===================================================== 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+0x75/0xa0 crypto/shash.c:74 crc32c+0xba/0x170 lib/libcrc32c.c:47 xlog_cksum fs/xfs/xfs_log.c:1833 [inline] xlog_sync+0xf66/0x11e0 fs/xfs/xfs_log.c:2078 xlog_state_release_iclog+0x3d0/0x7e0 fs/xfs/xfs_log.c:619 xlog_force_iclog fs/xfs/xfs_log.c:854 [inline] xlog_force_and_check_iclog fs/xfs/xfs_log.c:3139 [inline] xfs_log_force+0x9d3/0xf20 fs/xfs/xfs_log.c:3216 xfs_qm_dqflush+0x11d1/0x17e0 fs/xfs/xfs_dquot.c:1293 xfs_qm_flush_one+0x134/0x590 fs/xfs/xfs_qm.c:1275 xfs_qm_dquot_walk+0x2ad/0x790 fs/xfs/xfs_qm.c:87 xfs_qm_quotacheck+0x742/0xbc0 fs/xfs/xfs_qm.c:1365 xfs_qm_mount_quotas+0x3ef/0x890 fs/xfs/xfs_qm.c:1474 xfs_mountfs+0x215b/0x23f0 fs/xfs/xfs_mount.c:962 xfs_fs_fill_super+0x1fcc/0x2290 fs/xfs/xfs_super.c:1722 get_tree_bdev+0x67d/0x890 fs/super.c:1619 xfs_fs_get_tree+0x34/0x40 fs/xfs/xfs_super.c:1767 vfs_get_tree+0xa5/0x520 fs/super.c:1784 do_new_mount+0x68d/0x1550 fs/namespace.c:3341 path_mount+0x73d/0x1f20 fs/namespace.c:3668 do_mount fs/namespace.c:3681 [inline] __do_sys_mount fs/namespace.c:3887 [inline] __se_sys_mount+0x725/0x810 fs/namespace.c:3864 __x64_sys_mount+0xe4/0x140 fs/namespace.c:3864 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was stored to memory at: xlog_write_iovec fs/xfs/xfs_log.c:2226 [inline] xlog_write_full fs/xfs/xfs_log.c:2261 [inline] xlog_write+0x1bcf/0x2110 fs/xfs/xfs_log.c:2530 xlog_cil_write_chain fs/xfs/xfs_log_cil.c:918 [inline] xlog_cil_push_work+0x2db7/0x3ff0 fs/xfs/xfs_log_cil.c:1263 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x104e/0x1e70 kernel/workqueue.c:2706 worker_thread+0xf45/0x1490 kernel/workqueue.c:2787 kthread+0x3ed/0x540 kernel/kthread.c:388 ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Uninit was created at: slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768 slab_alloc_node mm/slub.c:3478 [inline] __kmem_cache_alloc_node+0x5c9/0x970 mm/slub.c:3517 __do_kmalloc_node mm/slab_common.c:1006 [inline] __kmalloc+0x121/0x3c0 mm/slab_common.c:1020 kmalloc include/linux/slab.h:604 [inline] xlog_kvmalloc fs/xfs/xfs_log_priv.h:704 [inline] xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:343 [inline] xlog_cil_commit+0x44a/0x4850 fs/xfs/xfs_log_cil.c:1574 __xfs_trans_commit+0x777/0x16e0 fs/xfs/xfs_trans.c:1017 xfs_trans_roll+0x10a/0x6e0 fs/xfs/xfs_trans.c:1165 xfs_defer_trans_roll+0x102/0x570 fs/xfs/libxfs/xfs_defer.c:373 xfs_defer_finish_noroll+0x4c1/0x2f30 fs/xfs/libxfs/xfs_defer.c:560 __xfs_trans_commit+0x934/0x16e0 fs/xfs/xfs_trans.c:977 xfs_trans_commit+0x2f/0x40 fs/xfs/xfs_trans.c:1061 xfs_dquot_disk_alloc+0xcb2/0x10d0 fs/xfs/xfs_dquot.c:384 xfs_qm_dqread+0x13c/0x930 fs/xfs/xfs_dquot.c:666 xfs_qm_dqget+0x2d8/0xc80 fs/xfs/xfs_dquot.c:870 xfs_qm_quotacheck_dqadjust+0xb7/0x840 fs/xfs/xfs_qm.c:1086 xfs_qm_dqusage_adjust+0xac8/0xb80 fs/xfs/xfs_qm.c:1219 xfs_iwalk_ag_recs+0x5ca/0xa50 fs/xfs/xfs_iwalk.c:220 xfs_iwalk_run_callbacks+0x27f/0x590 fs/xfs/xfs_iwalk.c:376 xfs_iwalk_ag+0xeca/0x1040 fs/xfs/xfs_iwalk.c:482 xfs_iwalk_ag_work+0x207/0x300 fs/xfs/xfs_iwalk.c:624 xfs_pwork_work+0x97/0x2b0 fs/xfs/xfs_pwork.c:47 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x104e/0x1e70 kernel/workqueue.c:2706 worker_thread+0xf45/0x1490 kernel/workqueue.c:2787 kthread+0x3ed/0x540 kernel/kthread.c:388 ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 CPU: 1 PID: 5283 Comm: syz-executor.3 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 =====================================================