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.2:1568 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.2 D27920 1568 29328 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: 0033:0x7f0fca60fae9
Code: Bad RIP value.
RSP: 002b:00007f0fc7b64188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f0fca723020 RCX: 00007f0fca60fae9
RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f0fca669f6d R08: 0000000020000300 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc8f1bfef R14: 00007f0fc7b64300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/1570:
#0: 00000000b3a55ff7 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by in:imklog/7798:
#0: 000000002832a01b (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
2 locks held by agetty/17433:
#0: 00000000c40e128c (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272
#1: 00000000dda25cfe (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154
2 locks held by syz-executor.2/1517:
#0: 000000006b890c8e (sb_writers#26){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline]
#0: 000000006b890c8e (sb_writers#26){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360
#1: 0000000043f9fbfc (&sb->s_type->i_mutex_key#34){++++}, at: inode_lock include/linux/fs.h:748 [inline]
#1: 0000000043f9fbfc (&sb->s_type->i_mutex_key#34){++++}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:254
1 lock held by syz-executor.2/1568:
#0: 0000000043f9fbfc (&sb->s_type->i_mutex_key#34){++++}, at: inode_lock include/linux/fs.h:748 [inline]
#0: 0000000043f9fbfc (&sb->s_type->i_mutex_key#34){++++}, at: lock_mount+0xcc/0x4a0 fs/namespace.c:2075
1 lock held by systemd-tmpfile/1638:
#0: 0000000083904da7 (&type->i_mutex_dir_key#3){++++}, at: iterate_dir+0xd2/0x5c0 fs/readdir.c:41
=============================================
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: 7 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0x995/0x3ff0 kernel/locking/lockdep.c:3442
Code: 74 08 3c 03 0f 8e 98 25 00 00 41 8b 85 80 08 00 00 83 c0 01 83 f8 2f 41 89 85 80 08 00 00 0f 87 cb 07 00 00 3b 05 6b 72 46 0b <41> bf 01 00 00 00 0f 86 e8 f7 ff ff 89 05 59 72 46 0b e9 dd f7 ff
RSP: 0018:ffff8880b5a47a68 EFLAGS: 00000093
RAX: 0000000000000003 RBX: a6f1d9c08eafd477 RCX: c2cc60ee0328b757
RDX: 1ffff11016b46d48 RSI: 000000005a4ba51f RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000e9a03af8 R09: 0000000000000002
R10: ffff8880b5a36a98 R11: 0000000000000000 R12: c2cc60ee0328b757
R13: ffff8880b5a361c0 R14: ffff8880b5a36ab0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc37de7a000 CR3: 00000000af105000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline]
batadv_nc_worker+0x12d/0xd50 net/batman-adv/network-coding.c:730
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
----------------
Code disassembly (best guess):
0: 74 08 je 0xa
2: 3c 03 cmp $0x3,%al
4: 0f 8e 98 25 00 00 jle 0x25a2
a: 41 8b 85 80 08 00 00 mov 0x880(%r13),%eax
11: 83 c0 01 add $0x1,%eax
14: 83 f8 2f cmp $0x2f,%eax
17: 41 89 85 80 08 00 00 mov %eax,0x880(%r13)
1e: 0f 87 cb 07 00 00 ja 0x7ef
24: 3b 05 6b 72 46 0b cmp 0xb46726b(%rip),%eax # 0xb467295
* 2a: 41 bf 01 00 00 00 mov $0x1,%r15d <-- trapping instruction
30: 0f 86 e8 f7 ff ff jbe 0xfffff81e
36: 89 05 59 72 46 0b mov %eax,0xb467259(%rip) # 0xb467295
3c: e9 .byte 0xe9
3d: dd f7 (bad)
3f: ff .byte 0xff