kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 8730 Comm: syz-executor.1 Not tainted 4.14.145 #0 kobject: 'nr0' (ffff88805a2e1270): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88805bb48740 task.stack: ffff888059a40000 RIP: 0010:tcp_sendmsg_locked+0x50e/0x3200 net/ipv4/tcp.c:1281 RSP: 0018:ffff888059a47aa8 EFLAGS: 00010206 RAX: 0000000000000012 RBX: 0000000000000000 RCX: ffffc9000a267000 RDX: 0000000000000153 RSI: ffffffff85240e44 RDI: 0000000000000090 RBP: ffff888059a47c40 R08: 0000000000000001 R09: ffff88805bb48fe0 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88807c04c7c0 R14: ffff888059a47d60 R15: ffff888077c0c000 kobject: 'nr0' (ffff88805a2e1270): fill_kobj_path: path = '/devices/virtual/net/nr0' FS: 00007fcd5b578700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001df1f40 CR3: 00000000847ee000 CR4: 00000000001406f0 DR0: 00000000200000c0 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: kobject: 'queues' (ffff88807bc8c748): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (ffff88807bc8c748): kobject_uevent_env tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1457 inet_sendmsg+0x122/0x500 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 kobject: 'queues' (ffff88807bc8c748): kobject_uevent_env: filter function caused the event to drop! SYSC_sendto+0x206/0x310 net/socket.c:1763 kobject: 'rx-0' (ffff88809c5fae50): kobject_add_internal: parent: 'queues', set: 'queues' SyS_sendto+0x40/0x50 net/socket.c:1731 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459a09 kobject: 'rx-0' (ffff88809c5fae50): kobject_uevent_env RSP: 002b:00007fcd5b577c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459a09 RDX: fffffffffffffccf RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: ffffffffffffff37 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd5b5786d4 kobject: 'rx-0' (ffff88809c5fae50): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' R13: 00000000004c79ac R14: 00000000004dd400 R15: 00000000ffffffff Code: d4 38 fc 4d 85 ed 0f 84 40 kobject: 'tx-0' (ffff888066457798): kobject_add_internal: parent: 'queues', set: 'queues' 08 00 00 e8 ac d4 38 fc 8b 85 78 ff ff ff 48 8d bb 90 00 00 00 89 85 50 ff kobject: 'tx-0' (ffff888066457798): kobject_uevent_env ff ff 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 kobject: 'tx-0' (ffff888066457798): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' c0 74 06 0f 8e 4a 25 00 00 f6 83 90 00 00 00 device nr0 entered promiscuous mode RIP: tcp_sendmsg_locked+0x50e/0x3200 net/ipv4/tcp.c:1281 RSP: ffff888059a47aa8 ---[ end trace c2333ef22a88e77f ]--- net_ratelimit: 15 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0