ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci1: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.4:12444 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.4 D29576 12444 13402 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 grab_super+0xa2/0x350 fs/super.c:383 sget_userns+0x352/0xcd0 fs/super.c:511 sget+0x102/0x140 fs/super.c:570 mount_bdev+0xf8/0x3b0 fs/super.c:1131 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/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: 0033:0x7fa6507adae9 Code: Bad RIP value. RSP: 002b:00007fa64dc9f188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa6508c1260 RCX: 00007fa6507adae9 RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 00000000200003c0 RBP: 00007fa650807f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7893c01f R14: 00007fa64dc9f300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000b4d1399f (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7808: #0: 000000003d6e4a5e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/8021: #0: 00000000fe19d52f (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000e266543d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 2 locks held by syz-executor.4/12367: 2 locks held by syz-executor.4/12444: #0: 00000000984d9f51 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x90/0x3b0 fs/super.c:1125 #1: 000000008a825958 (&type->s_umount_key#63){+.+.}, at: grab_super+0xa2/0x350 fs/super.c:383 ============================================= 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: 12367 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_preemption_disabled+0x33/0x280 lib/smp_processor_id.c:15 Code: 41 54 55 48 89 fd 53 e8 6b 67 eb fd 65 44 8b 25 23 63 8a 7c 65 8b 1d 3c c1 8a 7c 81 e3 ff ff ff 7f 31 ff 89 de e8 bd 68 eb fd <85> db 74 18 e8 44 67 eb fd e8 3f 67 eb fd 44 89 e0 5b 5d 41 5c 41 RSP: 0018:ffff888230ccf588 EFLAGS: 00000297 RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff83771e23 RDX: 0000000000000001 RSI: ffff8880976ac4c0 RDI: 0000000000000005 RBP: ffffffff88b3e120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff88b3e0e0 R14: ffff88808e489ba8 R15: dffffc0000000000 FS: 00007fa64dce1700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f48b5cc0000 CR3: 000000003c1ec000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:348 [inline] rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:1025 rcu_read_unlock include/linux/rcupdate.h:677 [inline] find_get_entry+0x64c/0x8a0 mm/filemap.c:1491 pagecache_get_page+0x56/0xd50 mm/filemap.c:1564 find_or_create_page include/linux/pagemap.h:322 [inline] grow_dev_page fs/buffer.c:948 [inline] grow_buffers fs/buffer.c:1017 [inline] __getblk_slow+0x216/0x9e0 fs/buffer.c:1044 __getblk_gfp fs/buffer.c:1321 [inline] __bread_gfp+0x218/0x300 fs/buffer.c:1366 sb_bread include/linux/buffer_head.h:309 [inline] udf_tread+0xe8/0x130 fs/udf/misc.c:44 udf_read_tagged+0x4e/0x530 fs/udf/misc.c:219 udf_check_anchor_block+0x1b4/0x610 fs/udf/super.c:1827 udf_scan_anchors+0x3ba/0x5f0 fs/udf/super.c:1889 udf_find_anchor fs/udf/super.c:1924 [inline] udf_load_vrs+0x633/0xbf0 fs/udf/super.c:1989 udf_fill_super+0x7d1/0x17a0 fs/udf/super.c:2184 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/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: 0033:0x7fa6507adae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa64dce1188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa6508c10e0 RCX: 00007fa6507adae9 RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 00000000200003c0 RBP: 00007fa650807f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7893c01f R14: 00007fa64dce1300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 41 54 push %r12 2: 55 push %rbp 3: 48 89 fd mov %rdi,%rbp 6: 53 push %rbx 7: e8 6b 67 eb fd callq 0xfdeb6777 c: 65 44 8b 25 23 63 8a mov %gs:0x7c8a6323(%rip),%r12d # 0x7c8a6337 13: 7c 14: 65 8b 1d 3c c1 8a 7c mov %gs:0x7c8ac13c(%rip),%ebx # 0x7c8ac157 1b: 81 e3 ff ff ff 7f and $0x7fffffff,%ebx 21: 31 ff xor %edi,%edi 23: 89 de mov %ebx,%esi 25: e8 bd 68 eb fd callq 0xfdeb68e7 * 2a: 85 db test %ebx,%ebx <-- trapping instruction 2c: 74 18 je 0x46 2e: e8 44 67 eb fd callq 0xfdeb6777 33: e8 3f 67 eb fd callq 0xfdeb6777 38: 44 89 e0 mov %r12d,%eax 3b: 5b pop %rbx 3c: 5d pop %rbp 3d: 41 5c pop %r12 3f: 41 rex.B