Messages in this thread | | | Date | Mon, 25 May 2020 20:14:14 -0700 | Subject | INFO: trying to register non-static key in calculate_sigpending | From | syzbot <> |
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Hello,
syzbot found the following crash on:
HEAD commit: d2f8825a Merge tag 'for_linus' of git://git.kernel.org/pub.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12470c26100000 kernel config: https://syzkaller.appspot.com/x/.config?x=b3368ce0cc5f5ace dashboard link: https://syzkaller.appspot.com/bug?extid=eb1b67ef4194d8f9ebff compiler: gcc (GCC) 9.0.0 20181231 (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+eb1b67ef4194d8f9ebff@syzkaller.appspotmail.com
INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 1080 Comm: syz-executor.4 Not tainted 5.7.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:913 [inline] register_lock_class+0x1664/0x1760 kernel/locking/lockdep.c:1225 __lock_acquire+0x104/0x4c50 kernel/locking/lockdep.c:4234 lock_acquire+0x1f2/0x8f0 kernel/locking/lockdep.c:4934 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x5b/0x80 kernel/locking/spinlock.c:167 spin_lock_irq include/linux/spinlock.h:378 [inline] calculate_sigpending+0x42/0xa0 kernel/signal.c:196 ret_from_fork+0x8/0x30 arch/x86/entry/entry_64.S:335
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