XFS (loop5): Quotacheck: Done. ===================================================== 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 xfs_bmap_add_extent_unwritten_real+0x1211/0x6670 fs/xfs/libxfs/xfs_bmap.c:2090 xfs_bmapi_convert_unwritten+0x792/0xa50 fs/xfs/libxfs/xfs_bmap.c:4043 xfs_bmapi_write+0x1308/0x26f0 fs/xfs/libxfs/xfs_bmap.c:4294 xfs_iomap_write_unwritten+0x43a/0x10e0 fs/xfs/xfs_iomap.c:678 xfs_dio_write_end_io+0x7fc/0xc40 fs/xfs/xfs_file.c:682 iomap_dio_complete+0x183/0x13a0 fs/iomap/direct-io.c:112 iomap_dio_rw+0x13c/0x180 fs/iomap/direct-io.c:905 xfs_file_dio_write_aligned+0x506/0x840 fs/xfs/xfs_file.c:780 xfs_file_dio_write fs/xfs/xfs_file.c:989 [inline] xfs_file_write_iter+0xff0/0x1090 fs/xfs/xfs_file.c:1201 iter_file_splice_write+0x12d8/0x20c0 fs/splice.c:736 do_splice_from fs/splice.c:936 [inline] direct_splice_actor+0x31a/0x7d0 fs/splice.c:1159 splice_direct_to_actor+0x9a3/0x1560 fs/splice.c:1103 do_splice_direct_actor fs/splice.c:1202 [inline] do_splice_direct+0x1e0/0x350 fs/splice.c:1228 do_sendfile+0x9fc/0x1130 fs/read_write.c:1372 __do_sys_sendfile64 fs/read_write.c:1433 [inline] __se_sys_sendfile64+0x1ea/0x290 fs/read_write.c:1419 __x64_sys_sendfile64+0xbd/0x120 fs/read_write.c:1419 x64_sys_call+0x3aa4/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:41 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable r created at: xfs_bmap_add_extent_unwritten_real+0x8e/0x6670 fs/xfs/libxfs/xfs_bmap.c:2022 xfs_bmapi_convert_unwritten+0x792/0xa50 fs/xfs/libxfs/xfs_bmap.c:4043 CPU: 1 UID: 0 PID: 11869 Comm: syz.5.1114 Tainted: G L syzkaller #0 PREEMPT(lazy) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 =====================================================