900ca
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:00007f3c05bdde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3c05bddef0 RCX: 00007f3c05d900ca
RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f3c05bddeb0
RBP: 0000200000037f40 R08: 00007f3c05bddef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
R13: 00007f3c05bddeb0 R14: 0000000000037f14 R15: 0000200000000200
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_withdraw+0x141c/0x14b0 fs/gfs2/util.c:340
Code: f8 ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 2b f9 ff ff 48 8b 7c 24 10 e8 6e c2 35 fe e9 1c f9 ff ff e8 64 1b dd fd <0f> 0b 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c c4 fb ff ff 48
RSP: 0018:ffffc90004cdf320 EFLAGS: 00010283
RAX: ffffffff83a87a6c RBX: ffffc90004cdf3e0 RCX: 0000000000080000
RDX: ffffc9000ddfe000 RSI: 000000000003a307 RDI: 000000000003a308
RBP: ffffc90004cdf4b8 R08: ffffc90004cdef27 R09: 1ffff9200099bde4
R10: dffffc0000000000 R11: fffff5200099bde5 R12: 1ffff1100f2a2015
R13: dffffc0000000000 R14: 0000000000000004 R15: ffff888079510000
FS: 00007f3c05bde6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055733335bc90 CR3: 000000007ae09000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400