netif-tx-race-condition

gistfile1.txt

[ 2184.746764] ------------[ cut here ]------------
[ 2184.751412] kernel BUG at lib/dynamic_queue_limits.c:99!
[ 2184.756728] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
[ 2184.763517] Modules linked in: rpmsg_ctrl rpmsg_char cdns3 cdns_usb_common phy_cadence_torrent irq_pruss_intc icssg_prueth icssg mux_gpio icss_iep pru_rproc phy_can_transceiver dp83869 cdns3_ti phy_j7216
[ 2184.800014] CPU: 0 UID: 0 PID: 828 Comm: xdp-trafficgen Not tainted 6.14.0-rc7-01409-g444a55bea18c-dirty #18
[ 2184.809835] Hardware name: Texas Instruments AM642 EVM (DT)
[ 2184.815397] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 2184.822347] pc : dql_completed+0x258/0x2b4
[ 2184.826451] lr : emac_tx_complete_packets+0x294/0x384 [icssg]
[ 2184.832218] sp : ffff800080003d10
[ 2184.835521] x29: ffff800080003d10 x28: 00000000ffffffc3 x27: 0000000000000040
[ 2184.842652] x26: ffff000011c56800 x25: ffff000011e28a00 x24: ffff000011e28000
[ 2184.849782] x23: ffff000011e28c48 x22: 00000000000010eb x21: 0000000000000041
[ 2184.856911] x20: ffff000011e28a00 x19: ffff000011c56880 x18: 000000000000001c
[ 2184.864040] x17: ffff7ffffd1f1000 x16: ffff800080000000 x15: 0000001cccfc0ad3
[ 2184.871169] x14: ffff0000074be800 x13: 0000000000000000 x12: 0000000000002000
[ 2184.878298] x11: ffff80008493d000 x10: 0000000000000000 x9 : 7fffffffffffffff
[ 2184.885427] x8 : 00000000035b033c x7 : 0000000000000000 x6 : 0000000000000000
[ 2184.892556] x5 : 00000000035b133c x4 : 0000000000000000 x3 : 0000000000000000
[ 2184.899684] x2 : 0000000000000000 x1 : 00000000000010eb x0 : 0000000000001000
[ 2184.906814] Call trace:
[ 2184.909253]  dql_completed+0x258/0x2b4 (P)
[ 2184.913349]  emac_tx_complete_packets+0x294/0x384 [icssg]
[ 2184.918756]  emac_napi_tx_poll+0x4c/0xd8 [icssg]
[ 2184.923381]  __napi_poll+0x38/0x220
[ 2184.926873]  net_rx_action+0x140/0x294
[ 2184.930619]  handle_softirqs+0x114/0x354
[ 2184.934538]  __do_softirq+0x14/0x20
[ 2184.938022]  ____do_softirq+0x10/0x1c
[ 2184.941679]  call_on_irq_stack+0x24/0x4c
[ 2184.945598]  do_softirq_own_stack+0x1c/0x2c
[ 2184.949775]  do_softirq+0x54/0x6c
[ 2184.953085]  __local_bh_enable_ip+0x8c/0x98
[ 2184.957261]  xdp_test_run_batch.constprop.0+0x2ac/0x5fc
[ 2184.962486]  bpf_test_run_xdp_live+0x1bc/0x284
[ 2184.966928]  bpf_prog_test_run_xdp+0x234/0x578
[ 2184.971367]  __sys_bpf+0xd70/0x20b4
[ 2184.974854]  __arm64_sys_bpf+0x24/0x50
[ 2184.978598]  invoke_syscall+0x48/0x110
[ 2184.982347]  el0_svc_common.constprop.0+0xc0/0xe0
[ 2184.987047]  do_el0_svc+0x1c/0x28
[ 2184.990360]  el0_svc+0x30/0xd0
[ 2184.993413]  el0t_64_sync_handler+0xc8/0xcc
[ 2184.997590]  el0t_64_sync+0x198/0x19c
[ 2185.001252] Code: 370000a0 f94013f5 17ffffc6 f90013f5 (d4210000)
[ 2185.007338] ---[ end trace 0000000000000000 ]---
[ 2185.011946] Kernel panic - not syncing: Oops - BUG: Fatal exception in interrupt
[ 2185.019327] SMP: stopping secondary CPUs
[ 2185.023268] Kernel Offset: disabled
[ 2185.026747] CPU features: 0x000,00000800,00800000,8200421b
[ 2185.032222] Memory Limit: none
[ 2185.035271] ---[ end Kernel panic - not syncing: Oops - BUG: Fatal exception in interrupt ]---