XFS (loop5): Ending clean mount ===================================================== 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+0x5b/0xd0 crypto/crc32c_generic.c:88 crypto_shash_update+0x28f/0x400 crypto/shash.c:121 crc32c+0xd9/0x1a0 lib/libcrc32c.c:47 xlog_cksum fs/xfs/xfs_log.c:1867 [inline] xlog_sync+0xf66/0x11e0 fs/xfs/xfs_log.c:2111 xlog_state_release_iclog+0x3d0/0x7e0 fs/xfs/xfs_log.c:619 xlog_force_iclog fs/xfs/xfs_log.c:888 [inline] xlog_force_and_check_iclog fs/xfs/xfs_log.c:3172 [inline] xlog_force_lsn+0x952/0xbf0 fs/xfs/xfs_log.c:3344 xfs_log_force_seq+0x235/0x6d0 fs/xfs/xfs_log.c:3409 xfs_fsync_flush_log fs/xfs/xfs_file.c:126 [inline] xfs_file_fsync+0x76a/0xfe0 fs/xfs/xfs_file.c:178 vfs_fsync_range+0x1fd/0x250 fs/sync.c:188 generic_write_sync include/linux/fs.h:2452 [inline] xfs_file_buffered_write+0xf0e/0x1030 fs/xfs/xfs_file.c:764 xfs_file_write_iter+0x38d/0x920 fs/xfs/xfs_file.c:802 do_iter_write+0xc70/0x1310 fs/read_write.c:861 vfs_writev+0x31d/0x7a0 fs/read_write.c:934 do_pwritev fs/read_write.c:1031 [inline] __do_compat_sys_pwritev2 fs/read_write.c:1177 [inline] __se_compat_sys_pwritev2+0x294/0x490 fs/read_write.c:1169 __ia32_compat_sys_pwritev2+0x119/0x1a0 fs/read_write.c:1169 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was stored to memory at: xlog_write_iovec fs/xfs/xfs_log.c:2259 [inline] xlog_write_full fs/xfs/xfs_log.c:2294 [inline] xlog_write+0x1c3c/0x21a0 fs/xfs/xfs_log.c:2563 xlog_cil_write_chain fs/xfs/xfs_log_cil.c:973 [inline] xlog_cil_push_work+0x30c7/0x4430 fs/xfs/xfs_log_cil.c:1318 process_one_work+0xb0d/0x1410 kernel/workqueue.c:2390 worker_thread+0x107e/0x1d60 kernel/workqueue.c:2537 kthread+0x31f/0x430 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Uninit was created at: slab_post_alloc_hook+0x12d/0xb60 mm/slab.h:774 slab_alloc_node mm/slub.c:3452 [inline] __kmem_cache_alloc_node+0x518/0x920 mm/slub.c:3491 __do_kmalloc_node mm/slab_common.c:966 [inline] __kmalloc+0x121/0x3c0 mm/slab_common.c:980 kmalloc include/linux/slab.h:584 [inline] xlog_kvmalloc fs/xfs/xfs_log_priv.h:700 [inline] xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:338 [inline] xlog_cil_commit+0x493/0x4c80 fs/xfs/xfs_log_cil.c:1629 __xfs_trans_commit+0x78e/0x13d0 fs/xfs/xfs_trans.c:1005 xfs_trans_commit+0x2f/0x40 fs/xfs/xfs_trans.c:1049 xfs_bmapi_convert_delalloc+0x1d2a/0x1de0 fs/xfs/libxfs/xfs_bmap.c:4582 xfs_convert_blocks fs/xfs/xfs_aops.c:266 [inline] xfs_map_blocks+0xba1/0x13a0 fs/xfs/xfs_aops.c:389 iomap_writepage_map fs/iomap/buffered-io.c:1641 [inline] iomap_do_writepage+0x100b/0x3f10 fs/iomap/buffered-io.c:1803 write_cache_pages+0xa6c/0x17d0 mm/page-writeback.c:2473 iomap_writepages+0x66/0x430 fs/iomap/buffered-io.c:1820 xfs_vm_writepages+0x179/0x240 fs/xfs/xfs_aops.c:513 do_writepages+0x4a5/0x960 mm/page-writeback.c:2551 filemap_fdatawrite_wbc+0x1d8/0x270 mm/filemap.c:390 __filemap_fdatawrite_range mm/filemap.c:423 [inline] file_write_and_wait_range+0x22c/0x420 mm/filemap.c:781 xfs_file_fsync+0xf6/0xfe0 fs/xfs/xfs_file.c:151 vfs_fsync_range+0x1fd/0x250 fs/sync.c:188 generic_write_sync include/linux/fs.h:2452 [inline] xfs_file_buffered_write+0xf0e/0x1030 fs/xfs/xfs_file.c:764 xfs_file_write_iter+0x38d/0x920 fs/xfs/xfs_file.c:802 do_iter_write+0xc70/0x1310 fs/read_write.c:861 vfs_writev+0x31d/0x7a0 fs/read_write.c:934 do_pwritev fs/read_write.c:1031 [inline] __do_compat_sys_pwritev2 fs/read_write.c:1177 [inline] __se_compat_sys_pwritev2+0x294/0x490 fs/read_write.c:1169 __ia32_compat_sys_pwritev2+0x119/0x1a0 fs/read_write.c:1169 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 CPU: 1 PID: 10304 Comm: syz-executor.5 Not tainted 6.3.0-rc3-syzkaller-g90ea0df61c98 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 =====================================================