(syz.0.219,6696,0):ocfs2_check_volume:2417 ERROR: status = -30 (syz.0.219,6696,0):ocfs2_check_volume:2429 ERROR: status = -30 (syz.0.219,6696,0):ocfs2_mount_volume:1764 ERROR: status = -30 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/journal.c:1012! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 6696 Comm: syz.0.219 Not tainted 6.14.0-rc7-syzkaller-g81e4f8d68c66 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ocfs2_journal_toggle_dirty+0x397/0x3a0 fs/ocfs2/journal.c:1012 Code: 69 fe e9 f7 fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 2a fe ff ff 48 89 df e8 94 6a 69 fe e9 1d fe ff ff e8 2a 2b 02 fe 90 <0f> 0b e8 c2 47 49 08 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d09efe0 EFLAGS: 00010293 RAX: ffffffff83bfb556 RBX: 00000000ffffffff RCX: ffff888000742440 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc9000d09f0b0 R08: ffffffff83bfb2c0 R09: 1ffffffff28a9b2c R10: dffffc0000000000 R11: fffffbfff28a9b2d R12: dffffc0000000000 R13: ffff8880455e70e8 R14: ffff88804df4d600 R15: 1ffff92001a13e04 FS: 00007f011096f6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fda6b600000 CR3: 000000004498e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_journal_shutdown+0x479/0xc10 fs/ocfs2/journal.c:1094 ocfs2_mount_volume fs/ocfs2/super.c:1785 [inline] ocfs2_fill_super+0x68f1/0x74d0 fs/ocfs2/super.c:1083 get_tree_bdev_flags+0x48c/0x5c0 fs/super.c:1636 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f010fb8e90a 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:00007f011096ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f011096eef0 RCX: 00007f010fb8e90a RDX: 0000400000004440 RSI: 0000400000000040 RDI: 00007f011096eeb0 RBP: 0000400000004440 R08: 00007f011096eef0 R09: 00000000000008c0 R10: 00000000000008c0 R11: 0000000000000246 R12: 0000400000000040 R13: 00007f011096eeb0 R14: 000000000000442d R15: 0000400000000400 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_journal_toggle_dirty+0x397/0x3a0 fs/ocfs2/journal.c:1012 Code: 69 fe e9 f7 fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 2a fe ff ff 48 89 df e8 94 6a 69 fe e9 1d fe ff ff e8 2a 2b 02 fe 90 <0f> 0b e8 c2 47 49 08 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d09efe0 EFLAGS: 00010293 RAX: ffffffff83bfb556 RBX: 00000000ffffffff RCX: ffff888000742440 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc9000d09f0b0 R08: ffffffff83bfb2c0 R09: 1ffffffff28a9b2c R10: dffffc0000000000 R11: fffffbfff28a9b2d R12: dffffc0000000000 R13: ffff8880455e70e8 R14: ffff88804df4d600 R15: 1ffff92001a13e04 FS: 00007f011096f6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f241d472000 CR3: 000000004498e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400