Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.5:12012 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.5 D28648 12012 8141 0x80000004 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 exit_mm kernel/exit.c:512 [inline] do_exit+0x6e4/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0a7ea51f7 Code: Bad RIP value. RSP: 002b:00007ffeb1528388 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: fffffffffffffffc RBX: 0000000000021000 RCX: 00007ff0a7ea51f7 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007ff0a6714000 RBP: 00007ffeb1528460 R08: 00000000ffffffff R09: 00007ff0a6733700 R10: 0000000000020022 R11: 0000000000000206 R12: 00007ffeb1528580 R13: 00007ff0a6733700 R14: 0000000000000000 R15: 0000000000022000 INFO: task syz-executor.5:12014 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.5 D27400 12014 8141 0x80000004 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 exit_mm kernel/exit.c:512 [inline] do_exit+0x6e4/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0a7ea50e9 Code: Bad RIP value. RSP: 002b:00007ff0a681a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007ff0a7fb7f68 RCX: 00007ff0a7ea50e9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff0a7fb7f68 RBP: 00007ff0a7fb7f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff0a7fb7f6c R13: 00007ffeb15283ef R14: 00007ff0a681a300 R15: 0000000000022000 INFO: task syz-executor.5:12017 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.5 D28864 12017 8141 0x80000004 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 exit_mm kernel/exit.c:512 [inline] do_exit+0x6e4/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0a7ea50e9 Code: Bad RIP value. RSP: 002b:00007ff0a67d8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007ff0a7fb8108 RCX: 00007ff0a7ea50e9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff0a7fb8108 RBP: 00007ff0a7fb8100 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff0a7fb810c R13: 00007ffeb15283ef R14: 00007ff0a67d8300 R15: 0000000000022000 INFO: task syz-executor.5:12018 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.5 D30224 12018 8141 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 __do_page_fault+0x97f/0xd60 arch/x86/mm/fault.c:1348 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:39 [inline] RIP: 0010:strncpy_from_user+0x1ea/0x350 lib/strncpy_from_user.c:119 Code: 03 da fd 48 83 ed 08 bf 07 00 00 00 48 83 c3 08 48 89 ee e8 98 04 da fd 48 83 fd 07 0f 86 29 01 00 00 e8 f9 02 da fd 45 31 ff <4d> 8b 64 1d 00 31 ff 44 89 fe e8 57 04 da fd 45 85 ff 0f 84 61 ff RSP: 0018:ffff8880a17afdf0 EFLAGS: 00050246 RAX: ffff8880a324c5c0 RBX: 0000000000000000 RCX: ffffffff838881e4 RDX: 0000000000000000 RSI: ffffffff83888277 RDI: 0000000000000007 RBP: 0000000000000fe0 R08: 0000000000000fe0 R09: 0000000000000007 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000fe0 R13: 0000000000000000 R14: ffff8880a0ab8420 R15: 0000000000000000 getname_flags+0x113/0x590 fs/namei.c:151 getname fs/namei.c:211 [inline] user_path_create fs/namei.c:3696 [inline] do_mkdirat+0x8d/0x2d0 fs/namei.c:3834 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0a7ea50e9 Code: Bad RIP value. RSP: 002b:00007ff0a67b7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007ff0a7fb81d0 RCX: 00007ff0a7ea50e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffff9c RBP: 00007ff0a7eff08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb15283ef R14: 00007ff0a67b7300 R15: 0000000000022000 INFO: task syz-executor.5:12019 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.5 D29080 12019 8141 0x80000004 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 exit_mm kernel/exit.c:512 [inline] do_exit+0x6e4/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0a7ea50e9 Code: Bad RIP value. RSP: 002b:00007ff0a6796218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007ff0a7fb82a8 RCX: 00007ff0a7ea50e9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff0a7fb82a8 RBP: 00007ff0a7fb82a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff0a7fb82ac R13: 00007ffeb15283ef R14: 00007ff0a6796300 R15: 0000000000022000 INFO: task syz-executor.5:12020 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.5 D29744 12020 8141 0x80000004 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 exit_mm kernel/exit.c:512 [inline] do_exit+0x6e4/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0a7ea50e9 Code: Bad RIP value. RSP: 002b:00007ff0a6775218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007ff0a7fb8378 RCX: 00007ff0a7ea50e9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff0a7fb8378 RBP: 00007ff0a7fb8370 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff0a7fb837c R13: 00007ffeb15283ef R14: 00007ff0a6775300 R15: 0000000000022000 INFO: task syz-executor.5:12021 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.5 D30752 12021 8141 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 __do_page_fault+0x97f/0xd60 arch/x86/mm/fault.c:1348 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ff0a7e4bf84 Code: Bad RIP value. RSP: 002b:00007ff0a6754190 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007ff0a7f091a2 RDX: 0000000000007b82 RSI: 0000000000000000 RDI: 00007ff0a7efdfbb RBP: 00007ff0a7eff08d R08: 00007ffeb15b9000 R09: 0000002deeb3c19c R10: 000a23133753b6f3 R11: 0000000000000001 R12: 0000000000000000 R13: 00007ffeb15283ef R14: 00007ff0a6754300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 000000002d816e54 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7816: #0: 000000004c215f8f (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-executor.5/12012: #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: exit_mm kernel/exit.c:512 [inline] #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: do_exit+0x6e4/0x2be0 kernel/exit.c:857 1 lock held by syz-executor.5/12014: #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: exit_mm kernel/exit.c:512 [inline] #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: do_exit+0x6e4/0x2be0 kernel/exit.c:857 1 lock held by syz-executor.5/12016: 1 lock held by syz-executor.5/12017: #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: exit_mm kernel/exit.c:512 [inline] #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: do_exit+0x6e4/0x2be0 kernel/exit.c:857 1 lock held by syz-executor.5/12018: #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: __do_page_fault+0x97f/0xd60 arch/x86/mm/fault.c:1348 1 lock held by syz-executor.5/12019: #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: exit_mm kernel/exit.c:512 [inline] #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: do_exit+0x6e4/0x2be0 kernel/exit.c:857 1 lock held by syz-executor.5/12020: #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: exit_mm kernel/exit.c:512 [inline] #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: do_exit+0x6e4/0x2be0 kernel/exit.c:857 1 lock held by syz-executor.5/12021: #0: 00000000911f7d46 (&mm->mmap_sem){++++}, at: __do_page_fault+0x97f/0xd60 arch/x86/mm/fault.c:1348 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-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: 12016 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948 Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41 RSP: 0018:ffff88809113f960 EFLAGS: 00000286 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286 RBP: ffff8880af6864c0 R08: ffffffff8178e153 R09: ffffed100a2d71b6 R10: ffff8880516b8db7 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880516b8db0 R14: 0000000000000001 R15: ffffffff8178e153 FS: 00007ff0a67f9700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f83631b7d0c CR3: 000000009d8a6000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_is_held include/linux/lockdep.h:344 [inline] ___might_sleep+0x1ea/0x2b0 kernel/sched/core.c:6157 __mutex_lock_common kernel/locking/mutex.c:920 [inline] __mutex_lock+0xab/0x1190 kernel/locking/mutex.c:1078 perf_mmap+0x693/0x1810 kernel/events/core.c:5713 call_mmap include/linux/fs.h:1826 [inline] mmap_region+0xc94/0x16b0 mm/mmap.c:1757 do_mmap+0x8e8/0x1080 mm/mmap.c:1530 do_mmap_pgoff include/linux/mm.h:2329 [inline] vm_mmap_pgoff+0x197/0x200 mm/util.c:357 ksys_mmap_pgoff+0x298/0x5a0 mm/mmap.c:1580 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff0a7ea50e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff0a67f9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007ff0a7fb8030 RCX: 00007ff0a7ea50e9 RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000020ffe000 RBP: 00007ff0a7eff08d R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb15283ef R14: 00007ff0a67f9300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 03 da add %edx,%ebx 2: fd std 3: 48 83 ed 08 sub $0x8,%rbp 7: bf 07 00 00 00 mov $0x7,%edi c: 48 83 c3 08 add $0x8,%rbx 10: 48 89 ee mov %rbp,%rsi 13: e8 98 04 da fd callq 0xfdda04b0 18: 48 83 fd 07 cmp $0x7,%rbp 1c: 0f 86 29 01 00 00 jbe 0x14b 22: e8 f9 02 da fd callq 0xfdda0320 27: 45 31 ff xor %r15d,%r15d * 2a: 4d 8b 64 1d 00 mov 0x0(%r13,%rbx,1),%r12 <-- trapping instruction 2f: 31 ff xor %edi,%edi 31: 44 89 fe mov %r15d,%esi 34: e8 57 04 da fd callq 0xfdda0490 39: 45 85 ff test %r15d,%r15d 3c: 0f .byte 0xf 3d: 84 61 ff test %ah,-0x1(%rcx)