A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:800 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.0 D28184 800 30365 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 fuse_wait_on_page_writeback fs/fuse/file.c:383 [inline] fuse_wait_on_page_writeback.isra.0+0x11b/0x170 fs/fuse/file.c:379 fuse_launder_page fs/fuse/file.c:2033 [inline] fuse_launder_page+0xb6/0xe0 fs/fuse/file.c:2026 do_launder_page mm/truncate.c:655 [inline] invalidate_inode_pages2_range+0x795/0x1110 mm/truncate.c:725 fuse_finish_open+0x2e2/0x590 fs/fuse/file.c:182 fuse_open_common+0x254/0x2c0 fs/fuse/file.c:222 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: 0033:0x7f18b81e00e9 Code: Bad RIP value. RSP: 002b:00007f18b6b55168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f18b82f2f60 RCX: 00007f18b81e00e9 RDX: 0000000000000300 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007f18b823a08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4ad353cf R14: 00007f18b6b55300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000034873e3 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by syz-executor.0/788: #0: 000000000b3eb05f (&sb->s_type->i_mutex_key#37){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 000000000b3eb05f (&sb->s_type->i_mutex_key#37){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.0/800: #0: 000000001eb0f615 (sb_writers#27){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000001eb0f615 (sb_writers#27){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 000000000b3eb05f (&sb->s_type->i_mutex_key#37){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 000000000b3eb05f (&sb->s_type->i_mutex_key#37){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 ============================================= 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 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 1309 Comm: kworker/u4:3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy24 ieee80211_iface_work RIP: 0010:__lock_acquire+0x92e/0x3ff0 kernel/locking/lockdep.c:3419 Code: b6 14 02 48 c7 c0 60 f1 45 8a 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 0b 26 00 00 8b 15 5a f0 fa 08 85 d2 0f 84 58 f8 ff ff <48> b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 80 3c 02 RSP: 0018:ffff8880b336fae8 EFLAGS: 00000002 RAX: 0000000000000003 RBX: ffffffff8c712320 RCX: 0000000000001ef0 RDX: 0000000000000001 RSI: 00000000cd0b7578 RDI: ffffffff8c712338 RBP: dffffc0000000000 R08: ffffffff8cd26cc0 R09: 0000000000000000 R10: ffff8880b3124c48 R11: 0000000000000000 R12: e378804bf4a0b5b9 R13: ffff8880b31243c0 R14: ffff8880b3124c60 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4cce18d000 CR3: 0000000098b2f000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x5b/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] process_one_work+0x992/0x1570 kernel/workqueue.c:2181 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ---------------- Code disassembly (best guess): 0: b6 14 mov $0x14,%dh 2: 02 48 c7 add -0x39(%rax),%cl 5: c0 60 f1 45 shlb $0x45,-0xf(%rax) 9: 8a 83 e0 07 83 c0 mov -0x3f7cf820(%rbx),%al f: 03 38 add (%rax),%edi 11: d0 7c 08 84 sarb -0x7c(%rax,%rcx,1) 15: d2 0f rorb %cl,(%rdi) 17: 85 0b test %ecx,(%rbx) 19: 26 00 00 add %al,%es:(%rax) 1c: 8b 15 5a f0 fa 08 mov 0x8faf05a(%rip),%edx # 0x8faf07c 22: 85 d2 test %edx,%edx 24: 0f 84 58 f8 ff ff je 0xfffff882 * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 39: 48 c1 ea 03 shr $0x3,%rdx 3d: 80 .byte 0x80 3e: 3c 02 cmp $0x2,%al