syzbot


BUG: stack guard page was hit in rtnl_newlink

Status: upstream: reported on 2021/07/17 13:42
Reported-by: syzbot+399cbcbb7917bd2f96ee@syzkaller.appspotmail.com
First crash: 444d, last: 31m

Sample crash report:
BUG: TASK stack guard page was hit at ffffc90004c6fd58 (stack is ffffc90004c70000..ffffc90004c78000)
stack guard page: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 11457 Comm: syz-executor.5 Not tainted 6.0.0-rc4-syzkaller-00302-gb96fbd602d35 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:validate_chain+0x1b/0x6600 kernel/locking/lockdep.c:3785
Code: ce 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 00 03 00 00 49 89 ce <89> 54 24 28 49 89 fd 65 48 8b 04 25 28 00 00 00 48 89 84 24 e0 02
RSP: 0018:ffffc90004c6fd60 EFLAGS: 00010086
RAX: 1ffffffff1f934d0 RBX: ffffffff8fc9a680 RCX: 2cb9652b38557cce
RDX: 0000000000000000 RSI: ffff8880396fa848 RDI: ffff8880396f9d80
RBP: ffffc90004c70098 R08: dffffc0000000000 R09: fffffbfff1ff4409
R10: fffffbfff1ff4409 R11: 1ffffffff1ff4408 R12: 1ffff110072df4fd
R13: 2cb9652b38557cce R14: 2cb9652b38557cce R15: 0000000000000000
FS:  00007faaf6b9d700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90004c6fd58 CR3: 0000000074540000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __lock_acquire+0x1292/0x1f60 kernel/locking/lockdep.c:5053
 lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5666
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 rcu_note_context_switch+0x291/0x1050 kernel/rcu/tree_plugin.h:324
 __schedule+0x190/0xe20 kernel/sched/core.c:6394
 preempt_schedule_notrace+0xf8/0x140 kernel/sched/core.c:6756
 preempt_schedule_notrace_thunk+0x16/0x18
 rcu_is_watching+0x75/0xb0 kernel/rcu/tree.c:719
 rcu_read_unlock include/linux/rcupdate.h:735 [inline]
 put_master_ifindex+0x14c/0x230 net/core/rtnetlink.c:1579
 rtnl_fill_ifinfo+0xea1/0x1f50 net/core/rtnetlink.c:1779
 rtmsg_ifinfo_build_skb+0xdc/0x180 net/core/rtnetlink.c:3908
 rtmsg_ifinfo_event net/core/rtnetlink.c:3940 [inline]
 rtnetlink_event+0xea/0x1b0 net/core/rtnetlink.c:6141
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_change_features+0x72/0x1b0 net/core/dev.c:9823
 team_compute_features drivers/net/team/team.c:1031 [inline]
 team_device_event+0x2a2/0x450 drivers/net/team/team.c:3012
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1945 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_features_change net/core/dev.c:1315 [inline]
 netdev_sync_lower_features+0x38f/0x530 net/core/dev.c:9599
 __netdev_update_features+0x556/0x1240 net/core/dev.c:9751
 netdev_update_features+0x6d/0x1c0 net/core/dev.c:9806
 dev_disable_lro+0x43/0x1d0 net/core/dev.c:1588
 generic_xdp_install+0x15a/0x2b0 net/core/dev.c:5650
 dev_xdp_install+0x14a/0x340 net/core/dev.c:9126
 dev_xdp_attach+0xb96/0xe10 net/core/dev.c:9274
 dev_change_xdp_fd+0x1ce/0x250 net/core/dev.c:9520
 do_setlink+0x38ff/0x3f00 net/core/rtnetlink.c:3001
 rtnl_group_changelink net/core/rtnetlink.c:3302 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3556 [inline]
 rtnl_newlink+0x1137/0x2060 net/core/rtnetlink.c:3593
 rtnetlink_rcv_msg+0x7c9/0xeb0 net/core/rtnetlink.c:6090
 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2501
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x7e7/0x9c0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x9b3/0xcd0 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0x597/0x8e0 net/socket.c:2482
 ___sys_sendmsg net/socket.c:2536 [inline]
 __sys_sendmsg+0x28e/0x390 net/socket.c:2565
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7faaf5a893c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faaf6b9d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007faaf5b9bf80 RCX: 00007faaf5a893c9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 00007faaf5ae433f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc989450cf R14: 00007faaf6b9d300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:validate_chain+0x1b/0x6600 kernel/locking/lockdep.c:3785
Code: ce 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 00 03 00 00 49 89 ce <89> 54 24 28 49 89 fd 65 48 8b 04 25 28 00 00 00 48 89 84 24 e0 02
RSP: 0018:ffffc90004c6fd60 EFLAGS: 00010086
RAX: 1ffffffff1f934d0 RBX: ffffffff8fc9a680 RCX: 2cb9652b38557cce
RDX: 0000000000000000 RSI: ffff8880396fa848 RDI: ffff8880396f9d80
RBP: ffffc90004c70098 R08: dffffc0000000000 R09: fffffbfff1ff4409
R10: fffffbfff1ff4409 R11: 1ffffffff1ff4408 R12: 1ffff110072df4fd
R13: 2cb9652b38557cce R14: 2cb9652b38557cce R15: 0000000000000000
FS:  00007faaf6b9d700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90004c6fd58 CR3: 0000000074540000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	08 66 2e             	or     %ah,0x2e(%rsi)
   3:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
   a:	00
   b:	0f 1f 00             	nopl   (%rax)
   e:	55                   	push   %rbp
   f:	48 89 e5             	mov    %rsp,%rbp
  12:	41 57                	push   %r15
  14:	41 56                	push   %r14
  16:	41 55                	push   %r13
  18:	41 54                	push   %r12
  1a:	53                   	push   %rbx
  1b:	48 83 e4 e0          	and    $0xffffffffffffffe0,%rsp
  1f:	48 81 ec 00 03 00 00 	sub    $0x300,%rsp
  26:	49 89 ce             	mov    %rcx,%r14
* 29:	89 54 24 28          	mov    %edx,0x28(%rsp) <-- trapping instruction
  2d:	49 89 fd             	mov    %rdi,%r13
  30:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  37:	00 00
  39:	48                   	rex.W
  3a:	89                   	.byte 0x89
  3b:	84 24 e0             	test   %ah,(%rax,%riz,8)
  3e:	02                   	.byte 0x2

Crashes (151):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2022/09/11 15:35 upstream b96fbd602d35 356d8217 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce-root 2022/08/19 09:05 upstream 3b06a2755758 26a13b38 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce-smack-root 2022/08/19 05:48 upstream 3b06a2755758 26a13b38 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce 2022/08/07 01:52 upstream 200e340f2196 88e3a122 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce-root 2022/07/03 18:46 upstream 69cb6c6556ad 1434eec0 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce-selinux-root 2022/06/26 04:59 upstream 8c23f235a6a8 a371c43c .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce-smack-root 2022/05/18 07:44 upstream 210e04ff7681 744a39e2 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce 2022/04/09 22:15 upstream f1b45d8ccb98 e22c3da3 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce-smack-root 2022/03/25 00:02 upstream ed4643521e6a 89bc8608 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce-smack-root 2021/07/13 13:36 upstream 7fef2edf7cc7 f415556d .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce-386 2022/10/01 05:23 upstream 5a77386984b5 feb56351 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-kasan-gce-386 2022/07/29 04:46 upstream 33ea1340bafe fb95c74d .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-qemu-upstream-386 2022/04/17 03:22 upstream 90ea17a9e27b 8bcc32a6 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/09/24 23:16 net b7ca8d5f56e6 0042f2b4 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/09/19 13:34 net 96628951869c dd9a85ff .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/08/21 14:45 net e82c649e851c 26a13b38 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/07/30 23:18 net 9e98f8c7707f fef302b1 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/07/30 10:47 net b65a1534cfd6 fef302b1 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/07/19 09:21 net c32349f3257f ff988920 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/07/13 15:27 net 22b9c41a3fb8 5d921b08 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/07/10 21:16 net 72a0b329114b b5765a15 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/07/03 14:34 net 3d5a2a396f19 1434eec0 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/06/02 23:30 net c6fbbf1eae8f 5783034f .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/03/31 09:10 net c9ad266bbef5 9d49f3a7 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/03/23 01:17 net 6a7d8cff4a33 d88ef0c5 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-this-kasan-gce 2022/02/27 07:11 net 519ca6fa9605 45a13a73 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/09/28 17:36 net-next b9a5cbf8ba24 e2556bc3 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/09/16 11:53 net-next 8a26a9dee5e3 dd9a85ff .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/09/16 07:49 net-next 8a26a9dee5e3 dd9a85ff .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/08/25 11:14 net-next 1faa34672f8a 514514f6 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/08/24 04:57 net-next 6c2c782fa013 cea8b0f7 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/07/14 06:55 net-next 6a605eb1d71e 5d921b08 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/07/06 08:25 net-next 7e40e16e38ba bff65f44 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/07/05 08:14 net-next 874bdbfe624e bff65f44 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/07/04 22:31 net-next 798661c73672 bff65f44 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/07/03 01:11 net-next 04740c53cac4 1434eec0 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/07/02 10:00 net-next dbdd9a28e140 1434eec0 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/07/01 09:38 net-next bf48c3fae6d7 1434eec0 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/07/01 01:54 net-next bf48c3fae6d7 1434eec0 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/06/30 08:52 net-next 2a832912dba2 1434eec0 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/06/30 00:02 net-next d640516a65d8 1434eec0 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/06/09 03:10 net-next da6e113ff010 b2706118 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/06/01 08:19 net-next 7e062cda7d90 3666edfe .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/05/24 10:04 net-next b1e6738a2185 e7f9308d .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/04/19 08:10 net-next a997157e42e3 8bcc32a6 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/04/17 20:28 net-next 53c33a16d068 8bcc32a6 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/03/06 17:18 net-next 925a24213b5c 7bdd8b2c .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-net-kasan-gce 2022/03/05 03:18 net-next 1039135aedfc 45a13a73 .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-linux-next-kasan-gce-root 2022/09/16 09:40 linux-next e47eb90a0a9a dd9a85ff .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-linux-next-kasan-gce-root 2022/09/14 15:30 linux-next e47eb90a0a9a b884348d .config log report info BUG: stack guard page was hit in rtnl_newlink
ci-upstream-linux-next-kasan-gce-root 2022/04/29 03:10 linux-next bdc61aad77fa e9076525 .config log report info BUG: stack guard page was hit in rtnl_newlink
* Struck through repros no longer work on HEAD.