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Groups > linux.kernel > #1684534

[PATCH 4.12 27/27] crypto: drbg - Fixes panic in wait_for_completion call

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4.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stephan Mueller <smueller@chronox.de>

commit b61929c654f2e725644935737c4c1ea9c741e2f8 upstream.

Initialise ctr_completion variable before use.

Cc: <stable@vger.kernel.org>
Signed-off-by: Harsh Jain <harshjain.prof@gmail.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 crypto/drbg.c |    1 +
 1 file changed, 1 insertion(+)

--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1691,6 +1691,7 @@ static int drbg_init_sym_kernel(struct d
 		return PTR_ERR(sk_tfm);
 	}
 	drbg->ctr_handle = sk_tfm;
+	init_completion(&drbg->ctr_completion);
 
 	req = skcipher_request_alloc(sk_tfm, GFP_KERNEL);
 	if (!req) {

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[PATCH 4.12 00/27] 4.12.1-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
  [PATCH 4.12 14/27] tpm: Issue a TPM2_Shutdown for TPM2 devices. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
  [PATCH 4.12 26/27] xen: avoid deadlock in xenbus driver Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
  [PATCH 4.12 05/27] usb: usbip: set buffer pointers to NULL after free Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
  [PATCH 4.12 02/27] RDMA/uverbs: Check port number supplied by user verbs cmds Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
  [PATCH 4.12 19/27] sched/core: Implement new approach to scale select_idle_cpu() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
  [PATCH 4.12 01/27] driver core: platform: fix race condition with driver_override Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
  [PATCH 4.12 06/27] Add USB quirk for HVR-950q to avoid intermittent device resets Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:20 +0200
  [PATCH 4.12 25/27] sched/numa: Hide numa_wake_affine() from UP build Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:30 +0200
  [PATCH 4.12 17/27] x86/uaccess: Optimize copy_user_enhanced_fast_string() for short strings Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:30 +0200
  [PATCH 4.12 04/27] USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 13/27] Add "shutdown" to "struct class". Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 11/27] xhci: Limit USB2 port wake support for AMD Promontory hosts Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 18/27] sched/fair, cpumask: Export for_each_cpu_wrap() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 23/27] sched/numa: Implement NUMA node level wake_affine() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 24/27] sched/fair: Remove effective_load() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 15/27] tpm: fix a kernel memory leak in tpm-sysfs.c Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 20/27] sched/numa: Use down_read_trylock() for the mmap_sem Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 08/27] USB: core: fix device node leak Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 12/27] gfs2: Fix glock rhashtable rcu bug Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 03/27] usb: dwc3: replace %p with %pK Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 27/27] crypto: drbg - Fixes panic in wait_for_completion call Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 22/27] sched/fair: Simplify wake_affine() for the single socket case Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  [PATCH 4.12 07/27] usb: Fix typo in the definition of Endpoint[out]Request Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-10 19:40 +0200
  Re: [PATCH 4.12 00/27] 4.12.1-stable review Guenter Roeck <linux@roeck-us.net> - 2017-07-11 03:30 +0200
    Re: [PATCH 4.12 00/27] 4.12.1-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-11 11:50 +0200

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