bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on b74c49a6af84e6ab50018024e8862263b1e0bd6d
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67 with gcc (GCC) 8.4.1 20210217
kernel signature: b1aa463d2fb1df9bf56d137a09b4a64faaf4cbaffb3d7fb22f9bd16d153e46a8
all runs: crashed: WARNING in sta_info_insert_rcu
testing current HEAD 670d6552eda8ff0c5f396d3d6f0174237917c66c
testing commit 670d6552eda8ff0c5f396d3d6f0174237917c66c with gcc (GCC) 8.4.1 20210217
kernel signature: 50ca88582383f2802d05413425791fe670300426c1d7b8d1841ed6decce11acd
all runs: crashed: WARNING in sta_info_insert_rcu
revisions tested: 2, total time: 21m31.696295772s (build: 15m1.208815741s, test: 6m6.383086487s)
the crash still happens on HEAD
commit msg: Linux 4.14.227
crash: WARNING in sta_info_insert_rcu
device veth0_macvtap entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 1 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
device veth1_macvtap entered promiscuous mode
Modules linked in:
CPU: 1 PID: 2336 Comm: kworker/u4:3 Not tainted 4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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
IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready
RSP: 0018:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881e6d1a280 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881e6d1a2c8
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bbcd7f000 CR3: 0000000007e6a002 CR4: 00000000001606e0
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
IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready
 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
IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
 kthread+0x338/0x400 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
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 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
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 2ee66ac6d424b8ef ]---
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
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
batman_adv: batadv0: Interface activated: batadv_slave_0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dd26e200 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881dd26e248
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bbcd86010 CR3: 0000000007e6a006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
device veth1_macvtap entered promiscuous mode
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 2ee66ac6d424b8f0 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dd26a180 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881dd26a1c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bbcd86010 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
IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready
 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 2ee66ac6d424b8f1 ]---
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dd3d6100 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881dd3d6148
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005151b0 CR3: 0000000007e6a001 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 2ee66ac6d424b8f2 ]---
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881dd3d0080 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881dd3d00c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005151b0 CR3: 0000000007e6a001 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 2ee66ac6d424b8f3 ]---
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
Modules linked in:
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
CPU: 0 PID: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881e9226800 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881e9226848
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe9af57c40 CR3: 0000000007e6a001 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 2ee66ac6d424b8f4 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881e9222780 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881e92227c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a0187fb140 CR3: 0000000007e6a001 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
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 kthread+0x338/0x400 kernel/kthread.c:232
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes 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 2ee66ac6d424b8f5 ]---
------------[ 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: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
CPU: 0 PID: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881e8e76700 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881e8e76748
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a0187fb140 CR3: 0000000007e6a001 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
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
Call Trace:
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
 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
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 bc ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 2ee66ac6d424b8f6 ]---
------------[ 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: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881e8e70680 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881e8e706c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a0187fb140 CR3: 0000000007e6a001 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
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
 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
batman_adv: batadv0: Interface activated: batadv_slave_1
 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 2ee66ac6d424b8f7 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881e8cac600 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881e8cac648
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a0187fb140 CR3: 0000000007e6a001 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 2ee66ac6d424b8f8 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881e8ca8580 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881e8ca85c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005151b0 CR3: 0000000007e6a003 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 2ee66ac6d424b8f9 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d2fa8d80 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d2fa8dc8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000055c000 CR3: 0000000007e6a003 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 2ee66ac6d424b8fa ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d2f4cd00 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d2f4cd48
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000055c000 CR3: 0000000007e6a003 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
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
 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 2ee66ac6d424b8fb ]---
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d2f48c80 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d2f48cc8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005151b0 CR3: 0000000007e6a003 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready
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
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
 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 2ee66ac6d424b8fc ]---
------------[ cut here ]------------
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d2f6cc00 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d2f6cc48
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a0187fb140 CR3: 0000000007e6a003 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 ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 2ee66ac6d424b8fd ]---
------------[ cut here ]------------
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d74f8880 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d74f88c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a0187fb140 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 2ee66ac6d424b8fe ]---
------------[ cut here ]------------
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d74f4800 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d74f4848
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a0187fb140 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
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
 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 
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
7c 
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready
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 2ee66ac6d424b8ff ]---
------------[ cut here ]------------
batman_adv: batadv0: Interface activated: batadv_slave_0
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d74f0780 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d74f07c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a0187fb140 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 2ee66ac6d424b900 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881cdd7c700 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881cdd7c748
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:
 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 2ee66ac6d424b901 ]---
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
Modules linked in:
CPU: 0 PID: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881cdd76680 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881cdd766c8
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:
 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 2ee66ac6d424b902 ]---
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
CPU: 0 PID: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881cdd72600 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881cdd72648
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:
 ieee80211_ibss_finish_sta+0x1c4/0x280 net/mac80211/ibss.c:601
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
 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 
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
09 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
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 2ee66ac6d424b903 ]---
------------[ cut here ]------------
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
Workqueue: phy2 ieee80211_iface_work
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d734e580 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d734e5c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffef804a000 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 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
8b 
---[ end trace 2ee66ac6d424b904 ]---
------------[ cut here ]------------
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
WARNING: CPU: 0 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 2336 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: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d734a500 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d734a548
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563e3eccdea0 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
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
 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 
batman_adv: batadv0: Interface activated: batadv_slave_1
ea ff ff ff 48 89 de 4c 89 f7 e8 27 fb ff ff 48 8b 
---[ end trace 2ee66ac6d424b905 ]---
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
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
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 1 PID: 2336 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
CPU: 1 PID: 2336 Comm: kworker/u4:3 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
task: ffff8881ea4e2340 task.stack: ffff8881ea4e8000
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:ffff8881ea4efa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881d060c100 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d8f4f8cc
RBP: ffff8881ea4efb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881ea4efa88 R11: ffff8881ea4e2340 R12: 00000000bd63377f
R13: ffff8881d8f4e800 R14: ffff8881d93b97e0 R15: ffff8881d060c148
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a01764f0e8 CR3: 0000000007e6a001 CR4: 00000000001606e0
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 2ee66ac6d424b906 ]---
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7280 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7280 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: 7280 Comm: kworker/u4:7 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
task: ffff8881ee35c4c0 task.stack: ffff8881d0578000
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:ffff8881d057fa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881e8ea0800 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d717a54c
RBP: ffff8881d057fb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881d057fa88 R11: ffff8881ee35c4c0 R12: 00000000bd63377f
R13: ffff8881d7179480 R14: ffff8881de2898e0 R15: ffff8881e8ea0848
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc06b5d4ef0 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 2ee66ac6d424b907 ]---
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7280 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7280 at net/mac80211/sta_info.c:482 sta_info_insert_rcu+0x1b6/0x1d90 net/mac80211/sta_info.c:627
Modules linked in:
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
CPU: 0 PID: 7280 Comm: kworker/u4:7 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
task: ffff8881ee35c4c0 task.stack: ffff8881d0578000
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:ffff8881d057fa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881c8efa080 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d717a54c
RBP: ffff8881d057fb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881d057fa88 R11: ffff8881ee35c4c0 R12: 00000000bd63377f
R13: ffff8881d7179480 R14: ffff8881de2898e0 R15: ffff8881c8efa0c8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000539038 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 2ee66ac6d424b908 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7280 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7280 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: 7280 Comm: kworker/u4:7 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
task: ffff8881ee35c4c0 task.stack: ffff8881d0578000
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:ffff8881d057fa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881c8ef6000 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d717a54c
RBP: ffff8881d057fb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881d057fa88 R11: ffff8881ee35c4c0 R12: 00000000bd63377f
R13: ffff8881d7179480 R14: ffff8881de2898e0 R15: ffff8881c8ef6048
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000539038 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 2ee66ac6d424b909 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7280 at net/mac80211/sta_info.c:482 sta_info_insert_check net/mac80211/sta_info.c:481 [inline]
WARNING: CPU: 0 PID: 7280 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: 7280 Comm: kworker/u4:7 Tainted: G        W       4.14.227-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
task: ffff8881ee35c4c0 task.stack: ffff8881d0578000
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:ffff8881d057fa98 EFLAGS: 00010202
RAX: 0000000000000005 RBX: ffff8881c8ef2e80 RCX: 00000000bd63276f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881d717a54c
RBP: ffff8881d057fb58 R08: 0000000000003d9f R09: ffffffff895574f8
R10: ffff8881d057fa88 R11: ffff8881ee35c4c0 R12: 00000000bd63377f
R13: ffff8881d7179480 R14: ffff8881de2898e0 R15: ffff8881c8ef2ec8
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000539038 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: 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