------------[ cut here ]------------ WARNING: CPU: 0 PID: 6739 at fs/udf/truncate.c:224 udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 Modules linked in: CPU: 0 UID: 0 PID: 6739 Comm: syz.2.22 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 lr : udf_truncate_extents+0xa7c/0xbd4 fs/udf/truncate.c:224 sp : ffff8000a4767640 x29: ffff8000a47677f0 x28: 0000000000000000 x27: 000000000000000a x26: ffff0000f67e0040 x25: ffff0000de628018 x24: dfff800000000000 x23: 000000000000000a x22: ffff8000a4767700 x21: 0000000000000000 x20: ffff8000a47676e0 x19: ffff0000f67e0158 x18: 00000000ffffffff x17: ffff800093524000 x16: ffff8000805353bc x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000ff0100 x11: ffff0000cb388000 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cb388000 x7 : ffff800081b8d1f4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff8000a4767790 x3 : 0000000000000001 x2 : ffff8000a4767708 x1 : 000000000000000a x0 : 0000000000000000 Call trace: udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 (P) udf_write_failed+0x164/0x1b4 fs/udf/inode.c:178 udf_write_begin+0x1f0/0x230 fs/udf/inode.c:265 generic_perform_write+0x244/0x7bc mm/filemap.c:4175 __generic_file_write_iter+0x184/0x204 mm/filemap.c:4289 udf_file_write_iter+0x254/0x5a4 fs/udf/file.c:111 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x540/0xa3c fs/read_write.c:686 ksys_write+0x120/0x210 fs/read_write.c:738 __do_sys_write fs/read_write.c:749 [inline] __se_sys_write fs/read_write.c:746 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:746 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 64858 hardirqs last enabled at (64857): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (64857): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (64858): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (64826): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (64826): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (64637): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---