INFO: task syz-executor.4:1108 blocked for more than 143 seconds.
Not tainted 5.16.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29288 pid: 1108 ppid: 966 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4f00 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1142
__down_write_common kernel/locking/rwsem.c:1259 [inline]
__down_write_common kernel/locking/rwsem.c:1256 [inline]
__down_write kernel/locking/rwsem.c:1268 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1515
inode_lock include/linux/fs.h:784 [inline]
open_last_lookups fs/namei.c:3347 [inline]
path_openat+0x94b/0x2940 fs/namei.c:3556
do_filp_open+0x1aa/0x400 fs/namei.c:3586
do_sys_openat2+0x16d/0x4d0 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_sys_open fs/open.c:1238 [inline]
__se_sys_open fs/open.c:1234 [inline]
__x64_sys_open+0x119/0x1c0 fs/open.c:1234
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0f8ed3deb9
RSP: 002b:00007f0f8d62f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f0f8ee512a0 RCX: 00007f0f8ed3deb9
RDX: 000000000000007a RSI: 00000000001401c3 RDI: 00000000200000c0
RBP: 00007f0f8ed9808d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc18d2143f R14: 00007f0f8d62f300 R15: 0000000000022000
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb851e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3284:
#0: ffff8880239ef098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b962e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077
1 lock held by syz-executor.4/1107:
2 locks held by syz-executor.4/1108:
#0: ffff88803406e460 (sb_writers#14){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3339 [inline]
#0: ffff88803406e460 (sb_writers#14){.+.+}-{0:0}, at: path_openat+0x28d1/0x2940 fs/namei.c:3556
#1: ffff88803887a170 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:784 [inline]
#1: ffff88803887a170 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: open_last_lookups fs/namei.c:3347 [inline]
#1: ffff88803887a170 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: path_openat+0x94b/0x2940 fs/namei.c:3556
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:295
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 20517 Comm: kworker/u4:12 Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy9 ieee80211_iface_work
RIP: 0010:__orc_find+0x45/0xf0 arch/x86/kernel/unwind_orc.c:49
Code: 00 00 4c 39 e7 49 89 fd 0f 87 9a 00 00 00 49 bf 00 00 00 00 00 fc ff df 49 89 fe 48 89 fd eb 0c 48 8d 6b 04 49 89 de 49 39 ec <72> 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0
RSP: 0018:ffffc90011b4f410 EFLAGS: 00000297
RAX: ffffffff889ab3d9 RBX: ffffffff8dfefc88 RCX: ffffffff889abda8
RDX: 0000000000000000 RSI: ffffffff8e9d196e RDI: ffffffff8dfefc88
RBP: ffffffff8dfefc8c R08: ffffffff8e9d196e R09: 0000000000000001
R10: fffff52002369eb1 R11: 000000000008808a R12: ffffffff8dfefc88
R13: ffffffff8dfefc88 R14: ffffffff8dfefc88 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c01473ebc0 CR3: 000000001cc79000 CR4: 0000000000350ef0
Call Trace:
<TASK>
orc_find arch/x86/kernel/unwind_orc.c:173 [inline]
unwind_next_frame+0x32a/0x1ce0 arch/x86/kernel/unwind_orc.c:443
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
kasan_set_track+0x21/0x30 mm/kasan/common.c:46
kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
____kasan_slab_free mm/kasan/common.c:367 [inline]
____kasan_slab_free+0x130/0x160 mm/kasan/common.c:329
kasan_slab_free include/linux/kasan.h:236 [inline]
slab_free_hook mm/slub.c:1728 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1754
slab_free mm/slub.c:3509 [inline]
kfree+0xcb/0x280 mm/slub.c:4562
ieee802_11_parse_elems_crc+0xb15/0x1050 net/mac80211/util.c:1535
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2228 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline]
ieee80211_ibss_rx_queued_mgmt+0xd0e/0x3150 net/mac80211/ibss.c:1639
ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline]
ieee80211_iface_work+0xa69/0xd00 net/mac80211/iface.c:1581
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 4c 39 e7 cmp %r12,%rdi
5: 49 89 fd mov %rdi,%r13
8: 0f 87 9a 00 00 00 ja 0xa8
e: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15
15: fc ff df
18: 49 89 fe mov %rdi,%r14
1b: 48 89 fd mov %rdi,%rbp
1e: eb 0c jmp 0x2c
20: 48 8d 6b 04 lea 0x4(%rbx),%rbp
24: 49 89 de mov %rbx,%r14
27: 49 39 ec cmp %rbp,%r12
* 2a: 72 4d jb 0x79 <-- trapping instruction
2c: 4c 89 e0 mov %r12,%rax
2f: 48 29 e8 sub %rbp,%rax
32: 48 89 c2 mov %rax,%rdx
35: 48 c1 e8 3f shr $0x3f,%rax
39: 48 c1 fa 02 sar $0x2,%rdx
3d: 48 01 d0 add %rdx,%rax