Hello, syzbot found the following issue on: HEAD commit: 51b70ff55ed8 Add linux-next specific files for 20240201 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=17b05288180000 kernel config: https://syzkaller.appspot.com/x/.config?x=88d85200b6a62126 dashboard link: https://syzkaller.appspot.com/bug?extid=0e9c9f96dbdc31a8431b compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/f2d3a98d07e5/disk-51b70ff5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/d525430ddf13/vmlinux-51b70ff5.xz kernel image: https://storage.googleapis.com/syzbot-assets/6d1ec0b50066/bzImage-51b70ff5.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0e9c9f96dbdc31a8431b@xxxxxxxxxxxxxxxxxxxxxxxxx greybus: registered new driver hid greybus: registered new driver gbphy gb_gbphy: registered new driver usb asus_wmi: ASUS WMI generic driver loaded usbcore: registered new interface driver snd-usb-audio usbcore: registered new interface driver snd-ua101 usbcore: registered new interface driver snd-usb-usx2y usbcore: registered new interface driver snd-usb-us122l usbcore: registered new interface driver snd-usb-caiaq usbcore: registered new interface driver snd-usb-6fire usbcore: registered new interface driver snd-usb-hiface usbcore: registered new interface driver snd-bcd2000 usbcore: registered new interface driver snd_usb_pod usbcore: registered new interface driver snd_usb_podhd usbcore: registered new interface driver snd_usb_toneport usbcore: registered new interface driver snd_usb_variax drop_monitor: Initializing network drop monitor service NET: Registered PF_LLC protocol family GACT probability on Mirror/redirect action on Simple TC action Loaded netem: version 1.3 u32 classifier Performance counters on input device check on Actions configured nf_conntrack_irc: failed to register helpers nf_conntrack_sane: failed to register helpers nf_conntrack_sip: failed to register helpers xt_time: kernel timezone is -0000 IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) IPVS: Connection hash table configured (size=4096, memory=32Kbytes) IPVS: ipvs loaded. IPVS: [rr] scheduler registered. IPVS: [wrr] scheduler registered. IPVS: [lc] scheduler registered. IPVS: [wlc] scheduler registered. IPVS: [fo] scheduler registered. IPVS: [ovf] scheduler registered. IPVS: [lblc] scheduler registered. IPVS: [lblcr] scheduler registered. IPVS: [dh] scheduler registered. IPVS: [sh] scheduler registered. IPVS: [mh] scheduler registered. IPVS: [sed] scheduler registered. IPVS: [nq] scheduler registered. IPVS: [twos] scheduler registered. IPVS: [sip] pe registered. ipip: IPv4 and MPLS over IPv4 tunneling driver ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1 at kernel/bpf/btf.c:8131 register_btf_kfunc_id_set+0x261/0x290 kernel/bpf/btf.c:8131 Modules linked in: CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc2-next-20240201-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:register_btf_kfunc_id_set+0x261/0x290 kernel/bpf/btf.c:8131 Code: 16 e8 b3 fb db ff bd 0b 00 00 00 eb 0a e8 a7 fb db ff bd 0d 00 00 00 89 ef 4c 89 f6 5b 41 5e 41 5f 5d eb 45 e8 90 fb db ff 90 <0f> 0b 90 e9 22 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c da fd RSP: 0000:ffffc90000067940 EFLAGS: 00010293 RAX: ffffffff81b7d510 RBX: 0000000000000000 RCX: ffff888016a98000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: ffffffff81b7d311 R09: 1ffffffff1f0b5bd R10: dffffc0000000000 R11: fffffbfff1f0b5be R12: 1ffffffff21e0e1d R13: dffffc0000000000 R14: ffffffff8caa77c0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000df32000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> fou_init+0x50/0x110 net/ipv4/fou_core.c:1239 do_one_initcall+0x238/0x830 init/main.c:1233 do_initcall_level+0x157/0x210 init/main.c:1295 do_initcalls+0x3f/0x80 init/main.c:1311 kernel_init_freeable+0x430/0x5d0 init/main.c:1549 kernel_init+0x1d/0x2b0 init/main.c:1439 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:242 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
