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kernel BUG in ip6gre_header (2)

Status: fixed on 2024/01/20 21:18
Subsystems: net
[Documentation on labels]
Fix commit: 3cffa2ddc4d3 bonding: stop the device in bond_setup_by_slave()
First crash: 241d, last: 227d
Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG at net/core/skbuff.c:LINE! C unreliable 494 637d 1856d 0/1 upstream: reported C repro on 2019/04/27 20:12
upstream kernel BUG in ip6gre_header net C 5 277d 348d 23/26 fixed on 2023/09/28 17:51
upstream kernel BUG in ip6gre_header (3) net 1 111d 111d 0/26 closed as invalid on 2024/03/01 17:31
upstream kernel BUG in llc_sap_action_send_xid_c net C error 61 930d 1143d 20/26 fixed on 2021/11/10 00:50
upstream kernel BUG in pskb_expand_head net C done 1600 473d 924d 22/26 fixed on 2023/02/25 08:02
linux-6.1 kernel BUG in ip6gre_header origin:upstream C 1 7d01h 348d 0/3 upstream: reported C repro on 2023/06/14 11:11
Last patch testing requests (2)
Created Duration User Patch Repo Result
2023/11/01 13:57 1h53m edumazet@google.com patch git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2023/10/13 12:25 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log

Sample crash report:
bond0: (slave ip6gre0): Error -95 calling set_mac_address
skbuff: skb_under_panic: text:ffff800089508810 len:44 put:40 head:ffff0000c78e7c00 data:ffff0000c78e7bea tail:0x16 end:0x140 dev:bond0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:192!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6007 Comm: syz-executor383 Not tainted 6.6.0-rc3-syzkaller-gbf6547d8715b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : skb_panic net/core/skbuff.c:188 [inline]
pc : skb_under_panic+0x13c/0x140 net/core/skbuff.c:202
lr : skb_panic net/core/skbuff.c:188 [inline]
lr : skb_under_panic+0x13c/0x140 net/core/skbuff.c:202
sp : ffff800096a06aa0
x29: ffff800096a06ab0 x28: ffff800096a06ba0 x27: dfff800000000000
x26: ffff0000ce9b9b50 x25: 0000000000000016 x24: ffff0000c78e7bea
x23: ffff0000c78e7c00 x22: 000000000000002c x21: 0000000000000140
x20: 0000000000000028 x19: ffff800089508810 x18: ffff800096a06100
x17: 0000000000000000 x16: ffff80008a629a3c x15: 0000000000000001
x14: 1fffe00036837a32 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000201 x10: 0000000000000000 x9 : cb50b496c519aa00
x8 : cb50b496c519aa00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800096a063b8 x4 : ffff80008e280f80 x3 : ffff8000805ad11c
x2 : 0000000000000001 x1 : 0000000100000201 x0 : 0000000000000086
Call trace:
 skb_panic net/core/skbuff.c:188 [inline]
 skb_under_panic+0x13c/0x140 net/core/skbuff.c:202
 skb_push+0xf0/0x108 net/core/skbuff.c:2446
 ip6gre_header+0xbc/0x738 net/ipv6/ip6_gre.c:1384
 dev_hard_header include/linux/netdevice.h:3136 [inline]
 lapbeth_data_transmit+0x1c4/0x298 drivers/net/wan/lapbether.c:257
 lapb_data_transmit+0x8c/0xb0 net/lapb/lapb_iface.c:447
 lapb_transmit_buffer+0x178/0x204 net/lapb/lapb_out.c:149
 lapb_send_control+0x220/0x320 net/lapb/lapb_subr.c:251
 __lapb_disconnect_request+0x9c/0x17c net/lapb/lapb_iface.c:326
 lapb_device_event+0x288/0x4e0 net/lapb/lapb_iface.c:492
 notifier_call_chain+0x1a4/0x510 kernel/notifier.c:93
 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461
 call_netdevice_notifiers_info net/core/dev.c:1970 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2008 [inline]
 call_netdevice_notifiers net/core/dev.c:2022 [inline]
 __dev_close_many+0x1b8/0x3c4 net/core/dev.c:1508
 dev_close_many+0x1e0/0x470 net/core/dev.c:1559
 dev_close+0x174/0x250 net/core/dev.c:1585
 lapbeth_device_event+0x2e4/0x958 drivers/net/wan/lapbether.c:466
 notifier_call_chain+0x1a4/0x510 kernel/notifier.c:93
 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461
 call_netdevice_notifiers_info net/core/dev.c:1970 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2008 [inline]
 call_netdevice_notifiers net/core/dev.c:2022 [inline]
 __dev_close_many+0x1b8/0x3c4 net/core/dev.c:1508
 dev_close_many+0x1e0/0x470 net/core/dev.c:1559
 dev_close+0x174/0x250 net/core/dev.c:1585
 bond_enslave+0x2298/0x30cc drivers/net/bonding/bond_main.c:2332
 bond_do_ioctl+0x268/0xc64 drivers/net/bonding/bond_main.c:4539
 dev_ifsioc+0x754/0x9ac
 dev_ioctl+0x4d8/0xd34 net/core/dev_ioctl.c:786
 sock_do_ioctl+0x1d4/0x2d0 net/socket.c:1217
 sock_ioctl+0x4e8/0x834 net/socket.c:1322
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: aa1803e6 aa1903e7 a90023f5 94785b8b (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/29 07:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf6547d8715b d265efd8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ip6gre_header
2023/09/29 03:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf6547d8715b d265efd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in ip6gre_header
* Struck through repros no longer work on HEAD.