===================================================== BUG: KMSAN: uninit-value in crc32_body lib/crc32.c:112 [inline] BUG: KMSAN: uninit-value in crc32_le_generic lib/crc32.c:179 [inline] BUG: KMSAN: uninit-value in __crc32c_le_base+0x467/0xd80 lib/crc32.c:201 crc32_body lib/crc32.c:112 [inline] crc32_le_generic lib/crc32.c:179 [inline] __crc32c_le_base+0x467/0xd80 lib/crc32.c:201 chksum_update_arch+0x5b/0xd0 crypto/crc32c_generic.c:97 crypto_shash_update+0x79/0xa0 crypto/shash.c:52 crc32c+0xba/0x170 lib/libcrc32c.c:47 xlog_cksum fs/xfs/xfs_log.c:1594 [inline] xlog_sync+0xa89/0xd20 fs/xfs/xfs_log.c:1839 xlog_state_release_iclog+0x325/0x6f0 fs/xfs/xfs_log.c:567 xlog_force_iclog fs/xfs/xfs_log.c:802 [inline] xlog_force_and_check_iclog fs/xfs/xfs_log.c:2866 [inline] xfs_log_force+0x9d7/0xf20 fs/xfs/xfs_log.c:2943 xfs_fs_sync_fs+0xa0/0x420 fs/xfs/xfs_super.c:787 sync_filesystem+0x2e1/0x3c0 fs/sync.c:66 generic_shutdown_super+0x8b/0x4c0 fs/super.c:621 kill_block_super+0x42/0xd0 fs/super.c:1710 xfs_kill_sb+0x20/0x60 fs/xfs/xfs_super.c:2089 deactivate_locked_super+0xe0/0x3f0 fs/super.c:473 deactivate_super+0x14f/0x160 fs/super.c:506 cleanup_mnt+0x6bb/0x730 fs/namespace.c:1373 __cleanup_mnt+0x22/0x30 fs/namespace.c:1380 task_work_run+0x268/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xbf/0x160 kernel/entry/common.c:218 do_syscall_64+0xda/0x1e0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: xlog_write_iovec fs/xfs/xfs_log.c:1987 [inline] xlog_write_full fs/xfs/xfs_log.c:2022 [inline] xlog_write+0x1bcf/0x2110 fs/xfs/xfs_log.c:2291 xlog_cil_write_chain fs/xfs/xfs_log_cil.c:1084 [inline] xlog_cil_push_work+0x2f28/0x4540 fs/xfs/xfs_log_cil.c:1436 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3317 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398 kthread+0x3e2/0x540 kernel/kthread.c:389 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Uninit was stored to memory at: xlog_copy_iovec fs/xfs/xfs_log.h:85 [inline] xfs_inode_item_format_attr_fork+0x3ae/0xf10 fs/xfs/xfs_inode_item.c:450 xfs_inode_item_format+0x2000/0x22f0 fs/xfs/xfs_inode_item.c:670 xlog_cil_insert_format_items fs/xfs/xfs_log_cil.c:513 [inline] xlog_cil_insert_items fs/xfs/xfs_log_cil.c:565 [inline] xlog_cil_commit+0x18e9/0x46f0 fs/xfs/xfs_log_cil.c:1759 __xfs_trans_commit+0x578/0xf60 fs/xfs/xfs_trans.c:898 xfs_trans_roll+0x10a/0x6f0 fs/xfs/xfs_trans.c:1060 xfs_defer_trans_roll+0x108/0x580 fs/xfs/libxfs/xfs_defer.c:479 xfs_defer_finish_noroll+0xd4b/0x1e60 fs/xfs/libxfs/xfs_defer.c:688 xfs_trans_commit+0x16a/0x280 fs/xfs/xfs_trans.c:949 xfs_attr_set+0x1b07/0x1c10 fs/xfs/libxfs/xfs_attr.c:1152 xfs_attr_change+0x41a/0x560 fs/xfs/xfs_xattr.c:128 xfs_xattr_set+0x1d4/0x300 fs/xfs/xfs_xattr.c:186 __vfs_setxattr+0x844/0x8b0 fs/xattr.c:200 __vfs_setxattr_noperm+0x22f/0xb00 fs/xattr.c:234 __vfs_setxattr_locked+0x444/0x480 fs/xattr.c:295 vfs_setxattr+0x294/0x650 fs/xattr.c:321 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x3bc/0x760 fs/xattr.c:665 path_setxattrat+0x53d/0x760 fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __x64_sys_setxattr+0xfc/0x190 fs/xattr.c:743 x64_sys_call+0x2838/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:189 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4125 [inline] slab_alloc_node mm/slub.c:4168 [inline] __do_kmalloc_node mm/slub.c:4297 [inline] __kmalloc_noprof+0x923/0x1230 mm/slub.c:4310 kmalloc_noprof include/linux/slab.h:905 [inline] xfs_iroot_realloc+0x60d/0x950 fs/xfs/libxfs/xfs_inode_fork.c:413 xfs_bmap_extents_to_btree+0x1d0/0x1370 fs/xfs/libxfs/xfs_bmap.c:662 xfs_bmap_add_extent_hole_real+0x2357/0x2e40 fs/xfs/libxfs/xfs_bmap.c:2944 xfs_bmapi_allocate+0x410c/0x4910 fs/xfs/libxfs/xfs_bmap.c:4263 xfs_bmapi_write+0x101c/0x22f0 fs/xfs/libxfs/xfs_bmap.c:4553 xfs_attr_rmtval_set_blk+0x180/0x360 fs/xfs/libxfs/xfs_attr_remote.c:633 xfs_attr_rmtval_alloc fs/xfs/libxfs/xfs_attr.c:637 [inline] xfs_attr_set_iter+0x36b/0x77f0 fs/xfs/libxfs/xfs_attr.c:866 xfs_attr_finish_item+0x179/0x530 fs/xfs/xfs_attr_item.c:505 xfs_defer_finish_one+0x56f/0x13b0 fs/xfs/libxfs/xfs_defer.c:595 xfs_defer_finish_noroll+0x10e0/0x1e60 fs/xfs/libxfs/xfs_defer.c:707 xfs_trans_commit+0x16a/0x280 fs/xfs/xfs_trans.c:949 xfs_attr_set+0x1b07/0x1c10 fs/xfs/libxfs/xfs_attr.c:1152 xfs_attr_change+0x41a/0x560 fs/xfs/xfs_xattr.c:128 xfs_xattr_set+0x1d4/0x300 fs/xfs/xfs_xattr.c:186 __vfs_setxattr+0x844/0x8b0 fs/xattr.c:200 __vfs_setxattr_noperm+0x22f/0xb00 fs/xattr.c:234 __vfs_setxattr_locked+0x444/0x480 fs/xattr.c:295 vfs_setxattr+0x294/0x650 fs/xattr.c:321 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x3bc/0x760 fs/xattr.c:665 path_setxattrat+0x53d/0x760 fs/xattr.c:713 __do_sys_lsetxattr fs/xattr.c:754 [inline] __se_sys_lsetxattr fs/xattr.c:750 [inline] __x64_sys_lsetxattr+0xff/0x190 fs/xattr.c:750 x64_sys_call+0x3401/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:190 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 13510 Comm: syz-executor Not tainted 6.13.0-rc7-syzkaller-00149-g9bffa1ad25b8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 =====================================================