loop0: detected capacity change from 0 to 2048 UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) capability: warning: `syz.0.0' uses deprecated v2 capabilities in a way that may be insecure ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5329 at fs/udf/inode.c:2080 __udf_add_aext+0x555/0x700 fs/udf/inode.c:2079 Modules linked in: CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__udf_add_aext+0x555/0x700 fs/udf/inode.c:2079 Code: eb d9 fe 49 8b 3c 24 4c 89 fe e8 46 64 fe fe 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec 24 70 fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 de 24 70 fe 90 0f 0b 90 e9 54 fc ff ff RSP: 0018:ffffc9000d1e7778 EFLAGS: 00010287 RAX: ffffffff8324b574 RBX: 1ffff92001a3cf71 RCX: 0000000000040000 RDX: ffffc9000d982000 RSI: 00000000000051ae RDI: 00000000000051af RBP: 00000000000001e0 R08: ffffffff8324b156 R09: ffffffff8324b086 R10: 0000000000000002 R11: ffff888000f88000 R12: ffffc9000d1e7b80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc9000d1e7b88 FS: 00007f6c5de996c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6c52fff000 CR3: 0000000042da0000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_setup_indirect_aext+0x7c0/0xb40 fs/udf/inode.c:2042 udf_add_aext fs/udf/inode.c:2132 [inline] udf_do_extend_file+0x8dd/0x1280 fs/udf/inode.c:584 udf_extend_file fs/udf/inode.c:705 [inline] udf_setsize+0xdb5/0x1450 fs/udf/inode.c:1292 udf_setattr+0x3c7/0x5d0 fs/udf/file.c:236 notify_change+0xbca/0xe90 fs/attr.c:503 do_truncate fs/open.c:65 [inline] do_ftruncate+0x462/0x580 fs/open.c:181 do_sys_ftruncate fs/open.c:199 [inline] __do_sys_ftruncate fs/open.c:207 [inline] __se_sys_ftruncate fs/open.c:205 [inline] __x64_sys_ftruncate+0x95/0xf0 fs/open.c:205 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6c5d17e719 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:00007f6c5de99038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f6c5d335f80 RCX: 00007f6c5d17e719 RDX: 0000000000000000 RSI: 0000008002007ffb RDI: 0000000000000004 RBP: 00007f6c5d1f139e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f6c5d335f80 R15: 00007ffda0c2e628