• Christian Borntraeger's avatar
    connector: fix regression introduced by sid connector · 0d0df599
    Christian Borntraeger authored
    Since commit 02b51df1 (proc connector: add
    event for process becoming session leader) we have the following warning:
    
    Badness at kernel/softirq.c:143
    [...]
    Krnl PSW : 0404c00180000000 00000000001481d4 (local_bh_enable+0xb0/0xe0)
    [...]
    Call Trace:
    ([<000000013fe04100>] 0x13fe04100)
     [<000000000048a946>] sk_filter+0x9a/0xd0
     [<000000000049d938>] netlink_broadcast+0x2c0/0x53c
     [<00000000003ba9ae>] cn_netlink_send+0x272/0x2b0
     [<00000000003baef0>] proc_sid_connector+0xc4/0xd4
     [<0000000000142604>] __set_special_pids+0x58/0x90
     [<0000000000159938>] sys_setsid+0xb4/0xd8
     [<00000000001187fe>] sysc_noemu+0x10/0x16
     [<00000041616cb266>] 0x41616cb266
    
    The warning is
    --->    WARN_ON_ONCE(in_irq() || irqs_disabled());
    
    The network code must not be called with disabled interrupts but
    sys_setsid holds the tasklist_lock with spinlock_irq while calling the
    connector.
    
    After a discussion we agreed that we can move proc_sid_connector from...
    0d0df599
exit.c 43.3 KB