wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) INFO: task syz-executor.3:27187 blocked for more than 140 seconds. Not tainted 4.19.201-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D29168 27187 8122 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_timeout+0x92d/0xfe0 kernel/time/timer.c:1794 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:115 crypto_wait_req include/linux/crypto.h:517 [inline] _aead_recvmsg crypto/algif_aead.c:314 [inline] aead_recvmsg+0x1386/0x1890 crypto/algif_aead.c:335 ___sys_recvmsg+0x255/0x570 net/socket.c:2387 __sys_recvmmsg+0x254/0x6d0 net/socket.c:2499 do_sys_recvmmsg+0x172/0x190 net/socket.c:2575 __do_sys_recvmmsg net/socket.c:2593 [inline] __se_sys_recvmmsg net/socket.c:2589 [inline] __x64_sys_recvmmsg+0xba/0x150 net/socket.c:2589 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 Code: Bad RIP value. RSP: 002b:00007f2a48183188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000002 RSI: 0000000020002fc0 RDI: 0000000000000004 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffe49c9c7df R14: 00007f2a48183300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 00000000e8614244 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7751: #0: 00000000f13ba016 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 4 locks held by kworker/u4:10/9905: #0: 00000000169ee625 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline] #0: 00000000169ee625 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 00000000e8614244 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000e8614244 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 #2: 000000002af17798 (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:977 [inline] #2: 000000002af17798 (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675 #3: 00000000e8614244 (rcu_read_lock){....}, at: sdata_assert_lock net/mac80211/ieee80211_i.h:994 [inline] #3: 00000000e8614244 (rcu_read_lock){....}, at: ieee80211_sta_active_ibss+0x86/0x350 net/mac80211/ibss.c:668 2 locks held by agetty/15490: #0: 000000000e03a904 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000dac6465e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 1 lock held by syz-executor.3/27187: #0: 000000002272f1f0 (sk_lock-AF_ALG){+.+.}, at: lock_sock include/net/sock.h:1510 [inline] #0: 000000002272f1f0 (sk_lock-AF_ALG){+.+.}, at: aead_recvmsg+0xc1/0x1890 crypto/algif_aead.c:333 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.201-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 55 Comm: kworker/u4:4 Not tainted 4.19.201-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:match_held_lock kernel/locking/lockdep.c:3477 [inline] RIP: 0010:find_held_lock+0x3f/0x210 kernel/locking/lockdep.c:3521 Code: 48 8d 04 80 55 4c 8d a4 c7 88 08 00 00 53 89 d3 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 b8 01 00 00 4d 3b 7c 24 10 0f 84 20 01 00 00 49 8d 7c 24 22 RSP: 0018:ffff8880b51efbc8 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffff8880b51efc38 RDX: 1ffff11016a2d92d RSI: ffffffff89f85f60 RDI: ffff8880b516c968 RBP: ffffffff89f85f60 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b516c958 R13: 0000000000000002 R14: ffff8880b51efc38 R15: ffffffff89f85f60 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3436cb000 CR3: 00000000aa993000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_release kernel/locking/lockdep.c:3677 [inline] lock_release+0x246/0x8b0 kernel/locking/lockdep.c:3927 rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x66c/0xd50 net/batman-adv/network-coding.c:730 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415