Messages in this thread | | | Date | Thu, 03 Jan 2019 05:07:03 -0800 | Subject | kernel panic: stack is corrupted in udp4_lib_lookup2 | From | syzbot <> |
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Hello,
syzbot found the following crash on:
HEAD commit: 195303136f19 Merge tag 'kconfig-v4.21-2' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12245d8f400000 kernel config: https://syzkaller.appspot.com/x/.config?x=5e7dc790609552d7 dashboard link: https://syzkaller.appspot.com/bug?extid=4ad25edc7a33e4ab91e0 compiler: gcc (GCC) 8.0.1 20180413 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+4ad25edc7a33e4ab91e0@syzkaller.appspotmail.com
protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 FAT-fs (loop0): invalid media value (0x00) FAT-fs (loop0): Can't find a valid FAT filesystem Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: udp4_lib_lookup2+0x7ea/0x7f0 net/ipv4/udp.c:455 CPU: 1 PID: 17960 Comm: syz-executor2 Not tainted 4.20.0+ #176 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Kernel Offset: disabled Rebooting in 86400 seconds..
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