syzbot


WARNING: refcount bug in qrtr_node_lookup
Status: upstream: reported C repro on 2020/09/07 21:18
Reported-by: syzbot+c613e88b3093ebf3686e@syzkaller.appspotmail.com
First crash: 406d, last: 80d

Cause bisection: introduced by (bisect log) :
commit e42671084361302141a09284fde9bbc14fdd16bf
Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Date: Thu May 7 12:53:06 2020 +0000

  net: qrtr: Do not depend on ARCH_QCOM

Crash: WARNING: refcount bug in qrtr_node_lookup (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 7e78c597c3ebfd0cb329aa09a838734147e4f117
Author: Xiaolong Huang <butterflyhuangxx@gmail.com>
Date: Thu Aug 19 19:50:34 2021 +0000

  net: qrtr: fix another OOB Read in qrtr_endpoint_post

duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
WARNING: refcount bug in qrtr_recvmsg C error 76 62d 404d 0/22 closed as dup on 2021/01/20 14:30
Patch testing requests:
Created Duration User Patch Repo Result
2021/09/03 04:28 21m hdanton@sina.com patch upstream report log
2021/09/02 00:53 12m hdanton@sina.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git b91db6a0b52e report log
2021/09/01 03:06 6m hdanton@sina.com patch upstream error
2020/09/08 20:06 17m anant.thazhemadam@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK
2020/09/08 19:58 17m dragonjetli@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK
2020/09/08 19:58 18m dragonjetli@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK
2020/09/08 10:26 17m dragonjetli@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK

Sample crash report:

Crashes (16):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/09/21 18:28 upstream ba4f184e126b 9e1fa68e .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/06 04:04 upstream 9322c47b21b9 abf9ba4f .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/07/28 21:20 upstream 4010a528219e 9a4781d4 .config log report info WARNING: refcount bug in qrtr_node_lookup
ci-upstream-kasan-gce-smack-root 2021/07/22 03:19 upstream 7b6ae471e541 29c3f20f .config log report info WARNING: refcount bug in qrtr_node_lookup
ci-upstream-kasan-gce-smack-root 2021/05/22 06:21 upstream 45af60e7ced0 3c7fef33 .config log report info WARNING: refcount bug in qrtr_node_lookup
ci-upstream-kasan-gce-smack-root 2021/04/25 07:39 upstream 2a1d7946fa53 36c88236 .config log report info WARNING: refcount bug in qrtr_node_lookup
ci-upstream-kasan-gce-smack-root 2021/04/13 20:05 upstream 89698becf06d a184b83e .config log report info WARNING: refcount bug in qrtr_node_lookup
ci-upstream-kasan-gce-smack-root 2021/03/28 07:24 upstream 0f4498cef9f5 a8529b82 .config log report info WARNING: refcount bug in qrtr_node_lookup
ci-upstream-kasan-gce-smack-root 2021/01/22 22:50 upstream 83d09ad4b950 4080af96 .config log report info WARNING: refcount bug in qrtr_node_lookup
ci-upstream-kasan-gce-smack-root 2020/12/11 08:10 upstream 33dc9614dc20 f900b48c .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/08 19:36 upstream cd796ed33450 a7f7f4a4 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/14 06:02 upstream f01c30de86f1 1bf9a662 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/07 13:20 upstream 659caaf65dc9 64069d48 .config log report info
ci-upstream-kasan-gce-smack-root 2020/10/05 06:37 upstream 549738f15da0 5ef9c291 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/26 06:29 upstream 7c7ec3226f5f 4a006f63 .config log report info
ci-upstream-kasan-gce-smack-root 2020/09/20 01:42 upstream eb5f95f1593f 53ce8104 .config log report info