------------[ cut here ]------------ WARNING: CPU: 0 PID: 4624 at fs/udf/inode.c:538 udf_extend_file fs/udf/inode.c:537 [inline] WARNING: CPU: 0 PID: 4624 at fs/udf/inode.c:538 udf_setsize+0xb08/0xd90 fs/udf/inode.c:1147 Modules linked in: CPU: 0 PID: 4624 Comm: syz.1.33 Not tainted 6.1.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : udf_extend_file fs/udf/inode.c:537 [inline] pc : udf_setsize+0xb08/0xd90 fs/udf/inode.c:1147 lr : udf_extend_file fs/udf/inode.c:537 [inline] lr : udf_setsize+0xb08/0xd90 fs/udf/inode.c:1147 sp : ffff8000216c7960 x29: ffff8000216c7a70 x28: dfff800000000000 x27: 0000000000003400 x26: 0000000000003e00 x25: ffff0000f62a149c x24: ffff0000f62a1378 x23: ffff0000f62a155a x22: 000000000000001a x21: 1fffe0001ec542ab x20: ffff7000042d8f3c x19: ffff0000f62a1490 x18: 0000000000000000 x17: ffff8000181e7000 x16: ffff8000082e7bb0 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 00000000000015d5 x10: ffff80002245b000 x9 : ffff800009804fcc x8 : 00000000000015d6 x7 : 00000037000000c8 x6 : 0000000000000000 x5 : ffff0000f62a1448 x4 : ffff8000216c7a18 x3 : ffff8000082e7cc4 x2 : 0000000000000001 x1 : 0000000000003e00 x0 : 0000000000003400 Call trace: udf_extend_file fs/udf/inode.c:537 [inline] udf_setsize+0xb08/0xd90 fs/udf/inode.c:1147 udf_setattr+0x280/0x414 fs/udf/file.c:279 notify_change+0xb0c/0xdcc fs/attr.c:499 do_truncate+0x178/0x1f0 fs/open.c:65 do_sys_ftruncate+0x284/0x31c fs/open.c:193 __do_sys_ftruncate fs/open.c:204 [inline] __se_sys_ftruncate fs/open.c:202 [inline] __arm64_sys_ftruncate+0x60/0x74 fs/open.c:202 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 31662 hardirqs last enabled at (31661): [] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline] hardirqs last enabled at (31661): [] ktime_get_coarse_real_ts64+0x114/0x244 kernel/time/timekeeping.c:2261 hardirqs last disabled at (31662): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (31636): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (31634): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- UDF-fs: error (device loop1): udf_read_inode: (ino 1345) failed !bh