------------[ cut here ]------------ WARNING: CPU: 3 PID: 5263 at fs/udf/inode.c:2000 __udf_add_aext+0x65c/0x7d0 fs/udf/inode.c:2000 Modules linked in: CPU: 2 PID: 5263 Comm: syz-executor.1 Not tainted 6.2.0-rc2-syzkaller-00203-g1f5abbd77e2c #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__udf_add_aext+0x65c/0x7d0 fs/udf/inode.c:2000 Code: 5a 83 a4 fe 4c 8b 6c 24 18 4c 89 ff 48 8b 44 24 20 49 29 c5 4c 89 ee e8 92 7f a4 fe 4d 39 ef 0f 84 b3 fb ff ff e8 34 83 a4 fe <0f> 0b e9 a7 fb ff ff e8 28 83 a4 fe 48 8b 44 24 20 48 05 b0 00 00 RSP: 0018:ffffc90003abef38 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffffc90003abf290 RCX: ffffc90003bf1000 RDX: 0000000000040000 RSI: ffffffff82dbf07c RDI: 0000000000000006 RBP: ffff888028851840 R08: 0000000000000006 R09: 0000000000000150 R10: ffffffffffffff68 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffffffffff68 R14: 0000000000000010 R15: 0000000000000150 FS: 00007f065a2c5700(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f74fbe3f000 CR3: 000000002506e000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_add_aext+0x23f/0x2e0 fs/udf/inode.c:2062 udf_insert_aext fs/udf/inode.c:2223 [inline] udf_update_extents fs/udf/inode.c:1177 [inline] inode_getblk+0x22db/0x4010 fs/udf/inode.c:881 udf_get_block.part.0+0x26c/0x5b0 fs/udf/inode.c:444 udf_get_block+0x3a/0x210 fs/udf/inode.c:420 __block_write_begin_int+0x3bd/0x14b0 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0xb9/0x4d0 fs/buffer.c:2102 udf_write_begin+0x35/0xa0 fs/udf/inode.c:207 generic_perform_write+0x256/0x570 mm/filemap.c:3772 __generic_file_write_iter+0x2ae/0x500 mm/filemap.c:3900 udf_file_write_iter+0x2d0/0x650 fs/udf/file.c:170 call_write_iter include/linux/fs.h:2186 [inline] do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735 do_iter_write+0x182/0x700 fs/read_write.c:861 vfs_iter_write+0x74/0xa0 fs/read_write.c:902 iter_file_splice_write+0x745/0xc90 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x114/0x180 fs/splice.c:931 splice_direct_to_actor+0x335/0x8a0 fs/splice.c:886 do_splice_direct+0x1ab/0x280 fs/splice.c:974 do_sendfile+0xb19/0x1270 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1317 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x14d/0x210 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f065948c0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f065a2c5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f06595abf80 RCX: 00007f065948c0c9 RDX: 00000000200001c0 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007f06594e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 00008080ffffff80 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdf97e74f R14: 00007f065a2c5300 R15: 0000000000022000