ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.3:32161 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 D29744 32161 11979 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 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:748 [inline] do_last fs/namei.c:3324 [inline] path_openat+0x1071/0x2df0 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: 0033:0x7fd514519ae9 Code: Bad RIP value. RSP: 002b:00007fd511a4d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fd51462d0e0 RCX: 00007fd514519ae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200003c0 RBP: 00007fd514573f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd39caa1bf R14: 00007fd511a4d300 R15: 0000000000022000 INFO: task syz-executor.3:32189 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 D29720 32189 11979 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 inode_lock_shared include/linux/fs.h:758 [inline] lookup_slow fs/namei.c:1688 [inline] walk_component+0x798/0xda0 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 user_path include/linux/namei.h:62 [inline] do_mount+0x147/0x2f50 fs/namespace.c:2762 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd514519ae9 Code: Bad RIP value. RSP: 002b:00007fd511a0b188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fd51462d260 RCX: 00007fd514519ae9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000000 RBP: 00007fd514573f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd39caa1bf R14: 00007fd511a0b300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 0000000019c54d5a (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by systemd-journal/4688: #0: 00000000925ce984 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 00000000925ce984 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 1 lock held by in:imklog/7801: #0: 00000000a9e92713 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 3 locks held by kworker/u4:11/10510: #0: 00000000925ce984 (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:9702 [inline] #0: 00000000925ce984 (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 kernel/sched/fair.c:6841 #1: 0000000019c54d5a (rcu_read_lock){....}, at: cpu_of kernel/sched/sched.h:923 [inline] #1: 0000000019c54d5a (rcu_read_lock){....}, at: __update_idle_core+0x39/0x3e0 kernel/sched/fair.c:6057 #2: 00000000dec9f94b (&base->lock){-.-.}, at: lock_timer_base+0x55/0x1b0 kernel/time/timer.c:950 1 lock held by syz-executor.3/32156: #0: 0000000063e929b1 (&sb->s_type->i_mutex_key#27){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 0000000063e929b1 (&sb->s_type->i_mutex_key#27){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 0000000063e929b1 (&sb->s_type->i_mutex_key#27){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 2 locks held by syz-executor.3/32161: #0: 00000000f4bdf5ed (sb_writers#21){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000f4bdf5ed (sb_writers#21){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 0000000063e929b1 (&sb->s_type->i_mutex_key#27){++++}, at: inode_lock include/linux/fs.h:748 [inline] #1: 0000000063e929b1 (&sb->s_type->i_mutex_key#27){++++}, at: do_last fs/namei.c:3324 [inline] #1: 0000000063e929b1 (&sb->s_type->i_mutex_key#27){++++}, at: path_openat+0x1071/0x2df0 fs/namei.c:3537 1 lock held by syz-executor.3/32189: #0: 0000000063e929b1 (&sb->s_type->i_mutex_key#27){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 0000000063e929b1 (&sb->s_type->i_mutex_key#27){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 0000000063e929b1 (&sb->s_type->i_mutex_key#27){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 ============================================= 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: 4688 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:preempt_count_add+0x64/0x190 kernel/sched/core.c:3238 Code: 0b 85 c9 75 07 65 8b 05 ea 70 c0 7e 48 b8 00 00 00 00 00 fc ff df 48 89 da 83 e3 07 48 c1 ea 03 83 c3 03 65 01 2d cc 70 c0 7e <0f> b6 04 02 38 c3 7c 08 84 c0 0f 85 da 00 00 00 8b 15 c6 c8 e2 0b RSP: 0018:ffff8880a1137990 EFLAGS: 00000282 RAX: dffffc0000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 1ffffffff1a486ec RSI: ffff8880a1137938 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880a1137b37 R11: 0000000000074071 R12: ffff8880a1137b20 R13: 0000000000000000 R14: ffff8880a1137ad8 R15: 0000000000001000 FS: 00007fb2291c68c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb226247000 CR3: 00000000a1bac000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0x135/0x1400 arch/x86/kernel/unwind_orc.c:407 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 kmem_cache_alloc+0x122/0x370 mm/slab.c:3559 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+0x248/0x7a0 fs/open.c:397 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb2284819c7 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:00007ffc036e3ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007ffc036e6bc0 RCX: 00007fb2284819c7 RDX: 00007fb228ef2a00 RSI: 0000000000000000 RDI: 0000562bb5c609a3 RBP: 00007ffc036e3ce0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffc036e6bc0 R15: 00007ffc036e41d0 ---------------- Code disassembly (best guess): 0: 0b 85 c9 75 07 65 or 0x650775c9(%rbp),%eax 6: 8b 05 ea 70 c0 7e mov 0x7ec070ea(%rip),%eax # 0x7ec070f6 c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 13: fc ff df 16: 48 89 da mov %rbx,%rdx 19: 83 e3 07 and $0x7,%ebx 1c: 48 c1 ea 03 shr $0x3,%rdx 20: 83 c3 03 add $0x3,%ebx 23: 65 01 2d cc 70 c0 7e add %ebp,%gs:0x7ec070cc(%rip) # 0x7ec070f6 * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 38 c3 cmp %al,%bl 30: 7c 08 jl 0x3a 32: 84 c0 test %al,%al 34: 0f 85 da 00 00 00 jne 0x114 3a: 8b 15 c6 c8 e2 0b mov 0xbe2c8c6(%rip),%edx # 0xbe2c906