Mike Galbraith <efa...@gmx.de> wrote: > [ 21.219604] ip6_tables: (C) 2000-2006 Netfilter Core Team > [ 21.433091] nf_conntrack version 0.5.0 (65536 buckets, 262144 max) > [ 21.495849] ip_tables: (C) 2000-2006 Netfilter Core Team > [ 22.404040] ------------[ cut here ]------------ > [ 22.404267] WARNING: CPU: 2 PID: 1379 at net/netfilter/core.c:218 > __nf_hook_entries_try_shrink+0xf7/0x110
The WARN_ON is bogus, I sent a patch to remove it. > Met 10 of those during this boot. The first time I booted, the > warnings were followed by the explosion below, but that kernel was not > entirely virgin, so add a pinch of salt. > > [ 48.592298] Ebtables v2.0 registered > [ 48.730755] BUG: unable to handle kernel NULL pointer dereference at > 000000000000003c > [ 48.732723] IP: _raw_read_lock_bh+0x15/0x30 > [ 48.734526] PGD 0 P4D 0 > [ 48.736482] Oops: 0002 [#1] SMP > [ 48.738317] Dumping ftrace buffer: > [ 48.740260] (ftrace buffer empty) > [ 48.775370] RIP: 0010:_raw_read_lock_bh+0x15/0x30 > [ 48.776496] RSP: 0018:ffff88041ec83bd0 EFLAGS: 00010286 > [ 48.777414] RAX: 0000000000000100 RBX: 0000000000000001 RCX: > 0000000000000000 > [ 48.778302] RDX: 0000000000000000 RSI: ffff88041ec83ca8 RDI: > 000000000000003c > [ 48.779189] RBP: 0000000000000000 R08: 0000000000000001 R09: > 00000000088a0c8d > [ 48.780072] R10: 0000000000000000 R11: 0000000000007b00 R12: > ffff8803cdcc1300 > [ 48.780950] R13: ffff8803cdcc1300 R14: 0000000000000000 R15: > ffff8803f1b8b000 > [ 48.781845] FS: 0000000000000000(0000) GS:ffff88041ec80000(0000) > knlGS:0000000000000000 > [ 48.782727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 48.783533] CR2: 000000000000003c CR3: 00000003f19fa001 CR4: > 00000000001606e0 > [ 48.784348] Call Trace: > [ 48.785160] <IRQ> > [ 48.786004] ebt_do_table+0x3b/0x6ca [ebtables] > [ 48.786900] ? dequeue_rt_stack+0x4c/0x290 > [ 48.787792] ? enqueue_task_rt+0x1da/0x300 > [ 48.789001] nf_hook_slow+0x37/0xb0 > [ 48.790662] br_pass_frame_up+0xbe/0xd0 [bridge] Haven't seen that before, I will investigate.
