RBP: 0000200000000140 R08: 00002000000000c0 R09: 0000000000000000 R10: 0000200000000140 R11: 0000000000000246 R12: 0000200000000280 R13: 00007f8496c57eb0 R14: 0000000000000000 R15: 0000000000000000 ------------[ cut here ]------------ WARNING: fs/udf/truncate.c:224 at udf_truncate_extents+0xd4c/0xec0 fs/udf/truncate.c:224, CPU#0: syz.7.1038/10240 Modules linked in: CPU: 0 UID: 0 PID: 10240 Comm: syz.7.1038 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:udf_truncate_extents+0xd4c/0xec0 fs/udf/truncate.c:224 Code: 98 3b 0f 48 3b 84 24 80 01 00 00 75 77 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0b 84 1b 08 cc e8 45 69 7e fe 90 <0f> 0b 90 eb 88 44 89 e9 80 e1 07 38 c1 0f 8c e4 f3 ff ff 4c 89 ef RSP: 0018:ffffc90004c3e6e0 EFLAGS: 00010293 RAX: ffffffff8343481b RBX: 1ffff1100aad53fa RCX: ffff888028d48000 RDX: 0000000000000000 RSI: 0000000000000120 RDI: 0000000000000000 RBP: ffffc90004c3e8b8 R08: ffff888028d48000 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000120 R15: 0000000000000120 FS: 00007f8496c586c0(0000) GS:ffff888125e32000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f68176add58 CR3: 00000000425d2000 CR4: 00000000003526f0 Call Trace: udf_write_failed+0x185/0x1c0 fs/udf/inode.c:178 udf_write_begin+0x215/0x270 fs/udf/inode.c:265 generic_perform_write+0x2c5/0x900 mm/filemap.c:4314 udf_file_write_iter+0x2d5/0x6c0 fs/udf/file.c:111 __kernel_write_iter+0x428/0x910 fs/read_write.c:619 __kernel_write+0xef/0x150 fs/read_write.c:639 __dump_emit+0x206/0x310 fs/coredump.c:1220 elf_core_dump+0x2d05/0x3960 fs/binfmt_elf.c:2090 coredump_write+0x1121/0x18b0 fs/coredump.c:1049 do_coredump fs/coredump.c:1126 [inline] vfs_coredump+0x3321/0x3e60 fs/coredump.c:1200 get_signal+0x1108/0x1340 kernel/signal.c:3019 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop kernel/entry/common.c:75 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline] irqentry_exit+0x177/0x660 kernel/entry/common.c:196 exc_page_fault+0xab/0x100 arch/x86/mm/fault.c:1535 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7f8495d68179 Code: f8 77 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 89 f8 48 89 fa c5 f9 ef c0 25 ff 0f 00 00 3d e0 0f 00 00 0f 87 27 01 00 00 fd 74 0f c5 fd d7 c1 85 c0 74 5b f3 0f bc c0 e9 30 01 00 00 66 RSP: 002b:00007f8496c57e68 EFLAGS: 00010283 RAX: 0000000000000000 RBX: 00007f8496c57ef0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000000 RBP: 0000200000000140 R08: 00002000000000c0 R09: 0000000000000000 R10: 0000200000000140 R11: 0000000000000246 R12: 0000200000000280 R13: 00007f8496c57eb0 R14: 0000000000000000 R15: 0000000000000000