Buffer I/O error on dev loop0, logical block 21088, async page read Buffer I/O error on dev loop0, logical block 21089, async page read Buffer I/O error on dev loop0, logical block 21090, async page read Buffer I/O error on dev loop0, logical block 21091, async page read Buffer I/O error on dev loop0, logical block 21092, async page read Buffer I/O error on dev loop0, logical block 21093, async page read Buffer I/O error on dev loop0, logical block 21094, async page read Buffer I/O error on dev loop0, logical block 21095, async page read (syz.0.0,5333,0):ocfs2_truncate_file:461 ERROR: bug expression: le64_to_cpu(fe->i_size) != i_size_read(inode) (syz.0.0,5333,0):ocfs2_truncate_file:461 ERROR: Inode 17058, inode i_size = 4259840 != di i_size = 4194304, i_flags = 0x2001 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/file.c:461! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 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_truncate_file+0x135e/0x1530 fs/ocfs2/file.c:455 Code: 0c 13 8c 49 89 d8 4d 89 f1 50 41 54 e8 8b cb 17 00 48 83 c4 10 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 48 c6 44 01 18 f8 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 28 f8 ff ff 48 89 df e8 RSP: 0018:ffffc9000dc9f3c0 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: 00000000000042a2 RCX: 1ffff92001b93e88 RDX: ffffc90020802000 RSI: 000000000004f046 RDI: 000000000004f047 RBP: ffffc9000dc9f5f0 R08: ffff88801fc24713 R09: 1ffff11003f848e2 R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 0000000000400000 R13: ffff888057c1e42c R14: 0000000000410000 R15: ffffc9000dc9f500 FS: 00007f18981d46c0(0000) GS:ffff88808c883000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f18979b0fe8 CR3: 0000000043722000 CR4: 0000000000352ef0 Call Trace: ocfs2_setattr+0x1641/0x1d10 fs/ocfs2/file.c:1219 notify_change+0xbba/0xea0 fs/attr.c:556 do_truncate+0x1c2/0x250 fs/open.c:68 handle_truncate fs/namei.c:4305 [inline] do_open fs/namei.c:4704 [inline] path_openat+0x2fed/0x3830 fs/namei.c:4859 do_file_open+0x23e/0x4a0 fs/namei.c:4888 do_sys_openat2+0x115/0x200 fs/open.c:1395 do_sys_open fs/open.c:1401 [inline] __do_sys_open fs/open.c:1409 [inline] __se_sys_open fs/open.c:1405 [inline] __x64_sys_open+0x11e/0x150 fs/open.c:1405 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: 0033:0x7f189bd9ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f18981d3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f189c016180 RCX: 00007f189bd9ce59 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f189be32d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f189c016218 R14: 00007f189c016180 R15: 00007ffcb7f334c8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_truncate_file+0x135e/0x1530 fs/ocfs2/file.c:455 Code: 0c 13 8c 49 89 d8 4d 89 f1 50 41 54 e8 8b cb 17 00 48 83 c4 10 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 48 c6 44 01 18 f8 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 28 f8 ff ff 48 89 df e8 RSP: 0018:ffffc9000dc9f3c0 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: 00000000000042a2 RCX: 1ffff92001b93e88 RDX: ffffc90020802000 RSI: 000000000004f046 RDI: 000000000004f047 RBP: ffffc9000dc9f5f0 R08: ffff88801fc24713 R09: 1ffff11003f848e2 R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 0000000000400000 R13: ffff888057c1e42c R14: 0000000000410000 R15: ffffc9000dc9f500 FS: 00007f18981d46c0(0000) GS:ffff88808c883000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f18979b0fe8 CR3: 0000000043722000 CR4: 0000000000352ef0