Hello, syzbot found the following issue on: HEAD commit: 9322c47b Merge tag 'xfs-5.9-fixes-2' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11428395900000 kernel config: https://syzkaller.appspot.com/x/.config?x=e1c560d0f4e121c9 dashboard link: https://syzkaller.appspot.com/bug?extid=5846c06bbd501a165e52 compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5846c06bbd501a165e52@xxxxxxxxxxxxxxxxxxxxxxxxx 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 --- 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.
