------------[ cut here ]------------
byte_offset
WARNING: fs/udf/truncate.c:224 at udf_truncate_extents+0x981/0xa70 fs/udf/truncate.c:224, CPU#1: syz.3.358/7730
Modules linked in:
CPU: 1 UID: 0 PID: 7730 Comm: syz.3.358 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:udf_truncate_extents+0x981/0xa70 fs/udf/truncate.c:224
Code: fe e9 50 f8 ff ff 48 8b 7c 24 18 e8 f9 40 d6 fe e9 0d f9 ff ff 48 8b 7c 24 18 e8 ea 40 d6 fe e9 ad f7 ff ff e8 f0 76 69 fe 90 <0f> 0b 90 e9 a9 f9 ff ff e8 e2 76 69 fe 90 0f 0b 48 8b 7c 24 10 48
RSP: 0018:ffffc9000338ebe8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888078d33b98 RCX: ffffffff839f1239
RDX: ffff88801ffa5c40 RSI: ffffffff839f1890 RDI: ffff88801ffa5c40
RBP: ffffc9000338ece0 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000120 R11: 0000000000000000 R12: ffff8880363f6000
R13: 0000000000000000 R14: 0000000000000120 R15: ffffc9000338eca0
FS:  00007f22f63fa6c0(0000) GS:ffff88812446d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe2aed616d0 CR3: 000000007bc09000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 udf_write_failed.isra.0+0x175/0x1d0 fs/udf/inode.c:180
 udf_write_begin+0x255/0x300 fs/udf/inode.c:264
 generic_perform_write+0x292/0xa40 mm/filemap.c:4325
 __generic_file_write_iter+0x1f7/0x240 mm/filemap.c:4442
 udf_file_write_iter+0x231/0x780 fs/udf/file.c:112
 __kernel_write_iter+0x2ac/0x920 fs/read_write.c:621
 __kernel_write+0xf6/0x140 fs/read_write.c:641
 __dump_emit fs/coredump.c:1226 [inline]
 dump_emit+0x21f/0x330 fs/coredump.c:1264
 elf_core_dump+0x2772/0x3d10 fs/binfmt_elf.c:2088
 coredump_write fs/coredump.c:1053 [inline]
 do_coredump fs/coredump.c:1132 [inline]
 vfs_coredump+0x29a0/0x5770 fs/coredump.c:1206
 get_signal+0x2162/0x2210 kernel/signal.c:3022
 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:98 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x410/0x7e0 kernel/entry/common.c:162
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f22f559ce61
Code: 00 00 00 00 0f 1f 44 00 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 <c3> 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:0000000000000030 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f22f5816090 RCX: 00007f22f559ce59
RDX: 0000000000000000 RSI: 0000000000000030 RDI: 0000000000000600
RBP: 00007f22f5632d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f22f5816128 R14: 00007f22f5816090 R15: 00007ffff1ea4668
 </TASK>