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BUG: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 include/linux/irq-entry-common.h:464
 irqentry_exit_to_kernel_mode_preempt+0xb0/0xc0 include/linux/irq-entry-common.h:464
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x82/0xa00 kernel/entry/common.c:164
 sysvec_apic_timer_interrupt+0x52/0x90 arch/x86/kernel/apic/apic.c:1061
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:697
 inode_getblk fs/udf/inode.c:-1 [inline]
 udf_map_block+0x184a/0x76c0 fs/udf/inode.c:453
 __udf_get_block fs/udf/inode.c:467 [inline]
 udf_get_block+0x186/0x550 fs/udf/inode.c:491
 get_more_blocks fs/direct-io.c:648 [inline]
 do_direct_IO fs/direct-io.c:936 [inline]
 __blockdev_direct_IO+0x2826/0x6110 fs/direct-io.c:1243
 blockdev_direct_IO include/linux/fs.h:3126 [inline]
 udf_direct_IO+0x19a/0x360 fs/udf/inode.c:311
 generic_file_direct_write+0x2bc/0x730 mm/filemap.c:4259
 __generic_file_write_iter+0x25b/0x460 mm/filemap.c:4428
 udf_file_write_iter+0x542/0xdb0 fs/udf/file.c:112
 do_iter_readv_writev+0x9e0/0xc10 fs/read_write.c:-1
 vfs_writev+0x52a/0x1500 fs/read_write.c:1059
 do_pwritev fs/read_write.c:1155 [inline]
 __do_compat_sys_pwritev2 fs/read_write.c:1300 [inline]
 __se_compat_sys_pwritev2 fs/read_write.c:1292 [inline]
 __ia32_compat_sys_pwritev2+0x43d/0x6b0 fs/read_write.c:1292
 ia32_sys_call+0x3b67/0x4360 arch/x86/include/generated/asm/syscalls_32.h:380
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x195/0x470 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x37/0x80 arch/x86/entry/syscall_32.c:332
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:370
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Local variable etype.i created at:
 inode_getblk fs/udf/inode.c:734 [inline]
 udf_map_block+0x866/0x76c0 fs/udf/inode.c:453
 __udf_get_block fs/udf/inode.c:467 [inline]
 udf_get_block+0x186/0x550 fs/udf/inode.c:491

CPU: 1 UID: 0 PID: 8250 Comm: syz.5.993 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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