UDF-fs: error (device loop2): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6401 at fs/udf/truncate.c:224 udf_truncate_extents+0xd46/0xeb0 fs/udf/truncate.c:224 Modules linked in: CPU: 0 PID: 6401 Comm: syz.2.158 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:udf_truncate_extents+0xd46/0xeb0 fs/udf/truncate.c:224 Code: 65 48 8b 04 25 28 00 00 00 48 3b 84 24 80 01 00 00 75 70 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 5a 7f 8d fe <0f> 0b eb 8e 44 89 e9 80 e1 07 38 c1 0f 8c ec f3 ff ff 4c 89 ef e8 RSP: 0018:ffffc90018cb6ee0 EFLAGS: 00010293 RAX: ffffffff82f82ba6 RBX: 1ffff11009fa10d5 RCX: ffff888022bb5a00 RDX: 0000000000000000 RSI: 0000000000000120 RDI: 0000000000000000 RBP: ffffc90018cb70c0 R08: ffff888022bb5a00 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000120 R15: 0000000000000120 FS: 00007f2d6cffe6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c45a68c CR3: 000000005ead1000 CR4: 00000000003506f0 Call Trace: udf_write_failed+0x180/0x1b0 fs/udf/inode.c:178 udf_write_begin+0x21f/0x430 fs/udf/inode.c:264 generic_perform_write+0x2fb/0x5b0 mm/filemap.c:4031 udf_file_write_iter+0x2c0/0x620 fs/udf/file.c:111 __kernel_write_iter+0x274/0x670 fs/read_write.c:517 __kernel_write+0xf0/0x140 fs/read_write.c:537 __dump_emit+0x206/0x310 fs/coredump.c:882 elf_core_dump+0x2b53/0x36e0 fs/binfmt_elf.c:2163 do_coredump+0x1755/0x2480 fs/coredump.c:833 get_signal+0x1133/0x1400 kernel/signal.c:2888 arch_do_signal_or_restart+0x9c/0x7b0 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:315 exc_page_fault+0x8f/0x110 arch/x86/mm/fault.c:1524 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608 RIP: 0033:0x7f2d6c18f751 Code: 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 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f RSP: 002b:fffffffffffffe70 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f2d6c3e6090 RCX: 00007f2d6c18f749 RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000 RBP: 00007f2d6c213f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f2d6c3e6128 R14: 00007f2d6c3e6090 R15: 00007ffc822113e8