Bluetooth: hci9: command 0x0409 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.1:21017 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D29456 21017 8162 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_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ipv6_route_ioctl+0x21a/0x2f0 net/ipv6/route.c:3725 inet6_ioctl+0x104/0x1b0 net/ipv6/af_inet6.c:559 sock_do_ioctl+0xce/0x300 net/socket.c:1015 sock_ioctl+0x2ef/0x5d0 net/socket.c:1135 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f61065c80c9 Code: Bad RIP value. RSP: 002b:00007f6104b3a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f61066e7f80 RCX: 00007f61065c80c9 RDX: 00000000200001c0 RSI: 000000000000890b RDI: 0000000000000004 RBP: 00007f6106623ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7edc4a7f R14: 00007f6104b3a300 R15: 0000000000022000 INFO: task syz-executor.1:21025 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D29456 21025 8162 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_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ipv6_route_ioctl+0x21a/0x2f0 net/ipv6/route.c:3725 inet6_ioctl+0x104/0x1b0 net/ipv6/af_inet6.c:559 sock_do_ioctl+0xce/0x300 net/socket.c:1015 sock_ioctl+0x2ef/0x5d0 net/socket.c:1135 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f61065c80c9 Code: Bad RIP value. RSP: 002b:00007f6104b19168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f61066e8050 RCX: 00007f61065c80c9 RDX: 00000000200001c0 RSI: 000000000000890b RDI: 0000000000000005 RBP: 00007f6106623ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7edc4a7f R14: 00007f6104b19300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000004ed72124 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 4 locks held by kworker/u4:4/2889: 1 lock held by systemd-journal/4683: 1 lock held by systemd-udevd/4699: 2 locks held by in:imklog/7814: 1 lock held by syz-fuzzer/8117: 3 locks held by syz-fuzzer/8190: 4 locks held by kworker/u4:0/8250: #0: 00000000c406f6bf ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000000586938d ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000002502422e (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:977 [inline] #2: 000000002502422e (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675 #3: 00000000afa741c4 (&local->sta_mtx){+.+.}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1261 [inline] #3: 00000000afa741c4 (&local->sta_mtx){+.+.}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1297 [inline] #3: 00000000afa741c4 (&local->sta_mtx){+.+.}, at: ieee80211_ibss_work+0x8d3/0xe10 net/mac80211/ibss.c:1703 2 locks held by syz-executor.3/1089: #0: 0000000002b00bed (&sb->s_type->i_mutex_key#13){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 0000000002b00bed (&sb->s_type->i_mutex_key#13){+.+.}, at: __sock_release+0x86/0x2a0 net/socket.c:598 #1: 0000000008684e3d (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #1: 0000000008684e3d (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667 1 lock held by syz-executor.3/1125: #0: 000000004e889f3b (&sb->s_type->i_mutex_key#13){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 000000004e889f3b (&sb->s_type->i_mutex_key#13){+.+.}, at: __sock_release+0x86/0x2a0 net/socket.c:598 1 lock held by syz-executor.4/9145: #0: 0000000016ba35ac (&sb->s_type->i_mutex_key#13){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 0000000016ba35ac (&sb->s_type->i_mutex_key#13){+.+.}, at: __sock_release+0x86/0x2a0 net/socket.c:598 1 lock held by syz-executor.4/9163: #0: 00000000f9238933 (&sb->s_type->i_mutex_key#13){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000f9238933 (&sb->s_type->i_mutex_key#13){+.+.}, at: __sock_release+0x86/0x2a0 net/socket.c:598 1 lock held by syz-executor.4/9269: #0: 00000000832f7d96 (&sb->s_type->i_mutex_key#13){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000832f7d96 (&sb->s_type->i_mutex_key#13){+.+.}, at: __sock_release+0x86/0x2a0 net/socket.c:598 2 locks held by kworker/0:5/15978: 4 locks held by syz-executor.2/20094: #0: 00000000887de6d4 (&hdev->req_lock){+.+.}, at: hci_dev_do_close+0x122/0x1020 net/bluetooth/hci_core.c:1629 #1: 000000002894aac9 (&hdev->lock){+.+.}, at: hci_dev_do_close+0x343/0x1020 net/bluetooth/hci_core.c:1674 #2: 00000000d4288b4b (hci_cb_list_lock){+.+.}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1260 [inline] #2: 00000000d4288b4b (hci_cb_list_lock){+.+.}, at: hci_conn_hash_flush+0xda/0x260 net/bluetooth/hci_conn.c:1512 #3: 0000000008684e3d (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #3: 0000000008684e3d (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667 2 locks held by syz-executor.3/21012: 1 lock held by syz-executor.1/21017: #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: ipv6_route_ioctl+0x21a/0x2f0 net/ipv6/route.c:3725 1 lock held by syz-executor.1/21025: #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: ipv6_route_ioctl+0x21a/0x2f0 net/ipv6/route.c:3725 2 locks held by syz-executor.4/21014: 2 locks held by syz-executor.5/21033: #0: 000000005802fae5 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: gtp_net_exit+0x1ba/0x380 drivers/net/gtp.c:1360 1 lock held by syz-executor.3/21041: #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 4 locks held by kworker/u5:0/21046: #0: 000000003e916877 ((wq_completion)"%s"hdev->name#2){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000002bf35fe ((work_completion)(&hdev->rx_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000e4331124 (&hdev->lock){+.+.}, at: hci_remote_features_evt net/bluetooth/hci_event.c:2976 [inline] #2: 00000000e4331124 (&hdev->lock){+.+.}, at: hci_event_packet+0x2a9d/0x7e20 net/bluetooth/hci_event.c:5853 #3: 00000000d4288b4b (hci_cb_list_lock){+.+.}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1245 [inline] #3: 00000000d4288b4b (hci_cb_list_lock){+.+.}, at: hci_remote_features_evt net/bluetooth/hci_event.c:3009 [inline] #3: 00000000d4288b4b (hci_cb_list_lock){+.+.}, at: hci_event_packet+0x5c8b/0x7e20 net/bluetooth/hci_event.c:5853 1 lock held by syz-executor.5/21051: #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 2 locks held by syz-executor.4/21057: 1 lock held by syz-executor.2/21061: #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.1/21069: #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000f2d7fd3f (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 4 locks held by kworker/u5:2/21074: #0: 000000002f3e1bed ((wq_completion)"%s"hdev->name#2){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000337558bc ((work_completion)(&hdev->rx_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000026ce6186 (&hdev->lock){+.+.}, at: hci_remote_features_evt net/bluetooth/hci_event.c:2976 [inline] #2: 0000000026ce6186 (&hdev->lock){+.+.}, at: hci_event_packet+0x2a9d/0x7e20 net/bluetooth/hci_event.c:5853 #3: 00000000d4288b4b (hci_cb_list_lock){+.+.}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1245 [inline] #3: 00000000d4288b4b (hci_cb_list_lock){+.+.}, at: hci_remote_features_evt net/bluetooth/hci_event.c:3009 [inline] #3: 00000000d4288b4b (hci_cb_list_lock){+.+.}, at: hci_event_packet+0x5c8b/0x7e20 net/bluetooth/hci_event.c:5853 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 15978 Comm: kworker/0:5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: events iterate_cleanup_work RIP: 0010:should_fail_alloc_page mm/page_alloc.c:3078 [inline] RIP: 0010:prepare_alloc_pages mm/page_alloc.c:4346 [inline] RIP: 0010:__alloc_pages_nodemask+0x1df/0x2890 mm/page_alloc.c:4393 Code: ff ff 44 89 f7 e8 c1 30 ff ff 44 89 f0 25 00 00 20 00 89 85 54 fe ff ff 0f 85 ad 03 00 00 8b 85 94 fe ff ff 3b 05 cd ff 7f 08 <0f> 82 05 01 00 00 8b 85 84 fe ff ff f6 c4 08 0f 85 f6 00 00 00 80 RSP: 0018:ffff8880ba007a08 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000e8e8 RDX: 0000000000000000 RSI: 00000000000c4220 RDI: ffff888094496124 RBP: ffff8880ba007c20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: 00000000000c4220 R14: 00000000000c4220 R15: ffff88823b33a540 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8225ccac3 CR3: 000000009c3bd000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682 cache_alloc_refill+0x273/0x340 mm/slab.c:3049 ____cache_alloc mm/slab.c:3132 [inline] slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0x39e/0x3b0 mm/slab.c:3647 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336 do_softirq kernel/softirq.c:328 [inline] __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189 local_bh_enable include/linux/bottom_half.h:32 [inline] get_next_corpse net/netfilter/nf_conntrack_core.c:1907 [inline] nf_ct_iterate_cleanup+0x239/0x520 net/netfilter/nf_conntrack_core.c:1930 nf_ct_iterate_cleanup_net net/netfilter/nf_conntrack_core.c:2015 [inline] nf_ct_iterate_cleanup_net+0x113/0x170 net/netfilter/nf_conntrack_core.c:2000 iterate_cleanup_work+0x43/0xd0 net/ipv6/netfilter/nf_nat_masquerade_ipv6.c:113 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