ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci5: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.5:12476 blocked for more than 140 seconds. Not tainted 4.19.208-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28344 12476 8117 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 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1c0 fs/fuse/dev.c:505 fuse_simple_request+0x2e6/0x820 fs/fuse/dev.c:576 fuse_lookup_name+0x24c/0x5c0 fs/fuse/dir.c:330 fuse_lookup+0xdf/0x410 fs/fuse/dir.c:368 __lookup_slow+0x246/0x4a0 fs/namei.c:1672 lookup_slow fs/namei.c:1689 [inline] walk_component+0x7ac/0xda0 fs/namei.c:1811 lookup_last fs/namei.c:2274 [inline] path_lookupat+0x1ff/0x8d0 fs/namei.c:2319 filename_lookup+0x1ac/0x5a0 fs/namei.c:2349 do_readlinkat+0xcd/0x2f0 fs/stat.c:394 __do_sys_readlink fs/stat.c:427 [inline] __se_sys_readlink fs/stat.c:424 [inline] __x64_sys_readlink+0x74/0xb0 fs/stat.c:424 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f5838329709 Code: Bad RIP value. RSP: 002b:00007f58358a0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 RAX: ffffffffffffffda RBX: 00007f583842df60 RCX: 00007f5838329709 RDX: 00000000000000cd RSI: 00000000200001c0 RDI: 0000000020000000 RBP: 00007f5838383cb4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea3e5fc9f R14: 00007f58358a0300 R15: 0000000000022000 INFO: task syz-executor.5:12578 blocked for more than 140 seconds. Not tainted 4.19.208-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28344 12578 8117 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 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1c0 fs/fuse/dev.c:505 fuse_simple_request+0x2e6/0x820 fs/fuse/dev.c:576 fuse_lookup_name+0x24c/0x5c0 fs/fuse/dir.c:330 fuse_lookup+0xdf/0x410 fs/fuse/dir.c:368 __lookup_slow+0x246/0x4a0 fs/namei.c:1672 lookup_slow fs/namei.c:1689 [inline] walk_component+0x7ac/0xda0 fs/namei.c:1811 lookup_last fs/namei.c:2274 [inline] path_lookupat+0x1ff/0x8d0 fs/namei.c:2319 filename_lookup+0x1ac/0x5a0 fs/namei.c:2349 do_readlinkat+0xcd/0x2f0 fs/stat.c:394 __do_sys_readlink fs/stat.c:427 [inline] __se_sys_readlink fs/stat.c:424 [inline] __x64_sys_readlink+0x74/0xb0 fs/stat.c:424 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f5838329709 Code: Bad RIP value. RSP: 002b:00007f58358a0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 RAX: ffffffffffffffda RBX: 00007f583842df60 RCX: 00007f5838329709 RDX: 00000000000000cd RSI: 00000000200001c0 RDI: 0000000020000000 RBP: 00007f5838383cb4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea3e5fc9f R14: 00007f58358a0300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000dc6f4a4a (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7798: 2 locks held by syz-executor.5/12476: #0: 00000000bea7efa2 (&type->i_mutex_dir_key#8){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 00000000bea7efa2 (&type->i_mutex_dir_key#8){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 00000000bea7efa2 (&type->i_mutex_dir_key#8){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 #1: 00000000ff838b84 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:365 2 locks held by syz-executor.5/12578: #0: 00000000bb260a55 (&type->i_mutex_dir_key#8){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 00000000bb260a55 (&type->i_mutex_dir_key#8){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 00000000bb260a55 (&type->i_mutex_dir_key#8){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 #1: 00000000299e4329 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:365 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.208-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: 7799 Comm: rs:main Q:Reg Not tainted 4.19.208-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 kernel/kcov.c:101 Code: ff 4c 89 ef e8 04 db 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 <65> 8b 15 1c 5b 9f 7e 81 e2 00 01 1f 00 75 2b 8b 90 60 13 00 00 83 RSP: 0018:ffff888090ddf530 EFLAGS: 00000206 RAX: ffff888090dc8600 RBX: 000000000000000f RCX: ffffffff817d1870 RDX: 000000000000000f RSI: ffffffff817d187d RDI: 0000000000000005 RBP: ffff8880ae667560 R08: ffff888090ddf728 R09: 0000000000000000 R10: 0000000000000005 R11: 00000000e1cd735b R12: ffff888090ddf700 R13: ffffffffffff0000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f4e37fff700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8a90d1000 CR3: 000000009cf22000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_lock include/linux/rcupdate.h:625 [inline] find_get_pages_range+0xad/0xbf0 mm/filemap.c:1735 pagevec_lookup_range+0x32/0x70 mm/swap.c:1005 clean_bdev_aliases+0x169/0x6e0 fs/buffer.c:1586 clean_bdev_bh_alias include/linux/buffer_head.h:179 [inline] __block_write_begin_int+0x9f9/0x17b0 fs/buffer.c:1986 ext4_da_write_begin+0x4e1/0x10e0 fs/ext4/inode.c:3109 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 ext4_file_write_iter+0x2fe/0xf20 fs/ext4/file.c:272 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f4e3f23e1cd Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f4e37ffe590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f4e30004820 RCX: 00007f4e3f23e1cd RDX: 00000000000003e1 RSI: 00007f4e30004820 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f4e300045a0 R13: 00007f4e37ffe5b0 R14: 000055b6e6284360 R15: 00000000000003e1 ---------------- Code disassembly (best guess): 0: ff 4c 89 ef decl -0x11(%rcx,%rcx,4) 4: e8 04 db 35 00 callq 0x35db0d 9: e9 23 fe ff ff jmpq 0xfffffe31 e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 48 8b 34 24 mov (%rsp),%rsi 21: 65 48 8b 04 25 c0 df mov %gs:0x1dfc0,%rax 28: 01 00 * 2a: 65 8b 15 1c 5b 9f 7e mov %gs:0x7e9f5b1c(%rip),%edx # 0x7e9f5b4d <-- trapping instruction 31: 81 e2 00 01 1f 00 and $0x1f0100,%edx 37: 75 2b jne 0x64 39: 8b 90 60 13 00 00 mov 0x1360(%rax),%edx 3f: 83 .byte 0x83