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.5:12203 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 D28816 12203 8137 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: 0033:0x7f9d9e32c01a Code: Bad RIP value. RSP: 002b:00007f9d9b85dfa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f9d9e32c01a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f9d9b85e000 RBP: 00007f9d9b85e040 R08: 00007f9d9b85e040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f9d9b85e000 R15: 0000000020013500 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000fa1466b2 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7816: #0: 0000000028a64553 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-executor.5/12173: 2 locks held by syz-executor.5/12203: #0: 00000000c83529b6 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x90/0x3b0 fs/super.c:1125 #1: 000000004940a4c5 (&type->s_umount_key#49){+.+.}, 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: 12173 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:find_get_entry+0x33/0x8a0 mm/filemap.c:1447 Code: 48 89 fd 53 48 81 ec 98 00 00 00 48 8d 44 24 38 48 89 74 24 10 48 c7 44 24 38 b3 8a b5 41 48 c1 e8 03 48 89 c1 48 89 44 24 30 <48> b8 00 00 00 00 00 fc ff df 48 c7 44 24 40 18 8b b5 89 48 01 c8 RSP: 0018:ffff88805a107578 EFLAGS: 00000a02 RAX: 1ffff1100b420eb6 RBX: 0000000000000001 RCX: 1ffff1100b420eb6 RDX: 0000000000040000 RSI: 0000000000000001 RDI: ffff88808ffb0be0 RBP: ffff88808ffb0be0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88808ffb0be0 R15: 0000000000000000 FS: 00007f9d9b8a0700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc82d7ed000 CR3: 0000000098a24000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pagecache_get_page+0x56/0xd50 mm/filemap.c:1564 find_get_page_flags include/linux/pagemap.h:278 [inline] __find_get_block_slow fs/buffer.c:206 [inline] __find_get_block+0x591/0xde0 fs/buffer.c:1295 __getblk_slow+0x14a/0x9e0 fs/buffer.c:1040 __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: 0033:0x7f9d9e32c01a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f9d9b89ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f9d9e32c01a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f9d9b8a0000 RBP: 00007f9d9b8a0040 R08: 00007f9d9b8a0040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f9d9b8a0000 R15: 0000000020013500 ---------------- Code disassembly (best guess): 0: 48 89 fd mov %rdi,%rbp 3: 53 push %rbx 4: 48 81 ec 98 00 00 00 sub $0x98,%rsp b: 48 8d 44 24 38 lea 0x38(%rsp),%rax 10: 48 89 74 24 10 mov %rsi,0x10(%rsp) 15: 48 c7 44 24 38 b3 8a movq $0x41b58ab3,0x38(%rsp) 1c: b5 41 1e: 48 c1 e8 03 shr $0x3,%rax 22: 48 89 c1 mov %rax,%rcx 25: 48 89 44 24 30 mov %rax,0x30(%rsp) * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 c7 44 24 40 18 8b movq $0xffffffff89b58b18,0x40(%rsp) 3b: b5 89 3d: 48 01 c8 add %rcx,%rax