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* [syzbot] BUG: TASK stack guard page was hit at ADDR (stack is ADDR..ADDR)
@ 2021-11-07 10:22 syzbot
  2021-12-14  7:27 ` Dmitry Vyukov
  0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2021-11-07 10:22 UTC (permalink / raw)
  To: bridge, davem, kuba, linux-kernel, netdev, nikolay, roopa,
	syzkaller-bugs

Hello,

syzbot found the following issue on:

HEAD commit:    cc0356d6a02e Merge tag 'x86_core_for_v5.16_rc1' of git://g..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=108bb246b00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a5d447cdc3ae81d9
dashboard link: https://syzkaller.appspot.com/bug?extid=11e187621fbc19749a18
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

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+11e187621fbc19749a18@syzkaller.appspotmail.com

BUG: TASK stack guard page was hit at ffffc9000d447fc8 (stack is ffffc9000d448000..ffffc9000d450000)
stack guard page: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 383 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554
Code: 84 00 00 00 00 00 90 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 18 01 00 00 48 8d 5c 24 38 <48> 89 3c 24 48 c7 44 24 38 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 40
RSP: 0018:ffffc9000d447fd8 EFLAGS: 00010096
RAX: 0000000000000000 RBX: ffffc9000d448010 RCX: ffffffff815c419d
RDX: dffffc0000000000 RSI: ffff88803a27e1d8 RDI: ffff88803a27d700
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fd38a07
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: ffff88803a27d700 R14: ffff88803a27e160 R15: dffffc0000000000
FS:  00007f1792855700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000d447fc8 CR3: 000000017af51000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 mark_usage kernel/locking/lockdep.c:4514 [inline]
 __lock_acquire+0x8a7/0x54a0 kernel/locking/lockdep.c:4969
 lock_acquire kernel/locking/lockdep.c:5625 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
 rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
 rcu_read_lock include/linux/rcupdate.h:688 [inline]
 br_get_link_af_size_filtered+0xa7/0xbe0 net/bridge/br_netlink.c:104
 rtnl_link_get_af_size net/core/rtnetlink.c:598 [inline]
 if_nlmsg_size+0x40c/0xa50 net/core/rtnetlink.c:1039
 rtmsg_ifinfo_build_skb+0x5e/0x1a0 net/core/rtnetlink.c:3808
 rtmsg_ifinfo_event net/core/rtnetlink.c:3844 [inline]
 rtmsg_ifinfo_event net/core/rtnetlink.c:3835 [inline]
 rtnetlink_event+0x123/0x1d0 net/core/rtnetlink.c:5622
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_change_features+0x61/0xb0 net/core/dev.c:10075
 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
 bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
 call_netdevice_notifiers net/core/dev.c:2028 [inline]
 netdev_features_change net/core/dev.c:1374 [inline]
 netdev_sync_lower_features net/core/dev.c:9851 [inline]
 __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
 netdev_update_features net/core/dev.c:10058 [inline]
 dev_disable_lro+0x8d/0x3e0 net/core/dev.c:1646
 br_add_if+0xb78/0x1f20 net/bridge/br_if.c:645
 add_del_if+0x10c/0x140 net/bridge/br_ioctl.c:98
 br_ioctl_stub+0x1d0/0x7e0 net/bridge/br_ioctl.c:407
 br_ioctl_call+0x5e/0xa0 net/socket.c:1092
 dev_ifsioc+0xcf8/0x10c0 net/core/dev_ioctl.c:386
 dev_ioctl+0x1b9/0xed0 net/core/dev_ioctl.c:585
 sock_do_ioctl+0x15a/0x230 net/socket.c:1132
 sock_ioctl+0x2f1/0x640 net/socket.c:1235
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f1795321ae9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1792855188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f17954350e0 RCX: 00007f1795321ae9
RDX: 0000000020000000 RSI: 00000000000089a2 RDI: 0000000000000004
RBP: 00007f179537bf25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe1c04ac0f R14: 00007f1792855300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 2e97ffe52c6a9452 ]---
RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554
Code: 84 00 00 00 00 00 90 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 18 01 00 00 48 8d 5c 24 38 <48> 89 3c 24 48 c7 44 24 38 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 40
RSP: 0018:ffffc9000d447fd8 EFLAGS: 00010096
RAX: 0000000000000000 RBX: ffffc9000d448010 RCX: ffffffff815c419d
RDX: dffffc0000000000 RSI: ffff88803a27e1d8 RDI: ffff88803a27d700
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fd38a07
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: ffff88803a27d700 R14: ffff88803a27e160 R15: dffffc0000000000
FS:  00007f1792855700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000d447fc8 CR3: 000000017af51000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	84 00                	test   %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	90                   	nop
   7:	41 57                	push   %r15
   9:	41 56                	push   %r14
   b:	41 55                	push   %r13
   d:	41 54                	push   %r12
   f:	41 89 d4             	mov    %edx,%r12d
  12:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  19:	fc ff df
  1c:	55                   	push   %rbp
  1d:	53                   	push   %rbx
  1e:	48 81 ec 18 01 00 00 	sub    $0x118,%rsp
  25:	48 8d 5c 24 38       	lea    0x38(%rsp),%rbx
* 2a:	48 89 3c 24          	mov    %rdi,(%rsp) <-- trapping instruction
  2e:	48 c7 44 24 38 b3 8a 	movq   $0x41b58ab3,0x38(%rsp)
  35:	b5 41
  37:	48 c1 eb 03          	shr    $0x3,%rbx
  3b:	48                   	rex.W
  3c:	c7                   	.byte 0xc7
  3d:	44 24 40             	rex.R and $0x40,%al


---
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@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

^ permalink raw reply	[flat|nested] 2+ messages in thread
* Re: [syzbot] BUG: TASK stack guard page was hit at ADDR (stack is ADDR..ADDR)
  2021-11-07 10:22 [syzbot] BUG: TASK stack guard page was hit at ADDR (stack is ADDR..ADDR) syzbot
@ 2021-12-14  7:27 ` Dmitry Vyukov
  0 siblings, 0 replies; 2+ messages in thread
From: Dmitry Vyukov @ 2021-12-14  7:27 UTC (permalink / raw)
  To: syzbot
  Cc: bridge, davem, kuba, linux-kernel, netdev, nikolay, roopa,
	syzkaller-bugs

On Sun, 7 Nov 2021 at 11:22, syzbot
<syzbot+11e187621fbc19749a18@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:    cc0356d6a02e Merge tag 'x86_core_for_v5.16_rc1' of git://g..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=108bb246b00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=a5d447cdc3ae81d9
> dashboard link: https://syzkaller.appspot.com/bug?extid=11e187621fbc19749a18
> compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
>
> 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+11e187621fbc19749a18@syzkaller.appspotmail.com

Kernel output has changed. I've repaired parsing here:
https://github.com/google/syzkaller/commit/7b14e14df007095c58e6be2811d5e4a2ac31f875

#syz invalid

> BUG: TASK stack guard page was hit at ffffc9000d447fc8 (stack is ffffc9000d448000..ffffc9000d450000)
> stack guard page: 0000 [#1] PREEMPT SMP KASAN
> CPU: 0 PID: 383 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller #0
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
> RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554
> Code: 84 00 00 00 00 00 90 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 18 01 00 00 48 8d 5c 24 38 <48> 89 3c 24 48 c7 44 24 38 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 40
> RSP: 0018:ffffc9000d447fd8 EFLAGS: 00010096
> RAX: 0000000000000000 RBX: ffffc9000d448010 RCX: ffffffff815c419d
> RDX: dffffc0000000000 RSI: ffff88803a27e1d8 RDI: ffff88803a27d700
> RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fd38a07
> R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
> R13: ffff88803a27d700 R14: ffff88803a27e160 R15: dffffc0000000000
> FS:  00007f1792855700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: ffffc9000d447fc8 CR3: 000000017af51000 CR4: 0000000000350ef0
> Call Trace:
>  <TASK>
>  mark_usage kernel/locking/lockdep.c:4514 [inline]
>  __lock_acquire+0x8a7/0x54a0 kernel/locking/lockdep.c:4969
>  lock_acquire kernel/locking/lockdep.c:5625 [inline]
>  lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
>  rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
>  rcu_read_lock include/linux/rcupdate.h:688 [inline]
>  br_get_link_af_size_filtered+0xa7/0xbe0 net/bridge/br_netlink.c:104
>  rtnl_link_get_af_size net/core/rtnetlink.c:598 [inline]
>  if_nlmsg_size+0x40c/0xa50 net/core/rtnetlink.c:1039
>  rtmsg_ifinfo_build_skb+0x5e/0x1a0 net/core/rtnetlink.c:3808
>  rtmsg_ifinfo_event net/core/rtnetlink.c:3844 [inline]
>  rtmsg_ifinfo_event net/core/rtnetlink.c:3835 [inline]
>  rtnetlink_event+0x123/0x1d0 net/core/rtnetlink.c:5622
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_change_features+0x61/0xb0 net/core/dev.c:10075
>  bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1471
>  bond_slave_netdev_event drivers/net/bonding/bond_main.c:3638 [inline]
>  bond_netdev_event+0x755/0xae0 drivers/net/bonding/bond_main.c:3678
>  notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
>  call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
>  call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
>  call_netdevice_notifiers net/core/dev.c:2028 [inline]
>  netdev_features_change net/core/dev.c:1374 [inline]
>  netdev_sync_lower_features net/core/dev.c:9851 [inline]
>  __netdev_update_features+0x986/0x1840 net/core/dev.c:10003
>  netdev_update_features net/core/dev.c:10058 [inline]
>  dev_disable_lro+0x8d/0x3e0 net/core/dev.c:1646
>  br_add_if+0xb78/0x1f20 net/bridge/br_if.c:645
>  add_del_if+0x10c/0x140 net/bridge/br_ioctl.c:98
>  br_ioctl_stub+0x1d0/0x7e0 net/bridge/br_ioctl.c:407
>  br_ioctl_call+0x5e/0xa0 net/socket.c:1092
>  dev_ifsioc+0xcf8/0x10c0 net/core/dev_ioctl.c:386
>  dev_ioctl+0x1b9/0xed0 net/core/dev_ioctl.c:585
>  sock_do_ioctl+0x15a/0x230 net/socket.c:1132
>  sock_ioctl+0x2f1/0x640 net/socket.c:1235
>  vfs_ioctl fs/ioctl.c:51 [inline]
>  __do_sys_ioctl fs/ioctl.c:874 [inline]
>  __se_sys_ioctl fs/ioctl.c:860 [inline]
>  __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
>  do_syscall_x64 arch/x86/entry/common.c:50 [inline]
>  do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
>  entry_SYSCALL_64_after_hwframe+0x44/0xae
> RIP: 0033:0x7f1795321ae9
> 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 bc ff ff ff f7 d8 64 89 01 48
> RSP: 002b:00007f1792855188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
> RAX: ffffffffffffffda RBX: 00007f17954350e0 RCX: 00007f1795321ae9
> RDX: 0000000020000000 RSI: 00000000000089a2 RDI: 0000000000000004
> RBP: 00007f179537bf25 R08: 0000000000000000 R09: 0000000000000000
> R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
> R13: 00007ffe1c04ac0f R14: 00007f1792855300 R15: 0000000000022000
>  </TASK>
> Modules linked in:
> ---[ end trace 2e97ffe52c6a9452 ]---
> RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554
> Code: 84 00 00 00 00 00 90 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 18 01 00 00 48 8d 5c 24 38 <48> 89 3c 24 48 c7 44 24 38 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 40
> RSP: 0018:ffffc9000d447fd8 EFLAGS: 00010096
> RAX: 0000000000000000 RBX: ffffc9000d448010 RCX: ffffffff815c419d
> RDX: dffffc0000000000 RSI: ffff88803a27e1d8 RDI: ffff88803a27d700
> RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fd38a07
> R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
> R13: ffff88803a27d700 R14: ffff88803a27e160 R15: dffffc0000000000
> FS:  00007f1792855700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: ffffc9000d447fc8 CR3: 000000017af51000 CR4: 0000000000350ef0
> ----------------
> Code disassembly (best guess):
>    0:   84 00                   test   %al,(%rax)
>    2:   00 00                   add    %al,(%rax)
>    4:   00 00                   add    %al,(%rax)
>    6:   90                      nop
>    7:   41 57                   push   %r15
>    9:   41 56                   push   %r14
>    b:   41 55                   push   %r13
>    d:   41 54                   push   %r12
>    f:   41 89 d4                mov    %edx,%r12d
>   12:   48 ba 00 00 00 00 00    movabs $0xdffffc0000000000,%rdx
>   19:   fc ff df
>   1c:   55                      push   %rbp
>   1d:   53                      push   %rbx
>   1e:   48 81 ec 18 01 00 00    sub    $0x118,%rsp
>   25:   48 8d 5c 24 38          lea    0x38(%rsp),%rbx
> * 2a:   48 89 3c 24             mov    %rdi,(%rsp) <-- trapping instruction
>   2e:   48 c7 44 24 38 b3 8a    movq   $0x41b58ab3,0x38(%rsp)
>   35:   b5 41
>   37:   48 c1 eb 03             shr    $0x3,%rbx
>   3b:   48                      rex.W
>   3c:   c7                      .byte 0xc7
>   3d:   44 24 40                rex.R and $0x40,%al
>
>
> ---
> 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@googlegroups.com.
>
> syzbot will keep track of this issue. See:
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^ permalink raw reply	[flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-12-14  7:27 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-11-07 10:22 [syzbot] BUG: TASK stack guard page was hit at ADDR (stack is ADDR..ADDR) syzbot
2021-12-14  7:27 ` Dmitry Vyukov

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