bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on b74c49a6af84e6ab50018024e8862263b1e0bd6d
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67 with gcc (GCC) 8.4.1 20210217
kernel signature: 0b88a43ffdd64dd710788b5f47096ab6df7ff3638bd2deea0b19304fe5eda97a
all runs: crashed: WARNING in sta_info_insert_rcu
testing current HEAD cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694 with gcc (GCC) 8.4.1 20210217
kernel signature: f668fc5e5f10e1b356280024d5a002795605fbc55be0a335db60bc471d1c4683
all runs: crashed: WARNING in sta_info_insert_rcu
revisions tested: 2, total time: 26m56.362998429s (build: 19m50.292121875s, test: 6m42.101134959s)
the crash still happens on HEAD
commit msg: Linux 4.14.231
crash: WARNING in sta_info_insert_rcu
IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d52720c0 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881d5272108
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdb4cb2dbc CR3: 0000000007e6a004 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce16d ]---
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
------------[ cut here ]------------
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dd63ca40 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881dd63ca88
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdb4cb2dbc CR3: 0000000007e6a005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce16e ]---
------------[ cut here ]------------
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
CPU: 0 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dd6389c0 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881dd638a08
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95ccffb000 CR3: 0000000007e6a005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 
batman_adv: batadv0: Interface activated: batadv_slave_0
07 83 c0 01 40 38 f0 7c 09 40 84 
f6 
0f 85 38 14 00 00 66 45 33 a5 cc 
10 00 00 45 0f b7 e4 41 09 cc 74 08 83 
e2 01 89 55 b0 74 6a <0f> 0b 41 bc 
ea ff ff ff 48 89 de 4c 89 f7 
e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce16f ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ddad4940 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881ddad4988
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95ccffb000 CR3: 0000000007e6a005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce170 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ddad08c0 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881ddad0908
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95ccffb000 CR3: 0000000007e6a005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 
8b 
---[ end trace 50a78648fccce171 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dca14840 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881dca14888
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95cd009000 CR3: 0000000007e6a005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce172 ]---
device veth0_macvtap entered promiscuous mode
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881df83e7c0 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881df83e808
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95cd009000 CR3: 0000000007e6a005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce173 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
device veth1_macvtap entered promiscuous mode
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881df83a740 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881df83a788
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95cd009000 CR3: 0000000007e6a005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce174 ]---
------------[ cut here ]------------
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dc8d66c0 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881dc8d6708
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005151b0 CR3: 0000000007e6a005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce175 ]---
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dc8d2640 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881dc8d2688
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000055c000 CR3: 0000000007e6a005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
batman_adv: batadv0: Interface activated: batadv_slave_0
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce176 ]---
------------[ cut here ]------------
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
Modules linked in:
CPU: 1 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
Workqueue: phy2 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dc6eee00 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RAX: 0000000000000005 RBX: ffff8881dc4565c0 RCX: 00000000bd63276f
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881dc456608
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881dc6eee48
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000055c000 CR3: 0000000007e6a005 CR4: 00000000001606f0
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
CR2: 000055f17fa47140 CR3: 0000000007e6a001 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
07 
Code: 
83 
07 
c0 
83 
01 
c0 01 
40 
40 
38 f0 
38 
7c 
f0 
09 
7c 
40 
09 
84 
40 
f6 
84 
0f 
f6 
85 
0f 
38 
85 
14 
38 
00 
14 
00 
00 
66 
00 
45 
66 
33 
45 
a5 
33 
cc 
a5 
10 
cc 
00 00 
10 
45 
00 00 
0f 
45 
b7 
0f 
e4 
b7 
41 
e4 
09 
41 
cc 
09 
74 
cc 
08 
74 
83 
08 
e2 
83 
01 
e2 
89 
01 
55 
89 
b0 
55 
74 
b0 
6a 
74 
<0f> 
6a 
0b 
<0f> 
41 
0b 
bc 
41 bc 
ea 
ea 
ff 
ff 
ff 
ff 
ff 
ff 
48 
48 
89 
89 
de 
de 
4c 
4c 
89 
89 
f7 
f7 
e8 
e8 
27 
27 
fb 
fb 
ff 
ff 
ff 
ff 
48 
48 
8b 
8b 
---[ end trace 50a78648fccce177 ]---
---[ end trace 50a78648fccce178 ]---
IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
Modules linked in:
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
------------[ cut here ]------------
CPU: 1 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Modules linked in:
Workqueue: phy2 ieee80211_iface_work
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Workqueue: phy3 ieee80211_iface_work
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RAX: 0000000000000005 RBX: ffff8881cdd3ea40 RCX: 00000000bd63276f
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
RAX: 0000000000000005 RBX: ffff8881ce9be180 RCX: 00000000bd63276f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881cdd3ea88
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f17fa516b8 CR3: 0000000007e6a002 CR4: 00000000001606e0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce9be1c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Call Trace:
CR2: 000055f17fa47140 CR3: 0000000007e6a006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 kthread+0x338/0x400 kernel/kthread.c:232
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 
07 
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
83 
Code: 
c0 
07 
01 
83 
40 
c0 
38 
01 
f0 
40 
7c 
38 
09 
f0 
40 
7c 
84 
09 
f6 
40 
0f 
84 
85 
f6 
38 
0f 
14 
85 
00 
38 
00 
14 
66 
00 
45 
00 
33 
66 
a5 
45 
cc 
33 a5 
10 00 
cc 
00 
10 
45 
00 
0f b7 
00 
e4 
45 
41 
0f 
09 cc 
b7 
74 
e4 
08 
41 
83 
09 
e2 
cc 
01 
74 
89 
08 
55 
83 
b0 
e2 
74 
01 
6a 
89 
<0f> 
55 
0b 
b0 
41 
74 
bc 
6a 
ea 
<0f> 
ff 
0b 
ff 
41 
ff 
bc 
48 
ea 
89 
ff 
de 
ff ff 
4c 
48 
89 
89 
f7 
de 
e8 
4c 
27 
89 
fb 
f7 
ff 
e8 
ff 
27 
48 
fb 
8b 
ff 
ff 
---[ end trace 50a78648fccce179 ]---
48 8b 
---[ end trace 50a78648fccce17a ]---
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ce9ba100 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce9ba148
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f17fa47140 CR3: 0000000007e6a006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce17b ]---
------------[ cut here ]------------
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ce9b6080 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce9b60c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde65260000 CR3: 0000000007e6a006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff 
batman_adv: batadv0: Interface activated: batadv_slave_1
ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce17c ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
RAX: 0000000000000005 RBX: ffff8881ce9b2000 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce9b2048
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000055c000 CR3: 0000000007e6a006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 
14 00 00 66 45 33 a5 cc 10 00 00 45 
0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 
b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce17d ]---
------------[ cut here ]------------
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ce9aee80 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce9aeec8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000055c000 CR3: 0000000007e6a006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 
07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce17e ]---
------------[ cut here ]------------
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ce9aae00 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce9aae48
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000055c000 CR3: 0000000007e6a006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 
00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce17f ]---
------------[ cut here ]------------
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ce9a6d80 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce9a6dc8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde58034098 CR3: 0000000007e6a002 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce180 ]---
------------[ cut here ]------------
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ce9a0d00 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce9a0d48
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95cd0b8000 CR3: 0000000007e6a002 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
batman_adv: batadv0: Interface activated: batadv_slave_1
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 
4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce181 ]---
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ce99cc80 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce99ccc8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f17fa47140 CR3: 0000000007e6a003 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 
07 
83 c0 01 40 38 f0 7c 09 40 84 f6 
0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce182 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ce998c00 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce998c48
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f17fa47140 CR3: 0000000007e6a004 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 07 83 c0 01 40 38 f0 7c 09 40 84 f6 0f 85 38 14 00 00 66 45 
33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 
83 e2 01 89 55 b0 74 6a <0f> 0b 41 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce183 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881ce994b80 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce994bc8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005151b0 CR3: 0000000007e6a006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 
------------[ cut here ]------------
07 
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
83 
c0 
CPU: 1 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
01 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
40 
38 
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
f0 
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
7c 
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
09 
RAX: 0000000000000005 RBX: ffff8881cdd3a9c0 RCX: 00000000bd63276f
40 
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
84 
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
f6 
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
0f 
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881cdd3aa08
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
85 
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95cd0ca000 CR3: 0000000007e6a001 CR4: 00000000001606e0
38 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
14 
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
00 
Call Trace:
00 
66 
45 
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
33 
a5 
cc 
10 
00 
00 
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
45 
0f 
b7 
e4 
41 
09 
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
cc 
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
74 
08 
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
83 
 kthread+0x338/0x400 kernel/kthread.c:232
e2 
01 
89 
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
55 
Code: 
b0 
07 
74 
83 
6a 
c0 
<0f> 
01 
0b 
40 
41 
38 
bc 
f0 
ea 
7c 
ff 
09 
ff 
40 
ff 
84 
48 
f6 
89 
0f 
de 
85 
4c 
38 
89 
14 
f7 
00 
e8 
00 
27 
66 
fb 
45 
ff 
33 
ff 
a5 
48 
cc 
8b 
10 
00 
---[ end trace 50a78648fccce184 ]---
00 
45 
------------[ cut here ]------------
0f 
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
b7 
Modules linked in:
e4 
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
41 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
09 
cc 
task: ffff8881d79da280 task.stack: ffff8881d05e8000
74 
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
08 
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
83 
e2 
RAX: 0000000000000005 RBX: ffff8881ce990b00 RCX: 00000000bd63276f
01 
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
89 
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
55 
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce990b48
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
b0 
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000055c000 CR3: 0000000007e6a006 CR4: 00000000001606f0
74 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
6a 
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<0f> 
Call Trace:
0b 
41 
bc 
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
ea 
ff 
ff 
ff 
48 
89 
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
de 
4c 
89 
f7 
e8 
27 
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
fb 
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
ff 
ff 
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
48 
 kthread+0x338/0x400 kernel/kthread.c:232
8b 
---[ end trace 50a78648fccce185 ]---
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
Code: 
------------[ cut here ]------------
07 
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
83 
Modules linked in:
c0 
01 
CPU: 1 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
40 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
38 
Workqueue: phy2 ieee80211_iface_work
f0 
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
7c 
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
09 
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
40 
RAX: 0000000000000005 RBX: ffff8881cdd36940 RCX: 00000000bd63276f
84 
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
f6 
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
0f 
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
85 
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881cdd36988
38 
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
14 
CR2: 00007f95cd0db008 CR3: 0000000007e6a002 CR4: 00000000001606e0
00 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
00 
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
66 
Call Trace:
45 
33 
a5 
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
cc 
10 
00 
00 
45 
0f 
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
b7 
e4 
41 
09 
cc 
74 
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
08 
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
83 
e2 01 
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
89 
 kthread+0x338/0x400 kernel/kthread.c:232
55 
b0 
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
74 
Code: 
6a 
07 
<0f> 
83 
0b 
c0 
41 
01 
bc 
40 
ea 
38 
ff 
f0 
ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 50a78648fccce186 ]---
7c 
------------[ cut here ]------------
09 
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
40 
Modules linked in:
84 
f6 
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
0f 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
85 
Workqueue: phy3 ieee80211_iface_work
38 
14 00 
task: ffff8881d79da280 task.stack: ffff8881d05e8000
00 
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
66 
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
45 
33 
RAX: 0000000000000005 RBX: ffff8881ce98ca80 RCX: 00000000bd63276f
a5 
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
cc 10 
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
00 
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
00 
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce98cac8
45 
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
0f b7 
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
e4 
CR2: 000000000055c000 CR3: 0000000007e6a006 CR4: 00000000001606f0
41 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
09 
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
cc 
74 
08 
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
83 
e2 
01 
89 
55 
b0 
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
74 
6a 
<0f> 
0b 
41 
bc 
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
ea 
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
ff 
ff 
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
ff 
 kthread+0x338/0x400 kernel/kthread.c:232
48 
89 de 
4c 
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
89 
Code: 
f7 
07 
e8 
83 
27 
c0 
fb 
01 
ff 
40 
ff 
38 
48 
f0 
8b 
7c 
09 
---[ end trace 50a78648fccce187 ]---
40 
------------[ cut here ]------------
84 
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
f6 
Modules linked in:
0f 
CPU: 1 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
85 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
38 
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
14 
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
00 
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
00 
66 
RAX: 0000000000000005 RBX: ffff8881cdd328c0 RCX: 00000000bd63276f
45 33 
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
a5 cc 
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
10 
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881cdd32908
00 
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
00 
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
45 
CR2: 00007f95cd0ed000 CR3: 0000000007e6a002 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
0f 
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
b7 
e4 
41 
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
09 
cc 
74 
08 
83 
e2 
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
01 
89 
55 
b0 
74 
6a 
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
<0f> 
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
0b 
41 
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
bc 
 kthread+0x338/0x400 kernel/kthread.c:232
ea 
ff 
ff 
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
ff 
Code: 
48 
07 
89 
83 
de 
c0 
4c 
01 
89 
40 
f7 
38 
e8 
f0 
27 
7c 
fb 
09 
ff 
40 
ff 
84 
48 
f6 
8b 
0f 
85 
---[ end trace 50a78648fccce188 ]---
38 
------------[ cut here ]------------
14 
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
00 
Modules linked in:
00 
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
66 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
45 33 
Workqueue: phy3 ieee80211_iface_work
a5 
cc 
task: ffff8881d79da280 task.stack: ffff8881d05e8000
10 
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
00 
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
00 
RAX: 0000000000000005 RBX: ffff8881ce988a00 RCX: 00000000bd63276f
45 
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
0f 
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
b7 
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
e4 
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce988a48
41 
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
09 
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
cc 
CR2: 00007ffc8b77de00 CR3: 0000000007e6a006 CR4: 00000000001606f0
74 08 
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
83 
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
e2 
Call Trace:
01 
89 
55 
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
b0 
74 
6a 
<0f> 
0b 
41 bc 
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
ea 
ff 
ff 
ff 
48 
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
89 
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
de 
4c 
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
89 
 kthread+0x338/0x400 kernel/kthread.c:232
f7 
e8 
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
27 
Code: 
fb 
07 
ff 
83 
ff 
c0 
48 
01 
8b 
40 
38 
---[ end trace 50a78648fccce189 ]---
f0 
7c 
09 40 84 f6 0f 85 38 14 00 00 66 45 33 a5 cc 10 00 00 45 0f b7 e4 41 09 cc 74 08 83 e2 01 89 55 b0 74 6a 
<0f> 0b 41 bc ea ff ff ff 48 89 
de 4c 89 f7 e8 27 fb ff 
ff 48 8b 
---[ end trace 50a78648fccce18a ]---
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
------------[ cut here ]------------
------------[ cut here ]------------
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7167 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
Modules linked in:
CPU: 1 PID: 22 Comm: kworker/u4:1 Tainted: G        W       4.14.231-syzkaller #0
CPU: 0 PID: 7167 Comm: kworker/u4:6 Tainted: G        W       4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
Workqueue: phy2 ieee80211_iface_work
task: ffff8881d79da280 task.stack: ffff8881d05e8000
task: ffff8881f4dd25c0 task.stack: ffff8881f4dd8000
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
RIP: 0010:sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
RSP: 0018:ffff8881f4ddfa98 EFLAGS: 00010202
RSP: 0018:ffff8881d05efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881c7474040 RCX: 00000000bd63276f
RAX: 0000000000000005 RBX: ffff8881ce982980 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d710654c
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d743a50c
RBP: ffff8881d05efb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881d05efa88 R11: ffff8881d79da280 R12: 00000000bd63377f
RBP: ffff8881f4ddfb58 R08: 0000000000005bd4 R09: ffffffff895696a0
R10: ffff8881f4ddfa88 R11: ffff8881f4dd25c0 R12: 00000000bd63377f
R13: ffff8881d7105480 R14: ffff8881da1c18a0 R15: ffff8881ce9829c8
R13: ffff8881d7439440 R14: ffff8881ce0f9820 R15: ffff8881c7474088
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95cd102000 CR3: 0000000007e6a002 CR4: 00000000001606e0
CR2: 000055f17fa47140 CR3: 0000000007e6a002 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_ibss_work+0x252/0xd80 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 ieee80211_iface_work+0x4a6/0x690 net/mac80211/iface.c:1383
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 
Code: 
07 
07 
83 
83 
c0 
c0 
01 
01 
40 
40 
38