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72cc654970
Hold RTNL lock when calling xdp_set_features() with a registered netdev,
as the call triggers the netdev notifiers. This could happen when
switching from uplink rep to nic profile for example.
This resolves the following call trace:
RTNL: assertion failed at net/core/dev.c (1953)
WARNING: CPU: 6 PID: 112670 at net/core/dev.c:1953 call_netdevice_notifiers_info+0x7c/0x80
Modules linked in: sch_mqprio sch_mqprio_lib act_tunnel_key act_mirred act_skbedit cls_matchall nfnetlink_cttimeout act_gact cls_flower sch_ingress bonding ib_umad ip_gre rdma_ucm mlx5_vfio_pci ipip tunnel4 ip6_gre gre mlx5_ib vfio_pci vfio_pci_core vfio_iommu_type1 ib_uverbs vfio mlx5_core ib_ipoib geneve nf_tables ip6_tunnel tunnel6 iptable_raw openvswitch nsh rpcrdma ib_iser libiscsi scsi_transport_iscsi rdma_cm iw_cm ib_cm ib_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_nat nf_nat br_netfilter rpcsec_gss_krb5 auth_rpcgss oid_registry overlay zram zsmalloc fuse [last unloaded: ib_uverbs]
CPU: 6 PID: 112670 Comm: devlink Not tainted 6.4.0-rc7_for_upstream_min_debug_2023_06_28_17_02 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
RIP: 0010:call_netdevice_notifiers_info+0x7c/0x80
Code: 90 ff 80 3d 2d 6b f7 00 00 75 c5 ba a1 07 00 00 48 c7 c6 e4 ce 0b 82 48 c7 c7 c8 f4 04 82 c6 05 11 6b f7 00 01 e8 a4 7c 8e ff <0f> 0b eb a2 0f 1f 44 00 00 55 48 89 e5 41 54 48 83 e4 f0 48 83 ec
RSP: 0018:ffff8882a21c3948 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff82e6f880 RCX: 0000000000000027
RDX: ffff88885f99b5c8 RSI: 0000000000000001 RDI: ffff88885f99b5c0
RBP: 0000000000000028 R08: ffff88887ffabaa8 R09: 0000000000000003
R10: ffff88887fecbac0 R11: ffff88887ff7bac0 R12: ffff8882a21c3968
R13: ffff88811c018940 R14: 0000000000000000 R15: ffff8881274401a0
FS: 00007fe141c81800(0000) GS:ffff88885f980000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f787c28b948 CR3: 000000014bcf3005 CR4: 0000000000370ea0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
? __warn+0x79/0x120
? call_netdevice_notifiers_info+0x7c/0x80
? report_bug+0x17c/0x190
? handle_bug+0x3c/0x60
? exc_invalid_op+0x14/0x70
? asm_exc_invalid_op+0x16/0x20
? call_netdevice_notifiers_info+0x7c/0x80
? call_netdevice_notifiers_info+0x7c/0x80
call_netdevice_notifiers+0x2e/0x50
mlx5e_set_xdp_feature+0x21/0x50 [mlx5_core]
mlx5e_nic_init+0xf1/0x1a0 [mlx5_core]
mlx5e_netdev_init_profile+0x76/0x110 [mlx5_core]
mlx5e_netdev_attach_profile+0x1f/0x90 [mlx5_core]
mlx5e_netdev_change_profile+0x92/0x160 [mlx5_core]
mlx5e_netdev_attach_nic_profile+0x1b/0x30 [mlx5_core]
mlx5e_vport_rep_unload+0xaa/0xc0 [mlx5_core]
__esw_offloads_unload_rep+0x52/0x60 [mlx5_core]
mlx5_esw_offloads_rep_unload+0x52/0x70 [mlx5_core]
esw_offloads_unload_rep+0x34/0x70 [mlx5_core]
esw_offloads_disable+0x2b/0x90 [mlx5_core]
mlx5_eswitch_disable_locked+0x1b9/0x210 [mlx5_core]
mlx5_devlink_eswitch_mode_set+0xf5/0x630 [mlx5_core]
? devlink_get_from_attrs_lock+0x9e/0x110
devlink_nl_cmd_eswitch_set_doit+0x60/0xe0
genl_family_rcv_msg_doit.isra.0+0xc2/0x110
genl_rcv_msg+0x17d/0x2b0
? devlink_get_from_attrs_lock+0x110/0x110
? devlink_nl_cmd_eswitch_get_doit+0x290/0x290
? devlink_pernet_pre_exit+0xf0/0xf0
? genl_family_rcv_msg_doit.isra.0+0x110/0x110
netlink_rcv_skb+0x54/0x100
genl_rcv+0x24/0x40
netlink_unicast+0x1f6/0x2c0
netlink_sendmsg+0x232/0x4a0
sock_sendmsg+0x38/0x60
? _copy_from_user+0x2a/0x60
__sys_sendto+0x110/0x160
? __count_memcg_events+0x48/0x90
? handle_mm_fault+0x161/0x260
? do_user_addr_fault+0x278/0x6e0
__x64_sys_sendto+0x20/0x30
do_syscall_64+0x3d/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fe141b1340a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
RSP: 002b:00007fff61d03de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000afab00 RCX: 00007fe141b1340a
RDX: 0000000000000038 RSI: 0000000000afab00 RDI: 0000000000000003
RBP: 0000000000afa910 R08: 00007fe141d80200 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
</TASK>
Fixes:
|
||
|---|---|---|
| .. | ||
| 3com | ||
| 8390 | ||
| actions | ||
| adaptec | ||
| adi | ||
| aeroflex | ||
| agere | ||
| alacritech | ||
| allwinner | ||
| alteon | ||
| altera | ||
| amazon | ||
| amd | ||
| apm | ||
| apple | ||
| aquantia | ||
| arc | ||
| asix | ||
| atheros | ||
| broadcom | ||
| brocade | ||
| cadence | ||
| calxeda | ||
| cavium | ||
| chelsio | ||
| cirrus | ||
| cisco | ||
| cortina | ||
| davicom | ||
| dec | ||
| dlink | ||
| emulex | ||
| engleder | ||
| ezchip | ||
| faraday | ||
| freescale | ||
| fujitsu | ||
| fungible | ||
| hisilicon | ||
| huawei | ||
| i825xx | ||
| ibm | ||
| intel | ||
| litex | ||
| marvell | ||
| mediatek | ||
| mellanox | ||
| micrel | ||
| microchip | ||
| microsoft | ||
| moxa | ||
| mscc | ||
| myricom | ||
| natsemi | ||
| neterion | ||
| netronome | ||
| ni | ||
| nvidia | ||
| nxp | ||
| oki-semi | ||
| packetengines | ||
| pasemi | ||
| pensando | ||
| qlogic | ||
| qualcomm | ||
| rdc | ||
| realtek | ||
| renesas | ||
| rocker | ||
| samsung | ||
| seeq | ||
| sfc | ||
| sgi | ||
| silan | ||
| sis | ||
| smsc | ||
| socionext | ||
| stmicro | ||
| sun | ||
| sunplus | ||
| synopsys | ||
| tehuti | ||
| ti | ||
| toshiba | ||
| tundra | ||
| vertexcom | ||
| via | ||
| wangxun | ||
| wiznet | ||
| xilinx | ||
| xircom | ||
| xscale | ||
| dnet.c | ||
| dnet.h | ||
| ec_bhf.c | ||
| ethoc.c | ||
| fealnx.c | ||
| jme.c | ||
| jme.h | ||
| Kconfig | ||
| korina.c | ||
| lantiq_etop.c | ||
| lantiq_xrx200.c | ||
| Makefile | ||