syzbot


INFO: rcu detected stall in ext4_file_write_iter
Status: public: reported syz repro on 2019/04/23 08:58
Reported-by: syzbot+829a98851a62c9e37e2c@syzkaller.appspotmail.com
First crash: 116d, last: 75d
similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 INFO: rcu detected stall in ext4_file_write_iter C 3 49d 127d 0/1 upstream: reported C repro on 2019/04/12 16:30
upstream INFO: rcu detected stall in ext4_file_write_iter C cause 51 28d 172d 0/13 upstream: reported C repro on 2019/02/26 06:50
linux-4.19 INFO: rcu detected stall in ext4_file_write_iter C 3 56d 119d 0/1 upstream: reported C repro on 2019/04/20 13:09

Sample crash report:

All crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-android-49-kasan-gce-root 2019/04/23 07:57 android-4.9 1ef64dae 53199d6e .config log report syz adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu
ci-android-49-kasan-gce-root 2019/06/03 13:41 android-4.9 3434ddb2 63bf051f .config log report adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu