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BUG: stack guard page was hit in validate_chain (2)

Status: auto-closed as invalid on 2021/01/03 22:38
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+5846c06bbd501a165e52@syzkaller.appspotmail.com
First crash: 1318d, last: 1318d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
BUG: stack guard page was hit in validate_chain (2) 0 (1) 2020/09/10 04:37
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: stack guard page was hit in validate_chain kernel 1 1530d 1530d 0/26 auto-closed as invalid on 2020/05/06 21:45

Sample crash report:
BUG: stack guard page was hit at 00000000554f5028 (stack is 00000000460081ac..000000007ee658c0)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 17122 Comm: syz-executor.2 Not tainted 5.9.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:validate_chain+0x3f/0x88a0 kernel/locking/lockdep.c:3171
Code: 01 00 00 49 89 ce 89 54 24 68 48 89 7c 24 28 65 48 8b 04 25 28 00 00 00 48 89 84 24 b0 01 00 00 49 bf 00 00 00 00 00 fc ff df <48> 89 34 24 4c 8d 6e 20 4c 89 e8 48 c1 e8 03 48 89 44 24 58 42 8a
RSP: 0018:ffffc90008d1ffe0 EFLAGS: 00010082
RAX: ffa821a9c58d6a00 RBX: ffffffff8afcba70 RCX: 041395c41cf575f9
RDX: 0000000000000000 RSI: ffff88808c830990 RDI: ffff88808c830080
RBP: ffffc90008d201d0 R08: dffffc0000000000 R09: fffffbfff167d899
R10: fffffbfff167d899 R11: 0000000000000000 R12: 041395c41cf575f9
R13: ffff88808c8309b0 R14: 041395c41cf575f9 R15: dffffc0000000000
FS:  00007f2bfc628700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90008d1ffe0 CR3: 0000000015958000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __lock_acquire+0x110b/0x2ae0 kernel/locking/lockdep.c:4426
 lock_acquire+0x140/0x6f0 kernel/locking/lockdep.c:5006
 seqcount_lockdep_reader_access include/linux/seqlock.h:102 [inline]
 read_seqcount_t_begin+0xb3/0x1a0 include/linux/seqlock.h:311
 read_seqbegin include/linux/seqlock.h:752 [inline]
 zone_span_seqbegin include/linux/memory_hotplug.h:80 [inline]
 page_outside_zone_boundaries mm/page_alloc.c:561 [inline]
 bad_range+0x7e/0x260 mm/page_alloc.c:590
 rmqueue+0xde/0x1c90 mm/page_alloc.c:3409
 get_page_from_freelist+0x631/0xcc0 mm/page_alloc.c:3828
 __alloc_pages_nodemask+0x27e/0x5c0 mm/page_alloc.c:4882
 __alloc_pages include/linux/gfp.h:509 [inline]
 __alloc_pages_node include/linux/gfp.h:522 [inline]
 kmem_getpages+0x37/0x1d0 mm/slab.c:1376
 cache_grow_begin+0x64/0x2b0 mm/slab.c:2590
 cache_alloc_refill+0x359/0x3f0 mm/slab.c:2962
 ____cache_alloc mm/slab.c:3045 [inline]
 slab_alloc_node mm/slab.c:3241 [inline]
 kmem_cache_alloc_node_trace+0x285/0x2a0 mm/slab.c:3592
 __do_kmalloc_node mm/slab.c:3614 [inline]
 __kmalloc_node_track_caller+0x37/0x60 mm/slab.c:3629
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 __alloc_skb+0xde/0x4f0 net/core/skbuff.c:210
 alloc_skb include/linux/skbuff.h:1094 [inline]
 nlmsg_new include/net/netlink.h:940 [inline]
 rtmsg_ifinfo_build_skb+0x81/0x180 net/core/rtnetlink.c:3804
 rtmsg_ifinfo_event net/core/rtnetlink.c:3840 [inline]
 rtnetlink_event+0xed/0x1b0 net/core/rtnetlink.c:5614
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2033 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2045 [inline]
 call_netdevice_notifiers net/core/dev.c:2059 [inline]
 netdev_features_change net/core/dev.c:1444 [inline]
 netdev_sync_lower_features net/core/dev.c:9372 [inline]
 __netdev_update_features+0xa11/0x1860 net/core/dev.c:9503
 netdev_change_features+0x2e/0x140 net/core/dev.c:9575
 bond_compute_features+0x5d0/0x690 drivers/net/bonding/bond_main.c:1308
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3375 [inline]
 bond_netdev_event+0x31a/0xb50 drivers/net/bonding/bond_main.c:3415
 raw_notifier_call_chain+0x
Lost 239 message(s)!
---[ end trace fceae5a866b0f30f ]---
RIP: 0010:validate_chain+0x3f/0x88a0 kernel/locking/lockdep.c:3171
Code: 01 00 00 49 89 ce 89 54 24 68 48 89 7c 24 28 65 48 8b 04 25 28 00 00 00 48 89 84 24 b0 01 00 00 49 bf 00 00 00 00 00 fc ff df <48> 89 34 24 4c 8d 6e 20 4c 89 e8 48 c1 e8 03 48 89 44 24 58 42 8a
RSP: 0018:ffffc90008d1ffe0 EFLAGS: 00010082
RAX: ffa821a9c58d6a00 RBX: ffffffff8afcba70 RCX: 041395c41cf575f9
RDX: 0000000000000000 RSI: ffff88808c830990 RDI: ffff88808c830080
RBP: ffffc90008d201d0 R08: dffffc0000000000 R09: fffffbfff167d899
R10: fffffbfff167d899 R11: 0000000000000000 R12: 041395c41cf575f9
R13: ffff88808c8309b0 R14: 041395c41cf575f9 R15: dffffc0000000000
FS:  00007f2bfc628700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90008d1ffe0 CR3: 0000000015958000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/09/05 22:37 upstream 9322c47b21b9 abf9ba4f .config console log report ci-upstream-kasan-gce-smack-root
* Struck through repros no longer work on HEAD.