AuxXxilium/linux_dsm_epyc7002
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e89df5c432
linux_dsm_epyc7002/drivers/net/ethernet
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Zekun Shen e89df5c432 net: alx: fix race condition in alx_remove 
There is a race condition exist during termination. The path is
alx_stop and then alx_remove. An alx_schedule_link_check could be called
before alx_stop by interrupt handler and invoke alx_link_check later.
Alx_stop frees the napis, and alx_remove cancels any pending works.
If any of the work is scheduled before termination and invoked before
alx_remove, a null-ptr-deref occurs because both expect alx->napis[i].

This patch fix the race condition by moving cancel_work_sync functions
before alx_free_napis inside alx_stop. Because interrupt handler can call
alx_schedule_link_check again, alx_free_irq is moved before
cancel_work_sync calls too.

Signed-off-by: Zekun Shen <bruceshenzk@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-15 13:20:14 -07:00
..
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atheros net: alx: fix race condition in alx_remove 2020-06-15 13:20:14 -07:00
aurora
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cadence net: macb: Only disable NAPI on the actual error path 2020-06-15 13:10:34 -07:00
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mscc net: mscc: allow offloading timestamping operations to the PHY 2020-05-27 14:54:31 -07:00
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ni net: ni: Fix use correct return type for ndo_start_xmit() 2020-05-05 11:39:43 -07:00
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nxp net: nxp: Fix use correct return type for ndo_start_xmit() 2020-05-05 11:17:56 -07:00
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pensando ionic: add pcie_print_link_status 2020-06-11 18:26:19 -07:00
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xilinx net: axienet: fix spelling mistake in comment "Exteneded" -> "extended" 2020-06-15 13:02:03 -07:00
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dnet.c
dnet.h
ec_bhf.c
ethoc.c
fealnx.c
jme.c
jme.h
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
korina.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
lantiq_etop.c
lantiq_xrx200.c net: lantiq: Fix use correct return type for ndo_start_xmit() 2020-05-06 14:24:06 -07:00
Makefile