ionic: fix kernel panic in XDP_TX action
In the XDP_TX path, ionic driver sends a packet to the TX path with rx
page and corresponding dma address.
After tx is done, ionic_tx_clean() frees that page.
But RX ring buffer isn't reset to NULL.
So, it uses a freed page, which causes kernel panic.
BUG: unable to handle page fault for address: ffff8881576c110c
PGD 773801067 P4D 773801067 PUD 87f086067 PMD 87efca067 PTE 800ffffea893e060
Oops: Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI
CPU: 1 PID: 25 Comm: ksoftirqd/1 Not tainted 6.9.0+ #11
Hardware name: ASUS System Product Name/PRIME Z690-P D4, BIOS 0603 11/01/2021
RIP: 0010:bpf_prog_f0b8caeac1068a55_balancer_ingress+0x3b/0x44f
Code: 00 53 41 55 41 56 41 57 b8 01 00 00 00 48 8b 5f 08 4c 8b 77 00 4c 89 f7 48 83 c7 0e 48 39 d8
RSP: 0018:ffff888104e6fa28 EFLAGS: 00010283
RAX: 0000000000000002 RBX: ffff8881576c1140 RCX: 0000000000000002
RDX: ffffffffc0051f64 RSI: ffffc90002d33048 RDI: ffff8881576c110e
RBP: ffff888104e6fa88 R08: 0000000000000000 R09: ffffed1027a04a23
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881b03a21a8
R13: ffff8881589f800f R14: ffff8881576c1100 R15: 00000001576c1100
FS: 0000000000000000(0000) GS:ffff88881ae00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8881576c110c CR3: 0000000767a90000 CR4: 00000000007506f0
PKRU: 55555554
Call Trace:
<TASK>
? __die+0x20/0x70
? page_fault_oops+0x254/0x790
? __pfx_page_fault_oops+0x10/0x10
? __pfx_is_prefetch.constprop.0+0x10/0x10
? search_bpf_extables+0x165/0x260
? fixup_exception+0x4a/0x970
? exc_page_fault+0xcb/0xe0
? asm_exc_page_fault+0x22/0x30
? 0xffffffffc0051f64
? bpf_prog_f0b8caeac1068a55_balancer_ingress+0x3b/0x44f
? do_raw_spin_unlock+0x54/0x220
ionic_rx_service+0x11ab/0x3010 [ionic 9180c3001ab627d82bbc5f3ebe8a0decaf6bb864]
? ionic_tx_clean+0x29b/0xc60 [ionic 9180c3001ab627d82bbc5f3ebe8a0decaf6bb864]
? __pfx_ionic_tx_clean+0x10/0x10 [ionic 9180c3001ab627d82bbc5f3ebe8a0decaf6bb864]
? __pfx_ionic_rx_service+0x10/0x10 [ionic 9180c3001ab627d82bbc5f3ebe8a0decaf6bb864]
? ionic_tx_cq_service+0x25d/0xa00 [ionic 9180c3001ab627d82bbc5f3ebe8a0decaf6bb864]
? __pfx_ionic_rx_service+0x10/0x10 [ionic 9180c3001ab627d82bbc5f3ebe8a0decaf6bb864]
ionic_cq_service+0x69/0x150 [ionic 9180c3001ab627d82bbc5f3ebe8a0decaf6bb864]
ionic_txrx_napi+0x11a/0x540 [ionic 9180c3001ab627d82bbc5f3ebe8a0decaf6bb864]
__napi_poll.constprop.0+0xa0/0x440
net_rx_action+0x7e7/0xc30
? __pfx_net_rx_action+0x10/0x10
Metrics
Affected Vendors & Products
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Wed, 13 Nov 2024 02:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Redhat
Redhat enterprise Linux |
|
CPEs | cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9 |
|
Vendors & Products |
Redhat
Redhat enterprise Linux |
Thu, 12 Sep 2024 08:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Metrics |
ssvc
|
Wed, 11 Sep 2024 13:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Metrics |
ssvc
|
Thu, 29 Aug 2024 15:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Linux
Linux linux Kernel |
|
CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:* |
|
Vendors & Products |
Linux
Linux linux Kernel |
|
Metrics |
cvssV3_1
|
cvssV3_1
|
Tue, 13 Aug 2024 15:00:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Weaknesses | CWE-416 | |
Metrics |
cvssV3_1
|
cvssV3_1
|

Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-05-04T09:17:33.985Z
Reserved: 2024-07-12T12:17:45.580Z
Link: CVE-2024-40907

Updated: 2024-08-02T04:39:55.283Z

Status : Modified
Published: 2024-07-12T13:15:13.987
Modified: 2024-11-21T09:31:50.050
Link: CVE-2024-40907


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