loop0: detected capacity change from 0 to 1024 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: warning (device loop0): udf_update_inode: IO error syncing udf inode [00000347] ------------[ cut here ]------------ !buffer_uptodate(bh) WARNING: fs/buffer.c:1180 at mark_buffer_dirty+0x299/0x440 fs/buffer.c:1180, CPU#0: syz.0.0/5318 Modules linked in: CPU: 0 UID: 0 PID: 5318 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:mark_buffer_dirty+0x299/0x440 fs/buffer.c:1180 Code: 4c 89 f7 e8 e9 fc d9 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 c4 60 fb ff e8 7f 1c 6e ff eb 8c e8 78 1c 6e ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 6a 1c 6e ff 90 0f 0b 90 e9 cf fd ff ff RSP: 0018:ffffc9000e32f5d0 EFLAGS: 00010283 RAX: ffffffff8257b318 RBX: ffff888047e2ebc8 RCX: 0000000000100000 RDX: ffffc9000eb62000 RSI: 0000000000000a57 RDI: 0000000000000a58 RBP: ffffc9000e32f801 R08: ffff888047e2ebcf R09: 1ffff11008fc5d79 R10: dffffc0000000000 R11: ffffed1008fc5d7a R12: ffff8880126e8000 R13: 00000000000000bf R14: 000000000000017f R15: ffffc9000e32f950 FS: 00007f14e25e06c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f14d560fe00 CR3: 0000000041faa000 CR4: 0000000000352ef0 Call Trace: udf_bitmap_new_block fs/udf/balloc.c:347 [inline] udf_new_block+0x183b/0x1c70 fs/udf/balloc.c:721 udf_add_aext fs/udf/inode.c:2131 [inline] udf_do_extend_file+0x878/0x11e0 fs/udf/inode.c:588 udf_extend_file fs/udf/inode.c:709 [inline] udf_setsize+0xbf3/0x10b0 fs/udf/inode.c:1297 udf_setattr+0x3a1/0x5a0 fs/udf/file.c:238 notify_change+0xc1a/0xf40 fs/attr.c:556 do_truncate+0x1c2/0x250 fs/open.c:68 vfs_truncate+0x4b4/0x540 fs/open.c:118 do_sys_truncate+0xf3/0x1c0 fs/open.c:142 __do_sys_truncate fs/open.c:154 [inline] __se_sys_truncate fs/open.c:152 [inline] __x64_sys_truncate+0x5b/0x70 fs/open.c:152 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f14e179c819 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:00007f14e25dffe8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007f14e1a15fa0 RCX: 00007f14e179c819 RDX: 0000000000000000 RSI: 00000020fdfffffe RDI: 0000200000000100 RBP: 00007f14e1832c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f14e1a16038 R14: 00007f14e1a15fa0 R15: 00007ffe7a99f7e8