BUG: memory leak unreferenced object 0xffff8881103755e0 (size 1184): comm "syz-executor173", pid 8382, jiffies 4294942518 (age 13.020s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] ext4_alloc_inode+0x19/0x1a0 fs/ext4/super.c:1277 [] alloc_inode+0x27/0x100 fs/inode.c:234 [] new_inode_pseudo fs/inode.c:928 [inline] [] new_inode+0x23/0x100 fs/inode.c:957 [] ext4_mb_init_backend fs/ext4/mballoc.c:2689 [inline] [] ext4_mb_init+0x410/0x7d0 fs/ext4/mballoc.c:2905 [] ext4_fill_super+0x3722/0x5b20 fs/ext4/super.c:4983 [] mount_bdev+0x223/0x260 fs/super.c:1367 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592 [] vfs_get_tree+0x28/0x100 fs/super.c:1497 [] do_new_mount fs/namespace.c:2903 [inline] [] path_mount+0xc3e/0x1120 fs/namespace.c:3233 [] do_mount fs/namespace.c:3246 [inline] [] __do_sys_mount fs/namespace.c:3454 [inline] [] __se_sys_mount fs/namespace.c:3431 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3431 [] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff888110181660 (size 1184): comm "syz-executor173", pid 8394, jiffies 4294943059 (age 7.610s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] ext4_alloc_inode+0x19/0x1a0 fs/ext4/super.c:1277 [] alloc_inode+0x27/0x100 fs/inode.c:234 [] new_inode_pseudo fs/inode.c:928 [inline] [] new_inode+0x23/0x100 fs/inode.c:957 [] ext4_mb_init_backend fs/ext4/mballoc.c:2689 [inline] [] ext4_mb_init+0x410/0x7d0 fs/ext4/mballoc.c:2905 [] ext4_fill_super+0x3722/0x5b20 fs/ext4/super.c:4983 [] mount_bdev+0x223/0x260 fs/super.c:1367 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592 [] vfs_get_tree+0x28/0x100 fs/super.c:1497 [] do_new_mount fs/namespace.c:2903 [inline] [] path_mount+0xc3e/0x1120 fs/namespace.c:3233 [] do_mount fs/namespace.c:3246 [inline] [] __do_sys_mount fs/namespace.c:3454 [inline] [] __se_sys_mount fs/namespace.c:3431 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3431 [] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff888110acd100 (size 256): comm "syz-executor173", pid 8394, jiffies 4294943059 (age 7.610s) hex dump (first 32 bytes): a0 7e 5a 00 81 88 ff ff 00 00 00 00 00 00 00 00 .~Z............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:559 [inline] [] ext4_mb_add_groupinfo+0x9a/0x310 fs/ext4/mballoc.c:2617 [] ext4_mb_init_backend fs/ext4/mballoc.c:2707 [inline] [] ext4_mb_init+0x46c/0x7d0 fs/ext4/mballoc.c:2905 [] ext4_fill_super+0x3722/0x5b20 fs/ext4/super.c:4983 [] mount_bdev+0x223/0x260 fs/super.c:1367 [] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592 [] vfs_get_tree+0x28/0x100 fs/super.c:1497 [] do_new_mount fs/namespace.c:2903 [inline] [] path_mount+0xc3e/0x1120 fs/namespace.c:3233 [] do_mount fs/namespace.c:3246 [inline] [] __do_sys_mount fs/namespace.c:3454 [inline] [] __se_sys_mount fs/namespace.c:3431 [inline] [] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3431 [] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [] entry_SYSCALL_64_after_hwframe+0x44/0xae