loop0: detected capacity change from 0 to 32768 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/inode.c:414! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5865 Comm: syz.0.15 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:ocfs2_populate_inode+0x178e/0x17a0 fs/ocfs2/inode.c:414 Code: c7 80 d0 9b 8e be 04 00 00 00 e8 8d 3c e4 fd 65 49 ff 44 24 08 48 8b 5c 24 10 4c 8b 64 24 28 e9 ca f1 ff ff e8 d3 bd ff fd 90 <0f> 0b e8 cb bd ff fd 90 0f 0b 90 e9 c3 fe ff ff 66 90 90 90 90 90 RSP: 0018:ffffc9000182eae0 EFLAGS: 00010293 RAX: ffffffff83c6083d RBX: ffff88801cd8dc60 RCX: ffff888012544a80 RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000000 RBP: ffffc9000182ec10 R08: ffffffff90304ff7 R09: 1ffffffff20609fe R10: dffffc0000000000 R11: fffffbfff20609ff R12: ffff88801212ee2c R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000000 FS: 00007efd76b986c0(0000) GS:ffff88808c891000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffceab1cef0 CR3: 0000000043a38000 CR4: 0000000000352ef0 Call Trace: ocfs2_read_locked_inode fs/ocfs2/inode.c:620 [inline] ocfs2_iget+0xe22/0x1b50 fs/ocfs2/inode.c:157 _ocfs2_get_system_file_inode fs/ocfs2/sysfile.c:142 [inline] ocfs2_get_system_file_inode+0x360/0x7e0 fs/ocfs2/sysfile.c:112 ocfs2_init_global_system_inodes+0x2f6/0x6e0 fs/ocfs2/super.c:461 ocfs2_initialize_super fs/ocfs2/super.c:2196 [inline] ocfs2_fill_super+0x45ac/0x6970 fs/ocfs2/super.c:993 get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1694 vfs_get_tree+0x92/0x2a0 fs/super.c:1754 fc_mount fs/namespace.c:1193 [inline] do_new_mount_fc fs/namespace.c:3758 [inline] do_new_mount+0x341/0xd30 fs/namespace.c:3834 do_mount fs/namespace.c:4167 [inline] __do_sys_mount fs/namespace.c:4383 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4360 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efd75d88e0a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efd76b97e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007efd76b97ee0 RCX: 00007efd75d88e0a RDX: 0000000020004480 RSI: 00000000200044c0 RDI: 00007efd76b97ea0 RBP: 0000000020004480 R08: 00007efd76b97ee0 R09: 0000000000800401 R10: 0000000000800401 R11: 0000000000000246 R12: 00000000200044c0 R13: 00007efd76b97ea0 R14: 000000000000447c R15: 0000000020000080 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_populate_inode+0x178e/0x17a0 fs/ocfs2/inode.c:414 Code: c7 80 d0 9b 8e be 04 00 00 00 e8 8d 3c e4 fd 65 49 ff 44 24 08 48 8b 5c 24 10 4c 8b 64 24 28 e9 ca f1 ff ff e8 d3 bd ff fd 90 <0f> 0b e8 cb bd ff fd 90 0f 0b 90 e9 c3 fe ff ff 66 90 90 90 90 90 RSP: 0018:ffffc9000182eae0 EFLAGS: 00010293 RAX: ffffffff83c6083d RBX: ffff88801cd8dc60 RCX: ffff888012544a80 RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000000 RBP: ffffc9000182ec10 R08: ffffffff90304ff7 R09: 1ffffffff20609fe R10: dffffc0000000000 R11: fffffbfff20609ff R12: ffff88801212ee2c R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000000 FS: 00007efd76b986c0(0000) GS:ffff88808c891000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe224f50e8 CR3: 0000000043a38000 CR4: 0000000000352ef0