(syz.0.373,7016,0):ocfs2_assign_bh:2417 ERROR: status = -5 (syz.0.373,7016,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -5 (syz.0.373,7016,0):ocfs2_shutdown_local_alloc:412 ERROR: status = -5 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/journal.c:1034! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 7016 Comm: syz.0.373 Not tainted syzkaller #0 PREEMPT(full) 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+0x33f/0x350 fs/ocfs2/journal.c:1034 Code: ff ff e8 44 0f da 07 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4e fe ff ff 48 89 df e8 9c 62 82 fe e9 41 fe ff ff e8 a2 66 1d fe 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000e6cf000 EFLAGS: 00010293 RAX: ffffffff83a257ce RBX: 00000000ffffffff RCX: ffff88801cacc880 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc9000e6cf0b0 R08: ffffffff8fc3c937 R09: 1ffffffff1f87926 R10: dffffc0000000000 R11: fffffbfff1f87927 R12: 1ffff1100238610a R13: ffff88804cf8d600 R14: ffff88804fe11800 R15: ffff888011c30850 FS: 00007fd700dd26c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff511798d58 CR3: 000000003f4c6000 CR4: 0000000000352ef0 Call Trace: ocfs2_journal_shutdown+0x544/0xaf0 fs/ocfs2/journal.c:1116 ocfs2_mount_volume fs/ocfs2/super.c:1785 [inline] ocfs2_fill_super+0x5595/0x63c0 fs/ocfs2/super.c:1083 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1692 vfs_get_tree+0x92/0x2b0 fs/super.c:1815 do_new_mount+0x2a2/0x9e0 fs/namespace.c:3808 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4324 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd6fff7feba 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:00007fd700dd1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fd700dd1ef0 RCX: 00007fd6fff7feba RDX: 0000000020004440 RSI: 0000000020000040 RDI: 00007fd700dd1eb0 RBP: 0000000020004440 R08: 00007fd700dd1ef0 R09: 00000000000008c0 R10: 00000000000008c0 R11: 0000000000000246 R12: 0000000020000040 R13: 00007fd700dd1eb0 R14: 000000000000442a R15: 0000000020000380 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_journal_toggle_dirty+0x33f/0x350 fs/ocfs2/journal.c:1034 Code: ff ff e8 44 0f da 07 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4e fe ff ff 48 89 df e8 9c 62 82 fe e9 41 fe ff ff e8 a2 66 1d fe 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000e6cf000 EFLAGS: 00010293 RAX: ffffffff83a257ce RBX: 00000000ffffffff RCX: ffff88801cacc880 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc9000e6cf0b0 R08: ffffffff8fc3c937 R09: 1ffffffff1f87926 R10: dffffc0000000000 R11: fffffbfff1f87927 R12: 1ffff1100238610a R13: ffff88804cf8d600 R14: ffff88804fe11800 R15: ffff888011c30850 FS: 00007fd700dd26c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3981c59df8 CR3: 000000003f4c6000 CR4: 0000000000352ef0