Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski [off-list ref]:

On Wed, 25 Mar 2026 13:36:00 -0400 you wrote:

Eric Dumazet reported KCSAN warnings:

BUG: KCSAN: data-race in pfifo_fast_dequeue / pfifo_fast_enqueue

write to 0xffff88811d5ccc00 of 8 bytes by interrupt on cpu 0:
__ptr_ring_zero_tail include/linux/ptr_ring.h:259 [inline]
__ptr_ring_discard_one include/linux/ptr_ring.h:291 [inline]
__ptr_ring_consume include/linux/ptr_ring.h:311 [inline]
__skb_array_consume include/linux/skb_array.h:98 [inline]
pfifo_fast_dequeue+0x770/0x8f0 net/sched/sch_generic.c:770
dequeue_skb net/sched/sch_generic.c:297 [inline]
qdisc_restart net/sched/sch_generic.c:402 [inline]
__qdisc_run+0x189/0xc80 net/sched/sch_generic.c:420
qdisc_run include/net/pkt_sched.h:120 [inline]
net_tx_action+0x379/0x590 net/core/dev.c:5793
handle_softirqs+0xb9/0x280 kernel/softirq.c:622
do_softirq+0x45/0x60 kernel/softirq.c:523
__local_bh_enable_ip+0x70/0x80 kernel/softirq.c:450
local_bh_enable include/linux/bottom_half.h:33 [inline]
bpf_test_run+0x2db/0x620 net/bpf/test_run.c:426
bpf_prog_test_run_skb+0x9a4/0xef0 net/bpf/test_run.c:1159
bpf_prog_test_run+0x204/0x340 kernel/bpf/syscall.c:4721
__sys_bpf+0x52e/0x7e0 kernel/bpf/syscall.c:6246
__do_sys_bpf kernel/bpf/syscall.c:6341 [inline]
__se_sys_bpf kernel/bpf/syscall.c:6339 [inline]
__x64_sys_bpf+0x41/0x50 kernel/bpf/syscall.c:6339
x64_sys_call+0x10cb/0x3020 arch/x86/include/generated/asm/syscalls_64.h:322
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x12c/0x370 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f

[...]

Here is the summary with links:
  - [v2,net] ptr_ring: disable KCSAN warnings
    https://git.kernel.org/netdev/net-next/c/d748047af135

You are awesome, thank you!
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