IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not 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
BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1844
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
in_atomic(): 0, irqs_disabled(): 0, pid: 22, name: kworker/u4:1
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
4 locks held by kworker/u4:1/22:
 #0:  ("%s"wiphy_name(local->hw.wiphy)){+.+.}, at: [<ffffffff81373610>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
 #1:  ((&sdata->work)){+.+.}, at: [<ffffffff81373646>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (&wdev->mtx){+.+.}, at: [<ffffffff86d20792>] sdata_lock net/mac80211/ieee80211_i.h:986 [inline]
 #2:  (&wdev->mtx){+.+.}, at: [<ffffffff86d20792>] ieee80211_ibss_work+0x72/0xc90 net/mac80211/ibss.c:1675
 #3:  (rcu_read_lock){....}, at: [<ffffffff86ce4afd>] sta_info_insert_finish net/mac80211/sta_info.c:553 [inline]
 #3:  (rcu_read_lock){....}, at: [<ffffffff86ce4afd>] sta_info_insert_rcu+0x48d/0x1f40 net/mac80211/sta_info.c:634
Preemption disabled at:
[<ffffffff81488060>] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1185 [inline]
[<ffffffff81488060>] rcu_lockdep_current_cpu_online+0x30/0x140 kernel/rcu/tree.c:1177
CPU: 0 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.208-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy10 ieee80211_iface_work
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6042
 sta_info_move_state+0x32/0x930 net/mac80211/sta_info.c:1844
 sta_info_free+0x50/0x330 net/mac80211/sta_info.c:260
 sta_info_insert_rcu+0x23c/0x1f40 net/mac80211/sta_info.c:640
 ieee80211_ibss_finish_sta+0x1db/0x2b0 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x260/0xc90 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x690/0x770 net/mac80211/iface.c:1383
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
gfs2: not a GFS2 filesystem
[U] 
[U] 
gfs2: not a GFS2 filesystem
audit: type=1804 audit(1606145636.685:11): pid=9627 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir782129142/syzkaller.fJoVKS/6/bus" dev="sda1" ino=15771 res=1
[U] 
[U] 
gfs2: not a GFS2 filesystem
[U] 
[U] 
gfs2: not a GFS2 filesystem
[U] 
FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop5): error, fat_get_cluster: invalid cluster chain (i_pos 1)
input: syz1 as /devices/virtual/input/input5
FAT-fs (loop5): Filesystem has been set read-only
input: syz1 as /devices/virtual/input/input6
[U] 
BTRFS: device fsid 05f3dc6f-78ad-47d2-bbc1-25707524c592 devid 1 transid 7 /dev/loop3
BTRFS error (device loop3): unsupported checksum algorithm 3
BTRFS error (device loop3): superblock checksum mismatch
BTRFS error (device loop3): open_ctree failed
BTRFS error (device loop3): unsupported checksum algorithm 3
BTRFS error (device loop3): superblock checksum mismatch
BTRFS error (device loop3): open_ctree failed
input: syz1 as /devices/virtual/input/input7
FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop5): error, fat_get_cluster: invalid cluster chain (i_pos 1)
FAT-fs (loop5): Filesystem has been set read-only
input: syz1 as /devices/virtual/input/input8
input: syz1 as /devices/virtual/input/input9
syz-executor.4 uses obsolete (PF_INET,SOCK_PACKET)
FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
EXT4-fs warning (device sda1): verify_group_input:131: Cannot add at group 4294965899 (only 16 groups)
FAT-fs (loop5): error, fat_get_cluster: invalid cluster chain (i_pos 1)
FAT-fs (loop5): Filesystem has been set read-only
: renamed from syzkaller1
FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop5): error, fat_get_cluster: invalid cluster chain (i_pos 1)
FAT-fs (loop5): Filesystem has been set read-only
EXT4-fs warning (device sda1): verify_group_input:131: Cannot add at group 4294965899 (only 16 groups)
: renamed from syzkaller1
EXT4-fs warning (device sda1): verify_group_input:131: Cannot add at group 4294965899 (only 16 groups)
EXT4-fs warning (device sda1): verify_group_input:131: Cannot add at group 4294965899 (only 16 groups)
: renamed from syzkaller1
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
overlayfs: fs on './file0' does not support file handles, falling back to index=off.
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): re-mounted. Opts: 
: renamed from syzkaller1
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
EXT4-fs (loop2): re-mounted. Opts: 
overlayfs: failed to resolve './file0': -2
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): re-mounted. Opts: 
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): re-mounted. Opts: 
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): re-mounted. Opts: 
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): re-mounted. Opts: 
VFS: unable to find oldfs superblock on device loop2