gfs2: fsid=syz:syz.s: G: s:SH n:2/13 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:5 gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:4876 [syz.1.117] init_journal+0x1816/0x2300 fs/gfs2/ops_fstype.c:830 gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:8388608 p:0 gfs2: fsid=syz:syz.s: about to withdraw this file system ------------[ cut here ]------------ kernel BUG at fs/gfs2/util.c:352! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4876 Comm: syz.1.117 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:gfs2_withdraw+0x16ec/0x1780 fs/gfs2/util.c:352 Code: f9 ff ff 48 8b 4c 24 20 80 e1 07 80 c1 03 38 c1 0f 8c ae f9 ff ff 48 8b 7c 24 20 e8 1e 2c 3d fe e9 9f f9 ff ff e8 e4 0a ed fd <0f> 0b 48 8b 4c 24 20 80 e1 07 80 c1 03 38 c1 0f 8c 01 fa ff ff 48 RSP: 0018:ffffc9000c50f5e0 EFLAGS: 00010283 RAX: ffffffff8393c5ac RBX: 1ffff920018a1ed0 RCX: 0000000000080000 RDX: ffffc9000ef7a000 RSI: 0000000000058aa7 RDI: 0000000000058aa8 RBP: ffffc9000c50f750 R08: dffffc0000000000 R09: fffff520018a1e5d R10: fffff520018a1e5d R11: 1ffff920018a1e5c R12: 1ffff1100a87c057 R13: ffffffff8ad26aa0 R14: 0000000000000004 R15: ffff8880543e02bc FS: 00007f111afd56c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faaab2d6fd8 CR3: 0000000054682000 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 check_journal_clean+0x155/0x300 fs/gfs2/util.c:69 init_journal+0x1816/0x2300 fs/gfs2/ops_fstype.c:830 init_inodes+0xdb/0x320 fs/gfs2/ops_fstype.c:889 gfs2_fill_super+0x1718/0x1f80 fs/gfs2/ops_fstype.c:1246 get_tree_bdev+0x3f1/0x610 fs/super.c:1366 gfs2_get_tree+0x4d/0x1e0 fs/gfs2/ops_fstype.c:1327 vfs_get_tree+0x88/0x270 fs/super.c:1573 do_new_mount+0x24a/0xa40 fs/namespace.c:3069 do_mount fs/namespace.c:3412 [inline] __do_sys_mount fs/namespace.c:3620 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3597 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f111cd9034a 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:00007f111afd4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f111afd4ef0 RCX: 00007f111cd9034a RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f111afd4eb0 RBP: 0000200000000400 R08: 00007f111afd4ef0 R09: 0000000000200000 R10: 0000000000200000 R11: 0000000000000246 R12: 0000200000012500 R13: 00007f111afd4eb0 R14: 0000000000012615 R15: 0000200000000f40 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:gfs2_withdraw+0x16ec/0x1780 fs/gfs2/util.c:352 Code: f9 ff ff 48 8b 4c 24 20 80 e1 07 80 c1 03 38 c1 0f 8c ae f9 ff ff 48 8b 7c 24 20 e8 1e 2c 3d fe e9 9f f9 ff ff e8 e4 0a ed fd <0f> 0b 48 8b 4c 24 20 80 e1 07 80 c1 03 38 c1 0f 8c 01 fa ff ff 48 RSP: 0018:ffffc9000c50f5e0 EFLAGS: 00010283 RAX: ffffffff8393c5ac RBX: 1ffff920018a1ed0 RCX: 0000000000080000 RDX: ffffc9000ef7a000 RSI: 0000000000058aa7 RDI: 0000000000058aa8 RBP: ffffc9000c50f750 R08: dffffc0000000000 R09: fffff520018a1e5d R10: fffff520018a1e5d R11: 1ffff920018a1e5c R12: 1ffff1100a87c057 R13: ffffffff8ad26aa0 R14: 0000000000000004 R15: ffff8880543e02bc FS: 00007f111afd56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558f25b5c8 CR3: 0000000054682000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400