batman_adv: batadv0: Interface activated: batadv_slave_1 infiniband syz1: set active infiniband syz1: added vlan0 general protection fault, probably for non-canonical address 0xdffffc0000000086: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000430-0x0000000000000437] CPU: 0 PID: 9831 Comm: syz-executor783 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rds_ib_add_one net/rds/ib.c:139 [inline] RIP: 0010:rds_ib_add_one+0xba/0xcb0 net/rds/ib.c:130 Code: 03 80 3c 02 00 0f 85 6c 0a 00 00 49 8b 9d a8 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 30 04 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 7e RSP: 0018:ffffc90002586f28 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87677f5b RDX: 0000000000000086 RSI: ffffffff87677f79 RDI: 0000000000000430 RBP: ffffc90002586f60 R08: ffff8880a32a43c0 R09: ffffed101511409c R10: ffffed101511409b R11: ffff8880a88a04df R12: ffff8880a88a0558 R13: ffff8880a88a0000 R14: ffffffff8a904d80 R15: ffffffff8a904e10 FS: 00000000014b6880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005600c67c7110 CR3: 000000009dfe9000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: add_client_context+0x3dd/0x550 drivers/infiniband/core/device.c:681 enable_device_and_get+0x1df/0x3c0 drivers/infiniband/core/device.c:1316 ib_register_device drivers/infiniband/core/device.c:1382 [inline] ib_register_device+0xa89/0xe40 drivers/infiniband/core/device.c:1343 rxe_register_device+0x52e/0x655 drivers/infiniband/sw/rxe/rxe_verbs.c:1231 rxe_add+0x122b/0x1661 drivers/infiniband/sw/rxe/rxe.c:302 rxe_net_add+0x91/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:539 rxe_newlink+0x39/0x90 drivers/infiniband/sw/rxe/rxe.c:318 nldev_newlink+0x28a/0x430 drivers/infiniband/core/nldev.c:1538 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:195 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x5d9/0x980 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:672 ____sys_sendmsg+0x753/0x880 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0x105/0x1d0 net/socket.c:2430 __do_sys_sendmsg net/socket.c:2439 [inline] __se_sys_sendmsg net/socket.c:2437 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x443499 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff26689658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443499 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007fff26689670 R08: 0000000001bbbbbb R09: 0000000001bbbbbb R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000404a30 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 323e37e670385b6f ]--- RIP: 0010:rds_ib_add_one net/rds/ib.c:139 [inline] RIP: 0010:rds_ib_add_one+0xba/0xcb0 net/rds/ib.c:130 Code: 03 80 3c 02 00 0f 85 6c 0a 00 00 49 8b 9d a8 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 30 04 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 7e RSP: 0018:ffffc90002586f28 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87677f5b RDX: 0000000000000086 RSI: ffffffff87677f79 RDI: 0000000000000430 RBP: ffffc90002586f60 R08: ffff8880a32a43c0 R09: ffffed101511409c R10: ffffed101511409b R11: ffff8880a88a04df R12: ffff8880a88a0558 R13: ffff8880a88a0000 R14: ffffffff8a904d80 R15: ffffffff8a904e10 FS: 00000000014b6880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005600c67c7110 CR3: 000000009dfe9000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400