BUG: memory leak unreferenced object 0xffff8881065e4cc0 (size 32): comm "syz-executor.6", pid 8411, jiffies 4295047218 (age 15.720s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 32 31 38 00 00 00 00 00 00 4295047218...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009612a8fb>] kmalloc include/linux/slab.h:555 [inline] [<000000009612a8fb>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000009612a8fb>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008fcb3cd7>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d4e22289>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<0000000001fe037b>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000002d0fa304>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f877b9d2>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f877b9d2>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000302aeb62>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000302aeb62>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000302aeb62>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000ea7e050a>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000ce0efe1a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888106765c40 (size 32): comm "syz-executor.0", pid 8431, jiffies 4295047869 (age 9.210s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 38 36 39 00 30 30 30 30 30 4295047869.00000 30 34 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04.............. backtrace: [<000000009612a8fb>] kmalloc include/linux/slab.h:555 [inline] [<000000009612a8fb>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000009612a8fb>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008fcb3cd7>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d4e22289>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<0000000001fe037b>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000002d0fa304>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f877b9d2>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f877b9d2>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000302aeb62>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000302aeb62>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000302aeb62>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000ea7e050a>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000ce0efe1a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881067491a0 (size 32): comm "syz-executor.2", pid 8433, jiffies 4295047869 (age 9.210s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 38 36 39 00 72 74 75 61 6c 4295047869.rtual 2f 62 6c 6f 63 6b 2f 6c 6f 6f 70 36 00 00 00 00 /block/loop6.... backtrace: [<000000009612a8fb>] kmalloc include/linux/slab.h:555 [inline] [<000000009612a8fb>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000009612a8fb>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008fcb3cd7>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d4e22289>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<0000000001fe037b>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000002d0fa304>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f877b9d2>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f877b9d2>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000302aeb62>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000302aeb62>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000302aeb62>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000ea7e050a>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000ce0efe1a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888106792ac0 (size 32): comm "syz-executor.6", pid 8426, jiffies 4295047869 (age 9.210s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 38 36 39 00 00 00 00 00 00 4295047869...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009612a8fb>] kmalloc include/linux/slab.h:555 [inline] [<000000009612a8fb>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000009612a8fb>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008fcb3cd7>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d4e22289>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<0000000001fe037b>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000002d0fa304>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f877b9d2>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f877b9d2>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000302aeb62>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000302aeb62>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000302aeb62>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000ea7e050a>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000ce0efe1a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888106792a20 (size 32): comm "syz-executor.5", pid 8427, jiffies 4295047869 (age 9.210s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 38 36 39 00 00 00 00 00 00 4295047869...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009612a8fb>] kmalloc include/linux/slab.h:555 [inline] [<000000009612a8fb>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000009612a8fb>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008fcb3cd7>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d4e22289>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<0000000001fe037b>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000002d0fa304>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000f877b9d2>] do_new_mount fs/namespace.c:2875 [inline] [<00000000f877b9d2>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000302aeb62>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000302aeb62>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000302aeb62>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000ea7e050a>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000ce0efe1a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9