Hi, Fuzzing -mm tree with trinity in KVM trigered this:
[ 602.630207] kernel BUG at /home/kas/linux/mm/net/ipv6/raw.c:592! [ 602.630912] invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 602.631627] Modules linked in: [ 602.631969] CPU: 17 PID: 13535 Comm: trinity-c17 Not tainted 4.3.0-dirty #858 [ 602.632730] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.8.2-0-g33fbe13 by qemu-project.org 04/01/2014 [ 602.633079] task: ffff880852f298c0 ti: ffff8806d4648000 task.ti: ffff8806d4648000 [ 602.633079] RIP: 0010:[<ffffffff81859e21>] [<ffffffff81859e21>] rawv6_sendmsg+0xb31/0xb80 [ 602.633079] RSP: 0018:ffff8806d464bc30 EFLAGS: 00010282 [ 602.633079] RAX: 00000000fffffff2 RBX: 0000000000000030 RCX: 0000000000000002 [ 602.633079] RDX: ffff8806d464bce0 RSI: 0000000000000030 RDI: ffff88084ff9de00 [ 602.633079] RBP: ffff8806d464bd88 R08: 000000000000007c R09: 0000000000000009 [ 602.638114] R10: 0000000000000031 R11: 0000000000000000 R12: 0000000000000000 [ 602.638114] R13: ffff88084f685480 R14: ffff88084ff9de00 R15: ffff880791a7c000 [ 602.638114] FS: 00007f1fb31a8700(0000) GS:ffff880859800000(0000) knlGS:0000000000000000 [ 602.638114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 602.638114] CR2: 0000000000000004 CR3: 0000000832baa000 CR4: 00000000000006a0 [ 602.638114] DR0: ffffffff81000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 602.638114] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [ 602.638114] Stack: [ 602.638114] 0000000000000000 ffff880855ead000 ffff8806d464bd18 ffff880791a7c000 [ 602.638114] ffff880800000000 0000000000000000 0000000000000011 ffff88080000007c [ 602.638114] ffff880800000009 0000000000000001 0000000000000040 0000000000000000 [ 602.638114] Call Trace: [ 602.638114] [<ffffffff8108ced7>] ? sched_clock_local+0x17/0x80 [ 602.638114] [<ffffffff8143f9e7>] ? debug_smp_processor_id+0x17/0x20 [ 602.638114] [<ffffffff81808031>] ? inet_sendmsg+0xc1/0x1c0 [ 602.638114] [<ffffffff8180806e>] inet_sendmsg+0xfe/0x1c0 [ 602.638114] [<ffffffff81807f75>] ? inet_sendmsg+0x5/0x1c0 [ 602.638114] [<ffffffff8175a747>] sock_sendmsg+0x17/0x30 [ 602.638114] [<ffffffff8175a7de>] sock_write_iter+0x7e/0xd0 [ 602.638114] [<ffffffff811e684a>] __vfs_write+0xaa/0xf0 [ 602.638114] [<ffffffff811e7067>] vfs_write+0xa7/0x1a0 [ 602.638114] [<ffffffff812062ef>] ? __fget_light+0x6f/0x90 [ 602.638114] [<ffffffff811e7ccd>] SyS_write+0x4d/0xc0 [ 602.638114] [<ffffffff8189df17>] entry_SYSCALL_64_fastpath+0x12/0x6f [ 602.638114] Code: 00 00 e9 15 f9 ff ff ba ff ff ff ff 66 89 94 24 b0 00 00 00 e9 bf fe ff ff e8 2c 42 87 ff 85 c0 74 19 49 8b 46 58 e9 b1 fd ff ff <0f> 0b f7 d0 41 01 c0 41 83 d0 00 e9 5e fe ff ff e8 7a 43 87 ff [ 602.638114] RIP [<ffffffff81859e21>] rawv6_sendmsg+0xb31/0xb80 [ 602.638114] RSP <ffff8806d464bc30> -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
