From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>,
"David S . Miller" <davem@davemloft.net>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.18 079/100] net: qualcomm: rmnet: Fix incorrect allocation flag in transmit
Date: Tue, 16 Oct 2018 00:12:00 -0400 [thread overview]
Message-ID: <20181016041221.135528-79-sashal@kernel.org> (raw)
In-Reply-To: <20181016041221.135528-1-sashal@kernel.org>
From: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
[ Upstream commit 6392ff3c8e4c23d0a09b0ae9f94feb3effed490b ]
The incoming skb needs to be reallocated in case the headroom
is not sufficient to add the MAP header. This allocation needs to
be atomic otherwise it results in the following splat
[32805.801456] BUG: sleeping function called from invalid context
[32805.841141] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[32805.904773] task: ffffffd7c5f62280 task.stack: ffffff80464a8000
[32805.910851] pc : ___might_sleep+0x180/0x188
[32805.915143] lr : ___might_sleep+0x180/0x188
[32806.131520] Call trace:
[32806.134041] ___might_sleep+0x180/0x188
[32806.137980] __might_sleep+0x50/0x84
[32806.141653] __kmalloc_track_caller+0x80/0x3bc
[32806.146215] __kmalloc_reserve+0x3c/0x88
[32806.150241] pskb_expand_head+0x74/0x288
[32806.154269] rmnet_egress_handler+0xb0/0x1d8
[32806.162239] rmnet_vnd_start_xmit+0xc8/0x13c
[32806.166627] dev_hard_start_xmit+0x148/0x280
[32806.181181] sch_direct_xmit+0xa4/0x198
[32806.185125] __qdisc_run+0x1f8/0x310
[32806.188803] net_tx_action+0x23c/0x26c
[32806.192655] __do_softirq+0x220/0x408
[32806.196420] do_softirq+0x4c/0x70
Fixes: ceed73a2cf4a ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c
index 6908b26feb9e..1f98d65473cf 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c
@@ -147,7 +147,7 @@ static int rmnet_map_egress_handler(struct sk_buff *skb,
}
if (skb_headroom(skb) < required_headroom) {
- if (pskb_expand_head(skb, required_headroom, 0, GFP_KERNEL))
+ if (pskb_expand_head(skb, required_headroom, 0, GFP_ATOMIC))
return -ENOMEM;
}
--
2.17.1
next prev parent reply other threads:[~2018-10-16 4:13 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-16 4:10 [PATCH AUTOSEL 4.18 001/100] xfrm: Validate address prefix lengths in the xfrm selector Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 002/100] xfrm6: call kfree_skb when skb is toobig Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 003/100] xfrm: reset transport header back to network header after all input transforms ahave been applied Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 004/100] xfrm: reset crypto_done when iterating over multiple input xfrms Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 005/100] mac80211: Always report TX status Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 006/100] cfg80211: reg: Init wiphy_idx in regulatory_hint_core() Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 007/100] mac80211: fix pending queue hang due to TX_DROP Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 008/100] cfg80211: Address some corner cases in scan result channel updating Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 009/100] mac80211: TDLS: fix skb queue/priority assignment Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 010/100] mac80211: fix TX status reporting for ieee80211s Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 011/100] xfrm: Fix NULL pointer dereference when skb_dst_force clears the dst_entry Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 012/100] ARM: 8799/1: mm: fix pci_ioremap_io() offset check Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 013/100] xfrm: validate template mode Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 014/100] drm/i2c: tda9950: fix timeout counter check Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 015/100] drm/i2c: tda9950: set MAX_RETRIES for errors only Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 016/100] netfilter: bridge: Don't sabotage nf_hook calls from an l3mdev Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 017/100] netfilter: conntrack: get rid of double sizeof Sasha Levin
2018-10-16 4:10 ` [PATCH AUTOSEL 4.18 018/100] arm64: hugetlb: Fix handling of young ptes Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 019/100] ARM: dts: BCM63xx: Fix incorrect interrupt specifiers Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 020/100] net: macb: Clean 64b dma addresses if they are not detected Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 021/100] net: hns: fix for unmapping problem when SMMU is on Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 022/100] soc: fsl: qbman: qman: avoid allocating from non existing gen_pool Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 023/100] soc: fsl: qe: Fix copy/paste bug in ucc_get_tdm_sync_shift() Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 024/100] nl80211: Fix possible Spectre-v1 for NL80211_TXRATE_HT Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 025/100] mac80211_hwsim: fix locking when iterating radios during ns exit Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 026/100] mac80211_hwsim: fix race in radio destruction from netlink notifier Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 027/100] mac80211_hwsim: do not omit multicast announce of first added radio Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 028/100] Bluetooth: SMP: fix crash in unpairing Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 029/100] pxa168fb: prepare the clock Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 030/100] qed: Avoid implicit enum conversion in qed_set_tunn_cls_info Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 031/100] qed: Fix mask parameter in qed_vf_prep_tunn_req_tlv Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 032/100] qed: Avoid implicit enum conversion in qed_roce_mode_to_flavor Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 033/100] bonding: pass link-local packets to bonding master also Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 034/100] bonding: avoid possible dead-lock Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 035/100] qed: Avoid constant logical operation warning in qed_vf_pf_acquire Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 036/100] qed: Avoid implicit enum conversion in qed_iwarp_parse_rx_pkt Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 037/100] bnxt_en: Fix TX timeout during netpoll Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 038/100] nl80211: Fix possible Spectre-v1 for CQM RSSI thresholds Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 039/100] scsi: qedi: Initialize the stats mutex lock Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 040/100] rxrpc: Fix checks as to whether we should set up a new call Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 041/100] rxrpc: Fix RTT gathering Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 042/100] rxrpc: Fix transport sockopts to get IPv4 errors on an IPv6 socket Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 043/100] rxrpc: Fix error distribution Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 044/100] netfilter: nft_set_rbtree: add missing rb_erase() in GC routine Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 045/100] netfilter: avoid erronous array bounds warning Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 046/100] qed: Fix shmem structure inconsistency between driver and the mfw Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 047/100] asix: Check for supported Wake-on-LAN modes Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 048/100] ax88179_178a: " Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 049/100] lan78xx: " Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 050/100] sr9800: " Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 051/100] r8152: Check for supported Wake-on-LAN Modes Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 052/100] smsc75xx: Check for Wake-on-LAN modes Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 053/100] smsc95xx: " Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 054/100] qlcnic: fix Tx descriptor corruption on 82xx devices Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 055/100] i2c: i2c-scmi: fix for i2c_smbus_write_block_data Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 056/100] cfg80211: fix use-after-free in reg_process_hint() Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 057/100] KVM: nVMX: Do not expose MPX VMX controls when guest MPX disabled Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 058/100] KVM: x86: Do not use kvm_x86_ops->mpx_supported() directly Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 059/100] KVM: nVMX: Fix emulation of VM_ENTRY_LOAD_BNDCFGS Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 060/100] net/mlx5: E-Switch, Fix out of bound access when setting vport rate Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 061/100] net/mlx5e: Set vlan masks for all offloaded TC rules Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 062/100] tun: remove unused parameters Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 063/100] tun: initialize napi_mutex unconditionally Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 064/100] r8169: fix network stalls due to missing bit TXCFG_AUTO_FIFO Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 065/100] perf/core: Fix perf_pmu_unregister() locking Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 066/100] perf/x86/intel/uncore: Use boot_cpu_data.phys_proc_id instead of hardcorded physical package ID 0 Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 067/100] perf/ring_buffer: Prevent concurent ring buffer access Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 068/100] perf/x86/intel/uncore: Fix PCI BDF address of M3UPI on SKX Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 069/100] perf/x86/amd/uncore: Set ThreadMask and SliceMask for L3 Cache perf events Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 070/100] thunderbolt: Do not handle ICM events after domain is stopped Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 071/100] thunderbolt: Initialize after IOMMUs Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 072/100] net: fec: fix rare tx timeout Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 073/100] declance: Fix continuation with the adapter identification message Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 074/100] nfp: avoid soft lockups under control message storm Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 075/100] RISCV: Fix end PFN for low memory Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 076/100] Revert "serial: 8250_dw: Fix runtime PM handling" Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 077/100] bonding: fix warning message Sasha Levin
2018-10-16 4:11 ` [PATCH AUTOSEL 4.18 078/100] net: qualcomm: rmnet: Skip processing loopback packets Sasha Levin
2018-10-16 4:12 ` Sasha Levin [this message]
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 080/100] net: qualcomm: rmnet: Fix incorrect allocation flag in receive path Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 081/100] locking/ww_mutex: Fix runtime warning in the WW mutex selftest Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 082/100] drm/amd/display: Signal hw_done() after waiting for flip_done() Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 083/100] net/usb: cancel pending work when unbinding smsc75xx Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 084/100] team: Forbid enslaving team device to itself Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 085/100] bnxt_en: Fix VNIC reservations on the PF Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 086/100] bnxt_en: Fix enables field in HWRM_QUEUE_COS2BW_CFG request Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 087/100] bnxt_en: get the reduced max_irqs by the ones used by RDMA Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 088/100] net: dsa: b53: Keep CPU port as tagged in all VLANs Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 089/100] be2net: don't flip hw_features when VXLANs are added/deleted Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 090/100] net: phy: phylink: fix SFP interface autodetection Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 091/100] powerpc/numa: Skip onlining a offline node in kdump path Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 092/100] net: cxgb3_main: fix a missing-check bug Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 093/100] yam: " Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 094/100] net: mvpp2: Extract the correct ethtype from the skb for tx csum offload Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 095/100] ocfs2: fix crash in ocfs2_duplicate_clusters_by_page() Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 096/100] mm/gup_benchmark: fix unsigned comparison to zero in __gup_benchmark_ioctl Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 097/100] mm/migrate.c: split only transparent huge pages when allocation fails Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 098/100] mm/vmstat.c: fix outdated vmstat_text Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 099/100] x86/paravirt: Fix some warning messages Sasha Levin
2018-10-16 4:12 ` [PATCH AUTOSEL 4.18 100/100] clk: mvebu: armada-37xx-periph: Remove unused var num_parents Sasha Levin
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