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linux/drivers/net/wireless/mediatek/mt76
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Lorenzo Bianconi 5683e1488a wifi: mt76: connac: do not check WED status for non-mmio devices 
WED is supported just for mmio devices, so do not check it for usb or
sdio devices. This patch fixes the crash reported below:

[   21.946627] wlp0s3u1i3: authenticate with c4:41:1e:f5:2b:1d
[   22.525298] wlp0s3u1i3: send auth to c4:41:1e:f5:2b:1d (try 1/3)
[   22.548274] wlp0s3u1i3: authenticate with c4:41:1e:f5:2b:1d
[   22.557694] wlp0s3u1i3: send auth to c4:41:1e:f5:2b:1d (try 1/3)
[   22.565885] wlp0s3u1i3: authenticated
[   22.569502] wlp0s3u1i3: associate with c4:41:1e:f5:2b:1d (try 1/3)
[   22.578966] wlp0s3u1i3: RX AssocResp from c4:41:1e:f5:2b:1d (capab=0x11 status=30 aid=3)
[   22.579113] wlp0s3u1i3: c4:41:1e:f5:2b:1d rejected association temporarily; comeback duration 1000 TU (1024 ms)
[   23.649518] wlp0s3u1i3: associate with c4:41:1e:f5:2b:1d (try 2/3)
[   23.752528] wlp0s3u1i3: RX AssocResp from c4:41:1e:f5:2b:1d (capab=0x11 status=0 aid=3)
[   23.797450] wlp0s3u1i3: associated
[   24.959527] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[   24.959640] BUG: unable to handle page fault for address: ffff88800c223200
[   24.959706] #PF: supervisor instruction fetch in kernel mode
[   24.959788] #PF: error_code(0x0011) - permissions violation
[   24.959846] PGD 2c01067 P4D 2c01067 PUD 2c02067 PMD c2a8063 PTE 800000000c223163
[   24.959957] Oops: 0011 [#1] PREEMPT SMP
[   24.960009] CPU: 0 PID: 391 Comm: wpa_supplicant Not tainted 6.2.0-kvm #18
[   24.960089] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.1-2.fc37 04/01/2014
[   24.960191] RIP: 0010:0xffff88800c223200
[   24.960446] RSP: 0018:ffffc90000ff7698 EFLAGS: 00010282
[   24.960513] RAX: ffff888028397010 RBX: ffff88800c26e630 RCX: 0000000000000058
[   24.960598] RDX: ffff88800c26f844 RSI: 0000000000000006 RDI: ffff888028397010
[   24.960682] RBP: ffff88800ea72f00 R08: 18b873fbab2b964c R09: be06b38235f3c63c
[   24.960766] R10: 18b873fbab2b964c R11: be06b38235f3c63c R12: 0000000000000001
[   24.960853] R13: ffff88800c26f84c R14: ffff8880063f0ff8 R15: ffff88800c26e644
[   24.960950] FS:  00007effcea327c0(0000) GS:ffff88807dc00000(0000) knlGS:0000000000000000
[   24.961036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.961106] CR2: ffff88800c223200 CR3: 000000000eaa2000 CR4: 00000000000006b0
[   24.961190] Call Trace:
[   24.961219]  <TASK>
[   24.961245]  ? mt76_connac_mcu_add_key+0x2cf/0x310
[   24.961313]  ? mt7921_set_key+0x150/0x200
[   24.961365]  ? drv_set_key+0xa9/0x1b0
[   24.961418]  ? ieee80211_key_enable_hw_accel+0xd9/0x240
[   24.961485]  ? ieee80211_key_replace+0x3f3/0x730
[   24.961541]  ? crypto_shash_setkey+0x89/0xd0
[   24.961597]  ? ieee80211_key_link+0x2d7/0x3a0
[   24.961664]  ? crypto_aead_setauthsize+0x31/0x50
[   24.961730]  ? sta_info_hash_lookup+0xa6/0xf0
[   24.961785]  ? ieee80211_add_key+0x1fc/0x250
[   24.961842]  ? rdev_add_key+0x41/0x140
[   24.961882]  ? nl80211_parse_key+0x6c/0x2f0
[   24.961940]  ? nl80211_new_key+0x24a/0x290
[   24.961984]  ? genl_rcv_msg+0x36c/0x3a0
[   24.962036]  ? rdev_mod_link_station+0xe0/0xe0
[   24.962102]  ? nl80211_set_key+0x410/0x410
[   24.962143]  ? nl80211_pre_doit+0x200/0x200
[   24.962187]  ? genl_bind+0xc0/0xc0
[   24.962217]  ? netlink_rcv_skb+0xaa/0xd0
[   24.962259]  ? genl_rcv+0x24/0x40
[   24.962300]  ? netlink_unicast+0x224/0x2f0
[   24.962345]  ? netlink_sendmsg+0x30b/0x3d0
[   24.962388]  ? ____sys_sendmsg+0x109/0x1b0
[   24.962388]  ? ____sys_sendmsg+0x109/0x1b0
[   24.962440]  ? __import_iovec+0x2e/0x110
[   24.962482]  ? ___sys_sendmsg+0xbe/0xe0
[   24.962525]  ? mod_objcg_state+0x25c/0x330
[   24.962576]  ? __dentry_kill+0x19e/0x1d0
[   24.962618]  ? call_rcu+0x18f/0x270
[   24.962660]  ? __dentry_kill+0x19e/0x1d0
[   24.962702]  ? __x64_sys_sendmsg+0x70/0x90
[   24.962744]  ? do_syscall_64+0x3d/0x80
[   24.962796]  ? exit_to_user_mode_prepare+0x1b/0x70
[   24.962852]  ? entry_SYSCALL_64_after_hwframe+0x46/0xb0
[   24.962913]  </TASK>
[   24.962939] Modules linked in:
[   24.962981] CR2: ffff88800c223200
[   24.963022] ---[ end trace 0000000000000000 ]---
[   24.963087] RIP: 0010:0xffff88800c223200
[   24.963323] RSP: 0018:ffffc90000ff7698 EFLAGS: 00010282
[   24.963376] RAX: ffff888028397010 RBX: ffff88800c26e630 RCX: 0000000000000058
[   24.963458] RDX: ffff88800c26f844 RSI: 0000000000000006 RDI: ffff888028397010
[   24.963538] RBP: ffff88800ea72f00 R08: 18b873fbab2b964c R09: be06b38235f3c63c
[   24.963622] R10: 18b873fbab2b964c R11: be06b38235f3c63c R12: 0000000000000001
[   24.963705] R13: ffff88800c26f84c R14: ffff8880063f0ff8 R15: ffff88800c26e644
[   24.963788] FS:  00007effcea327c0(0000) GS:ffff88807dc00000(0000) knlGS:0000000000000000
[   24.963871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.963941] CR2: ffff88800c223200 CR3: 000000000eaa2000 CR4: 00000000000006b0
[   24.964018] note: wpa_supplicant[391] exited with irqs disabled

Fixes: d1369e515e ("wifi: mt76: connac: introduce mt76_connac_mcu_sta_wed_update utility routine")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/c42168429453474213fa8244bf4b069de4531f40.1678124335.git.lorenzo@kernel.org
 		2023-03-13 15:30:55 +02:00
..
mt76x0 wifi: mt76: mt76x0u: report firmware version through ethtool 2023-02-03 14:51:36 +01:00
mt76x2 wifi: mt76: mt76x02: simplify struct mt76x02_rate_power 2022-12-01 17:29:12 +01:00
mt7603 wifi: mt76: mt7603: avoid mcu_restart function pointer 2023-02-03 14:47:16 +01:00
mt7615 wifi: mt76: mt7615: avoid mcu_restart function pointer 2023-02-03 14:47:16 +01:00
mt7915 wifi: mt76: mt7915: add back 160MHz channel width support for MT7915 2023-03-13 15:30:35 +02:00
mt7921 wifi: mt76: add EHT rate stats for ethtool 2023-02-03 14:47:27 +01:00
mt7996 wifi: mt76: mt7996: add EHT beamforming support 2023-02-03 14:47:27 +01:00
Kconfig wifi: mt76: switch to page_pool allocator 2023-02-03 14:47:17 +01:00
Makefile wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices 2022-12-01 17:29:14 +01:00
agg-rx.c mt76: do not attempt to reorder received 802.3 packets without agg session 2022-05-13 09:39:35 +02:00
debugfs.c wifi: mt76: move leds struct in mt76_phy 2022-12-09 16:45:39 +01:00
dma.c wifi: mt76: mt7915: add mt7915 wed reset callbacks 2023-02-03 14:47:48 +01:00
dma.h wifi: mt76: dma: add reset to mt76_dma_wed_setup signature 2023-02-03 14:47:48 +01:00
eeprom.c wifi: mt76: support ww power config in dts node 2023-02-03 14:51:37 +01:00
mac80211.c wifi: mt76: do not run mt76_unregister_device() on unregistered hw 2023-03-13 15:29:44 +02:00
mcu.c mt76: add len parameter to __mt76_mcu_msg_alloc signature 2022-07-11 13:40:03 +02:00
mmio.c mt76: mt7915: add Wireless Ethernet Dispatch support 2022-05-13 09:39:35 +02:00
mt76.h wifi: mt76: do not run mt76_unregister_device() on unregistered hw 2023-03-13 15:29:44 +02:00
mt76_connac.h wifi: mt76: connac: add CMD_CBW_320MHZ 2023-02-03 14:47:27 +01:00
mt76_connac2_mac.h wifi: mt76: add PPDU based TxS support for WED device 2022-09-15 12:54:01 +02:00
mt76_connac_mac.c wifi: mt76: mt7996: rely on mt76_connac2_mac_tx_rate_val 2023-02-03 14:47:17 +01:00
mt76_connac_mcu.c wifi: mt76: connac: do not check WED status for non-mmio devices 2023-03-13 15:30:55 +02:00
mt76_connac_mcu.h wifi: mt76: increase wcid size to 1088 2023-02-03 14:47:27 +01:00
mt76x02.h wifi: mt76: add info parameter to rx_skb signature 2022-12-01 17:29:14 +01:00
mt76x02_beacon.c mt76: mt76x02: improve reliability of the beacon hang check 2022-07-11 13:40:03 +02:00
mt76x02_debugfs.c wifi: mt76: move aggr_stats array in mt76_phy 2022-12-01 17:29:13 +01:00
mt76x02_dfs.c
…
mt76x02_dfs.h
…
mt76x02_dma.h
…
mt76x02_eeprom.c
…
mt76x02_eeprom.h wifi: mt76: mt76x02: simplify struct mt76x02_rate_power 2022-12-01 17:29:12 +01:00
mt76x02_mac.c wifi: mt76: move aggr_stats array in mt76_phy 2022-12-01 17:29:13 +01:00
mt76x02_mac.h
…
mt76x02_mcu.c
…
mt76x02_mcu.h
…
mt76x02_mmio.c mt76: pass original queue id from __mt76_tx_queue_skb to the driver 2022-07-11 13:40:03 +02:00
mt76x02_phy.c wifi: mt76: mt76x02: simplify struct mt76x02_rate_power 2022-12-01 17:29:12 +01:00
mt76x02_phy.h wifi: mt76: move mt76_rate_power from core to mt76x02 driver code 2022-12-01 17:29:12 +01:00
mt76x02_regs.h
…
mt76x02_trace.c
…
mt76x02_trace.h
…
mt76x02_txrx.c wifi: mt76: add info parameter to rx_skb signature 2022-12-01 17:29:14 +01:00
mt76x02_usb.h
…
mt76x02_usb_core.c
…
mt76x02_usb_mcu.c wifi: mt76: mt76_usb.mt76u_mcu.burst is always false remove related code 2022-09-15 12:54:00 +02:00
mt76x02_util.c wifi: mt76: move leds struct in mt76_phy 2022-12-09 16:45:39 +01:00
pci.c
…
sdio.c wifi: mt76: add memory barrier to SDIO queue kick 2023-02-03 14:47:17 +01:00
sdio.h
…
sdio_txrx.c wifi: mt76: mt7921s: fix slab-out-of-bounds access in sdio host 2022-12-09 16:45:38 +01:00
testmode.c wifi: mt76: testmode: use random payload for tx packets 2022-09-15 12:53:56 +02:00
testmode.h
…
trace.c
…
trace.h
…
tx.c wifi: mt76: handle possible mt76_rx_token_consume failures 2023-01-16 17:27:16 +02:00
usb.c wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue 2023-02-26 19:52:55 +02:00
usb_trace.c
…
usb_trace.h
…
util.c wifi: mt76: add flexible polling wait-interval support 2023-02-03 14:47:17 +01:00
util.h wifi: mt76: Remove unused inline function mt76_wcid_mask_test() 2022-12-01 17:29:12 +01:00