(syz.0.17,5495,0):ocfs2_truncate_file:460 ERROR: bug expression: le64_to_cpu(fe->i_size) != i_size_read(inode) (syz.0.17,5495,0):ocfs2_truncate_file:460 ERROR: Inode 17059, inode i_size = 38639 != di i_size = 0, i_flags = 0x0 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/file.c:460! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5495 Comm: syz.0.17 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_truncate_file+0x1267/0x1420 fs/ocfs2/file.c:454 Code: 00 4c 89 f7 48 c7 c6 09 14 92 8d ba cc 01 00 00 48 c7 c1 c0 2d ab 8b 49 89 d8 4d 89 f9 50 41 54 e8 3e 7c 16 00 48 83 c4 10 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e5 f8 ff ff 48 89 df e8 RSP: 0018:ffffc90002a2f320 EFLAGS: 00010282 RAX: 2913da45dc0e6e00 RBX: 00000000000042a3 RCX: 2913da45dc0e6e00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002a2f550 R08: ffff88801fc24293 R09: 1ffff11003f84852 R10: dffffc0000000000 R11: ffffed1003f84853 R12: 0000000000000000 R13: ffff888046cab62c R14: ffffc90002a2f460 R15: 00000000000096ef FS: 000055558b124500(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8773d310a2 CR3: 000000003f676000 CR4: 0000000000352ef0 Call Trace: ocfs2_setattr+0x1520/0x1b40 fs/ocfs2/file.c:1212 notify_change+0xc1a/0xf40 fs/attr.c:546 do_truncate+0x1a4/0x220 fs/open.c:68 handle_truncate fs/namei.c:3596 [inline] do_open fs/namei.c:3979 [inline] path_openat+0x306c/0x3830 fs/namei.c:4134 do_filp_open+0x1fa/0x410 fs/namei.c:4161 do_sys_openat2+0x121/0x1c0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_creat fs/open.c:1530 [inline] __se_sys_creat fs/open.c:1524 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1524 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0feed8eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fffccc35d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f0feefe5fa0 RCX: 00007f0feed8eec9 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000200000000080 RBP: 00007f0feee11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0feefe5fa0 R14: 00007f0feefe5fa0 R15: 0000000000000002 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_truncate_file+0x1267/0x1420 fs/ocfs2/file.c:454 Code: 00 4c 89 f7 48 c7 c6 09 14 92 8d ba cc 01 00 00 48 c7 c1 c0 2d ab 8b 49 89 d8 4d 89 f9 50 41 54 e8 3e 7c 16 00 48 83 c4 10 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e5 f8 ff ff 48 89 df e8 RSP: 0018:ffffc90002a2f320 EFLAGS: 00010282 RAX: 2913da45dc0e6e00 RBX: 00000000000042a3 RCX: 2913da45dc0e6e00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002a2f550 R08: ffff88801fc24293 R09: 1ffff11003f84852 R10: dffffc0000000000 R11: ffffed1003f84853 R12: 0000000000000000 R13: ffff888046cab62c R14: ffffc90002a2f460 R15: 00000000000096ef FS: 000055558b124500(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fadfd547000 CR3: 000000003f676000 CR4: 0000000000352ef0