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.3:587 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 D28184 587 7647 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 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1c0 fs/fuse/dev.c:505 fuse_simple_request+0x2e6/0x820 fs/fuse/dev.c:576 fuse_send_open+0x190/0x1f0 fs/fuse/file.c:44 fuse_do_open+0x2bd/0x500 fs/fuse/file.c:135 fuse_open_common+0x1fb/0x2c0 fs/fuse/file.c:219 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: 0033:0x7f4ae0af3ae9 Code: Bad RIP value. RSP: 002b:00007f4ade069188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f4ae0c06f60 RCX: 00007f4ae0af3ae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f4ae0b4df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc131e1dff R14: 00007f4ade069300 R15: 0000000000022000 INFO: task syz-executor.3:602 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 D27664 602 7647 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] lock_mount+0xcc/0x4a0 fs/namespace.c:2075 do_add_mount+0x73/0x560 fs/namespace.c:2439 do_new_mount fs/namespace.c:2506 [inline] do_mount+0x1976/0x2f50 fs/namespace.c:2822 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: 0033:0x7f4ae0af3ae9 Code: Bad RIP value. RSP: 002b:00007f4ade048188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f4ae0c07020 RCX: 00007f4ae0af3ae9 RDX: 0000000020002100 RSI: 00000000200020c0 RDI: 0000000000000000 RBP: 00007f4ae0b4df6d R08: 0000000020002140 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc131e1dff R14: 00007f4ade048300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000001d2a6052 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7780: #0: 0000000092b1418f (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/7826: #0: 000000006a5e3b5c (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000c7c6509b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 2 locks held by syz-executor.3/587: #0: 00000000987931c7 (sb_writers#14){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000987931c7 (sb_writers#14){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000ce3a6b2f (&sb->s_type->i_mutex_key#22){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000ce3a6b2f (&sb->s_type->i_mutex_key#22){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 1 lock held by syz-executor.3/602: #0: 00000000ce3a6b2f (&sb->s_type->i_mutex_key#22){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000ce3a6b2f (&sb->s_type->i_mutex_key#22){+.+.}, at: lock_mount+0xcc/0x4a0 fs/namespace.c:2075 ============================================= 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: 4687 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:___bpf_prog_run+0x3289/0x4e80 kernel/bpf/core.c:1233 Code: 38 d0 7f 08 84 c0 0f 85 ff 12 00 00 41 0f b6 46 01 83 e0 0f 4c 8d 7c c5 00 4c 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 fe 09 00 00 <49> 8d 7e 04 49 8b 17 48 89 f8 48 c1 e8 03 0f b6 0c 18 48 89 f8 83 RSP: 0018:ffff8880a1147a30 EFLAGS: 00000246 RAX: 1ffff11014228f60 RBX: dffffc0000000000 RCX: ffffffff816c6963 RDX: 0000000000000001 RSI: ffffffff816c68ea RDI: ffffc90001ad4161 RBP: ffff8880a1147b00 R08: 0000000000000000 R09: 0000000000000027 R10: 0000000000000006 R11: 0000000000000000 R12: ffffffff886fb460 R13: ffffed1014228f62 R14: ffffc90001ad4160 R15: ffff8880a1147b00 FS: 00007f4f033f68c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4f001a3000 CR3: 00000000a152f000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ---------------- Code disassembly (best guess): 0: 38 d0 cmp %dl,%al 2: 7f 08 jg 0xc 4: 84 c0 test %al,%al 6: 0f 85 ff 12 00 00 jne 0x130b c: 41 0f b6 46 01 movzbl 0x1(%r14),%eax 11: 83 e0 0f and $0xf,%eax 14: 4c 8d 7c c5 00 lea 0x0(%rbp,%rax,8),%r15 19: 4c 89 f8 mov %r15,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) 24: 0f 85 fe 09 00 00 jne 0xa28 * 2a: 49 8d 7e 04 lea 0x4(%r14),%rdi <-- trapping instruction 2e: 49 8b 17 mov (%r15),%rdx 31: 48 89 f8 mov %rdi,%rax 34: 48 c1 e8 03 shr $0x3,%rax 38: 0f b6 0c 18 movzbl (%rax,%rbx,1),%ecx 3c: 48 89 f8 mov %rdi,%rax 3f: 83 .byte 0x83