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Message-ID: <000000000000db71f005d0def148@google.com> Date: Mon, 15 Nov 2021 18:47:22 -0800 From: syzbot <syzbot+877d38583024775941be@...kaller.appspotmail.com> To: davem@...emloft.net, kuba@...nel.org, linux-hams@...r.kernel.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, ralf@...ux-mips.org, syzkaller-bugs@...glegroups.com Subject: [syzbot] INFO: trying to register non-static key in nr_release Hello, syzbot found the following issue on: HEAD commit: ca2ef2d9f2aa Merge tag 'kcsan.2021.11.11a' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15860f8ab00000 kernel config: https://syzkaller.appspot.com/x/.config?x=dcce4e862d74e466 dashboard link: https://syzkaller.appspot.com/bug?extid=877d38583024775941be compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+877d38583024775941be@...kaller.appspotmail.com INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 PID: 6116 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 assign_lock_key kernel/locking/lockdep.c:951 [inline] register_lock_class+0xf79/0x10c0 kernel/locking/lockdep.c:1263 __lock_acquire+0x105/0x54a0 kernel/locking/lockdep.c:4906 lock_acquire kernel/locking/lockdep.c:5637 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602 __raw_write_lock_bh include/linux/rwlock_api_smp.h:201 [inline] _raw_write_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:324 sock_orphan include/net/sock.h:1968 [inline] nr_release+0xc2/0x450 net/netrom/af_netrom.c:521 __sock_release+0xcd/0x280 net/socket.c:649 sock_close+0x18/0x20 net/socket.c:1314 __fput+0x286/0x9f0 fs/file_table.c:280 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0xc14/0x2b40 kernel/exit.c:832 do_group_exit+0x125/0x310 kernel/exit.c:929 get_signal+0x47d/0x2220 kernel/signal.c:2830 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f53b3d53ae9 Code: Unable to access opcode bytes at RIP 0x7f53b3d53abf. RSP: 002b:00007f53b1287218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f53b3e670e8 RCX: 00007f53b3d53ae9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f53b3e670e8 RBP: 00007f53b3e670e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53b3e670ec R13: 00007fff58d6162f R14: 00007f53b1287300 R15: 0000000000022000 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@...glegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
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