------------[ cut here ]------------ WARNING: CPU: 0 PID: 7272 at fs/udf/inode.c:684 udf_extend_file fs/udf/inode.c:683 [inline] WARNING: CPU: 0 PID: 7272 at fs/udf/inode.c:684 udf_setsize+0xac8/0xd30 fs/udf/inode.c:1300 Modules linked in: CPU: 0 UID: 0 PID: 7272 Comm: syz.0.199 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : udf_extend_file fs/udf/inode.c:683 [inline] pc : udf_setsize+0xac8/0xd30 fs/udf/inode.c:1300 lr : udf_extend_file fs/udf/inode.c:683 [inline] lr : udf_setsize+0xac8/0xd30 fs/udf/inode.c:1300 sp : ffff8000a0a67900 x29: ffff8000a0a679e0 x28: 1fffe0001c4dda4a x27: dfff800000000000 x26: 0000000000003400 x25: 0000000000003e00 x24: 0000000000000001 x23: 000000000000001a x22: ffff0000e26ed250 x21: ffff0000e26ed42a x20: 00000000000081ff x19: ffff0000e26ed368 x18: 0000000000000000 x17: ffff0001fea8c870 x16: ffff800080538320 x15: 0000000000000001 x14: 1fffe0001c4dda65 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001c4dda66 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000ce3c3d80 x7 : 00000037000000e0 x6 : 0000000000000000 x5 : ffff0000e26ed320 x4 : ffff8000a0a67998 x3 : ffff800080538428 x2 : 0000000000000001 x1 : 0000000000003e00 x0 : 0000000000003400 Call trace: udf_extend_file fs/udf/inode.c:683 [inline] (P) udf_setsize+0xac8/0xd30 fs/udf/inode.c:1300 (P) udf_setattr+0x2b0/0x454 fs/udf/file.c:236 notify_change+0xa0c/0xcb8 fs/attr.c:546 do_truncate+0x198/0x210 fs/open.c:68 do_ftruncate+0x3bc/0x458 fs/open.c:195 do_sys_ftruncate fs/open.c:210 [inline] __do_sys_ftruncate fs/open.c:215 [inline] __se_sys_ftruncate fs/open.c:213 [inline] __arm64_sys_ftruncate+0x90/0xe8 fs/open.c:213 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c 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:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 118 hardirqs last enabled at (117): [] seqcount_lockdep_reader_access+0x7c/0xf8 include/linux/seqlock.h:74 hardirqs last disabled at (118): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (92): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (90): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- UDF-fs: warning (device loop0): udf_truncate_tail_extent: Too long extent after EOF in inode 1367: i_size: 33279 lbcount: 35840 extent 97+15872 UDF-fs: error (device loop0): udf_truncate_tail_extent: Extent after EOF in inode 1367