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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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a7488c792f
[ 6630.450908] BUG: spinlock bad magic on CPU#1,
ksdioirqd/mmc1/355
[ 6630.450914] Unable to handle kernel NULL pointer dereference
at virtual address 0000004f
[ 6630.450919] pgd = ecbd8000
[ 6630.450926] [0000004f] *pgd=00000000
[ 6630.450936] lock: 0xeea4ab08, .magic: 00000000,
.owner: <none>/-1, .owner_cpu: 0
[ 6630.450939] Backtrace:
[ 6630.450956] [<c010d354>] (unwind_backtrace+0x0/0x118) from
[<c060c238>] (dump_stack+0x28/0x30)
[ 6630.450960] Internal error: Oops: 5 [#1] SMP ARM
[ 6630.450964] Modules linked in: uvcvideo videobuf2_vmalloc
[ 6630.450980] [<c060c238>] (dump_stack+0x28/0x30) from
[<c0315ab4>] (spin_dump+0x80/0x94)
[ 6630.450988] [<c0315ab4>] (spin_dump+0x80/0x94) from
[<c0315af4>] (spin_bug+0x2c/0x30)
[ 6630.450996] [<c0315af4>] (spin_bug+0x2c/0x30) from
[<c0315b80>] (do_raw_spin_lock+0x28/0x15c)
[ 6630.451004] [<c0315b80>] (do_raw_spin_lock+0x28/0x15c) from
[<c0610c24>] (_raw_spin_lock_irqsave+0x20/0x28)
[ 6630.451016] [<c0610c24>] (_raw_spin_lock_irqsave+0x20/0x28)
from [<bf07a7f4>] (mwifiex_exec_next_cmd
+0x6c/0x45c [mwifiex])
[ 6630.451030] [<bf07a7f4>] (mwifiex_exec_next_cmd+0x6c/0x45c
[mwifiex]) from [<bf07834c>]
(mwifiex_main_process+0x2c8/0x464 [mwifiex])
[ 6630.451047] [<bf07834c>] (mwifiex_main_process+0x2c8/0x464
[mwifiex]) from [<bf0a093c>]
(mwifiex_sdio_interrupt+0xc8/0x1cc [mwifiex_sdio]
[ 6630.451064] [<bf0a093c>] (mwifiex_sdio_interrupt+0xc8/0x1cc
[mwifiex_sdio]) from [<c04bbde0>]
(sdio_irq_thread+0x178/0x31c)
[ 6630.451079] [<c04bbde0>] (sdio_irq_thread+0x178/0x31c) from
[<c0145514>] (kthread+0xc8/0xd8)
[ 6630.451095] [<c0145514>] (kthread+0xc8/0xd8) from
[<c0106118>] (ret_from_fork+0x14/0x20)
This bug has introduced/exposed due to recent patch in which we
cancel pending commands before suspend (using hs_enabling flag).
The NULL pointer is dereferenced when both
mwifiex_cancel_all_pending_cmd() and mwifiex_exec_next_cmd()
try to access cmd pending queue simultaneously.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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| ath | ||
| b43 | ||
| b43legacy | ||
| brcm80211 | ||
| cw1200 | ||
| hostap | ||
| ipw2x00 | ||
| iwlegacy | ||
| iwlwifi | ||
| libertas | ||
| libertas_tf | ||
| mwifiex | ||
| orinoco | ||
| p54 | ||
| prism54 | ||
| rsi | ||
| rt2x00 | ||
| rtl818x | ||
| rtlwifi | ||
| ti | ||
| zd1211rw | ||
| adm8211.c | ||
| adm8211.h | ||
| airo_cs.c | ||
| airo.c | ||
| airo.h | ||
| at76c50x-usb.c | ||
| at76c50x-usb.h | ||
| atmel_cs.c | ||
| atmel_pci.c | ||
| atmel.c | ||
| atmel.h | ||
| Kconfig | ||
| mac80211_hwsim.c | ||
| mac80211_hwsim.h | ||
| Makefile | ||
| mwl8k.c | ||
| ray_cs.c | ||
| ray_cs.h | ||
| rayctl.h | ||
| rndis_wlan.c | ||
| wl3501_cs.c | ||
| wl3501.h | ||
| zd1201.c | ||
| zd1201.h | ||