function = gfs2_jdesc_check, file = fs/gfs2/super.c, line = 115 gfs2: fsid=}.0: about to withdraw this file system ------------[ cut here ]------------ kernel BUG at fs/gfs2/util.c:341! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8919 Comm: syz.5.1322 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:gfs2_withdraw+0x13d4/0x1460 fs/gfs2/util.c:341 Code: e9 68 f9 ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c d4 f9 ff ff 48 8b 3c 24 e8 d6 91 50 fe e9 c6 f9 ff ff e8 ac 1e 0b fe <0f> 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 34 fa ff ff 48 8b RSP: 0018:ffffc90002e2f720 EFLAGS: 00010287 RAX: ffffffff836c9f64 RBX: ffff8880476a0000 RCX: 0000000000080000 RDX: ffffc90015407000 RSI: 000000000006d80e RDI: 000000000006d80f RBP: ffffc90002e2f870 R08: dffffc0000000000 R09: ffffed1017224f24 R10: ffffed1017224f24 R11: 1ffff11017224f23 R12: dffffc0000000000 R13: 1ffff920005c5ef4 R14: ffff8880476a02bc R15: 0000000000000004 FS: 00007fc670f2a6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c35e0a2 CR3: 0000000024250000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_jdesc_check+0x137/0x290 fs/gfs2/super.c:-1 init_journal+0xc78/0x2220 fs/gfs2/ops_fstype.c:806 init_inodes+0xdb/0x320 fs/gfs2/ops_fstype.c:891 gfs2_fill_super+0x1701/0x1f50 fs/gfs2/ops_fstype.c:1249 get_tree_bdev+0x3f1/0x610 fs/super.c:1325 gfs2_get_tree+0x4d/0x1e0 fs/gfs2/ops_fstype.c:1332 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3013 do_mount fs/namespace.c:3356 [inline] __do_sys_mount fs/namespace.c:3564 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3541 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fc6730c410a 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:00007fc670f29e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc670f29ef0 RCX: 00007fc6730c410a RDX: 0000200000000200 RSI: 0000200000000040 RDI: 00007fc670f29eb0 RBP: 0000200000000200 R08: 00007fc670f29ef0 R09: 0000000000000859 R10: 0000000000000859 R11: 0000000000000246 R12: 0000200000000040 R13: 00007fc670f29eb0 R14: 0000000000012785 R15: 0000200000000340 Modules linked in: ---[ end trace d3a8464bc6ab9031 ]--- RIP: 0010:gfs2_withdraw+0x13d4/0x1460 fs/gfs2/util.c:341 Code: e9 68 f9 ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c d4 f9 ff ff 48 8b 3c 24 e8 d6 91 50 fe e9 c6 f9 ff ff e8 ac 1e 0b fe <0f> 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 34 fa ff ff 48 8b RSP: 0018:ffffc90002e2f720 EFLAGS: 00010287 RAX: ffffffff836c9f64 RBX: ffff8880476a0000 RCX: 0000000000080000 RDX: ffffc90015407000 RSI: 000000000006d80e RDI: 000000000006d80f RBP: ffffc90002e2f870 R08: dffffc0000000000 R09: ffffed1017224f24 R10: ffffed1017224f24 R11: 1ffff11017224f23 R12: dffffc0000000000 R13: 1ffff920005c5ef4 R14: ffff8880476a02bc R15: 0000000000000004 FS: 00007fc670f2a6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdfbbbb8ab8 CR3: 0000000024250000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400