------------[ cut here ]------------ WARNING: CPU: 0 PID: 5324 at fs/udf/truncate.c:224 udf_truncate_extents+0x10c8/0x1310 fs/udf/truncate.c:224 Modules linked in: CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:udf_truncate_extents+0x10c8/0x1310 fs/udf/truncate.c:224 Code: 48 3b 84 24 a0 01 00 00 0f 85 4b 02 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 69 e8 74 fe 90 <0f> 0b 90 eb 8c 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38 c1 0f RSP: 0018:ffffc9000d2b6c80 EFLAGS: 00010293 RAX: ffffffff832a8b87 RBX: 0000000000000120 RCX: ffff888000a58000 RDX: 0000000000000000 RSI: 0000000000000120 RDI: 0000000000000000 RBP: ffffc9000d2b6e70 R08: ffffffff832a7fa8 R09: ffffffff83285dbd R10: 0000000000000002 R11: ffff888000a58000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000120 R15: 0000000000000000 FS: 00007fad0191c6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fad00d77bac CR3: 000000003659e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_write_failed+0x176/0x1b0 fs/udf/inode.c:178 udf_write_begin+0x1f7/0x250 fs/udf/inode.c:259 generic_perform_write+0x346/0x990 mm/filemap.c:4055 udf_file_write_iter+0x2fc/0x660 fs/udf/file.c:111 __kernel_write_iter+0x42a/0x940 fs/read_write.c:612 __kernel_write+0x120/0x180 fs/read_write.c:632 __dump_emit+0x237/0x360 fs/coredump.c:807 elf_core_dump+0x3624/0x4790 fs/binfmt_elf.c:2108 do_coredump+0x229b/0x3100 fs/coredump.c:758 get_signal+0x140b/0x1750 kernel/signal.c:3002 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] irqentry_exit_to_user_mode+0x7e/0x250 kernel/entry/common.c:231 exc_page_fault+0x590/0x8b0 arch/x86/mm/fault.c:1542 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7fad00b85d31 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:fffffffffffffde0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007fad00d75fa0 RCX: 00007fad00b85d29 RDX: 0000000000000000 RSI: fffffffffffffde0 RDI: 0000000000000000 RBP: 00007fad00c01a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fad00d75fa0 R15: 00007ffd8ebe3908