BUG: memory leak unreferenced object 0xffff88810d84d400 (size 512): comm "syz-executor.5", pid 7522, jiffies 4294954305 (age 14.260s) hex dump (first 32 bytes): 50 d4 84 0d 81 88 ff ff e0 ff ff ff 0f 00 00 00 P............... 10 d4 84 0d 81 88 ff ff 10 d4 84 0d 81 88 ff ff ................ backtrace: [<000000003d61da44>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003d61da44>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000003d61da44>] slab_alloc mm/slab.c:3319 [inline] [<000000003d61da44>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<00000000a6239e0a>] kmalloc include/linux/slab.h:552 [inline] [<00000000a6239e0a>] pty_common_install+0x4e/0x2b0 drivers/tty/pty.c:391 [<00000000bd8cb19d>] pty_unix98_install+0x20/0x30 drivers/tty/pty.c:740 [<000000001b46b5e1>] tty_driver_install_tty drivers/tty/tty_io.c:1227 [inline] [<000000001b46b5e1>] tty_init_dev drivers/tty/tty_io.c:1340 [inline] [<000000001b46b5e1>] tty_init_dev+0x86/0x210 drivers/tty/tty_io.c:1317 [<00000000845ae712>] ptmx_open drivers/tty/pty.c:845 [inline] [<00000000845ae712>] ptmx_open+0xba/0x1c0 drivers/tty/pty.c:811 [<000000007e87d771>] chrdev_open+0xe3/0x290 fs/char_dev.c:414 [<00000000bd556826>] do_dentry_open+0x199/0x4f0 fs/open.c:797 [<000000001ba9145b>] vfs_open+0x35/0x40 fs/open.c:906 [<00000000c0275eb4>] do_last fs/namei.c:3416 [inline] [<00000000c0275eb4>] path_openat+0x854/0x1cd0 fs/namei.c:3533 [<00000000156ad8b1>] do_filp_open+0xaa/0x130 fs/namei.c:3563 [<00000000074d96c0>] do_sys_open+0x253/0x330 fs/open.c:1089 [<000000009f7fc64a>] __do_sys_openat fs/open.c:1116 [inline] [<000000009f7fc64a>] __se_sys_openat fs/open.c:1110 [inline] [<000000009f7fc64a>] __x64_sys_openat+0x24/0x30 fs/open.c:1110 [<000000005ca4479f>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<00000000e1f64b0f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810e639800 (size 1024): comm "syz-executor.5", pid 7522, jiffies 4294954305 (age 14.260s) hex dump (first 32 bytes): 01 54 00 00 01 00 00 00 00 00 00 00 00 00 00 00 .T.............. 00 83 fa 19 82 88 ff ff a0 7f 9b 83 ff ff ff ff ................ backtrace: [<000000003d61da44>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003d61da44>] slab_post_alloc_hook mm/slab.h:522 [inline] [<000000003d61da44>] slab_alloc mm/slab.c:3319 [inline] [<000000003d61da44>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548 [<000000001cfffc30>] kmalloc include/linux/slab.h:552 [inline] [<000000001cfffc30>] kzalloc include/linux/slab.h:748 [inline] [<000000001cfffc30>] alloc_tty_struct+0x3f/0x290 drivers/tty/tty_io.c:2981 [<000000001946a70c>] pty_common_install+0xac/0x2b0 drivers/tty/pty.c:399 [<00000000bd8cb19d>] pty_unix98_install+0x20/0x30 drivers/tty/pty.c:740 [<000000001b46b5e1>] tty_driver_install_tty drivers/tty/tty_io.c:1227 [inline] [<000000001b46b5e1>] tty_init_dev drivers/tty/tty_io.c:1340 [inline] [<000000001b46b5e1>] tty_init_dev+0x86/0x210 drivers/tty/tty_io.c:1317 [<00000000845ae712>] ptmx_open drivers/tty/pty.c:845 [inline] [<00000000845ae712>] ptmx_open+0xba/0x1c0 drivers/tty/pty.c:811 [<000000007e87d771>] chrdev_open+0xe3/0x290 fs/char_dev.c:414 [<00000000bd556826>] do_dentry_open+0x199/0x4f0 fs/open.c:797 [<000000001ba9145b>] vfs_open+0x35/0x40 fs/open.c:906 [<00000000c0275eb4>] do_last fs/namei.c:3416 [inline] [<00000000c0275eb4>] path_openat+0x854/0x1cd0 fs/namei.c:3533 [<00000000156ad8b1>] do_filp_open+0xaa/0x130 fs/namei.c:3563 [<00000000074d96c0>] do_sys_open+0x253/0x330 fs/open.c:1089 [<000000009f7fc64a>] __do_sys_openat fs/open.c:1116 [inline] [<000000009f7fc64a>] __se_sys_openat fs/open.c:1110 [inline] [<000000009f7fc64a>] __x64_sys_openat+0x24/0x30 fs/open.c:1110 [<000000005ca4479f>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296 [<00000000e1f64b0f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9