[syzbot ci] Re: net: gro_cells: Provide lockdep class for gro_cell's bh_lock
From: syzbot ci <hidden>
Date: 2025-11-04 14:22:03
Also in:
linux-rt-devel, syzbot
syzbot ci has tested the following series [v1] net: gro_cells: Provide lockdep class for gro_cell's bh_lock https://lore.kernel.org/all/20251104111201.5eBxkOKb@linutronix.de (local) * [PATCH net] net: gro_cells: Provide lockdep class for gro_cell's bh_lock and found the following issue: BUG: key ADDR has not been registered! Full report is available here: https://ci.syzbot.org/series/487d8c1b-77a3-45c6-af6d-8195d5c60ad7 *** BUG: key ADDR has not been registered! tree: net URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netdev/net.git base: 3d18a84eddde169d6dbf3c72cc5358b988c347d0 arch: amd64 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 config: https://ci.syzbot.org/builds/45da8225-040a-4fda-9352-295e63030683/config gb_gbphy: registered new driver usb asus_wmi: ASUS WMI generic driver loaded gnss: GNSS driver registered with major 494 usbcore: registered new interface driver gnss-usb usbcore: registered new interface driver hdm_usb 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 BUG: key ffff88816c216e68 has not been registered! ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 1 at kernel/locking/lockdep.c:4976 lockdep_init_map_type+0x241/0x380 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:lockdep_init_map_type+0x241/0x380 Code: 75 cd 90 e8 21 dc e8 02 85 c0 74 22 83 3d 2a c9 df 0d 00 75 19 90 48 c7 c7 36 2e 8f 8d 48 c7 c6 93 c8 7e 8d e8 00 dd e5 ff 90 <0f> 0b 90 90 65 48 8b 05 93 fc d0 10 48 3b 44 24 08 0f 85 14 01 00 RSP: 0000:ffffc900000672a8 EFLAGS: 00010246 RAX: 40a598123e634300 RBX: ffffe8fee481dde8 RCX: ffff888102688000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba650 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88816c216e68 R15: ffffe8fee481dde8 FS: 0000000000000000(0000) GS:ffff88818eb3c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000dd38000 CR4: 00000000000006f0 Call Trace: <TASK> gro_cells_init+0x26c/0x380 ip_tunnel_init+0xc9/0x650 register_netdevice+0x6bf/0x1ae0 __ip_tunnel_create+0x3e7/0x560 ip_tunnel_init_net+0x2ba/0x800 ops_init+0x35c/0x5c0 register_pernet_operations+0x336/0x800 register_pernet_device+0x2a/0x80 ipip_init+0x1d/0xd0 do_one_initcall+0x236/0x820 do_initcall_level+0x104/0x190 do_initcalls+0x59/0xa0 kernel_init_freeable+0x334/0x4b0 kernel_init+0x1d/0x1d0 ret_from_fork+0x4bc/0x870 ret_from_fork_asm+0x1a/0x30 </TASK> *** If these findings have caused you to resend the series or submit a separate fix, please add the following tag to your commit message: Tested-by: syzbot@syzkaller.appspotmail.com --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com.