wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) Bluetooth: hci1: command 0x0406 tx timeout wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) INFO: task syz-executor.2:30274 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.2 D26064 30274 8129 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] tls_do_encryption net/tls/tls_sw.c:193 [inline] tls_push_record+0xec4/0x1370 net/tls/tls_sw.c:228 tls_sw_sendpage+0x8c6/0xd00 net/tls/tls_sw.c:585 inet_sendpage+0x164/0x650 net/ipv4/af_inet.c:815 kernel_sendpage net/socket.c:3585 [inline] sock_sendpage+0xdf/0x140 net/socket.c:912 pipe_to_sendpage+0x268/0x330 fs/splice.c:452 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x389/0x800 fs/splice.c:627 splice_from_pipe fs/splice.c:662 [inline] generic_splice_sendpage+0xd4/0x140 fs/splice.c:833 do_splice_from fs/splice.c:852 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1025 splice_direct_to_actor+0x33f/0x8d0 fs/splice.c:980 do_splice_direct+0x1a7/0x270 fs/splice.c:1068 do_sendfile+0x550/0xc30 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fea895ce5a9 Code: Bad RIP value. RSP: 002b:00007fea87f21168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fea896f0050 RCX: 00007fea895ce5a9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000008 RBP: 00007fea89629580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000800100022007 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0af98edf R14: 00007fea87f21300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000a42da8ad (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7810: #0: 0000000010e6cec4 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by rs:main Q:Reg/7813: #0: 00000000a318091f (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 #1: 000000007352ee22 (sb_writers#3){.+.+}, at: file_start_write include/linux/fs.h:2779 [inline] #1: 000000007352ee22 (sb_writers#3){.+.+}, at: vfs_write+0x463/0x540 fs/read_write.c:548 1 lock held by syz-executor.2/30274: #0: 0000000003112345 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 0000000003112345 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 1 lock held by syz-executor.2/31455: #0: 00000000aa5e5df6 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 00000000aa5e5df6 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 1 lock held by syz-executor.0/31515: #0: 0000000069436f65 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 0000000069436f65 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 1 lock held by syz-executor.2/31798: #0: 00000000657e6189 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 00000000657e6189 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 ============================================= 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 09/22/2022 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: 4677 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:__sbitmap_for_each_set include/linux/sbitmap.h:254 [inline] RIP: 0010:sbitmap_for_each_set include/linux/sbitmap.h:292 [inline] RIP: 0010:bt_for_each+0xff/0x410 block/blk-mq-tag.c:252 Code: 41 10 48 8d 78 08 48 89 44 24 10 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 f8 02 00 00 48 8b 4c 24 10 8b 74 24 34 48 8b 41 08 <41> 29 f4 41 39 c4 41 0f 42 c4 01 c6 89 44 24 30 48 89 c8 48 c1 e8 RSP: 0018:ffff8880ba0077a8 EFLAGS: 00000046 RAX: 0000000000000040 RBX: 0000000000000d00 RCX: ffff8880ad8e5100 RDX: 0000000000010000 RSI: 0000000000000d00 RDI: ffff8880ad8e5108 RBP: ffff8880aed89710 R08: 0000000000000000 R09: 0000000000002000 R10: 0000000000000004 R11: ffffffff8c66501b R12: 0000000000002000 R13: ffff8880abd09240 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f5b4ec308c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5b4a86f000 CR3: 00000000a1bcb000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: blk_mq_queue_tag_busy_iter+0x25d/0x5e0 block/blk-mq-tag.c:343 blk_mq_in_flight+0xdd/0x130 block/blk-mq.c:115 part_in_flight+0x57/0x2d0 block/genhd.c:72 part_round_stats+0x236/0x300 block/blk-core.c:1731 blk_account_io_done block/blk-core.c:2755 [inline] blk_account_io_done+0x49d/0x9d0 block/blk-core.c:2738 __blk_mq_end_request block/blk-mq.c:529 [inline] blk_mq_end_request+0xb9/0x340 block/blk-mq.c:546 blk_flush_complete_seq+0x566/0x11d0 block/blk-flush.c:208 flush_end_io+0x65d/0xb70 block/blk-flush.c:269 __blk_mq_end_request+0xea/0x2e0 block/blk-mq.c:533 scsi_end_request+0x36f/0xb60 drivers/scsi/scsi_lib.c:706 scsi_io_completion+0x852/0x17c0 drivers/scsi/scsi_lib.c:1103 scsi_softirq_done+0x336/0x3d0 drivers/scsi/scsi_lib.c:1759 __blk_mq_complete_request block/blk-mq.c:583 [inline] blk_mq_complete_request+0x472/0x660 block/blk-mq.c:620 virtscsi_vq_done drivers/scsi/virtio_scsi.c:223 [inline] virtscsi_req_done+0x14b/0x210 drivers/scsi/virtio_scsi.c:238 vring_interrupt+0x12f/0x220 drivers/virtio/virtio_ring.c:953 __handle_irq_event_percpu+0x27e/0x8e0 kernel/irq/handle.c:149 handle_irq_event_percpu kernel/irq/handle.c:189 [inline] handle_irq_event+0x102/0x290 kernel/irq/handle.c:206 handle_edge_irq+0x260/0xcf0 kernel/irq/chip.c:800 generic_handle_irq_desc include/linux/irqdesc.h:155 [inline] handle_irq+0x35/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x93/0x1c0 arch/x86/kernel/irq.c:246 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:670 RIP: 0010:___bpf_prog_run+0x78/0x4e80 kernel/bpf/core.c:1065 Code: 03 83 e2 07 0f b6 04 18 38 d0 7f 08 84 c0 0f 85 f7 38 00 00 45 0f b6 3e 4a 8d 3c fd 60 b4 6f 88 4c 89 fe 48 89 f8 48 c1 e8 03 <80> 3c 18 00 0f 85 c7 38 00 00 43 ff 24 fc e8 45 4e f6 ff 49 8d 7e RSP: 0018:ffff8880a1af7a30 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffffd9 RAX: 1ffffffff10df738 RBX: dffffc0000000000 RCX: 1ffff1101435ef60 RDX: 0000000000000000 RSI: 00000000000000ac RDI: ffffffff886fb9c0 RBP: ffff8880a1af7b00 R08: 0000000000000000 R09: 000000007fff0000 R10: 0000000000000004 R11: 0000000000000000 R12: ffffffff886fb460 R13: ffffed101435ef62 R14: ffffc90001a91040 R15: 00000000000000ac