Buffer I/O error on dev loop0, logical block 20256, async page read Buffer I/O error on dev loop0, logical block 20257, async page read Buffer I/O error on dev loop0, logical block 20258, async page read Buffer I/O error on dev loop0, logical block 20259, async page read Buffer I/O error on dev loop0, logical block 20260, async page read Buffer I/O error on dev loop0, logical block 20261, async page read Buffer I/O error on dev loop0, logical block 20262, async page read Buffer I/O error on dev loop0, logical block 20263, async page read (syz.0.0,5337,0):ocfs2_truncate_file:461 ERROR: bug expression: le64_to_cpu(fe->i_size) != i_size_read(inode) (syz.0.0,5337,0):ocfs2_truncate_file:461 ERROR: Inode 17059, inode i_size = 2560000 != di i_size = 2555904, 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: 5337 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+0x1313/0x14e0 fs/ocfs2/file.c:455 Code: d5 12 8c 49 89 d8 4d 89 f9 50 41 54 e8 c6 cb 17 00 48 83 c4 10 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 20 c6 44 01 18 f8 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 5c f8 ff ff 48 89 df e8 RSP: 0018:ffffc9000dc6f2e0 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: 00000000000042a3 RCX: 1ffff92001b8de6c RDX: ffffc90020802000 RSI: 000000000002034d RDI: 000000000002034e RBP: ffffc9000dc6f510 R08: ffff88801fc247d3 R09: 1ffff11003f848fa R10: dffffc0000000000 R11: ffffed1003f848fb R12: 0000000000270000 R13: ffff8880564f962c R14: ffffc9000dc6f420 R15: 0000000000271000 FS: 00007ff53aaf96c0(0000) GS:ffff88808c885000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff53ab3b008 CR3: 000000001fce1000 CR4: 0000000000352ef0 Call Trace: ocfs2_setattr+0x15e5/0x1ca0 fs/ocfs2/file.c:1219 notify_change+0xc1a/0xf40 fs/attr.c:556 do_truncate+0x1c2/0x250 fs/open.c:68 handle_truncate fs/namei.c:4307 [inline] do_open fs/namei.c:4703 [inline] path_openat+0x2f89/0x3860 fs/namei.c:4858 do_file_open+0x23e/0x4a0 fs/namei.c:4887 do_sys_openat2+0x113/0x200 fs/open.c:1364 do_sys_open fs/open.c:1370 [inline] __do_sys_openat fs/open.c:1386 [inline] __se_sys_openat fs/open.c:1381 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1381 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff539b9cdd9 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:00007ff53aaf8fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ff539e16180 RCX: 00007ff539b9cdd9 RDX: 0000000000181242 RSI: 0000200000000040 RDI: ffffffffffffff9c RBP: 00007ff539c32d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff539e16218 R14: 00007ff539e16180 R15: 00007ffe79622c08 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_truncate_file+0x1313/0x14e0 fs/ocfs2/file.c:455 Code: d5 12 8c 49 89 d8 4d 89 f9 50 41 54 e8 c6 cb 17 00 48 83 c4 10 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 20 c6 44 01 18 f8 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 5c f8 ff ff 48 89 df e8 RSP: 0018:ffffc9000dc6f2e0 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: 00000000000042a3 RCX: 1ffff92001b8de6c RDX: ffffc90020802000 RSI: 000000000002034d RDI: 000000000002034e RBP: ffffc9000dc6f510 R08: ffff88801fc247d3 R09: 1ffff11003f848fa R10: dffffc0000000000 R11: ffffed1003f848fb R12: 0000000000270000 R13: ffff8880564f962c R14: ffffc9000dc6f420 R15: 0000000000271000 FS: 00007ff53aaf96c0(0000) GS:ffff88808c885000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff53ab3b008 CR3: 000000001fce1000 CR4: 0000000000352ef0