bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout INFO: task syz-executor.5:14777 blocked for more than 140 seconds. Not tainted 4.19.150-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28960 14777 11012 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 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+0x123/0x1d0 fs/fuse/dev.c:505 fuse_simple_request+0x2d2/0x6f0 fs/fuse/dev.c:576 fuse_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 __vfs_getxattr fs/xattr.c:347 [inline] vfs_getxattr+0x1ce/0x320 fs/xattr.c:378 getxattr+0xf4/0x2b0 fs/xattr.c:607 path_getxattr+0xb6/0x150 fs/xattr.c:635 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 89 4c 24 78 48 8b 6c 24 58 48 83 c4 60 c3 48 89 4c 24 30 90 48 8d 05 f6 5c 61 01 48 89 04 24 e8 7d cd fa ff 48 8d 05 46 29 44 <00> 48 89 04 24 48 8b 05 eb 5c 61 01 48 89 44 24 08 8b 44 24 70 89 RSP: 002b:00007f25c539cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0 RAX: ffffffffffffffda RBX: 0000000000020840 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000040 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff6b92687f R14: 00007f25c539d9c0 R15: 000000000118bf2c Showing all locks held in the system: 1 lock held by khungtaskd/1096: #0: 000000009ab97c33 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x291 kernel/locking/lockdep.c:4440 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1096 Comm: khungtaskd Not tainted 4.19.150-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+0x22c/0x33e lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x18/0x3d lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1eb 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+0xa62/0x1020 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: 3722 Comm: systemd-journal Not tainted 4.19.150-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:zone_page_state include/linux/vmstat.h:202 [inline] RIP: 0010:zone_watermark_fast mm/page_alloc.c:3233 [inline] RIP: 0010:get_page_from_freelist+0x1046/0x4620 mm/page_alloc.c:3330 Code: 4c 89 f0 4c 8b 4c 24 10 48 c1 e8 03 42 80 3c 38 00 0f 85 5c 28 00 00 48 8b 04 24 ba 00 00 00 00 48 8b 80 60 06 00 00 48 85 c0 <48> 0f 48 c2 e9 5f f2 ff ff 8b 94 24 e0 00 00 00 f7 da 48 63 d2 48 RSP: 0018:ffff888093df7908 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff88812fffe5d0 RCX: ffffffff81901bdc RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88812fffbd20 RBP: ffff88812fffbcc0 R08: 0000000000000000 R09: 000000000003cb73 R10: ffff88812fffbd27 R11: 0000000000000000 R12: 0000000000002bae R13: 0000000000000002 R14: ffff88812fffbd20 R15: dffffc0000000000 FS: 00007efd7c5158c0(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efd79a04000 CR3: 0000000093c15000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __alloc_pages_nodemask+0x3b1/0x2a60 mm/page_alloc.c:4398 __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa1/0x9b0 mm/slab.c:2682 cache_alloc_refill+0x2aa/0x410 mm/slab.c:3049 ____cache_alloc mm/slab.c:3132 [inline] __do_cache_alloc mm/slab.c:3354 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x3b4/0x4a0 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 user_path_at_empty+0x2a/0x50 fs/namei.c:2609 user_path_at include/linux/namei.h:57 [inline] do_faccessat+0x262/0x7f0 fs/open.c:397 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7efd7b7d19c7 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:00007ffcdfff98c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007ffcdfffc8f0 RCX: 00007efd7b7d19c7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055c66e09f9a3 RBP: 00007ffcdfff9a10 R08: 000055c66e0953e5 R09: 0000000000000018 R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 000055c66ecdf8c0 R15: 00007ffcdfff9f00