XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x747/0xf00 fs/xfs/xfs_trans_buf.c:311 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. XFS (loop0): Please unmount the filesystem and rectify the problem(s) ===================================================== 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 page_has_metadata mm/kmsan/shadow.c:38 [inline] kmsan_get_metadata+0xfa/0x160 mm/kmsan/shadow.c:144 kmsan_get_shadow_origin_ptr+0x35/0xb0 mm/kmsan/shadow.c:97 get_shadow_origin_ptr mm/kmsan/instrumentation.c:38 [inline] __msan_metadata_ptr_for_load_4+0x24/0x40 mm/kmsan/instrumentation.c:93 xfs_printk_level+0x445/0x540 fs/xfs/xfs_message.c:48 xfs_do_force_shutdown+0x551/0x820 fs/xfs/xfs_fsops.c:529 xfs_trans_read_buf_map+0x747/0xf00 fs/xfs/xfs_trans_buf.c:311 xfs_trans_read_buf fs/xfs/xfs_trans.h:212 [inline] xfs_btree_read_buf_block+0x33d/0x5f0 fs/xfs/libxfs/xfs_btree.c:1402 xfs_btree_lookup_get_block+0x3f9/0x7c0 fs/xfs/libxfs/xfs_btree.c:1907 xfs_btree_lookup+0x647/0x1cd0 fs/xfs/libxfs/xfs_btree.c:2018 xfs_alloc_lookup fs/xfs/libxfs/xfs_alloc.c:166 [inline] xfs_alloc_lookup_le fs/xfs/libxfs/xfs_alloc.c:212 [inline] xfs_free_ag_extent+0x338/0x3850 fs/xfs/libxfs/xfs_alloc.c:2080 __xfs_free_extent+0x44e/0x6b0 fs/xfs/libxfs/xfs_alloc.c:4047 xfs_extent_free_finish_item+0x3aa/0x9a0 fs/xfs/xfs_extfree_item.c:553 xfs_defer_finish_one+0x529/0x1440 fs/xfs/libxfs/xfs_defer.c:595 xfs_defer_finish_noroll+0x1081/0x1e10 fs/xfs/libxfs/xfs_defer.c:707 xfs_defer_finish+0x37/0x2d0 fs/xfs/libxfs/xfs_defer.c:741 xfs_bunmapi_range+0x144/0x250 fs/xfs/libxfs/xfs_bmap.c:6169 xfs_itruncate_extents_flags+0x32d/0xba0 fs/xfs/xfs_inode.c:1072 xfs_itruncate_extents fs/xfs/xfs_inode.h:604 [inline] xfs_vn_setattr_size+0x166b/0x1fc0 fs/xfs/xfs_iops.c:1096 xfs_vn_setattr+0x335/0x5e0 fs/xfs/xfs_iops.c:1154 notify_change+0x1abe/0x1bd0 fs/attr.c:556 do_truncate+0x28f/0x310 fs/open.c:68 handle_truncate fs/namei.c:4307 [inline] do_open fs/namei.c:4703 [inline] path_openat+0x5bcd/0x64c0 fs/namei.c:4858 do_file_open+0x2aa/0x680 fs/namei.c:4887 do_sys_openat2+0x163/0x370 fs/open.c:1364 do_sys_open fs/open.c:1370 [inline] __do_sys_creat fs/open.c:1448 [inline] __se_sys_creat fs/open.c:1442 [inline] __x64_sys_creat+0xe1/0x150 fs/open.c:1442 x64_sys_call+0x3c20/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:86 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 level created at: xfs_printk_level+0x109/0x540 fs/xfs/xfs_message.c:38 xfs_do_force_shutdown+0x551/0x820 fs/xfs/xfs_fsops.c:529 CPU: 0 UID: 0 PID: 6231 Comm: syz.0.85 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 =====================================================