===================================================== 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] xlog_force_lsn+0x919/0xb90 fs/xfs/xfs_log.c:3038 xfs_log_force_seq+0x235/0x6d0 fs/xfs/xfs_log.c:3103 xfs_log_force_inode+0x16b/0x500 fs/xfs/xfs_inode.c:2654 xfs_file_fallocate+0x4ad/0x570 fs/xfs/xfs_file.c:1150 vfs_fallocate+0x70d/0x7c0 fs/open.c:327 ksys_fallocate fs/open.c:351 [inline] __do_sys_fallocate fs/open.c:356 [inline] __se_sys_fallocate fs/open.c:354 [inline] __x64_sys_fallocate+0x148/0x280 fs/open.c:354 x64_sys_call+0x4c9/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:286 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 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_data_fork+0x6a4/0xfe0 fs/xfs/xfs_inode_item.c:371 xfs_inode_item_format+0x1f80/0x22f0 fs/xfs/xfs_inode_item.c:668 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_insert_file_space+0x70e/0x8e0 fs/xfs/xfs_bmap_util.c:1094 xfs_falloc_insert_range+0x6eb/0x780 fs/xfs/xfs_file.c:991 xfs_file_fallocate+0x3f8/0x570 fs/xfs/xfs_file.c:1133 vfs_fallocate+0x70d/0x7c0 fs/open.c:327 ksys_fallocate fs/open.c:351 [inline] __do_sys_fallocate fs/open.c:356 [inline] __se_sys_fallocate fs/open.c:354 [inline] __x64_sys_fallocate+0x148/0x280 fs/open.c:354 x64_sys_call+0x4c9/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:286 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_unwritten_real+0x3426/0x62e0 fs/xfs/libxfs/xfs_bmap.c:2555 xfs_bmapi_convert_unwritten+0x7e0/0xa10 fs/xfs/libxfs/xfs_bmap.c:4329 xfs_bmapi_write+0x1158/0x22f0 fs/xfs/libxfs/xfs_bmap.c:4579 xfs_iomap_write_unwritten+0x45f/0x1110 fs/xfs/xfs_iomap.c:661 xfs_end_ioend+0x325/0x880 fs/xfs/xfs_aops.c:131 xfs_end_io+0x3d5/0x5f0 fs/xfs/xfs_aops.c:173 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 CPU: 0 UID: 0 PID: 10581 Comm: syz.6.1343 Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 =====================================================