EXT4-fs: Ignoring removed oldalloc option EXT4-fs: Ignoring removed orlov option EXT4-fs: Ignoring removed oldalloc option ================================================================== BUG: KCSAN: data-race in console_flush_all / console_flush_all write to 0xffffffff86a21038 of 8 bytes by task 13316 on cpu 0: console_emit_next_record kernel/printk/printk.c:3099 [inline] console_flush_all+0x35a/0x730 kernel/printk/printk.c:3226 __console_flush_and_unlock kernel/printk/printk.c:3285 [inline] console_unlock+0xa1/0x330 kernel/printk/printk.c:3325 vprintk_emit+0x388/0x650 kernel/printk/printk.c:2450 vprintk_default+0x26/0x30 kernel/printk/printk.c:2465 vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82 _printk+0x79/0xa0 kernel/printk/printk.c:2475 __ext4_msg+0x18f/0x1a0 fs/ext4/super.c:981 ext4_process_orphan+0x18e/0x1c0 fs/ext4/orphan.c:353 ext4_orphan_cleanup+0x6a8/0xa00 fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5605 [inline] ext4_fill_super+0x3171/0x34e0 fs/ext4/super.c:5724 get_tree_bdev_flags+0x291/0x300 fs/super.c:1681 get_tree_bdev+0x1f/0x30 fs/super.c:1704 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5756 vfs_get_tree+0x54/0x1d0 fs/super.c:1804 do_new_mount+0x207/0x680 fs/namespace.c:3902 path_mount+0x4a4/0xb20 fs/namespace.c:4226 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount+0x28f/0x2e0 fs/namespace.c:4427 __x64_sys_mount+0x67/0x80 fs/namespace.c:4427 x64_sys_call+0xd36/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffffffff86a21038 of 8 bytes by task 13326 on cpu 1: console_flush_all+0x563/0x730 kernel/printk/printk.c:3227 __console_flush_and_unlock kernel/printk/printk.c:3285 [inline] console_unlock+0xa1/0x330 kernel/printk/printk.c:3325 vprintk_emit+0x388/0x650 kernel/printk/printk.c:2450 vprintk_default+0x26/0x30 kernel/printk/printk.c:2465 vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82 _printk+0x79/0xa0 kernel/printk/printk.c:2475 __ext4_msg+0x135/0x1a0 fs/ext4/super.c:983 ext4_parse_param+0x7c1/0xf10 fs/ext4/super.c:2173 vfs_parse_fs_param+0x13f/0x2a0 fs/fs_context.c:146 vfs_parse_fs_string fs/fs_context.c:188 [inline] vfs_parse_monolithic_sep+0x18a/0x200 fs/fs_context.c:230 generic_parse_monolithic+0x24/0x30 fs/fs_context.c:258 parse_monolithic_mount_data+0x46/0x60 fs/fs_context.c:723 do_new_mount+0x1da/0x680 fs/namespace.c:3898 path_mount+0x4a4/0xb20 fs/namespace.c:4226 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount+0x28f/0x2e0 fs/namespace.c:4427 __x64_sys_mount+0x67/0x80 fs/namespace.c:4427 x64_sys_call+0xd36/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000000000026b9 -> 0x00000000000026ba Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 13326 Comm: syz.6.3375 Not tainted 6.16.0-rc4-syzkaller-00108-g17bbde2e1716 #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 ================================================================== EXT4-fs: Ignoring removed nomblk_io_submit option