BUG: memory leak unreferenced object 0xffff888100a9b9e0 (size 32): comm "syz-executor.0", pid 8227, jiffies 4295047061 (age 9.690s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 30 36 31 00 72 74 75 61 6c 4295047061.rtual 2f 62 64 69 2f 39 70 2d 33 00 00 00 00 00 00 00 /bdi/9p-3....... backtrace: [<000000000a10015b>] kmalloc include/linux/slab.h:555 [inline] [<000000000a10015b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000000a10015b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008d92e0fb>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d6a7f8c1>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000001c42274f>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000b0a310fa>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<000000003268f2e1>] do_new_mount fs/namespace.c:2874 [inline] [<000000003268f2e1>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<000000006869dd09>] __do_sys_mount fs/namespace.c:3409 [inline] [<000000006869dd09>] __se_sys_mount fs/namespace.c:3386 [inline] [<000000006869dd09>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<00000000f52e7699>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<00000000069f1543>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810005ab80 (size 32): comm "syz-executor.4", pid 8275, jiffies 4295047090 (age 9.400s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 30 39 30 00 00 00 00 00 00 4295047090...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000a10015b>] kmalloc include/linux/slab.h:555 [inline] [<000000000a10015b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000000a10015b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008d92e0fb>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d6a7f8c1>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000001c42274f>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000b0a310fa>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<000000003268f2e1>] do_new_mount fs/namespace.c:2874 [inline] [<000000003268f2e1>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<000000006869dd09>] __do_sys_mount fs/namespace.c:3409 [inline] [<000000006869dd09>] __se_sys_mount fs/namespace.c:3386 [inline] [<000000006869dd09>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<00000000f52e7699>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<00000000069f1543>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888100a9bc80 (size 32): comm "syz-executor.0", pid 8273, jiffies 4295047090 (age 9.400s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 30 39 30 00 00 00 00 00 00 4295047090...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000a10015b>] kmalloc include/linux/slab.h:555 [inline] [<000000000a10015b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000000a10015b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008d92e0fb>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d6a7f8c1>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000001c42274f>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000b0a310fa>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<000000003268f2e1>] do_new_mount fs/namespace.c:2874 [inline] [<000000003268f2e1>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<000000006869dd09>] __do_sys_mount fs/namespace.c:3409 [inline] [<000000006869dd09>] __se_sys_mount fs/namespace.c:3386 [inline] [<000000006869dd09>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<00000000f52e7699>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<00000000069f1543>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810005a6c0 (size 32): comm "syz-executor.2", pid 8334, jiffies 4295047107 (age 9.230s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 31 30 37 00 00 00 00 00 00 4295047107...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000a10015b>] kmalloc include/linux/slab.h:555 [inline] [<000000000a10015b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000000a10015b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008d92e0fb>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d6a7f8c1>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000001c42274f>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000b0a310fa>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<000000003268f2e1>] do_new_mount fs/namespace.c:2874 [inline] [<000000003268f2e1>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<000000006869dd09>] __do_sys_mount fs/namespace.c:3409 [inline] [<000000006869dd09>] __se_sys_mount fs/namespace.c:3386 [inline] [<000000006869dd09>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<00000000f52e7699>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<00000000069f1543>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888100bcb1e0 (size 32): comm "syz-executor.4", pid 8335, jiffies 4295047107 (age 9.230s) hex dump (first 32 bytes): 34 32 39 35 30 34 37 31 30 37 00 30 30 30 30 30 4295047107.00000 30 34 00 00 00 00 00 00 23 d2 48 81 ff ff ff ff 04......#.H..... backtrace: [<000000000a10015b>] kmalloc include/linux/slab.h:555 [inline] [<000000000a10015b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000000a10015b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<000000008d92e0fb>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d6a7f8c1>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000001c42274f>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000b0a310fa>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<000000003268f2e1>] do_new_mount fs/namespace.c:2874 [inline] [<000000003268f2e1>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<000000006869dd09>] __do_sys_mount fs/namespace.c:3409 [inline] [<000000006869dd09>] __se_sys_mount fs/namespace.c:3386 [inline] [<000000006869dd09>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<00000000f52e7699>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<00000000069f1543>] entry_SYSCALL_64_after_hwframe+0x44/0xa9