audit: type=1804 audit(1655269893.706:433): pid=27735 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir4003175424/syzkaller.WGPpEk/1724/bus" dev="sda1" ino=14049 res=1 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.5:27739 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 D27184 27739 8125 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 schedule_timeout+0x92d/0xfe0 kernel/time/timer.c:1794 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:115 usb_start_wait_urb+0x14b/0x4c0 drivers/usb/core/message.c:62 usb_bulk_msg+0x226/0x550 drivers/usb/core/message.c:253 proc_bulk+0x3de/0x860 drivers/usb/core/devio.c:1211 usbdev_do_ioctl+0x696/0x3030 drivers/usb/core/devio.c:2435 usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2585 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc378d1d109 Code: Bad RIP value. RSP: 002b:00007fc377692168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc378e2ff60 RCX: 00007fc378d1d109 RDX: 0000000020000000 RSI: 00000000c0185502 RDI: 0000000000000003 RBP: 00007fc378d7705d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeafac5b5f R14: 00007fc377692300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000efbce18e (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 2 locks held by kworker/u4:4/3121: #0: 00000000c5af2a31 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 00000000c5af2a31 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 0000000022d15718 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 ============================================= 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: 4690 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:__debug_check_no_obj_freed lib/debugobjects.c:779 [inline] RIP: 0010:debug_check_no_obj_freed+0x101/0x490 lib/debugobjects.c:817 Code: 00 00 49 bc 00 02 00 00 00 00 ad de 4c 89 c0 31 ed 48 c1 e8 03 42 80 3c 38 00 0f 85 dd 00 00 00 49 8d 78 18 83 c5 01 4d 8b 30 <48> 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 65 02 00 00 4d 8b 48 18 RSP: 0018:ffff8880a12d79c0 EFLAGS: 00000002 RAX: 1ffff110143a7188 RBX: 0000000000000000 RCX: ffffffff814bdebb RDX: 1ffffffff1a8517b RSI: 0000000000000004 RDI: ffff8880a1d38c58 RBP: 0000000000000001 R08: ffff8880a1d38c40 R09: fffffbfff1a85179 R10: ffffffff8d428bcb R11: 0000000000000009 R12: dead000000000200 R13: ffff88809e49e000 R14: ffff8880a1d387e0 R15: dffffc0000000000 FS: 00007f9d594dc8c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9d552b5000 CR3: 00000000a1496000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: free_pages_prepare mm/page_alloc.c:1056 [inline] __free_pages_ok+0x22d/0xd30 mm/page_alloc.c:1279 slab_destroy mm/slab.c:1713 [inline] slabs_destroy+0x90/0xd0 mm/slab.c:1729 cache_flusharray mm/slab.c:3490 [inline] ___cache_free+0x295/0x3a0 mm/slab.c:3532 qlink_free mm/kasan/quarantine.c:147 [inline] qlist_free_all+0x79/0x140 mm/kasan/quarantine.c:166 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 prepare_creds+0x39/0x510 kernel/cred.c:255 do_faccessat+0x94/0x7a0 fs/open.c:359 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9d587979c7 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:00007ffc57fdb248 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007ffc57fde270 RCX: 00007f9d587979c7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005613b76b39a3 RBP: 00007ffc57fdb390 R08: 00005613b76a93e5 R09: 0000000000000018 R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00005613b7ab88a0 R15: 00007ffc57fdb880 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 49 bc 00 02 00 00 00 movabs $0xdead000000000200,%r12 9: 00 ad de c: 4c 89 c0 mov %r8,%rax f: 31 ed xor %ebp,%ebp 11: 48 c1 e8 03 shr $0x3,%rax 15: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 1a: 0f 85 dd 00 00 00 jne 0xfd 20: 49 8d 78 18 lea 0x18(%r8),%rdi 24: 83 c5 01 add $0x1,%ebp 27: 4d 8b 30 mov (%r8),%r14 * 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction 2d: 48 c1 e8 03 shr $0x3,%rax 31: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 36: 0f 85 65 02 00 00 jne 0x2a1 3c: 4d 8b 48 18 mov 0x18(%r8),%r9