Backtrace

WARNING: CPU: 0 PID: 6456 at kernel/dma/direct.h:103 dma_direct_map_page+0x1da/0x200
Modules linked in: uinput snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc nls_utf8 cifs cifs_arc4 nls_ucs2_utils cifs_md4 dns_resolver netfs nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables qrtr b43 cordic bcma mac80211 libarc4 binfmt_misc cfg80211 iTCO_wdt at24 snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic gpio_ich intel_pmc_bxt dell_pc platform_profile iTCO_vendor_support dell_laptop rfkill snd_hda_intel dell_smm_hwmon snd_intel_dspcfg uvcvideo dell_wmi uvc videobuf2_vmalloc videobuf2_memops snd_intel_sdw_acpi coretemp
 dell_smbios videobuf2_v4l2 snd_hda_codec dcdbas videobuf2_common snd_hda_core wmi_bmof dell_wmi_descriptor videodev snd_hwdep pcspkr i2c_i801 i2c_smbus acpi_cpufreq snd_seq mc b44 r592 usblp memstick snd_seq_device mii snd_pcm lpc_ich ssb snd_timer snd soundcore quickstart sparse_keymap pktcdvd joydev auth_rpcgss loop sunrpc dm_multipath nfnetlink zram lz4hc_compress lz4_compress i915 sha512_ssse3 uas usb_storage sdhci_pci sdhci_uhs2 i2c_algo_bit sdhci drm_buddy ttm cqhci firewire_ohci drm_display_helper sha256_ssse3 mmc_core firewire_core sha1_ssse3 cec crc_itu_t video wmi serio_raw ata_generic pata_acpi scsi_dh_rdac scsi_dh_emc scsi_dh_alua fuse
CPU: 0 UID: 1002 PID: 6456 Comm: TrCNetSeparate Not tainted 6.14.5-100.fc40.x86_64 #1
Hardware name: Dell Inc. Inspiron 1520                   /0KY767, BIOS A09 07/11/2008
RIP: 0010:dma_direct_map_page+0x1da/0x200
Code: 8b 5d 00 48 89 ef e8 35 d8 a5 00 4d 89 e9 4d 89 e0 48 89 da 48 8d 4c 24 08 41 56 48 89 c6 48 c7 c7 a0 67 e3 90 e8 f6 1b f1 ff <0f> 0b 58 eb 9a 49 8b 42 08 83 78 68 05 0f 85 5f ff ff ff eb 8a e8
RSP: 0000:ffffb1ac4306b978 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff9fa0412bd3f0 RCX: 0000000000000027
RDX: ffff9fa0fc221948 RSI: 0000000000000001 RDI: ffff9fa0fc221940
RBP: ffff9fa0420870c8 R08: 0000000000000000 R09: 20737562202c6666
R10: 6c20737562202c66 R11: 2e29302074696d69 R12: 00000000000005d6
R13: 000000003fffffff R14: 0000000000000000 R15: 00000000000000fe
FS:  00007f5d26ffd6c0(0000) GS:ffff9fa0fc200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5d0406d000 CR3: 000000003e7d8000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 dma_map_page_attrs+0x6a/0x130
 b44_start_xmit+0xdc/0x600 [b44]
 dev_hard_start_xmit+0x64/0x1d0
 sch_direct_xmit+0x9f/0x360
 __dev_xmit_skb+0x241/0x5a0
 __dev_queue_xmit+0x43d/0x7d0
 ? nf_hook_slow+0x45/0xf0
 ip_finish_output2+0x25b/0x590
 __ip_queue_xmit+0x189/0x4a0
 __tcp_transmit_skb+0xa2b/0xb10
 tcp_write_xmit+0x441/0xbb0
 tcp_tsq_handler+0x6c/0x90
 tcp_tasklet_func+0xdf/0x120
 tasklet_action_common+0xb5/0x1c0
 handle_softirqs+0xf4/0x340
 __irq_exit_rcu+0xc2/0xe0
 common_interrupt+0x47/0xa0
 asm_common_interrupt+0x26/0x40
RIP: 0033:0x562d327251a3
Code: b6 db 44 0f b6 e1 44 0f b6 c2 0f b6 f7 0f b6 fd c1 e9 10 0f b6 ee 47 0f b6 14 16 47 0f b6 1c 1e 47 0f b6 24 26 47 0f b6 04 06 <45> 0f b6 0c 36 0f b6 f4 45 0f b6 2c 3e 0f b6 f9 41 0f b6 2c 2e 41
RSP: 002b:00007f5d26ffa418 EFLAGS: 00000207
RAX: 000000005b1e2bef RBX: 0000000074680160 RCX: 0000000000002853
RDX: 00000000a8ec5595 RSI: 0000000000000001 RDI: 00000000000000a5
RBP: 0000000000000055 R08: 000000000000002a R09: 000000002e2578ba
R10: 00000000000000df R11: 00000000000000d0 R12: 000000000000003d
R13: 0000000000210000 R14: 0000562d2ef2ca40 R15: 00007f5d040670b0
 </TASK>