8021q: adding VLAN 0 to HW filter on device team0
bond0: Enslaving team0 as an active interface with an up link
netlink: 'syz-executor.0': attribute type 10 has an invalid length.
8021q: adding VLAN 0 to HW filter on device team0
======================================================
WARNING: possible circular locking dependency detected
4.19.211-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.0/5448 is trying to acquire lock:
00000000651d568e (&vlan_netdev_addr_lock_key#2/2){+...}, at: netif_addr_lock_nested include/linux/netdevice.h:4007 [inline]
00000000651d568e (&vlan_netdev_addr_lock_key#2/2){+...}, at: dev_uc_sync_multiple+0x11a/0x1e0 net/core/dev_addr_lists.c:574

but task is already holding lock:
00000000aeeba7ef (&dev_addr_list_lock_key#2/1){+...}, at: netif_addr_lock_nested include/linux/netdevice.h:4007 [inline]
00000000aeeba7ef (&dev_addr_list_lock_key#2/1){+...}, at: dev_mc_sync_multiple+0x11a/0x1e0 net/core/dev_addr_lists.c:795

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&dev_addr_list_lock_key#2/1){+...}:
       netif_addr_lock_nested include/linux/netdevice.h:4007 [inline]
       dev_mc_sync+0x11a/0x1e0 net/core/dev_addr_lists.c:765
       vlan_dev_set_rx_mode+0x38/0x80 net/8021q/vlan_dev.c:488
       __dev_set_rx_mode+0x1d9/0x2f0 net/core/dev.c:7601
       dev_set_rx_mode net/core/dev.c:7607 [inline]
       __dev_open+0x26c/0x3a0 net/core/dev.c:1410
       __dev_change_flags+0x501/0x660 net/core/dev.c:7679
       dev_change_flags+0x7e/0x140 net/core/dev.c:7748
       vlan_device_event+0x1429/0x1e40 net/8021q/vlan.c:463
       notifier_call_chain+0xc0/0x230 kernel/notifier.c:93
       call_netdevice_notifiers net/core/dev.c:1762 [inline]
       __dev_notify_flags+0x110/0x2b0 net/core/dev.c:7717
       dev_change_flags+0xf0/0x140 net/core/dev.c:7753
       do_setlink+0x14f1/0x3540 net/core/rtnetlink.c:2449
       rtnl_group_changelink net/core/rtnetlink.c:2925 [inline]
       rtnl_newlink+0xbc9/0x15c0 net/core/rtnetlink.c:3083
       rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782
       netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
       netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
       netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
       netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
       sock_sendmsg_nosec net/socket.c:651 [inline]
       sock_sendmsg+0xc3/0x120 net/socket.c:661
       ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
       __sys_sendmsg net/socket.c:2265 [inline]
       __do_sys_sendmsg net/socket.c:2274 [inline]
       __se_sys_sendmsg net/socket.c:2272 [inline]
       __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
       do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #0 (&vlan_netdev_addr_lock_key#2/2){+...}:
       _raw_spin_lock_nested+0x30/0x40 kernel/locking/spinlock.c:354
       netif_addr_lock_nested include/linux/netdevice.h:4007 [inline]
       dev_uc_sync_multiple+0x11a/0x1e0 net/core/dev_addr_lists.c:574
       team_set_rx_mode+0xce/0x230 drivers/net/team/team.c:1788
       __dev_set_rx_mode+0x1d9/0x2f0 net/core/dev.c:7601
       dev_mc_sync_multiple+0x193/0x1e0 net/core/dev_addr_lists.c:798
       bond_enslave+0x3d38/0x5250 drivers/net/bonding/bond_main.c:1767
       do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2321
       do_setlink+0x7ec/0x3540 net/core/rtnetlink.c:2455
       rtnl_newlink+0xda9/0x15c0 net/core/rtnetlink.c:3077
       rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782
       netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
       netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
       netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
       netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
       sock_sendmsg_nosec net/socket.c:651 [inline]
       sock_sendmsg+0xc3/0x120 net/socket.c:661
       ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
       __sys_sendmsg net/socket.c:2265 [inline]
       __do_sys_sendmsg net/socket.c:2274 [inline]
       __se_sys_sendmsg net/socket.c:2272 [inline]
       __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
       do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&dev_addr_list_lock_key#2/1);
                               lock(&vlan_netdev_addr_lock_key#2/2);
                               lock(&dev_addr_list_lock_key#2/1);
  lock(&vlan_netdev_addr_lock_key#2/2);

 *** DEADLOCK ***

4 locks held by syz-executor.0/5448:
 #0: 00000000dabff89c (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
 #0: 00000000dabff89c (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779
 #1: 000000001dcc932c (&dev_addr_list_lock_key){+...}, at: spin_lock_bh include/linux/spinlock.h:334 [inline]
 #1: 000000001dcc932c (&dev_addr_list_lock_key){+...}, at: netif_addr_lock_bh include/linux/netdevice.h:4012 [inline]
 #1: 000000001dcc932c (&dev_addr_list_lock_key){+...}, at: bond_enslave+0x3d2d/0x5250 drivers/net/bonding/bond_main.c:1766
 #2: 00000000aeeba7ef (&dev_addr_list_lock_key#2/1){+...}, at: netif_addr_lock_nested include/linux/netdevice.h:4007 [inline]
 #2: 00000000aeeba7ef (&dev_addr_list_lock_key#2/1){+...}, at: dev_mc_sync_multiple+0x11a/0x1e0 net/core/dev_addr_lists.c:795
 #3: 000000007ef9ff0c (rcu_read_lock){....}, at: team_set_rx_mode+0x0/0x230 drivers/net/team/team.c:509

stack backtrace:
CPU: 0 PID: 5448 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222
 check_prev_add kernel/locking/lockdep.c:1866 [inline]
 check_prevs_add kernel/locking/lockdep.c:1979 [inline]
 validate_chain kernel/locking/lockdep.c:2420 [inline]
 __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
 _raw_spin_lock_nested+0x30/0x40 kernel/locking/spinlock.c:354
 netif_addr_lock_nested include/linux/netdevice.h:4007 [inline]
 dev_uc_sync_multiple+0x11a/0x1e0 net/core/dev_addr_lists.c:574
 team_set_rx_mode+0xce/0x230 drivers/net/team/team.c:1788
 __dev_set_rx_mode+0x1d9/0x2f0 net/core/dev.c:7601
 dev_mc_sync_multiple+0x193/0x1e0 net/core/dev_addr_lists.c:798
 bond_enslave+0x3d38/0x5250 drivers/net/bonding/bond_main.c:1767
 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2321
 do_setlink+0x7ec/0x3540 net/core/rtnetlink.c:2455
 rtnl_newlink+0xda9/0x15c0 net/core/rtnetlink.c:3077
 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8ec3ec4279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8ec2839168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8ec3fd6f80 RCX: 00007f8ec3ec4279
RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000000000003
RBP: 00007f8ec3f1e189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff26573ef R14: 00007f8ec2839300 R15: 0000000000022000
bond0: Enslaving team0 as an active interface with an up link
netlink: 'syz-executor.5': attribute type 10 has an invalid length.
bond0: Releasing backup interface team0
bridge0: port 3(team0) entered blocking state
bridge0: port 3(team0) entered disabled state
device team0 entered promiscuous mode
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
netlink: 'syz-executor.0': attribute type 10 has an invalid length.
bond0: Releasing backup interface team0
bridge0: port 3(team0) entered blocking state
bridge0: port 3(team0) entered disabled state
device team0 entered promiscuous mode
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device vlan2 entered promiscuous mode
device batadv0 entered promiscuous mode
base_sock_release(00000000a8a934d0) sk=000000009fbcdec9
base_sock_release(0000000098d287ff) sk=00000000d46e465d
base_sock_release(00000000bee51bf8) sk=000000005237a5a9
nla_parse: 37 callbacks suppressed
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 10 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
base_sock_release(00000000eec07ffa) sk=00000000e0e247b3
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Removing interface: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
batman_adv: batadv0: Removing interface: batadv_slave_1
device team0 left promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge0: port 4(team0) entered disabled state
device batadv0 left promiscuous mode
bridge0: port 3(batadv0) entered disabled state
device bridge_slave_1 left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
device bridge_slave_0 left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
device veth1_macvtap left promiscuous mode
device veth0_macvtap left promiscuous mode
device veth1_vlan left promiscuous mode
device veth0_vlan left promiscuous mode
bond15 (unregistering): Released all slaves
bond14 (unregistering): Released all slaves
bond13 (unregistering): Released all slaves
can: notifier: receive list not found for dev dvmrp1
bond0 (unregistering): Releasing backup interface bridge1
bond12 (unregistering): Released all slaves
bond11 (unregistering): Released all slaves
bond10 (unregistering): Released all slaves
bond9 (unregistering): Released all slaves
bond8 (unregistering): Released all slaves
bond7 (unregistering): Released all slaves
bond6 (unregistering): Released all slaves
bond5 (unregistering): Released all slaves
bond4 (unregistering): Released all slaves
bond3 (unregistering): Released all slaves
bond2 (unregistering): Released all slaves
bond1 (unregistering): Released all slaves
device hsr_slave_1 left promiscuous mode
device hsr_slave_0 left promiscuous mode
team0 (unregistering): Port device team_slave_1 removed
team0 (unregistering): Port device team_slave_0 removed
bond0 (unregistering): Releasing backup interface bond_slave_1
bond0 (unregistering): Releasing backup interface bond_slave_0
bond0 (unregistering): Released all slaves
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 6032 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc_node mm/slab.c:3304 [inline]
 kmem_cache_alloc_node+0x245/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1197 [inline]
 netlink_sendmsg+0x9f6/0xc50 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fa0074bd279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa005e32168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0075cff80 RCX: 00007fa0074bd279
RDX: 0000000000000000 RSI: 0000000020005000 RDI: 0000000000000003
RBP: 00007fa005e321d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdaa2daacf R14: 00007fa005e32300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 6050 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc_node mm/slab.c:3304 [inline]
 kmem_cache_alloc_node_trace+0x244/0x3b0 mm/slab.c:3666
 __do_kmalloc_node mm/slab.c:3688 [inline]
 __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703
 __kmalloc_reserve net/core/skbuff.c:137 [inline]
 __alloc_skb+0xae/0x560 net/core/skbuff.c:205
 alloc_skb include/linux/skbuff.h:995 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1197 [inline]
 netlink_sendmsg+0x9f6/0xc50 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fa0074bd279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa005e32168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0075cff80 RCX: 00007fa0074bd279
RDX: 0000000000000000 RSI: 0000000020005000 RDI: 0000000000000003
RBP: 00007fa005e321d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdaa2daacf R14: 00007fa005e32300 R15: 0000000000022000
nla_parse: 167 callbacks suppressed
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 56 bytes leftover after parsing attributes in process `syz-executor.3'.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
netlink: 22 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 6077 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
netlink: 56 bytes leftover after parsing attributes in process `syz-executor.3'.
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.3'.
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293
 __netlink_deliver_tap_skb net/netlink/af_netlink.c:296 [inline]
 __netlink_deliver_tap net/netlink/af_netlink.c:321 [inline]
 netlink_deliver_tap+0x955/0xb00 net/netlink/af_netlink.c:334
 netlink_deliver_tap_kernel net/netlink/af_netlink.c:343 [inline]
 netlink_unicast_kernel net/netlink/af_netlink.c:1324 [inline]
 netlink_unicast+0x545/0x690 net/netlink/af_netlink.c:1351
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
netlink: 56 bytes leftover after parsing attributes in process `syz-executor.3'.
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fa0074bd279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa005e32168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0075cff80 RCX: 00007fa0074bd279
RDX: 0000000000000000 RSI: 0000000020005000 RDI: 0000000000000003
RBP: 00007fa005e321d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdaa2daacf R14: 00007fa005e32300 R15: 0000000000022000
CPU: 1 PID: 6079 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc_node mm/slab.c:3304 [inline]
 kmem_cache_alloc_node+0x245/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1197 [inline]
 netlink_sendmsg+0x9f6/0xc50 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8ec3ec4279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8ec2839168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8ec3fd6f80 RCX: 00007f8ec3ec4279
RDX: 0000000000000000 RSI: 0000000020005000 RDI: 0000000000000003
RBP: 00007f8ec28391d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffff26573ef R14: 00007f8ec2839300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 6106 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc_node mm/slab.c:3304 [inline]
 kmem_cache_alloc_node_trace+0x244/0x3b0 mm/slab.c:3666
 __do_kmalloc_node mm/slab.c:3688 [inline]
 __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703
 __kmalloc_reserve net/core/skbuff.c:137 [inline]
 __alloc_skb+0xae/0x560 net/core/skbuff.c:205
 alloc_skb include/linux/skbuff.h:995 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1197 [inline]
 netlink_sendmsg+0x9f6/0xc50 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8ec3ec4279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8ec2839168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8ec3fd6f80 RCX: 00007f8ec3ec4279
RDX: 0000000000000000 RSI: 0000000020005000 RDI: 0000000000000003
RBP: 00007f8ec28391d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffff26573ef R14: 00007f8ec2839300 R15: 0000000000022000
CPU: 1 PID: 6107 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x2ab/0x3c0 mm/slab.c:3736
 kmalloc include/linux/slab.h:520 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 tcf_idr_create+0x5b/0x5e0 net/sched/act_api.c:361
 tcf_skbmod_init+0x54b/0xd30 net/sched/act_skbmod.c:149
 tcf_action_init_1+0xa06/0xcd0 net/sched/act_api.c:870
 tcf_action_init+0x26e/0x3b0 net/sched/act_api.c:936
 tcf_action_add+0xd9/0x360 net/sched/act_api.c:1317
 tc_ctl_action+0x327/0x410 net/sched/act_api.c:1372
 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fa0074bd279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa005e32168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0075cff80 RCX: 00007fa0074bd279
RDX: 0000000000000000 RSI: 0000000020005000 RDI: 0000000000000003
RBP: 00007fa005e321d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdaa2daacf R14: 00007fa005e32300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 6121 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293
 __netlink_deliver_tap_skb net/netlink/af_netlink.c:296 [inline]
 __netlink_deliver_tap net/netlink/af_netlink.c:321 [inline]
 netlink_deliver_tap+0x955/0xb00 net/netlink/af_netlink.c:334
 netlink_deliver_tap_kernel net/netlink/af_netlink.c:343 [inline]
 netlink_unicast_kernel net/netlink/af_netlink.c:1324 [inline]
 netlink_unicast+0x545/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8ec3ec4279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8ec2839168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8ec3fd6f80 RCX: 00007f8ec3ec4279
RDX: 0000000000000000 RSI: 0000000020005000 RDI: 0000000000000003
RBP: 00007f8ec28391d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffff26573ef R14: 00007f8ec2839300 R15: 0000000000022000
CPU: 1 PID: 6128 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc_trace+0x284/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 tcf_skbmod_init+0x5be/0xd30 net/sched/act_skbmod.c:164
 tcf_action_init_1+0xa06/0xcd0 net/sched/act_api.c:870
 tcf_action_init+0x26e/0x3b0 net/sched/act_api.c:936
 tcf_action_add+0xd9/0x360 net/sched/act_api.c:1317
 tc_ctl_action+0x327/0x410 net/sched/act_api.c:1372
 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fa0074bd279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa005e32168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0075cff80 RCX: 00007fa0074bd279
RDX: 0000000000000000 RSI: 0000000020005000 RDI: 0000000000000003
RBP: 00007fa005e321d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdaa2daacf R14: 00007fa005e32300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 6141 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc_node mm/slab.c:3304 [inline]
 kmem_cache_alloc_node+0x245/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 tcf_add_notify net/sched/act_api.c:1289 [inline]
 tcf_action_add+0x198/0x360 net/sched/act_api.c:1325
 tc_ctl_action+0x327/0x410 net/sched/act_api.c:1372
 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fa0074bd279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa005e32168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0075cff80 RCX: 00007fa0074bd279
RDX: 0000000000000000 RSI: 0000000020005000 RDI: 0000000000000003
RBP: 00007fa005e321d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdaa2daacf R14: 00007fa005e32300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 6148 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0xf lib/fault-inject.c:149
 __should_failslab+0x115/0x180 mm/failslab.c:32
 should_failslab+0x5/0x10 mm/slab_common.c:1590
 slab_pre_alloc_hook mm/slab.h:424 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 __do_kmalloc mm/slab.c:3725 [inline]
 __kmalloc+0x2ab/0x3c0 mm/slab.c:3736
 kmalloc include/linux/slab.h:520 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 tcf_idr_create+0x5b/0x5e0 net/sched/act_api.c:361
 tcf_skbmod_init+0x54b/0xd30 net/sched/act_skbmod.c:149
 tcf_action_init_1+0xa06/0xcd0 net/sched/act_api.c:870
 tcf_action_init+0x26e/0x3b0 net/sched/act_api.c:936
 tcf_action_add+0xd9/0x360 net/sched/act_api.c:1317
 tc_ctl_action+0x327/0x410 net/sched/act_api.c:1372
 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782