mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
ec9efb523c
Breaking out of the switch in rocker_switchdev_event() still ends up
scheduling work, except an ill-defined one. This leads to an OOPS cited
below. Fix by postponing the check until rocker_switchdev_event_work().
[ 23.148476] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[ 23.148810] PGD 0 P4D 0
[ 23.148982] Oops: 0000 [#1] PREEMPT SMP PTI
[ 23.149190] Modules linked in: bridge stp llc iptable_nat nf_nat_ipv4 nf_nat e1000 rocker
[ 23.149768] CPU: 0 PID: 239 Comm: kworker/u2:4 Not tainted 4.17.0-rc3-net_next_queue-custom #6
[ 23.150298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-2.fc27 04/01/2014
[ 23.150868] Workqueue: rocker rocker_switchdev_event_work [rocker]
[ 23.151258] RIP: 0010:ofdpa_port_fdb+0x7b/0x230 [rocker]
[ 23.151597] RSP: 0018:ffffc900004b3e18 EFLAGS: 00010246
[ 23.151952] RAX: 00000000fffbc68c RBX: 0000000000000000 RCX: 0000000000000000
[ 23.152363] RDX: 0000000000000010 RSI: ffff88003b4471e0 RDI: 00000000ffffffff
[ 23.152768] RBP: ffff88003b4471c0 R08: ffff88003b4471e0 R09: ffff88003b4471c0
[ 23.153141] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880036caf000
[ 23.153515] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88003bc00000
[ 23.153919] FS: 0000000000000000(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000
[ 23.154444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.154806] CR2: 0000000000000000 CR3: 0000000036eb6000 CR4: 00000000000006f0
[ 23.155194] Call Trace:
[ 23.155472] rocker_switchdev_event_work+0x9b/0xd0 [rocker]
[ 23.155850] ? __schedule+0x231/0x700
[ 23.156175] process_one_work+0x1cf/0x3e0
[ 23.156490] worker_thread+0x26/0x3d0
[ 23.156795] ? trace_event_raw_event_workqueue_execute_start+0x80/0x80
[ 23.157181] kthread+0x10e/0x130
[ 23.157485] ? kthread_create_worker_on_cpu+0x40/0x40
[ 23.157824] ret_from_fork+0x35/0x40
[ 23.158174] Code: 00 00 c1 e8 02 4c 8d 45 20 bf ff ff ff ff 83 e0 01 4c 89 65 20 88 45 14 48 8b 05 21 da 1f e2 4c 89 c6 4c 89 44 24 10 48 89 45 18 <41> 8b 45 00 89 45 28 41 0f b7 45 04 66 89 45 2c 0f b7 44 24 04
[ 23.159346] RIP: ofdpa_port_fdb+0x7b/0x230 [rocker] RSP: ffffc900004b3e18
[ 23.159742] CR2: 0000000000000000
[ 23.160088] ---[ end trace f9b16d4cb6df0629 ]---
Fixes:
|
||
|---|---|---|
| .. | ||
| 3com | ||
| 8390 | ||
| adaptec | ||
| aeroflex | ||
| agere | ||
| alacritech | ||
| allwinner | ||
| alteon | ||
| altera | ||
| amazon | ||
| amd | ||
| apm | ||
| apple | ||
| aquantia | ||
| arc | ||
| atheros | ||
| aurora | ||
| broadcom | ||
| brocade | ||
| cadence | ||
| calxeda | ||
| cavium | ||
| chelsio | ||
| cirrus | ||
| cisco | ||
| cortina | ||
| davicom | ||
| dec | ||
| dlink | ||
| emulex | ||
| ezchip | ||
| faraday | ||
| freescale | ||
| fujitsu | ||
| hisilicon | ||
| hp | ||
| huawei | ||
| i825xx | ||
| ibm | ||
| intel | ||
| marvell | ||
| mediatek | ||
| mellanox | ||
| micrel | ||
| microchip | ||
| moxa | ||
| myricom | ||
| natsemi | ||
| neterion | ||
| netronome | ||
| ni | ||
| nuvoton | ||
| nvidia | ||
| nxp | ||
| oki-semi | ||
| packetengines | ||
| pasemi | ||
| qlogic | ||
| qualcomm | ||
| rdc | ||
| realtek | ||
| renesas | ||
| rocker | ||
| samsung | ||
| seeq | ||
| sfc | ||
| sgi | ||
| silan | ||
| sis | ||
| smsc | ||
| socionext | ||
| stmicro | ||
| sun | ||
| synopsys | ||
| tehuti | ||
| ti | ||
| toshiba | ||
| tundra | ||
| via | ||
| wiznet | ||
| xilinx | ||
| xircom | ||
| xscale | ||
| dnet.c | ||
| dnet.h | ||
| ec_bhf.c | ||
| ethoc.c | ||
| fealnx.c | ||
| jme.c | ||
| jme.h | ||
| Kconfig | ||
| korina.c | ||
| lantiq_etop.c | ||
| Makefile | ||
| netx-eth.c | ||