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possible deadlock in bond_get_stats (3)

Status: fixed on 2020/04/15 17:19
Subsystems: net
[Documentation on labels]
Fix commit: b3e80d44f5b1 bonding: fix lockdep warning in bond_get_stats()
First crash: 1582d, last: 1582d
Cause bisection: the cause commit could be any of (bisect log):
  9211bfbff80a netfilter: add missing IS_ENABLED(CONFIG_BRIDGE_NETFILTER) checks to header-file.
  47e640af2e49 netfilter: add missing IS_ENABLED(CONFIG_NF_TABLES) check to header-file.
  a1b2f04ea527 netfilter: add missing includes to a number of header-files.
  0abc8bf4f284 netfilter: add missing IS_ENABLED(CONFIG_NF_CONNTRACK) checks to some header-files.
  bd96b4c75675 netfilter: inline four headers files into another one.
  43dd16efc7f2 netfilter: nf_tables: store data in offload context registers
  78458e3e08cd netfilter: add missing IS_ENABLED(CONFIG_NETFILTER) checks to some header-files.
  20a9379d9a03 netfilter: remove "#ifdef __KERNEL__" guards from some headers.
  bd8699e9e292 netfilter: nft_bitwise: add offload support
  2a475c409fe8 kbuild: remove all netfilter headers from header-test blacklist.
  7e59b3fea2a2 netfilter: remove unnecessary spaces
  1b90af292e71 ipvs: Improve robustness to the ipvs sysctl
  5785cf15fd74 netfilter: nf_tables: add missing prototypes.
  0a30ba509fde netfilter: nf_nat_proto: make tables static
  e84fb4b3666d netfilter: conntrack: use shared sysctl constants
  105333435b4f netfilter: connlabels: prefer static lock initialiser
  8c0bb7873815 netfilter: synproxy: rename mss synproxy_options field
  c162610c7db2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
  
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 possible deadlock in bond_get_stats C 1244 472d 1610d 0/1 upstream: reported C repro on 2020/01/24 05:20
upstream possible deadlock in bond_get_stats net C 11 2149d 2153d 8/27 fixed on 2018/08/08 18:10
upstream possible deadlock in bond_get_stats (2) net 2 1859d 2026d 0/27 auto-closed as invalid on 2019/10/25 08:51
linux-4.14 possible deadlock in bond_get_stats C 130 477d 1614d 0/1 upstream: reported C repro on 2020/01/20 04:38

Sample crash report:
device macsec5 entered promiscuous mode
device bond0 entered promiscuous mode
=====================================================
WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
5.6.0-rc1-syzkaller #0 Not tainted
-----------------------------------------------------
syz-executor.0/9806 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire:
ffff8880945f4c08 (&bond->stats_lock_key#2/1){+.+.}, at: bond_get_stats+0x12c/0x520 drivers/net/bonding/bond_main.c:3585

and this task is already holding:
ffff8880a2fd4280 (&dev->addr_list_lock_key#84){+...}, at: spin_lock_bh include/linux/spinlock.h:343 [inline]
ffff8880a2fd4280 (&dev->addr_list_lock_key#84){+...}, at: netif_addr_lock_bh include/linux/netdevice.h:4162 [inline]
ffff8880a2fd4280 (&dev->addr_list_lock_key#84){+...}, at: dev_uc_add+0x25/0xc0 net/core/dev_addr_lists.c:588
which would create a new lock dependency:
 (&dev->addr_list_lock_key#84){+...} -> (&bond->stats_lock_key#2/1){+.+.}

but this new dependency connects a SOFTIRQ-irq-safe lock:
 (&(&mc->mca_lock)->rlock){+.-.}

... which became SOFTIRQ-irq-safe at:
  lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
  __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
  _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175
  spin_lock_bh include/linux/spinlock.h:343 [inline]
  mld_send_cr net/ipv6/mcast.c:1953 [inline]
  mld_ifc_timer_expire+0x2c6/0x950 net/ipv6/mcast.c:2477
  call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
  expire_timers kernel/time/timer.c:1449 [inline]
  __run_timers kernel/time/timer.c:1773 [inline]
  __run_timers kernel/time/timer.c:1740 [inline]
  run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
  __do_softirq+0x262/0x98c kernel/softirq.c:292
  invoke_softirq kernel/softirq.c:373 [inline]
  irq_exit+0x19b/0x1e0 kernel/softirq.c:413
  exiting_irq arch/x86/include/asm/apic.h:546 [inline]
  smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1146
  apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
  arch_local_irq_restore arch/x86/include/asm/paravirt.h:752 [inline]
  kfree+0x239/0x2c0 mm/slab.c:3758
  tomoyo_path_perm+0x24e/0x430 security/tomoyo/file.c:842
  tomoyo_inode_getattr+0x1d/0x30 security/tomoyo/tomoyo.c:129
  security_inode_getattr+0xf2/0x150 security/security.c:1254
  vfs_getattr+0x25/0x70 fs/stat.c:117
  vfs_statx+0x15d/0x200 fs/stat.c:201
  vfs_stat include/linux/fs.h:3271 [inline]
  __do_sys_newstat+0xa4/0x130 fs/stat.c:351
  __se_sys_newstat fs/stat.c:347 [inline]
  __x64_sys_newstat+0x54/0x80 fs/stat.c:347
  do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
  entry_SYSCALL_64_after_hwframe+0x49/0xbe

to a SOFTIRQ-irq-unsafe lock:
 (&bond->stats_lock_key#2/1){+.+.}

... which became SOFTIRQ-irq-unsafe at:
...
  lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
  _raw_spin_lock_nested+0x35/0x50 kernel/locking/spinlock.c:361
  bond_get_stats+0x12c/0x520 drivers/net/bonding/bond_main.c:3585
  dev_get_stats+0x8e/0x280 net/core/dev.c:9694
  rtnl_fill_stats+0x4d/0xac0 net/core/rtnetlink.c:1192
  rtnl_fill_ifinfo+0x1107/0x3be0 net/core/rtnetlink.c:1734
  rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685
  rtmsg_ifinfo_event.part.0+0x43/0xe0 net/core/rtnetlink.c:3717
  rtmsg_ifinfo_event net/core/rtnetlink.c:5494 [inline]
  rtnetlink_event+0x12c/0x150 net/core/rtnetlink.c:5487
  notifier_call_chain+0xc2/0x230 kernel/notifier.c:83
  __raw_notifier_call_chain kernel/notifier.c:361 [inline]
  raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:368
  call_netdevice_notifiers_info net/core/dev.c:1948 [inline]
  call_netdevice_notifiers_info+0xba/0x130 net/core/dev.c:1933
  call_netdevice_notifiers_extack net/core/dev.c:1960 [inline]
  call_netdevice_notifiers net/core/dev.c:1974 [inline]
  netdev_features_change net/core/dev.c:1364 [inline]
  netdev_change_features+0x7e/0xb0 net/core/dev.c:9098
  bond_compute_features.isra.0+0x56a/0xa80 drivers/net/bonding/bond_main.c:1188
  bond_enslave+0x3571/0x4af0 drivers/net/bonding/bond_main.c:1818
  do_set_master net/core/rtnetlink.c:2468 [inline]
  do_set_master+0x1dd/0x240 net/core/rtnetlink.c:2441
  do_setlink+0xad2/0x3720 net/core/rtnetlink.c:2603
  __rtnl_newlink+0xbef/0x1790 net/core/rtnetlink.c:3252
  rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
  rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
  netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
  rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
  netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
  netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
  netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
  sock_sendmsg_nosec net/socket.c:652 [inline]
  sock_sendmsg+0xd7/0x130 net/socket.c:672
  __sys_sendto+0x262/0x380 net/socket.c:1998
  __do_sys_sendto net/socket.c:2010 [inline]
  __se_sys_sendto net/socket.c:2006 [inline]
  __x64_sys_sendto+0xe1/0x1a0 net/socket.c:2006
  do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
  entry_SYSCALL_64_after_hwframe+0x49/0xbe

other info that might help us debug this:

Chain exists of:
  &(&mc->mca_lock)->rlock --> &dev->addr_list_lock_key#84 --> &bond->stats_lock_key#2/1

 Possible interrupt unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&bond->stats_lock_key#2/1);
                               local_irq_disable();
                               lock(&(&mc->mca_lock)->rlock);
                               lock(&dev->addr_list_lock_key#84);
  <Interrupt>
    lock(&(&mc->mca_lock)->rlock);

 *** DEADLOCK ***

3 locks held by syz-executor.0/9806:
 #0: ffffffff8a74d400 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
 #0: ffffffff8a74d400 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x405/0xaf0 net/core/rtnetlink.c:5433
 #1: ffff8880a2fd4280 (&dev->addr_list_lock_key#84){+...}, at: spin_lock_bh include/linux/spinlock.h:343 [inline]
 #1: ffff8880a2fd4280 (&dev->addr_list_lock_key#84){+...}, at: netif_addr_lock_bh include/linux/netdevice.h:4162 [inline]
 #1: ffff8880a2fd4280 (&dev->addr_list_lock_key#84){+...}, at: dev_uc_add+0x25/0xc0 net/core/dev_addr_lists.c:588
 #2: ffffffff89bac240 (rcu_read_lock){....}, at: bond_get_stats+0x0/0x520 drivers/net/bonding/bond_main.c:2666

the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
 -> (&(&mc->mca_lock)->rlock){+.-.} {
    HARDIRQ-ON-W at:
                      lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
                      __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
                      _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175
                      spin_lock_bh include/linux/spinlock.h:343 [inline]
                      mld_del_delrec+0x368/0x5b0 net/ipv6/mcast.c:786
                      __ipv6_dev_mc_inc+0x80c/0xc90 net/ipv6/mcast.c:930
                      ipv6_dev_mc_inc+0x20/0x30 net/ipv6/mcast.c:938
                      ipv6_add_dev net/ipv6/addrconf.c:453 [inline]
                      ipv6_add_dev+0xa2e/0x10b0 net/ipv6/addrconf.c:363
                      addrconf_init+0xd8/0x3a3 net/ipv6/addrconf.c:7040
                      inet6_init+0x36c/0x6e1 net/ipv6/af_inet6.c:1071
                      do_one_initcall+0x120/0x820 init/main.c:1146
                      do_initcall_level init/main.c:1219 [inline]
                      do_initcalls init/main.c:1235 [inline]
                      do_basic_setup init/main.c:1255 [inline]
                      kernel_init_freeable+0x522/0x5d0 init/main.c:1439
                      kernel_init+0x12/0x1bf init/main.c:1346
                      ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
    IN-SOFTIRQ-W at:
                      lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
                      __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
                      _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175
                      spin_lock_bh include/linux/spinlock.h:343 [inline]
                      mld_send_cr net/ipv6/mcast.c:1953 [inline]
                      mld_ifc_timer_expire+0x2c6/0x950 net/ipv6/mcast.c:2477
                      call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
                      expire_timers kernel/time/timer.c:1449 [inline]
                      __run_timers kernel/time/timer.c:1773 [inline]
                      __run_timers kernel/time/timer.c:1740 [inline]
                      run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
                      __do_softirq+0x262/0x98c kernel/softirq.c:292
                      invoke_softirq kernel/softirq.c:373 [inline]
                      irq_exit+0x19b/0x1e0 kernel/softirq.c:413
                      exiting_irq arch/x86/include/asm/apic.h:546 [inline]
                      smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1146
                      apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
                      arch_local_irq_restore arch/x86/include/asm/paravirt.h:752 [inline]
                      kfree+0x239/0x2c0 mm/slab.c:3758
                      tomoyo_path_perm+0x24e/0x430 security/tomoyo/file.c:842
                      tomoyo_inode_getattr+0x1d/0x30 security/tomoyo/tomoyo.c:129
                      security_inode_getattr+0xf2/0x150 security/security.c:1254
                      vfs_getattr+0x25/0x70 fs/stat.c:117
                      vfs_statx+0x15d/0x200 fs/stat.c:201
                      vfs_stat include/linux/fs.h:3271 [inline]
                      __do_sys_newstat+0xa4/0x130 fs/stat.c:351
                      __se_sys_newstat fs/stat.c:347 [inline]
                      __x64_sys_newstat+0x54/0x80 fs/stat.c:347
                      do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
                      entry_SYSCALL_64_after_hwframe+0x49/0xbe
    INITIAL USE at:
                     lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
                     __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
                     _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175
                     spin_lock_bh include/linux/spinlock.h:343 [inline]
                     mld_del_delrec+0x368/0x5b0 net/ipv6/mcast.c:786
                     __ipv6_dev_mc_inc+0x80c/0xc90 net/ipv6/mcast.c:930
                     ipv6_dev_mc_inc+0x20/0x30 net/ipv6/mcast.c:938
                     ipv6_add_dev net/ipv6/addrconf.c:453 [inline]
                     ipv6_add_dev+0xa2e/0x10b0 net/ipv6/addrconf.c:363
                     addrconf_init+0xd8/0x3a3 net/ipv6/addrconf.c:7040
                     inet6_init+0x36c/0x6e1 net/ipv6/af_inet6.c:1071
                     do_one_initcall+0x120/0x820 init/main.c:1146
                     do_initcall_level init/main.c:1219 [inline]
                     do_initcalls init/main.c:1235 [inline]
                     do_basic_setup init/main.c:1255 [inline]
                     kernel_init_freeable+0x522/0x5d0 init/main.c:1439
                     kernel_init+0x12/0x1bf init/main.c:1346
                     ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
  }
  ... key      at: [<ffffffff8c40ff20>] __key.78260+0x0/0x40
  ... acquired at:
   __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
   _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175
   spin_lock_bh include/linux/spinlock.h:343 [inline]
   netif_addr_lock_bh include/linux/netdevice.h:4162 [inline]
   __dev_mc_add+0x2e/0xd0 net/core/dev_addr_lists.c:765
   dev_mc_add+0x20/0x30 net/core/dev_addr_lists.c:783
   igmp6_group_added+0x3b5/0x460 net/ipv6/mcast.c:672
   __ipv6_dev_mc_inc+0x814/0xc90 net/ipv6/mcast.c:931
   ipv6_dev_mc_inc+0x20/0x30 net/ipv6/mcast.c:938
   ipv6_add_dev net/ipv6/addrconf.c:456 [inline]
   ipv6_add_dev+0xa3d/0x10b0 net/ipv6/addrconf.c:363
   addrconf_notify+0x89c/0x2270 net/ipv6/addrconf.c:3491
   notifier_call_chain+0xc2/0x230 kernel/notifier.c:83
   __raw_notifier_call_chain kernel/notifier.c:361 [inline]
   raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:368
   call_netdevice_notifiers_info net/core/dev.c:1948 [inline]
   call_netdevice_notifiers_info+0xba/0x130 net/core/dev.c:1933
   call_netdevice_notifiers_extack net/core/dev.c:1960 [inline]
   call_netdevice_notifiers net/core/dev.c:1974 [inline]
   register_netdevice+0x6de/0x1070 net/core/dev.c:9399
   macsec_newlink+0x305/0x1100 drivers/net/macsec.c:3669
   __rtnl_newlink+0x109d/0x1790 net/core/rtnetlink.c:3319
   rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
   rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
   netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
   rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
   netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
   netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
   netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
   sock_sendmsg_nosec net/socket.c:652 [inline]
   sock_sendmsg+0xd7/0x130 net/socket.c:672
   ____sys_sendmsg+0x753/0x880 net/socket.c:2343
   ___sys_sendmsg+0x100/0x170 net/socket.c:2397
   __sys_sendmsg+0x105/0x1d0 net/socket.c:2430
   __do_sys_sendmsg net/socket.c:2439 [inline]
   __se_sys_sendmsg net/socket.c:2437 [inline]
   __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437
   do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
   entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> (&dev->addr_list_lock_key#84){+...} {
   HARDIRQ-ON-W at:
                    lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
                    __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
                    _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175
                    spin_lock_bh include/linux/spinlock.h:343 [inline]
                    netif_addr_lock_bh include/linux/netdevice.h:4162 [inline]
                    __dev_mc_add+0x2e/0xd0 net/core/dev_addr_lists.c:765
                    dev_mc_add+0x20/0x30 net/core/dev_addr_lists.c:783
                    igmp6_group_added+0x3b5/0x460 net/ipv6/mcast.c:672
                    __ipv6_dev_mc_inc+0x814/0xc90 net/ipv6/mcast.c:931
                    ipv6_dev_mc_inc+0x20/0x30 net/ipv6/mcast.c:938
                    ipv6_add_dev net/ipv6/addrconf.c:456 [inline]
                    ipv6_add_dev+0xa3d/0x10b0 net/ipv6/addrconf.c:363
                    addrconf_notify+0x89c/0x2270 net/ipv6/addrconf.c:3491
                    notifier_call_chain+0xc2/0x230 kernel/notifier.c:83
                    __raw_notifier_call_chain kernel/notifier.c:361 [inline]
                    raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:368
                    call_netdevice_notifiers_info net/core/dev.c:1948 [inline]
                    call_netdevice_notifiers_info+0xba/0x130 net/core/dev.c:1933
                    call_netdevice_notifiers_extack net/core/dev.c:1960 [inline]
                    call_netdevice_notifiers net/core/dev.c:1974 [inline]
                    register_netdevice+0x6de/0x1070 net/core/dev.c:9399
                    macsec_newlink+0x305/0x1100 drivers/net/macsec.c:3669
                    __rtnl_newlink+0x109d/0x1790 net/core/rtnetlink.c:3319
                    rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
                    rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
                    netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
                    rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
                    netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
                    netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
                    netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
                    sock_sendmsg_nosec net/socket.c:652 [inline]
                    sock_sendmsg+0xd7/0x130 net/socket.c:672
                    ____sys_sendmsg+0x753/0x880 net/socket.c:2343
                    ___sys_sendmsg+0x100/0x170 net/socket.c:2397
                    __sys_sendmsg+0x105/0x1d0 net/socket.c:2430
                    __do_sys_sendmsg net/socket.c:2439 [inline]
                    __se_sys_sendmsg net/socket.c:2437 [inline]
                    __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437
                    do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
                    entry_SYSCALL_64_after_hwframe+0x49/0xbe
   INITIAL USE at:
                   lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
                   __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
                   _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:175
                   spin_lock_bh include/linux/spinlock.h:343 [inline]
                   netif_addr_lock_bh include/linux/netdevice.h:4162 [inline]
                   __dev_mc_add+0x2e/0xd0 net/core/dev_addr_lists.c:765
                   dev_mc_add+0x20/0x30 net/core/dev_addr_lists.c:783
                   igmp6_group_added+0x3b5/0x460 net/ipv6/mcast.c:672
                   __ipv6_dev_mc_inc+0x814/0xc90 net/ipv6/mcast.c:931
                   ipv6_dev_mc_inc+0x20/0x30 net/ipv6/mcast.c:938
                   ipv6_add_dev net/ipv6/addrconf.c:456 [inline]
                   ipv6_add_dev+0xa3d/0x10b0 net/ipv6/addrconf.c:363
                   addrconf_notify+0x89c/0x2270 net/ipv6/addrconf.c:3491
                   notifier_call_chain+0xc2/0x230 kernel/notifier.c:83
                   __raw_notifier_call_chain kernel/notifier.c:361 [inline]
                   raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:368
                   call_netdevice_notifiers_info net/core/dev.c:1948 [inline]
                   call_netdevice_notifiers_info+0xba/0x130 net/core/dev.c:1933
                   call_netdevice_notifiers_extack net/core/dev.c:1960 [inline]
                   call_netdevice_notifiers net/core/dev.c:1974 [inline]
                   register_netdevice+0x6de/0x1070 net/core/dev.c:9399
                   macsec_newlink+0x305/0x1100 drivers/net/macsec.c:3669
                   __rtnl_newlink+0x109d/0x1790 net/core/rtnetlink.c:3319
                   rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
                   rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
                   netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
                   rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
                   netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
                   netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
                   netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
                   sock_sendmsg_nosec net/socket.c:652 [inline]
                   sock_sendmsg+0xd7/0x130 net/socket.c:672
                   ____sys_sendmsg+0x753/0x880 net/socket.c:2343
                   ___sys_sendmsg+0x100/0x170 net/socket.c:2397
                   __sys_sendmsg+0x105/0x1d0 net/socket.c:2430
                   __do_sys_sendmsg net/socket.c:2439 [inline]
                   __se_sys_sendmsg net/socket.c:2437 [inline]
                   __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437
                   do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
                   entry_SYSCALL_64_after_hwframe+0x49/0xbe
 }
 ... key      at: [<ffff8880a2fd4b48>] 0xffff8880a2fd4b48
 ... acquired at:
   lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
   _raw_spin_lock_nested+0x35/0x50 kernel/locking/spinlock.c:361
   bond_get_stats+0x12c/0x520 drivers/net/bonding/bond_main.c:3585
   dev_get_stats+0x8e/0x280 net/core/dev.c:9694
   rtnl_fill_stats+0x4d/0xac0 net/core/rtnetlink.c:1192
   rtnl_fill_ifinfo+0x1107/0x3be0 net/core/rtnetlink.c:1734
   rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685
   rtmsg_ifinfo_event.part.0+0x43/0xe0 net/core/rtnetlink.c:3717
   rtmsg_ifinfo_event net/core/rtnetlink.c:3728 [inline]
   rtmsg_ifinfo+0x8d/0xa0 net/core/rtnetlink.c:3726
   __dev_notify_flags+0x235/0x2c0 net/core/dev.c:8175
   __dev_set_promiscuity+0x1a1/0x220 net/core/dev.c:7951
   dev_set_promiscuity+0x57/0xe0 net/core/dev.c:7971
   macsec_dev_change_rx_flags+0x14a/0x180 drivers/net/macsec.c:3238
   dev_change_rx_flags net/core/dev.c:7904 [inline]
   __dev_set_promiscuity.cold+0x2d3/0x343 net/core/dev.c:7948
   __dev_set_rx_mode+0x23b/0x320 net/core/dev.c:8053
   dev_uc_add+0xb1/0xc0 net/core/dev_addr_lists.c:592
   macsec_dev_open+0xd5/0x470 drivers/net/macsec.c:3151
   __dev_open+0x25a/0x3f0 net/core/dev.c:1436
   __dev_change_flags+0x55f/0x6d0 net/core/dev.c:8141
   rtnl_configure_link+0xf3/0x250 net/core/rtnetlink.c:3001
   __rtnl_newlink+0x10c6/0x1790 net/core/rtnetlink.c:3337
   rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
   rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
   netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
   rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
   netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
   netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
   netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
   sock_sendmsg_nosec net/socket.c:652 [inline]
   sock_sendmsg+0xd7/0x130 net/socket.c:672
   ____sys_sendmsg+0x753/0x880 net/socket.c:2343
   ___sys_sendmsg+0x100/0x170 net/socket.c:2397
   __sys_sendmsg+0x105/0x1d0 net/socket.c:2430
   __do_sys_sendmsg net/socket.c:2439 [inline]
   __se_sys_sendmsg net/socket.c:2437 [inline]
   __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437
   do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
   entry_SYSCALL_64_after_hwframe+0x49/0xbe


the dependencies between the lock to be acquired
 and SOFTIRQ-irq-unsafe lock:
-> (&bond->stats_lock_key#2/1){+.+.} {
   HARDIRQ-ON-W at:
                    lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
                    _raw_spin_lock_nested+0x35/0x50 kernel/locking/spinlock.c:361
                    bond_get_stats+0x12c/0x520 drivers/net/bonding/bond_main.c:3585
                    dev_get_stats+0x8e/0x280 net/core/dev.c:9694
                    rtnl_fill_stats+0x4d/0xac0 net/core/rtnetlink.c:1192
                    rtnl_fill_ifinfo+0x1107/0x3be0 net/core/rtnetlink.c:1734
                    rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685
                    rtmsg_ifinfo_event.part.0+0x43/0xe0 net/core/rtnetlink.c:3717
                    rtmsg_ifinfo_event net/core/rtnetlink.c:5494 [inline]
                    rtnetlink_event+0x12c/0x150 net/core/rtnetlink.c:5487
                    notifier_call_chain+0xc2/0x230 kernel/notifier.c:83
                    __raw_notifier_call_chain kernel/notifier.c:361 [inline]
                    raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:368
                    call_netdevice_notifiers_info net/core/dev.c:1948 [inline]
                    call_netdevice_notifiers_info+0xba/0x130 net/core/dev.c:1933
                    call_netdevice_notifiers_extack net/core/dev.c:1960 [inline]
                    call_netdevice_notifiers net/core/dev.c:1974 [inline]
                    netdev_features_change net/core/dev.c:1364 [inline]
                    netdev_change_features+0x7e/0xb0 net/core/dev.c:9098
                    bond_compute_features.isra.0+0x56a/0xa80 drivers/net/bonding/bond_main.c:1188
                    bond_enslave+0x3571/0x4af0 drivers/net/bonding/bond_main.c:1818
                    do_set_master net/core/rtnetlink.c:2468 [inline]
                    do_set_master+0x1dd/0x240 net/core/rtnetlink.c:2441
                    do_setlink+0xad2/0x3720 net/core/rtnetlink.c:2603
                    __rtnl_newlink+0xbef/0x1790 net/core/rtnetlink.c:3252
                    rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
                    rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
                    netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
                    rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
                    netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
                    netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
                    netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
                    sock_sendmsg_nosec net/socket.c:652 [inline]
                    sock_sendmsg+0xd7/0x130 net/socket.c:672
                    __sys_sendto+0x262/0x380 net/socket.c:1998
                    __do_sys_sendto net/socket.c:2010 [inline]
                    __se_sys_sendto net/socket.c:2006 [inline]
                    __x64_sys_sendto+0xe1/0x1a0 net/socket.c:2006
                    do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
                    entry_SYSCALL_64_after_hwframe+0x49/0xbe
   SOFTIRQ-ON-W at:
                    lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
                    _raw_spin_lock_nested+0x35/0x50 kernel/locking/spinlock.c:361
                    bond_get_stats+0x12c/0x520 drivers/net/bonding/bond_main.c:3585
                    dev_get_stats+0x8e/0x280 net/core/dev.c:9694
                    rtnl_fill_stats+0x4d/0xac0 net/core/rtnetlink.c:1192
                    rtnl_fill_ifinfo+0x1107/0x3be0 net/core/rtnetlink.c:1734
                    rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685
                    rtmsg_ifinfo_event.part.0+0x43/0xe0 net/core/rtnetlink.c:3717
                    rtmsg_ifinfo_event net/core/rtnetlink.c:5494 [inline]
                    rtnetlink_event+0x12c/0x150 net/core/rtnetlink.c:5487
                    notifier_call_chain+0xc2/0x230 kernel/notifier.c:83
                    __raw_notifier_call_chain kernel/notifier.c:361 [inline]
                    raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:368
                    call_netdevice_notifiers_info net/core/dev.c:1948 [inline]
                    call_netdevice_notifiers_info+0xba/0x130 net/core/dev.c:1933
                    call_netdevice_notifiers_extack net/core/dev.c:1960 [inline]
                    call_netdevice_notifiers net/core/dev.c:1974 [inline]
                    netdev_features_change net/core/dev.c:1364 [inline]
                    netdev_change_features+0x7e/0xb0 net/core/dev.c:9098
                    bond_compute_features.isra.0+0x56a/0xa80 drivers/net/bonding/bond_main.c:1188
                    bond_enslave+0x3571/0x4af0 drivers/net/bonding/bond_main.c:1818
                    do_set_master net/core/rtnetlink.c:2468 [inline]
                    do_set_master+0x1dd/0x240 net/core/rtnetlink.c:2441
                    do_setlink+0xad2/0x3720 net/core/rtnetlink.c:2603
                    __rtnl_newlink+0xbef/0x1790 net/core/rtnetlink.c:3252
                    rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
                    rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
                    netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
                    rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
                    netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
                    netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
                    netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
                    sock_sendmsg_nosec net/socket.c:652 [inline]
                    sock_sendmsg+0xd7/0x130 net/socket.c:672
                    __sys_sendto+0x262/0x380 net/socket.c:1998
                    __do_sys_sendto net/socket.c:2010 [inline]
                    __se_sys_sendto net/socket.c:2006 [inline]
                    __x64_sys_sendto+0xe1/0x1a0 net/socket.c:2006
                    do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
                    entry_SYSCALL_64_after_hwframe+0x49/0xbe
   INITIAL USE at:
                   lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
                   _raw_spin_lock_nested+0x35/0x50 kernel/locking/spinlock.c:361
                   bond_get_stats+0x12c/0x520 drivers/net/bonding/bond_main.c:3585
                   dev_get_stats+0x8e/0x280 net/core/dev.c:9694
                   rtnl_fill_stats+0x4d/0xac0 net/core/rtnetlink.c:1192
                   rtnl_fill_ifinfo+0x1107/0x3be0 net/core/rtnetlink.c:1734
                   rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685
                   rtmsg_ifinfo_event.part.0+0x43/0xe0 net/core/rtnetlink.c:3717
                   rtmsg_ifinfo_event net/core/rtnetlink.c:5494 [inline]
                   rtnetlink_event+0x12c/0x150 net/core/rtnetlink.c:5487
                   notifier_call_chain+0xc2/0x230 kernel/notifier.c:83
                   __raw_notifier_call_chain kernel/notifier.c:361 [inline]
                   raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:368
                   call_netdevice_notifiers_info net/core/dev.c:1948 [inline]
                   call_netdevice_notifiers_info+0xba/0x130 net/core/dev.c:1933
                   call_netdevice_notifiers_extack net/core/dev.c:1960 [inline]
                   call_netdevice_notifiers net/core/dev.c:1974 [inline]
                   netdev_features_change net/core/dev.c:1364 [inline]
                   netdev_change_features+0x7e/0xb0 net/core/dev.c:9098
                   bond_compute_features.isra.0+0x56a/0xa80 drivers/net/bonding/bond_main.c:1188
                   bond_enslave+0x3571/0x4af0 drivers/net/bonding/bond_main.c:1818
                   do_set_master net/core/rtnetlink.c:2468 [inline]
                   do_set_master+0x1dd/0x240 net/core/rtnetlink.c:2441
                   do_setlink+0xad2/0x3720 net/core/rtnetlink.c:2603
                   __rtnl_newlink+0xbef/0x1790 net/core/rtnetlink.c:3252
                   rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
                   rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
                   netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
                   rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
                   netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
                   netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
                   netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
                   sock_sendmsg_nosec net/socket.c:652 [inline]
                   sock_sendmsg+0xd7/0x130 net/socket.c:672
                   __sys_sendto+0x262/0x380 net/socket.c:1998
                   __do_sys_sendto net/socket.c:2010 [inline]
                   __se_sys_sendto net/socket.c:2006 [inline]
                   __x64_sys_sendto+0xe1/0x1a0 net/socket.c:2006
                   do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
                   entry_SYSCALL_64_after_hwframe+0x49/0xbe
 }
 ... key      at: [<ffff8880945f5221>] 0xffff8880945f5221
 ... acquired at:
   lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
   _raw_spin_lock_nested+0x35/0x50 kernel/locking/spinlock.c:361
   bond_get_stats+0x12c/0x520 drivers/net/bonding/bond_main.c:3585
   dev_get_stats+0x8e/0x280 net/core/dev.c:9694
   rtnl_fill_stats+0x4d/0xac0 net/core/rtnetlink.c:1192
   rtnl_fill_ifinfo+0x1107/0x3be0 net/core/rtnetlink.c:1734
   rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685
   rtmsg_ifinfo_event.part.0+0x43/0xe0 net/core/rtnetlink.c:3717
   rtmsg_ifinfo_event net/core/rtnetlink.c:3728 [inline]
   rtmsg_ifinfo+0x8d/0xa0 net/core/rtnetlink.c:3726
   __dev_notify_flags+0x235/0x2c0 net/core/dev.c:8175
   __dev_set_promiscuity+0x1a1/0x220 net/core/dev.c:7951
   dev_set_promiscuity+0x57/0xe0 net/core/dev.c:7971
   macsec_dev_change_rx_flags+0x14a/0x180 drivers/net/macsec.c:3238
   dev_change_rx_flags net/core/dev.c:7904 [inline]
   __dev_set_promiscuity.cold+0x2d3/0x343 net/core/dev.c:7948
   __dev_set_rx_mode+0x23b/0x320 net/core/dev.c:8053
   dev_uc_add+0xb1/0xc0 net/core/dev_addr_lists.c:592
   macsec_dev_open+0xd5/0x470 drivers/net/macsec.c:3151
   __dev_open+0x25a/0x3f0 net/core/dev.c:1436
   __dev_change_flags+0x55f/0x6d0 net/core/dev.c:8141
   rtnl_configure_link+0xf3/0x250 net/core/rtnetlink.c:3001
   __rtnl_newlink+0x10c6/0x1790 net/core/rtnetlink.c:3337
   rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
   rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
   netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
   rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
   netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
   netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
   netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
   sock_sendmsg_nosec net/socket.c:652 [inline]
   sock_sendmsg+0xd7/0x130 net/socket.c:672
   ____sys_sendmsg+0x753/0x880 net/socket.c:2343
   ___sys_sendmsg+0x100/0x170 net/socket.c:2397
   __sys_sendmsg+0x105/0x1d0 net/socket.c:2430
   __do_sys_sendmsg net/socket.c:2439 [inline]
   __se_sys_sendmsg net/socket.c:2437 [inline]
   __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437
   do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
   entry_SYSCALL_64_after_hwframe+0x49/0xbe


stack backtrace:
CPU: 0 PID: 9806 Comm: syz-executor.0 Not tainted 5.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 print_bad_irq_dependency kernel/locking/lockdep.c:2094 [inline]
 check_irq_usage.cold+0x586/0x6fe kernel/locking/lockdep.c:2292
 check_prev_add kernel/locking/lockdep.c:2479 [inline]
 check_prevs_add kernel/locking/lockdep.c:2580 [inline]
 validate_chain kernel/locking/lockdep.c:2970 [inline]
 __lock_acquire+0x25b4/0x4a00 kernel/locking/lockdep.c:3954
 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484
 _raw_spin_lock_nested+0x35/0x50 kernel/locking/spinlock.c:361
 bond_get_stats+0x12c/0x520 drivers/net/bonding/bond_main.c:3585
 dev_get_stats+0x8e/0x280 net/core/dev.c:9694
 rtnl_fill_stats+0x4d/0xac0 net/core/rtnetlink.c:1192
 rtnl_fill_ifinfo+0x1107/0x3be0 net/core/rtnetlink.c:1734
 rtmsg_ifinfo_build_skb+0xcd/0x1a0 net/core/rtnetlink.c:3685
 rtmsg_ifinfo_event.part.0+0x43/0xe0 net/core/rtnetlink.c:3717
 rtmsg_ifinfo_event net/core/rtnetlink.c:3728 [inline]
 rtmsg_ifinfo+0x8d/0xa0 net/core/rtnetlink.c:3726
 __dev_notify_flags+0x235/0x2c0 net/core/dev.c:8175
 __dev_set_promiscuity+0x1a1/0x220 net/core/dev.c:7951
 dev_set_promiscuity+0x57/0xe0 net/core/dev.c:7971
 macsec_dev_change_rx_flags+0x14a/0x180 drivers/net/macsec.c:3238
 dev_change_rx_flags net/core/dev.c:7904 [inline]
 __dev_set_promiscuity.cold+0x2d3/0x343 net/core/dev.c:7948
 __dev_set_rx_mode+0x23b/0x320 net/core/dev.c:8053
 dev_uc_add+0xb1/0xc0 net/core/dev_addr_lists.c:592
 macsec_dev_open+0xd5/0x470 drivers/net/macsec.c:3151
 __dev_open+0x25a/0x3f0 net/core/dev.c:1436
 __dev_change_flags+0x55f/0x6d0 net/core/dev.c:8141
 rtnl_configure_link+0xf3/0x250 net/core/rtnetlink.c:3001
 __rtnl_newlink+0x10c6/0x1790 net/core/rtnetlink.c:3337
 rtnl_newlink+0x69/0xa0 net/core/rtnetlink.c:3377
 rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5436
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5454
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:672
 ____sys_sendmsg+0x753/0x880 net/socket.c:2343
 ___sys_sendmsg+0x100/0x170 net/socket.c:2397
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2430
 __do_sys_sendmsg net/socket.c:2439 [inline]
 __se_sys_sendmsg net/socket.c:2437 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c449
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f32949f3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f32949f46d4 RCX: 000000000045c449
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009d4 R14: 00000000004cc501 R15: 000000000076bf2c
syz-executor.0 (9806) used greatest stack depth: 22520 bytes left

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/02/21 05:08 net-old 0d5b8d705565 bd2a74a3 .config console log report syz ci-upstream-net-this-kasan-gce
2020/02/21 04:21 net-old 0d5b8d705565 bd2a74a3 .config console log report ci-upstream-net-this-kasan-gce
* Struck through repros no longer work on HEAD.