wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1850 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready in_atomic(): 0, irqs_disabled(): 0, pid: 7, name: kworker/u4:0 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 4 locks held by kworker/u4:0/7: wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 #0: 0000000050a9d41d ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready #1: 000000005223f26a ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 #2: 00000000d8f9d177 (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:990 [inline] #2: 00000000d8f9d177 (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready hrtimer: interrupt took 43880 ns #3: 000000009986e0dc (rcu_read_lock){....}, at: sta_info_insert_finish net/mac80211/sta_info.c:573 [inline] #3: 000000009986e0dc (rcu_read_lock){....}, at: sta_info_insert_rcu+0x48e/0x2310 net/mac80211/sta_info.c:661 Preemption disabled at: [] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1076 [inline] [] rcu_lockdep_current_cpu_online+0x32/0x1b0 kernel/rcu/tree.c:1068 CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.159-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy5 ieee80211_iface_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2fe lib/dump_stack.c:118 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6196 sta_info_move_state+0x32/0x900 net/mac80211/sta_info.c:1850 sta_info_free+0x55/0x390 net/mac80211/sta_info.c:260 sta_info_insert_rcu+0x517/0x2310 net/mac80211/sta_info.c:667 ieee80211_ibss_finish_sta+0x25b/0x360 net/mac80211/ibss.c:601 ieee80211_ibss_work+0x2b6/0xe10 net/mac80211/ibss.c:1692 ieee80211_iface_work+0x7ba/0x8a0 net/mac80211/iface.c:1366 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 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 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 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 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 o2cb: This node has not been configured. o2cb: Cluster check failed. Fix errors before retrying. (syz-executor.2,9661,1):user_dlm_register:681 ERROR: status = -22 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready (syz-executor.2,9661,1):dlmfs_mkdir:497 ERROR: Error -22 could not register domain "file0" IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready o2cb: This node has not been configured. o2cb: Cluster check failed. Fix errors before retrying. (syz-executor.2,9661,1):user_dlm_register:681 ERROR: status = -22 (syz-executor.2,9661,1):dlmfs_mkdir:497 ERROR: Error -22 could not register domain "file0" MINIX-fs: mounting unchecked file system, running fsck is recommended netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. syz-executor.0 (9712) used greatest stack depth: 23592 bytes left netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. EXT4-fs (loop2): mounting ext2 file system using the ext4 subsystem EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. ********************************************************** ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ** ** netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. ** trace_printk() being used. Allocating extra memory. ** ** ** ** This means that this is a DEBUG kernel and it is ** ** unsafe for production use. ** ** ** ** If you see this message and you are not debugging ** ** the kernel, report this immediately to your vendor! ** ** ** ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ********************************************************** netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "dont_measure" 9pnet: Could not find request transport: fNӍ:_0x0000000000000003 9pnet: Could not find request transport: fNӍ:_0x0000000000000003 REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "dont_measure" overlayfs: unrecognized mount option "gorkdir=" or missing value overlayfs: unrecognized mount option "gorkdir=" or missing value IPVS: sync thread started: state = BACKUP, mcast_ifn = gre0, syncid = 0, id = 0 IPVS: ftp: loaded support on port[0] = 21 IPVS: sync thread started: state = BACKUP, mcast_ifn = gre0, syncid = 0, id = 0 IPVS: ftp: loaded support on port[0] = 21 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 52 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 52 bytes leftover after parsing attributes in process `syz-executor.1'. nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. netlink: 'syz-executor.1': attribute type 1 has an invalid length. netlink: 4600 bytes leftover after parsing attributes in process `syz-executor.1'. IPVS: ftp: loaded support on port[0] = 21 syz-executor.1 (10069) used greatest stack depth: 23512 bytes left audit: type=1804 audit(1606122394.263:2): pid=10120 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir919444973/syzkaller.kZBasj/8/bus" dev="sda1" ino=15824 res=1