BUG: memory leak unreferenced object 0xffff8881068cb880 (size 32): comm "syz-executor.4", pid 8246, jiffies 4295046879 (age 15.430s) hex dump (first 32 bytes): 34 32 39 35 30 34 36 38 37 39 00 30 30 30 30 30 4295046879.00000 30 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00.............. backtrace: [<00000000203206ad>] kmalloc include/linux/slab.h:555 [inline] [<00000000203206ad>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000203206ad>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000005acc3b7a>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<000000000da51df0>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000000faf0a3c>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000001948d90e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f02306a1>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f02306a1>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000add9c1e5>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000add9c1e5>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000add9c1e5>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<0000000014caf809>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000400e1e55>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881069dd4a0 (size 32): comm "syz-executor.0", pid 8361, jiffies 4295047536 (age 8.860s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 35 33 36 00 83 ff ff ff ff 4295047536...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000203206ad>] kmalloc include/linux/slab.h:555 [inline] [<00000000203206ad>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000203206ad>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000005acc3b7a>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<000000000da51df0>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000000faf0a3c>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000001948d90e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f02306a1>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f02306a1>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000add9c1e5>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000add9c1e5>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000add9c1e5>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<0000000014caf809>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000400e1e55>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888106a22780 (size 32): comm "syz-executor.1", pid 8360, jiffies 4295047536 (age 8.860s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 35 33 36 00 30 30 30 30 30 4295047536.00000 30 30 00 69 2f 39 70 2d 31 37 00 00 00 00 00 00 00.i/9p-17...... backtrace: [<00000000203206ad>] kmalloc include/linux/slab.h:555 [inline] [<00000000203206ad>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000203206ad>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000005acc3b7a>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<000000000da51df0>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000000faf0a3c>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000001948d90e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f02306a1>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f02306a1>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000add9c1e5>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000add9c1e5>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000add9c1e5>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<0000000014caf809>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000400e1e55>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881069dddc0 (size 32): comm "syz-executor.3", pid 8359, jiffies 4295047536 (age 8.860s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 35 33 36 00 30 30 30 30 30 4295047536.00000 30 30 00 00 00 00 00 00 f9 ab b4 82 ff ff ff ff 00.............. backtrace: [<00000000203206ad>] kmalloc include/linux/slab.h:555 [inline] [<00000000203206ad>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000203206ad>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000005acc3b7a>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<000000000da51df0>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000000faf0a3c>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000001948d90e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f02306a1>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f02306a1>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000add9c1e5>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000add9c1e5>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000add9c1e5>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<0000000014caf809>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000400e1e55>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881069dd180 (size 32): comm "syz-executor.7", pid 8366, jiffies 4295047541 (age 8.810s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 35 34 31 00 30 30 30 30 30 4295047541.00000 30 30 00 06 81 88 ff ff 58 46 d9 06 81 88 ff ff 00......XF...... backtrace: [<00000000203206ad>] kmalloc include/linux/slab.h:555 [inline] [<00000000203206ad>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000203206ad>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000005acc3b7a>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<000000000da51df0>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000000faf0a3c>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000001948d90e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f02306a1>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f02306a1>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000add9c1e5>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000add9c1e5>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000add9c1e5>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<0000000014caf809>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000400e1e55>] entry_SYSCALL_64_after_hwframe+0x44/0xa9