ieee802154 phy0 wpan0: encryption failed: -22 aoe: packet could not be sent on wpan1. consider increasing tx_queue_len ieee802154 phy0 wpan0: encryption failed: -22 aoe: packet could not be sent on wpan1. consider increasing tx_queue_len INFO: task syz-executor.3:21611 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.3 D27592 21611 14145 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_send_open+0x190/0x1f0 fs/fuse/file.c:44 fuse_do_open+0x2bd/0x500 fs/fuse/file.c:135 fuse_open_common+0x15b/0x2c0 fs/fuse/file.c:219 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f5872d17fe9 Code: Bad RIP value. RSP: 002b:00007f587168d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f5872e2af60 RCX: 00007f5872d17fe9 RDX: 0000000000000000 RSI: 000000002000c380 RDI: ffffffffffffff9c RBP: 00007f5872d7208d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3981b3df R14: 00007f587168d300 R15: 0000000000022000 INFO: task syz-executor.3:21617 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.3 D28632 21617 14145 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_do_setattr+0x87e/0x14f0 fs/fuse/dir.c:1712 fuse_setattr+0x239/0x560 fs/fuse/dir.c:1813 notify_change+0x70b/0xfc0 fs/attr.c:334 do_truncate+0x134/0x1f0 fs/open.c:63 handle_truncate fs/namei.c:3009 [inline] do_last fs/namei.c:3427 [inline] path_openat+0x2308/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f5872d17fe9 Code: Bad RIP value. RSP: 002b:00007f587166c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f5872e2b030 RCX: 00007f5872d17fe9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 00000000200001c0 RBP: 00007f5872d7208d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3981b3df R14: 00007f587166c300 R15: 0000000000022000 INFO: task syz-executor.3:21627 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.3 D28856 21627 14145 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_send_open+0x190/0x1f0 fs/fuse/file.c:44 fuse_do_open+0x2bd/0x500 fs/fuse/file.c:135 fuse_open_common+0x15b/0x2c0 fs/fuse/file.c:219 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f5872d17fe9 Code: Bad RIP value. RSP: 002b:00007f5871609168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f5872e2b2a0 RCX: 00007f5872d17fe9 RDX: 0000000000105140 RSI: 000000002000c380 RDI: ffffffffffffff9c RBP: 00007f5872d7208d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3981b3df R14: 00007f5871609300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 0000000027e7da6a (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 3 locks held by kworker/u4:7/21094: #0: 0000000099d20721 (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:9702 [inline] #0: 0000000099d20721 (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 kernel/sched/fair.c:6841 #1: 0000000027e7da6a (rcu_read_lock){....}, at: cpu_of kernel/sched/sched.h:923 [inline] #1: 0000000027e7da6a (rcu_read_lock){....}, at: __update_idle_core+0x39/0x3e0 kernel/sched/fair.c:6057 #2: 000000000fefed8c (&base->lock){-.-.}, at: lock_timer_base+0x55/0x1b0 kernel/time/timer.c:950 2 locks held by syz-executor.3/21617: #0: 0000000008ccbce9 (sb_writers#16){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 0000000008ccbce9 (sb_writers#16){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 0000000016cd5ca5 (&sb->s_type->i_mutex_key#29){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 0000000016cd5ca5 (&sb->s_type->i_mutex_key#29){+.+.}, at: do_truncate+0x125/0x1f0 fs/open.c:61 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 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: 4695 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lock_unpin_lock+0x0/0x4f0 kernel/locking/lockdep.c:3992 Code: ff ff ff e8 32 9f 4d 00 e9 56 ff ff ff e8 58 a0 4d 00 e9 d0 fe ff ff e8 6e a1 4d 00 e9 3e fe ff ff 66 0f 1f 84 00 00 00 00 00 <48> b8 00 00 00 00 00 fc ff df 41 57 48 89 fa 41 56 41 55 41 54 55 RSP: 0018:ffff8880a0947bd0 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff8880ba12b0d8 RCX: ffffffff88184a6d RDX: 1ffff11017425761 RSI: 0000000000008616 RDI: ffff8880ba12b0d8 RBP: ffff8880a0947ca0 R08: 0000000000000001 R09: ffffed10141332f3 R10: ffff8880a099979f R11: 0000000000000001 R12: ffff8880a0938640 R13: ffff8880b5a4e280 R14: 0000000000000000 R15: ffff8880ba12b0c0 FS: 00007f69efdf98c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f69ed468000 CR3: 00000000a0d93000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rq_unpin_lock kernel/sched/sched.h:1054 [inline] prepare_lock_switch kernel/sched/core.c:2562 [inline] context_switch kernel/sched/core.c:2825 [inline] __schedule+0x845/0x2040 kernel/sched/core.c:3517 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744 retint_kernel+0x1b/0x2d RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:write_comp_data+0xf/0x70 kernel/kcov.c:122 Code: 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 <65> 8b 05 7a 59 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 83 f8 RSP: 0018:ffff8880a0947d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff812b5ec0 RDX: 0000000000000000 RSI: ffff8880a0938640 RDI: 0000000000000007 RBP: ffff8880d1c9c420 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000051c9c420 R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8b270eb8 __phys_addr+0x90/0x110 arch/x86/mm/physaddr.c:27 kmap_to_page include/linux/highmem.h:51 [inline] check_heap_object mm/usercopy.c:240 [inline] __check_object_size mm/usercopy.c:290 [inline] __check_object_size+0x1af/0x3e0 mm/usercopy.c:260 check_object_size include/linux/thread_info.h:132 [inline] strncpy_from_user+0x9e/0x350 lib/strncpy_from_user.c:117 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: 0033:0x7f69ef0b4687 Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffecb8be3b8 EFLAGS: 00000293 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffecb8c12d0 RCX: 00007f69ef0b4687 RDX: 00007f69efb25a00 RSI: 00000000000001ed RDI: 000056172bc4f8a0 RBP: 00007ffecb8be3f0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffecb8c12d0 R15: 00007ffecb8be8e0 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: e8 32 9f 4d 00 callq 0x4d9f37 5: e9 56 ff ff ff jmpq 0xffffff60 a: e8 58 a0 4d 00 callq 0x4da067 f: e9 d0 fe ff ff jmpq 0xfffffee4 14: e8 6e a1 4d 00 callq 0x4da187 19: e9 3e fe ff ff jmpq 0xfffffe5c 1e: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 25: 00 00 * 27: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 2e: fc ff df 31: 41 57 push %r15 33: 48 89 fa mov %rdi,%rdx 36: 41 56 push %r14 38: 41 55 push %r13 3a: 41 54 push %r12 3c: 55 push %rbp