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Merge tag 'net-5.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski: "Networking fixes for 5.14-rc4, including fixes from bpf, can, WiFi (mac80211) and netfilter trees. Current release - regressions: - mac80211: fix starting aggregation sessions on mesh interfaces Current release - new code bugs: - sctp: send pmtu probe only if packet loss in Search Complete state - bnxt_en: add missing periodic PHC overflow check - devlink: fix phys_port_name of virtual port and merge error - hns3: change the method of obtaining default ptp cycle - can: mcba_usb_start(): add missing urb->transfer_dma initialization Previous releases - regressions: - set true network header for ECN decapsulation - mlx5e: RX, avoid possible data corruption w/ relaxed ordering and LRO - phy: re-add check for PHY_BRCM_DIS_TXCRXC_NOENRGY on the BCM54811 PHY - sctp: fix return value check in __sctp_rcv_asconf_lookup Previous releases - always broken: - bpf: - more spectre corner case fixes, introduce a BPF nospec instruction for mitigating Spectre v4 - fix OOB read when printing XDP link fdinfo - sockmap: fix cleanup related races - mac80211: fix enabling 4-address mode on a sta vif after assoc - can: - raw: raw_setsockopt(): fix raw_rcv panic for sock UAF - j1939: j1939_session_deactivate(): clarify lifetime of session object, avoid UAF - fix number of identical memory leaks in USB drivers - tipc: - do not blindly write skb_shinfo frags when doing decryption - fix sleeping in tipc accept routine" * tag 'net-5.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (91 commits) gve: Update MAINTAINERS list can: esd_usb2: fix memory leak can: ems_usb: fix memory leak can: usb_8dev: fix memory leak can: mcba_usb_start(): add missing urb->transfer_dma initialization can: hi311x: fix a signedness bug in hi3110_cmd() MAINTAINERS: add Yasushi SHOJI as reviewer for the Microchip CAN BUS Analyzer Tool driver bpf: Fix leakage due to insufficient speculative store bypass mitigation bpf: Introduce BPF nospec instruction for mitigating Spectre v4 sis900: Fix missing pci_disable_device() in probe and remove net: let flow have same hash in two directions nfc: nfcsim: fix use after free during module unload tulip: windbond-840: Fix missing pci_disable_device() in probe and remove sctp: fix return value check in __sctp_rcv_asconf_lookup nfc: s3fwrn5: fix undefined parameter values in dev_err() net/mlx5: Fix mlx5_vport_tbl_attr chain from u16 to u32 net/mlx5e: Fix nullptr in mlx5e_hairpin_get_mdev() net/mlx5: Unload device upon firmware fatal error net/mlx5e: Fix page allocation failure for ptp-RQ over SF net/mlx5e: Fix page allocation failure for trap-RQ over SF ...
2 parents e1dab4c + 8d67041 commit c7d1022

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‎MAINTAINERS‎

Lines changed: 9 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7858,9 +7858,9 @@ S: Maintained
78587858
F: drivers/input/touchscreen/goodix.c
78597859

78607860
GOOGLE ETHERNET DRIVERS
7861-
M: Catherine Sullivan <csully@google.com>
7862-
R: Sagi Shahar <sagis@google.com>
7863-
R: Jon Olson <jonolson@google.com>
7861+
M: Jeroen de Borst <jeroendb@google.com>
7862+
R: Catherine Sullivan <csully@google.com>
7863+
R: David Awogbemila <awogbemila@google.com>
78647864
L: [email protected]
78657865
S: Supported
78667866
F: Documentation/networking/device_drivers/ethernet/google/gve.rst
@@ -11327,6 +11327,12 @@ W: https://linuxtv.org
1132711327
T: git git://linuxtv.org/media_tree.git
1132811328
F: drivers/media/radio/radio-maxiradio*
1132911329

11330+
MCAB MICROCHIP CAN BUS ANALYZER TOOL DRIVER
11331+
R: Yasushi SHOJI <[email protected]>
11332+
L: [email protected]
11333+
S: Maintained
11334+
F: drivers/net/can/usb/mcba_usb.c
11335+
1133011336
MCAN MMIO DEVICE DRIVER
1133111337
M: Chandrasekar Ramakrishnan <[email protected]>
1133211338
L: [email protected]

‎arch/arm/net/bpf_jit_32.c‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1602,6 +1602,9 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
16021602
rn = arm_bpf_get_reg32(src_lo, tmp2[1], ctx);
16031603
emit_ldx_r(dst, rn, off, ctx, BPF_SIZE(code));
16041604
break;
1605+
/* speculation barrier */
1606+
case BPF_ST | BPF_NOSPEC:
1607+
break;
16051608
/* ST: *(size *)(dst + off) = imm */
16061609
case BPF_ST | BPF_MEM | BPF_W:
16071610
case BPF_ST | BPF_MEM | BPF_H:

‎arch/arm64/boot/dts/freescale/imx8mp.dtsi‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -579,7 +579,7 @@
579579
};
580580

581581
flexcan1: can@308c0000 {
582-
compatible = "fsl,imx8mp-flexcan", "fsl,imx6q-flexcan";
582+
compatible = "fsl,imx8mp-flexcan";
583583
reg = <0x308c0000 0x10000>;
584584
interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
585585
clocks = <&clk IMX8MP_CLK_IPG_ROOT>,
@@ -594,7 +594,7 @@
594594
};
595595

596596
flexcan2: can@308d0000 {
597-
compatible = "fsl,imx8mp-flexcan", "fsl,imx6q-flexcan";
597+
compatible = "fsl,imx8mp-flexcan";
598598
reg = <0x308d0000 0x10000>;
599599
interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
600600
clocks = <&clk IMX8MP_CLK_IPG_ROOT>,

‎arch/arm64/net/bpf_jit_comp.c‎

Lines changed: 13 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -823,6 +823,19 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
823823
return ret;
824824
break;
825825

826+
/* speculation barrier */
827+
case BPF_ST | BPF_NOSPEC:
828+
/*
829+
* Nothing required here.
830+
*
831+
* In case of arm64, we rely on the firmware mitigation of
832+
* Speculative Store Bypass as controlled via the ssbd kernel
833+
* parameter. Whenever the mitigation is enabled, it works
834+
* for all of the kernel code with no need to provide any
835+
* additional instructions.
836+
*/
837+
break;
838+
826839
/* ST: *(size *)(dst + off) = imm */
827840
case BPF_ST | BPF_MEM | BPF_W:
828841
case BPF_ST | BPF_MEM | BPF_H:

‎arch/mips/net/ebpf_jit.c‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1355,6 +1355,9 @@ static int build_one_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
13551355
}
13561356
break;
13571357

1358+
case BPF_ST | BPF_NOSPEC: /* speculation barrier */
1359+
break;
1360+
13581361
case BPF_ST | BPF_B | BPF_MEM:
13591362
case BPF_ST | BPF_H | BPF_MEM:
13601363
case BPF_ST | BPF_W | BPF_MEM:

‎arch/powerpc/net/bpf_jit_comp32.c‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -737,6 +737,12 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
737737
}
738738
break;
739739

740+
/*
741+
* BPF_ST NOSPEC (speculation barrier)
742+
*/
743+
case BPF_ST | BPF_NOSPEC:
744+
break;
745+
740746
/*
741747
* BPF_ST(X)
742748
*/

‎arch/powerpc/net/bpf_jit_comp64.c‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -627,6 +627,12 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
627627
}
628628
break;
629629

630+
/*
631+
* BPF_ST NOSPEC (speculation barrier)
632+
*/
633+
case BPF_ST | BPF_NOSPEC:
634+
break;
635+
630636
/*
631637
* BPF_ST(X)
632638
*/

‎arch/riscv/net/bpf_jit_comp32.c‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1251,6 +1251,10 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx,
12511251
return -1;
12521252
break;
12531253

1254+
/* speculation barrier */
1255+
case BPF_ST | BPF_NOSPEC:
1256+
break;
1257+
12541258
case BPF_ST | BPF_MEM | BPF_B:
12551259
case BPF_ST | BPF_MEM | BPF_H:
12561260
case BPF_ST | BPF_MEM | BPF_W:

‎arch/riscv/net/bpf_jit_comp64.c‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -939,6 +939,10 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx,
939939
emit_ld(rd, 0, RV_REG_T1, ctx);
940940
break;
941941

942+
/* speculation barrier */
943+
case BPF_ST | BPF_NOSPEC:
944+
break;
945+
942946
/* ST: *(size *)(dst + off) = imm */
943947
case BPF_ST | BPF_MEM | BPF_B:
944948
emit_imm(RV_REG_T1, imm, ctx);

‎arch/s390/net/bpf_jit_comp.c‎

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1153,6 +1153,11 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
11531153
break;
11541154
}
11551155
break;
1156+
/*
1157+
* BPF_NOSPEC (speculation barrier)
1158+
*/
1159+
case BPF_ST | BPF_NOSPEC:
1160+
break;
11561161
/*
11571162
* BPF_ST(X)
11581163
*/

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