EXT4-fs: Ignoring removed i_version option EXT4-fs: Ignoring removed mblk_io_submit option ================================================================== BUG: KCSAN: data-race in data_push_tail / string write to 0xffffffff88bbffea of 1 bytes by task 6887 on cpu 0: string_nocheck lib/vsprintf.c:650 [inline] string+0x16c/0x210 lib/vsprintf.c:728 vsnprintf+0xa09/0xe30 lib/vsprintf.c:2803 vscnprintf+0x42/0x90 lib/vsprintf.c:2909 printk_sprint+0x30/0x2d0 kernel/printk/printk.c:2197 vprintk_store+0x570/0x810 kernel/printk/printk.c:2311 vprintk_emit+0x15e/0x680 kernel/printk/printk.c:2383 vprintk_default+0x26/0x30 kernel/printk/printk.c:2422 vprintk+0x75/0x80 kernel/printk/printk_safe.c:68 _printk+0x7a/0xa0 kernel/printk/printk.c:2432 blk_add_partition block/partitions/core.c:541 [inline] blk_add_partitions block/partitions/core.c:625 [inline] bdev_disk_changed+0x87f/0xb90 block/partitions/core.c:685 loop_reread_partitions drivers/block/loop.c:534 [inline] loop_set_status+0x4a5/0x540 drivers/block/loop.c:1303 lo_ioctl+0x7f1/0x11c0 blkdev_ioctl+0x359/0x450 block/ioctl.c:693 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xcd/0x140 fs/ioctl.c:893 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:893 x64_sys_call+0x15cc/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffffffff88bbffe8 of 8 bytes by task 6931 on cpu 1: data_make_reusable kernel/printk/printk_ringbuffer.c:594 [inline] data_push_tail+0x102/0x430 kernel/printk/printk_ringbuffer.c:679 data_alloc+0xbe/0x2c0 kernel/printk/printk_ringbuffer.c:1054 prb_reserve+0x85e/0xb60 kernel/printk/printk_ringbuffer.c:1669 vprintk_store+0x53f/0x810 kernel/printk/printk.c:2301 vprintk_emit+0x15e/0x680 kernel/printk/printk.c:2383 vprintk_default+0x26/0x30 kernel/printk/printk.c:2422 vprintk+0x75/0x80 kernel/printk/printk_safe.c:68 _printk+0x7a/0xa0 kernel/printk/printk.c:2432 __ext4_msg+0x134/0x1a0 fs/ext4/super.c:993 ext4_parse_param+0x839/0xf40 fs/ext4/super.c:2187 vfs_parse_fs_param+0x13b/0x290 fs/fs_context.c:146 vfs_parse_fs_string fs/fs_context.c:188 [inline] vfs_parse_monolithic_sep fs/fs_context.c:230 [inline] generic_parse_monolithic+0x165/0x1d0 fs/fs_context.c:258 parse_monolithic_mount_data+0x43/0x50 fs/fs_context.c:719 do_new_mount+0x1fa/0x690 fs/namespace.c:3503 path_mount+0x49b/0xb30 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x27c/0x2d0 fs/namespace.c:4034 __x64_sys_mount+0x67/0x80 fs/namespace.c:4034 x64_sys_call+0x203e/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000000ffffec16 -> 0x00000000ffff3401 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 6931 Comm: syz.4.1200 Not tainted 6.12.0-rc5-syzkaller-00299-g11066801dd4b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== EXT4-fs error (device loop4): ext4_xattr_ibody_find:2240: inode #15: comm syz.4.1200: corrupted in-inode xattr: invalid ea_ino EXT4-fs error (device loop4): ext4_orphan_get:1393: comm syz.4.1200: couldn't read orphan inode 15 (err -117)