UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 98: 0x1f != 0x1e UDF-fs: warning (device loop0): udf_verify_domain_identifier: Not OSTA UDF compliant logical volume descriptor. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4489 at mm/page_alloc.c:5449 __alloc_pages+0x2b4/0x470 mm/page_alloc.c:5449 Modules linked in: CPU: 0 PID: 4489 Comm: syz.0.54 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 22400005 (nzCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0x2b4/0x470 mm/page_alloc.c:5449 lr : __alloc_pages+0xac/0x470 mm/page_alloc.c:5442 sp : ffff8000225f7020 x29: ffff8000225f70f0 x28: 1ffff000035c4a80 x27: ffff8000225f7040 x26: ffff80001ae25400 x25: dfff800000000000 x24: ffff7000044bee08 x23: ffff80001ae25404 x22: 0000000000000000 x21: 0000000000040dc0 x20: 0000000000000000 x19: 0000000000000013 x18: 0000000000000000 x17: 0000000000000002 x16: ffff800008811554 x15: 0000000000000005 x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000000005 x11: 1ffff000044bee0c x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff8000225f7088 x7 : 0000000000000000 x6 : 0000000000000001 x5 : ffff8000225f6a58 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff8000225f7060 Call trace: __alloc_pages+0x2b4/0x470 mm/page_alloc.c:5449 alloc_pages+0x34c/0x5c0 mm/mempolicy.c:-1 kmalloc_order+0x40/0x160 mm/slab_common.c:986 kmalloc_order_trace+0x30/0x244 mm/slab_common.c:1002 kmalloc_large include/linux/slab.h:533 [inline] __kmalloc+0x318/0x44c mm/slub.c:4396 kmalloc_array include/linux/slab.h:644 [inline] kcalloc include/linux/slab.h:673 [inline] udf_sb_alloc_partition_maps fs/udf/super.c:260 [inline] udf_load_logicalvol fs/udf/super.c:1435 [inline] udf_process_sequence+0x1760/0x3a68 fs/udf/super.c:1791 udf_load_sequence fs/udf/super.c:1838 [inline] udf_check_anchor_block+0x2dc/0x584 fs/udf/super.c:1878 udf_scan_anchors+0x124/0x4f4 fs/udf/super.c:1911 udf_find_anchor fs/udf/super.c:1968 [inline] udf_load_vrs+0x158/0xa18 fs/udf/super.c:2033 udf_fill_super+0x554/0x1464 fs/udf/super.c:2211 mount_bdev+0x264/0x358 fs/super.c:1400 udf_mount+0x44/0x58 fs/udf/super.c:129 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1530 do_new_mount+0x228/0x810 fs/namespace.c:3014 path_mount+0x5b4/0x1000 fs/namespace.c:3344 do_mount fs/namespace.c:3357 [inline] __do_sys_mount fs/namespace.c:3565 [inline] __se_sys_mount fs/namespace.c:3542 [inline] __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3542 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 5782 hardirqs last enabled at (5781): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (5782): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (5360): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (5358): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 4667c8ee8aca366f ]--- UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop0): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop0): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop0): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop0): udf_fill_super: No partition found (1)