BUG: memory leak unreferenced object 0xffff888106413320 (size 32): comm "syz-executor.2", pid 8356, jiffies 4295035570 (age 15.960s) hex dump (first 32 bytes): 34 32 39 35 30 33 35 35 37 30 00 00 00 00 00 00 4295035570...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e9d6b755>] kmalloc include/linux/slab.h:555 [inline] [<00000000e9d6b755>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000e9d6b755>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000a910a1c2>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d53b8964>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000007d3acd53>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000bc4ae4e1>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<0000000080d9c03c>] do_new_mount fs/namespace.c:2875 [inline] [<0000000080d9c03c>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000e0ea68fc>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000e0ea68fc>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000e0ea68fc>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000f61af521>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000008a63ba83>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810643c7a0 (size 32): comm "syz-executor.0", pid 8354, jiffies 4295035570 (age 15.960s) hex dump (first 32 bytes): 34 32 39 35 30 33 35 35 37 30 00 6e 65 74 2f 73 4295035570.net/s 79 7a 33 00 00 00 00 00 00 00 00 00 00 00 00 00 yz3............. backtrace: [<00000000e9d6b755>] kmalloc include/linux/slab.h:555 [inline] [<00000000e9d6b755>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000e9d6b755>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000a910a1c2>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d53b8964>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000007d3acd53>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000bc4ae4e1>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<0000000080d9c03c>] do_new_mount fs/namespace.c:2875 [inline] [<0000000080d9c03c>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000e0ea68fc>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000e0ea68fc>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000e0ea68fc>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000f61af521>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000008a63ba83>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810649b840 (size 32): comm "syz-executor.7", pid 8396, jiffies 4295035609 (age 15.570s) hex dump (first 32 bytes): 34 32 39 35 30 33 35 36 30 39 00 00 00 00 00 00 4295035609...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e9d6b755>] kmalloc include/linux/slab.h:555 [inline] [<00000000e9d6b755>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000e9d6b755>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000a910a1c2>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d53b8964>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000007d3acd53>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000bc4ae4e1>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<0000000080d9c03c>] do_new_mount fs/namespace.c:2875 [inline] [<0000000080d9c03c>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000e0ea68fc>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000e0ea68fc>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000e0ea68fc>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000f61af521>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000008a63ba83>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881064130c0 (size 32): comm "syz-executor.4", pid 8422, jiffies 4295036232 (age 9.340s) hex dump (first 32 bytes): 34 32 39 35 30 33 36 32 33 32 00 00 00 00 ad de 4295036232...... 33 33 00 00 00 01 00 00 00 00 00 00 00 00 00 00 33.............. backtrace: [<00000000e9d6b755>] kmalloc include/linux/slab.h:555 [inline] [<00000000e9d6b755>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000e9d6b755>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000a910a1c2>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d53b8964>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000007d3acd53>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000bc4ae4e1>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<0000000080d9c03c>] do_new_mount fs/namespace.c:2875 [inline] [<0000000080d9c03c>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000e0ea68fc>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000e0ea68fc>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000e0ea68fc>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000f61af521>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000008a63ba83>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881064aaa20 (size 32): comm "syz-executor.3", pid 8415, jiffies 4295036235 (age 9.310s) hex dump (first 32 bytes): 34 32 39 35 30 33 36 32 33 35 00 00 00 00 00 00 4295036235...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e9d6b755>] kmalloc include/linux/slab.h:555 [inline] [<00000000e9d6b755>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<00000000e9d6b755>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000a910a1c2>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000d53b8964>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<000000007d3acd53>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<00000000bc4ae4e1>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<0000000080d9c03c>] do_new_mount fs/namespace.c:2875 [inline] [<0000000080d9c03c>] do_mount+0xa63/0xe40 fs/namespace.c:3200 [<00000000e0ea68fc>] __do_sys_mount fs/namespace.c:3410 [inline] [<00000000e0ea68fc>] __se_sys_mount fs/namespace.c:3387 [inline] [<00000000e0ea68fc>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387 [<00000000f61af521>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000008a63ba83>] entry_SYSCALL_64_after_hwframe+0x44/0xa9