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: 1 PID: 5339 at mm/page_alloc.c:5590 __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 Modules linked in: CPU: 1 PID: 5339 Comm: syz.0.17 Not tainted 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+0xd0/0x53c mm/page_alloc.c:5590 lr : __alloc_pages+0xac/0x53c mm/page_alloc.c:5584 sp : ffff8000210a7120 x29: ffff8000210a71f0 x28: ffff700004214e7c x27: ffff8000210a7140 x26: ffff8000210a7980 x25: dfff800000000000 x24: ffff700004214e28 x23: ffff0000e2e54e80 x22: 0000000000000000 x21: 0000000000040dc0 x20: 0000000000000000 x19: 0000000000000013 x18: 00000000000000ff x17: 6f4e203a72656966 x16: ffff8000082d22b0 x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000005 x11: 1ffff00004214e2c x10: 0000000000000000 x9 : 0000000000000001 x8 : ffff800017a78000 x7 : 0000000000000000 x6 : 0000000000000001 x5 : ffff8000210a6c58 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __alloc_pages+0xd0/0x53c mm/page_alloc.c:5590 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0xa8/0x1e0 mm/slab_common.c:1077 __do_kmalloc_node mm/slab_common.c:924 [inline] __kmalloc+0x140/0x178 mm/slab_common.c:949 kmalloc_array include/linux/slab.h:615 [inline] kcalloc include/linux/slab.h:646 [inline] udf_sb_alloc_partition_maps fs/udf/super.c:260 [inline] udf_load_logicalvol fs/udf/super.c:1434 [inline] udf_process_sequence+0x1774/0x3a94 fs/udf/super.c:1790 udf_load_sequence fs/udf/super.c:1837 [inline] udf_check_anchor_block+0x2c4/0x56c fs/udf/super.c:1876 udf_scan_anchors+0x124/0x4dc fs/udf/super.c:1909 udf_find_anchor fs/udf/super.c:1965 [inline] udf_load_vrs+0x158/0x9f4 fs/udf/super.c:2030 udf_fill_super+0x538/0x13c8 fs/udf/super.c:2208 mount_bdev+0x264/0x358 fs/super.c:1443 udf_mount+0x44/0x58 fs/udf/super.c:129 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3063 path_mount+0x5b4/0xe78 fs/namespace.c:3393 do_mount fs/namespace.c:3406 [inline] __do_sys_mount fs/namespace.c:3614 [inline] __se_sys_mount fs/namespace.c:3591 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3591 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 5522 hardirqs last enabled at (5521): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (5522): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (5438): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (5438): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (5429): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- 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)