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.1:29283 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.1 D27376 29283 8122 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: 0033:0x7efc9d3b7109 Code: Bad RIP value. RSP: 002b:00007efc9bd2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007efc9d4c9f60 RCX: 00007efc9d3b7109 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007efc9d41108d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5598747f R14: 00007efc9bd2c300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 00000000f256d139 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 3 locks held by kworker/1:1H/4665: #0: 0000000080c0851b (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 0000000080c0851b (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 00000000f256d139 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000f256d139 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 #2: 00000000f256d139 (rcu_read_lock){....}, at: hctx_lock block/blk-mq.c:602 [inline] #2: 00000000f256d139 (rcu_read_lock){....}, at: hctx_lock+0x7f/0x1d0 block/blk-mq.c:597 1 lock held by in:imklog/7797: #0: 000000007dee6b24 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by rs:main Q:Reg/7798: 2 locks held by syz-executor.1/29283: #0: 0000000092df0818 (sb_writers#22){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 0000000092df0818 (sb_writers#22){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 000000004049f41a (&sb->s_type->i_mutex_key#28){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 000000004049f41a (&sb->s_type->i_mutex_key#28){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1571 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: 4691 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:__nr_to_section include/linux/mmzone.h:1159 [inline] RIP: 0010:__pfn_to_section include/linux/mmzone.h:1235 [inline] RIP: 0010:get_pageblock_bitmap mm/page_alloc.c:376 [inline] RIP: 0010:__get_pfnblock_flags_mask mm/page_alloc.c:411 [inline] RIP: 0010:get_pfnblock_migratetype mm/page_alloc.c:430 [inline] RIP: 0010:__free_pages_ok+0x266/0xd30 mm/page_alloc.c:1282 Code: de e8 3e 4a 19 00 44 89 e6 4c 89 f7 e8 73 c0 19 00 48 c7 c0 20 5a 25 8d 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 21 09 00 00 48 8b 2d 7d c3 a6 0b 48 85 ed 74 3b 4c 89 f8 48 RSP: 0018:ffff8880a0d57a18 EFLAGS: 00000046 RAX: 1ffffffff1a4ab44 RBX: 0000000000000002 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 00000000000000ff RDI: ffffed1015306c00 RBP: ffff8880a9834000 R08: ffffed1015306800 R09: ffffed1015306800 R10: 0000000000000001 R11: 0000000000000009 R12: 0000000000000001 R13: 0000000000000015 R14: ffffea0002a60d00 R15: 00000000000a9834 FS: 00007f15807438c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f157c5c6000 CR3: 00000000a1850000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 getname_flags+0xce/0x590 fs/namei.c:140 do_sys_open+0x26c/0x520 fs/open.c:1079 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f157fcd2840 Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 RSP: 002b:00007ffd37000158 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ffd37000460 RCX: 00007f157fcd2840 RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 000056121974c220 RBP: 000000000000000d R08: 000000000000c0ff R09: 00000000ffffffff R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff R13: 000056121973e040 R14: 00007ffd37000420 R15: 000056121974c040 ---------------- Code disassembly (best guess): 0: de e8 fsubrp %st,%st(0) 2: 3e 4a 19 00 rex.WX sbb %rax,%ds:(%rax) 6: 44 89 e6 mov %r12d,%esi 9: 4c 89 f7 mov %r14,%rdi c: e8 73 c0 19 00 callq 0x19c084 11: 48 c7 c0 20 5a 25 8d mov $0xffffffff8d255a20,%rax 18: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 1f: fc ff df 22: 48 c1 e8 03 shr $0x3,%rax 26: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) * 2a: 0f 85 21 09 00 00 jne 0x951 <-- trapping instruction 30: 48 8b 2d 7d c3 a6 0b mov 0xba6c37d(%rip),%rbp # 0xba6c3b4 37: 48 85 ed test %rbp,%rbp 3a: 74 3b je 0x77 3c: 4c 89 f8 mov %r15,%rax 3f: 48 rex.W