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with SMTP id l15mr15340660itb.39.1560225907246; Mon, 10 Jun 2019 21:05:07 -0700 (PDT) Date: Mon, 10 Jun 2019 21:05:07 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f8a345058b046657@google.com> Subject: memory leak in nfs_get_client From: syzbot To: anna.schumaker@netapp.com, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, syzkaller-bugs@googlegroups.com, trond.myklebust@hammerspace.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: d1fdb6d8 Linux 5.2-rc4 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=117e0f71a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=cb38d33cd06d8d48 dashboard link: https://syzkaller.appspot.com/bug?extid=7fe11b49c1cc30e3fce2 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15a46001a00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=174b24d1a00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+7fe11b49c1cc30e3fce2@syzkaller.appspotmail.com fl=212 nc=0 na=0] BUG: memory leak unreferenced object 0xffff888121b91400 (size 1024): comm "syz-executor400", pid 6969, jiffies 4294941900 (age 18.210s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e758400 (size 1024): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 18.150s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118ef9360 (size 32): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 18.150s) hex dump (first 32 bytes): 00 71 54 04 00 ea ff ff c0 6e 9a 04 00 ea ff ff .qT......n...... c0 0b 81 04 00 ea ff ff c0 05 86 04 00 ea ff ff ................ backtrace: [<000000003e75bb46>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003e75bb46>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000003e75bb46>] slab_alloc mm/slab.c:3326 [inline] [<000000003e75bb46>] __do_kmalloc mm/slab.c:3658 [inline] [<000000003e75bb46>] __kmalloc_track_caller+0x15d/0x2c0 mm/slab.c:3675 [<0000000010f1326b>] kstrdup+0x3a/0x70 mm/util.c:52 [<0000000070b2f357>] nfs_alloc_client+0xbd/0x170 fs/nfs/client.c:169 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888121b91400 (size 1024): comm "syz-executor400", pid 6969, jiffies 4294941900 (age 19.230s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e758400 (size 1024): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 19.170s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118ef9360 (size 32): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 19.170s) hex dump (first 32 bytes): 00 71 54 04 00 ea ff ff c0 6e 9a 04 00 ea ff ff .qT......n...... c0 0b 81 04 00 ea ff ff c0 05 86 04 00 ea ff ff ................ backtrace: [<000000003e75bb46>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003e75bb46>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000003e75bb46>] slab_alloc mm/slab.c:3326 [inline] [<000000003e75bb46>] __do_kmalloc mm/slab.c:3658 [inline] [<000000003e75bb46>] __kmalloc_track_caller+0x15d/0x2c0 mm/slab.c:3675 [<0000000010f1326b>] kstrdup+0x3a/0x70 mm/util.c:52 [<0000000070b2f357>] nfs_alloc_client+0xbd/0x170 fs/nfs/client.c:169 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888121b91400 (size 1024): comm "syz-executor400", pid 6969, jiffies 4294941900 (age 21.200s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e758400 (size 1024): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 21.140s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118ef9360 (size 32): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 21.140s) hex dump (first 32 bytes): 00 71 54 04 00 ea ff ff c0 6e 9a 04 00 ea ff ff .qT......n...... c0 0b 81 04 00 ea ff ff c0 05 86 04 00 ea ff ff ................ backtrace: [<000000003e75bb46>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003e75bb46>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000003e75bb46>] slab_alloc mm/slab.c:3326 [inline] [<000000003e75bb46>] __do_kmalloc mm/slab.c:3658 [inline] [<000000003e75bb46>] __kmalloc_track_caller+0x15d/0x2c0 mm/slab.c:3675 [<0000000010f1326b>] kstrdup+0x3a/0x70 mm/util.c:52 [<0000000070b2f357>] nfs_alloc_client+0xbd/0x170 fs/nfs/client.c:169 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888121b91400 (size 1024): comm "syz-executor400", pid 6969, jiffies 4294941900 (age 22.200s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e758400 (size 1024): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 22.140s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118ef9360 (size 32): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 22.140s) hex dump (first 32 bytes): 00 71 54 04 00 ea ff ff c0 6e 9a 04 00 ea ff ff .qT......n...... c0 0b 81 04 00 ea ff ff c0 05 86 04 00 ea ff ff ................ backtrace: [<000000003e75bb46>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003e75bb46>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000003e75bb46>] slab_alloc mm/slab.c:3326 [inline] [<000000003e75bb46>] __do_kmalloc mm/slab.c:3658 [inline] [<000000003e75bb46>] __kmalloc_track_caller+0x15d/0x2c0 mm/slab.c:3675 [<0000000010f1326b>] kstrdup+0x3a/0x70 mm/util.c:52 [<0000000070b2f357>] nfs_alloc_client+0xbd/0x170 fs/nfs/client.c:169 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888121b91400 (size 1024): comm "syz-executor400", pid 6969, jiffies 4294941900 (age 23.180s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e758400 (size 1024): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 23.120s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118ef9360 (size 32): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 23.120s) hex dump (first 32 bytes): 00 71 54 04 00 ea ff ff c0 6e 9a 04 00 ea ff ff .qT......n...... c0 0b 81 04 00 ea ff ff c0 05 86 04 00 ea ff ff ................ backtrace: [<000000003e75bb46>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003e75bb46>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000003e75bb46>] slab_alloc mm/slab.c:3326 [inline] [<000000003e75bb46>] __do_kmalloc mm/slab.c:3658 [inline] [<000000003e75bb46>] __kmalloc_track_caller+0x15d/0x2c0 mm/slab.c:3675 [<0000000010f1326b>] kstrdup+0x3a/0x70 mm/util.c:52 [<0000000070b2f357>] nfs_alloc_client+0xbd/0x170 fs/nfs/client.c:169 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888121b91400 (size 1024): comm "syz-executor400", pid 6969, jiffies 4294941900 (age 24.200s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e758400 (size 1024): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 24.140s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118ef9360 (size 32): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 24.140s) hex dump (first 32 bytes): 00 71 54 04 00 ea ff ff c0 6e 9a 04 00 ea ff ff .qT......n...... c0 0b 81 04 00 ea ff ff c0 05 86 04 00 ea ff ff ................ backtrace: [<000000003e75bb46>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003e75bb46>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000003e75bb46>] slab_alloc mm/slab.c:3326 [inline] [<000000003e75bb46>] __do_kmalloc mm/slab.c:3658 [inline] [<000000003e75bb46>] __kmalloc_track_caller+0x15d/0x2c0 mm/slab.c:3675 [<0000000010f1326b>] kstrdup+0x3a/0x70 mm/util.c:52 [<0000000070b2f357>] nfs_alloc_client+0xbd/0x170 fs/nfs/client.c:169 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888121b91400 (size 1024): comm "syz-executor400", pid 6969, jiffies 4294941900 (age 25.180s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e758400 (size 1024): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 25.120s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c69e9c0>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000009c69e9c0>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000009c69e9c0>] slab_alloc mm/slab.c:3326 [inline] [<000000009c69e9c0>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<000000007d1011ce>] kmalloc include/linux/slab.h:547 [inline] [<000000007d1011ce>] kzalloc include/linux/slab.h:742 [inline] [<000000007d1011ce>] nfs_alloc_client+0x2e/0x170 fs/nfs/client.c:152 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888118ef9360 (size 32): comm "syz-executor400", pid 6973, jiffies 4294941906 (age 25.120s) hex dump (first 32 bytes): 00 71 54 04 00 ea ff ff c0 6e 9a 04 00 ea ff ff .qT......n...... c0 0b 81 04 00 ea ff ff c0 05 86 04 00 ea ff ff ................ backtrace: [<000000003e75bb46>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000003e75bb46>] slab_post_alloc_hook mm/slab.h:439 [inline] [<000000003e75bb46>] slab_alloc mm/slab.c:3326 [inline] [<000000003e75bb46>] __do_kmalloc mm/slab.c:3658 [inline] [<000000003e75bb46>] __kmalloc_track_caller+0x15d/0x2c0 mm/slab.c:3675 [<0000000010f1326b>] kstrdup+0x3a/0x70 mm/util.c:52 [<0000000070b2f357>] nfs_alloc_client+0xbd/0x170 fs/nfs/client.c:169 [<000000007f1bdfa5>] nfs_get_client+0x1cb/0x500 fs/nfs/client.c:425 [<000000004dc18603>] nfs_init_server+0xc6/0x450 fs/nfs/client.c:671 [<0000000072615bbf>] nfs_create_server+0x83/0x1f0 fs/nfs/client.c:958 [<00000000d12e9a98>] nfs_try_mount+0x5a/0x350 fs/nfs/super.c:1883 [<00000000b2735769>] nfs_fs_mount+0x448/0xc52 fs/nfs/super.c:2719 [<000000000b19c7d0>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<00000000d4887a5c>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000008eec78b0>] do_new_mount fs/namespace.c:2790 [inline] [<000000008eec78b0>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000d0ad59a7>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000082fa14d6>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000082fa14d6>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000082fa14d6>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000ce916bab>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000070865558>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches