Hello, Hit the following BUG while fuzzing 3.14.0-rc3 with trinity. Tommi [708836.755392] ------------[ cut here ]------------ [708836.756044] kernel BUG at /build/linux/security/keys/keyring.c:1003! [708836.756044] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [708836.756044] CPU: 0 PID: 5594 Comm: trinity-c26 Not tainted 3.14.0-rc3 #1 [708836.756044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [708836.756044] task: ffff880036a3ca40 ti: ffff880003e6e000 task.ti: ffff880003e6e000 [708836.756044] RIP: 0010:[<ffffffff814ac7be>] [<ffffffff814ac7be>] keyring_detect_cycle_iterator+0xe/0x20 [708836.756044] RSP: 0000:ffff880003e6fdb0 EFLAGS: 00010206 [708836.756044] RAX: ffff880056025b82 RBX: 000000000000003a RCX: 0000000000000003 [708836.756044] RDX: 0000000000000003 RSI: ffff880003e6fe98 RDI: ffff880056025b80 [708836.756044] RBP: ffff880003e6fdb0 R08: 0000000000000064 R09: 0000000000000000 [708836.756044] R10: ffff880036a3ca40 R11: 0000000000000000 R12: ffff880003e6fe98 [708836.756044] R13: 0000000000000000 R14: ffff880003e6fe98 R15: ffff88006c950780 [708836.756044] FS: 00007f88ae6bd700(0000) GS:ffff8800bf600000(0000) knlGS:0000000000000000 [708836.756044] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [708836.756044] CR2: 0000000000000004 CR3: 000000003ba4d000 CR4: 00000000000006f0 [708836.756044] DR0: 0000000000899000 DR1: 000000000115a000 DR2: 0000000001b66000 [708836.756044] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [708836.756044] Stack: [708836.756044] ffff880003e6fe80 ffffffff814ac9e2 ffffffff81078869 ffff880003e6fdf0 [708836.756044] ffffffff81179f4d ffff8800bf7d5a40 00000000001d5a40 0000000000000000 [708836.756044] ffff88006c950780 0000000000000000 0000000000000002 0000000000000001 [708836.756044] Call Trace: [708836.756044] [<ffffffff814ac9e2>] search_nested_keyrings+0xf2/0x340 [708836.756044] [<ffffffff81078869>] ? sched_clock+0x9/0x10 [708836.756044] [<ffffffff81179f4d>] ? sched_clock_local+0x1d/0x90 [708836.756044] [<ffffffff814ad246>] ? __key_link_check_live_key+0x26/0x160 [708836.756044] [<ffffffff814ad303>] __key_link_check_live_key+0xe3/0x160 [708836.756044] [<ffffffff814ad246>] ? __key_link_check_live_key+0x26/0x160 [708836.756044] [<ffffffff814ac7b0>] ? keyring_instantiate+0xf0/0xf0 [708836.756044] [<ffffffff814ad4ac>] key_link+0x5c/0xb0 [708836.756044] [<ffffffff814adfee>] keyctl_keyring_link+0x7e/0xb0 [708836.756044] [<ffffffff814af508>] SyS_keyctl+0x98/0x1a0 [708836.756044] [<ffffffff82381209>] ia32_do_call+0x13/0x13 [708836.756044] Code: c0 eb 12 66 2e 0f 1f 84 00 00 00 00 00 31 c0 66 0f 1f 44 00 00 5b 41 5c 5d f3 c3 66 90 48 83 e7 fc 48 39 7e 28 55 48 89 e5 74 02 <0f> 0b b8 01 00 00 00 48 c7 46 48 dd ff ff ff 5d c3 90 55 48 89 [708836.756044] RIP [<ffffffff814ac7be>] keyring_detect_cycle_iterator+0xe/0x20 [708836.756044] RSP <ffff880003e6fdb0> [708836.855231] ---[ end trace e2b699c76aca5cff ]--- -- To unsubscribe from this list: send the line "unsubscribe trinity" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html