Bluetooth: hci9: command 0x041b tx timeout Bluetooth: hci8: command 0x040f tx timeout Bluetooth: hci9: command 0x040f tx timeout Bluetooth: hci8: command 0x0419 tx timeout Bluetooth: hci9: command 0x0419 tx timeout INFO: task syz-executor.1:23246 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 D25112 23246 18247 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: 0033:0x7f6abd4305a9 Code: Bad RIP value. RSP: 002b:00007f6abbd83168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f6abd552050 RCX: 00007f6abd4305a9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000008 RBP: 00007f6abd48b580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000800100020018 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd8b93064f R14: 00007f6abbd83300 R15: 0000000000022000 INFO: task syz-executor.2:23251 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 D25136 23251 11322 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: 0033:0x7fc3b49915a9 Code: Bad RIP value. RSP: 002b:00007fc3b32e4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fc3b4ab3050 RCX: 00007fc3b49915a9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000008 RBP: 00007fc3b49ec580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000800100020018 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe183b5b0f R14: 00007fc3b32e4300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 0000000024072575 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7800: #0: 000000002797f204 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/13380: #0: 000000003eced26f (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 000000007fbffccb (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 1 lock held by syz-executor.1/23246: #0: 000000009113b9b7 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 000000009113b9b7 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 1 lock held by syz-executor.2/23251: #0: 0000000056105a68 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 0000000056105a68 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 1 lock held by syz-executor.1/23778: #0: 00000000bd51549b (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 00000000bd51549b (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 1 lock held by syz-executor.2/23823: #0: 000000002b90c360 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 000000002b90c360 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 1 lock held by syz-executor.1/24262: #0: 00000000f0f41153 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 00000000f0f41153 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 1 lock held by syz-executor.2/24365: #0: 000000006795adcc (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 000000006795adcc (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1571 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: 4694 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:kasan_mem_to_shadow include/linux/kasan.h:29 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:211 [inline] RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline] RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline] RIP: 0010:check_memory_region+0x41/0x170 mm/kasan/kasan.c:267 Code: 48 39 c7 0f 86 20 01 00 00 4c 8d 54 37 ff 41 54 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 55 48 89 fd 49 c1 e9 03 48 c1 ed 03 53 <49> 01 c1 48 01 c5 49 8d 59 01 48 89 e8 48 89 da 48 29 ea 48 83 fa RSP: 0018:ffff8880a0dbfe08 EFLAGS: 00000a02 RAX: dffffc0000000000 RBX: ffff8880a0c82600 RCX: ffffffff814003c3 RDX: 0000000000000000 RSI: 00000000000000b8 RDI: ffff8880a11cfa00 RBP: 1ffff11014239f40 R08: 0000000000000000 R09: 1ffff11014239f56 R10: ffff8880a11cfab7 R11: 000000005412b962 R12: 00000000000000b8 R13: ffff8880a11cfa00 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fbc7bbea8c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbc78fb1000 CR3: 00000000a12b6000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: memcpy+0x20/0x50 mm/kasan/kasan.c:302 memcpy include/linux/string.h:377 [inline] prepare_creds+0x83/0x510 kernel/cred.c:262 do_faccessat+0x94/0x7a0 fs/open.c:359 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fbc7aea59c7 Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffe2fe43738 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007ffe2fe46760 RCX: 00007fbc7aea59c7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055a8e44d79a3 RBP: 00007ffe2fe43880 R08: 000055a8e44cd3e5 R09: 0000000000000018 R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 000055a8e49428a0 R15: 00007ffe2fe43d70