BUG: memory leak unreferenced object 0xffff888106a10e00 (size 32): comm "syz-executor.3", pid 8413, jiffies 4295046895 (age 9.350s) hex dump (first 32 bytes): 34 32 39 35 30 34 36 38 39 35 00 00 00 00 00 00 4295046895...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000006310991e>] kmalloc include/linux/slab.h:555 [inline] [<000000006310991e>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000006310991e>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000f377926f>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000665c3fe8>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<00000000cd9aafe8>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000006cd9c764>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000de9cfc78>] do_new_mount fs/namespace.c:2874 [inline] [<00000000de9cfc78>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<00000000d96865e7>] __do_sys_mount fs/namespace.c:3409 [inline] [<00000000d96865e7>] __se_sys_mount fs/namespace.c:3386 [inline] [<00000000d96865e7>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<000000003bd6fab8>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<0000000098b4d3f5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810685e740 (size 32): comm "syz-executor.7", pid 8410, jiffies 4295046895 (age 9.350s) hex dump (first 32 bytes): 34 32 39 35 30 34 36 38 39 35 00 00 00 00 00 00 4295046895...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000006310991e>] kmalloc include/linux/slab.h:555 [inline] [<000000006310991e>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000006310991e>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000f377926f>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000665c3fe8>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<00000000cd9aafe8>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000006cd9c764>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000de9cfc78>] do_new_mount fs/namespace.c:2874 [inline] [<00000000de9cfc78>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<00000000d96865e7>] __do_sys_mount fs/namespace.c:3409 [inline] [<00000000d96865e7>] __se_sys_mount fs/namespace.c:3386 [inline] [<00000000d96865e7>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<000000003bd6fab8>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<0000000098b4d3f5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810685e720 (size 32): comm "syz-executor.4", pid 8408, jiffies 4295046895 (age 9.350s) hex dump (first 32 bytes): 34 32 39 35 30 34 36 38 39 35 00 00 00 00 00 00 4295046895...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000006310991e>] kmalloc include/linux/slab.h:555 [inline] [<000000006310991e>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000006310991e>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000f377926f>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000665c3fe8>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<00000000cd9aafe8>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000006cd9c764>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000de9cfc78>] do_new_mount fs/namespace.c:2874 [inline] [<00000000de9cfc78>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<00000000d96865e7>] __do_sys_mount fs/namespace.c:3409 [inline] [<00000000d96865e7>] __se_sys_mount fs/namespace.c:3386 [inline] [<00000000d96865e7>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<000000003bd6fab8>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<0000000098b4d3f5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810685e640 (size 32): comm "syz-executor.1", pid 8407, jiffies 4295046895 (age 9.350s) hex dump (first 32 bytes): 34 32 39 35 30 34 36 38 39 35 00 00 00 00 00 00 4295046895...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000006310991e>] kmalloc include/linux/slab.h:555 [inline] [<000000006310991e>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000006310991e>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000f377926f>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000665c3fe8>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<00000000cd9aafe8>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000006cd9c764>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000de9cfc78>] do_new_mount fs/namespace.c:2874 [inline] [<00000000de9cfc78>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<00000000d96865e7>] __do_sys_mount fs/namespace.c:3409 [inline] [<00000000d96865e7>] __se_sys_mount fs/namespace.c:3386 [inline] [<00000000d96865e7>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<000000003bd6fab8>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<0000000098b4d3f5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888106a10c80 (size 32): comm "syz-executor.6", pid 8414, jiffies 4295046900 (age 9.300s) hex dump (first 32 bytes): 34 32 39 35 30 34 36 39 30 30 00 72 74 75 61 6c 4295046900.rtual 2f 62 64 69 2f 39 70 2d 31 38 00 00 00 00 00 00 /bdi/9p-18...... backtrace: [<000000006310991e>] kmalloc include/linux/slab.h:555 [inline] [<000000006310991e>] v9fs_random_cachetag fs/9p/cache.c:36 [inline] [<000000006310991e>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52 [<00000000f377926f>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470 [<00000000665c3fe8>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124 [<00000000cd9aafe8>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592 [<000000006cd9c764>] vfs_get_tree+0x28/0xe0 fs/super.c:1547 [<00000000de9cfc78>] do_new_mount fs/namespace.c:2874 [inline] [<00000000de9cfc78>] do_mount+0xa5b/0xe40 fs/namespace.c:3199 [<00000000d96865e7>] __do_sys_mount fs/namespace.c:3409 [inline] [<00000000d96865e7>] __se_sys_mount fs/namespace.c:3386 [inline] [<00000000d96865e7>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386 [<000000003bd6fab8>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<0000000098b4d3f5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9