INFO: task syz-executor.4:7015 blocked for more than 143 seconds.
Not tainted 5.17.0-syzkaller-00192-geaa54b1458ca #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:26120 pid: 7015 ppid: 3650 flags:0x20004006
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
device_lock include/linux/device.h:767 [inline]
usbdev_release+0x83/0x4b0 drivers/usb/core/devio.c:1075
__fput+0x286/0x9f0 fs/file_table.c:317
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
exit_task_work include/linux/task_work.h:32 [inline]
do_exit+0xb29/0x2a30 kernel/exit.c:806
do_group_exit+0xd2/0x2f0 kernel/exit.c:935
get_signal+0x45a/0x2490 kernel/signal.c:2863
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
__do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6ea4549
RSP: 002b:00000000f585c57c EFLAGS: 00000246 ORIG_RAX: 0000000000000078
RAX: fffffffffffffffc RBX: 0000000040000000 RCX: 0000000020000280
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.0:7021 blocked for more than 143 seconds.
Not tainted 5.17.0-syzkaller-00192-geaa54b1458ca #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28016 pid: 7021 ppid: 3644 flags:0x20000004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
device_lock include/linux/device.h:767 [inline]
usbdev_release+0x83/0x4b0 drivers/usb/core/devio.c:1075
__fput+0x286/0x9f0 fs/file_table.c:317
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:188 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
__do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6eec549
RSP: 002b:00000000f757db20 EFLAGS: 00000286 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 00000000f7024000 RDI: 00000000000364d4
RBP: 00000000f704a0a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.5:7040 blocked for more than 143 seconds.
Not tainted 5.17.0-syzkaller-00192-geaa54b1458ca #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28424 pid: 7040 ppid: 3648 flags:0x20004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
device_lock include/linux/device.h:767 [inline]
usbdev_open+0x19d/0x920 drivers/usb/core/devio.c:1030
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_compat_sys_openat fs/open.c:1290 [inline]
__se_compat_sys_openat fs/open.c:1288 [inline]
__ia32_compat_sys_openat+0x13f/0x1f0 fs/open.c:1288
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6eed549
RSP: 002b:00000000f58c6170 EFLAGS: 00000286 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000f58c61c0
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00000000f7025000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.2:7048 blocked for more than 144 seconds.
Not tainted 5.17.0-syzkaller-00192-geaa54b1458ca #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28424 pid: 7048 ppid: 3647 flags:0x20000004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
device_lock include/linux/device.h:767 [inline]
usbdev_open+0x19d/0x920 drivers/usb/core/devio.c:1030
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_compat_sys_openat fs/open.c:1290 [inline]
__se_compat_sys_openat fs/open.c:1288 [inline]
__ia32_compat_sys_openat+0x13f/0x1f0 fs/open.c:1288
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6f46549
RSP: 002b:00000000f591f170 EFLAGS: 00000286 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000f591f1c0
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00000000f707e000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Showing all locks held in the system:
5 locks held by kworker/u4:1/10:
1 lock held by khungtaskd/27:
#0: ffffffff8bb84e60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3279:
#0: ffff88814b2fc098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2075
5 locks held by kworker/0:4/3678:
#0: ffff8880133abd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880133abd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880133abd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8880133abd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff8880133abd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff8880133abd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90002b7fdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5688
#3: ffff88801da66580 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3091 [inline]
#3: ffff88801da66580 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5254 [inline]
#3: ffff88801da66580 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
#3: ffff88801da66580 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5660 [inline]
#3: ffff88801da66580 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1fba/0x44d0 drivers/usb/core/hub.c:5742
#4: ffff88801c871268 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5255 [inline]
#4: ffff88801c871268 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
#4: ffff88801c871268 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5660 [inline]
#4: ffff88801c871268 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1fe3/0x44d0 drivers/usb/core/hub.c:5742
1 lock held by syz-executor.4/7015:
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x83/0x4b0 drivers/usb/core/devio.c:1075
1 lock held by syz-executor.0/7021:
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x83/0x4b0 drivers/usb/core/devio.c:1075
1 lock held by syz-executor.5/7040:
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x19d/0x920 drivers/usb/core/devio.c:1030
1 lock held by syz-executor.2/7048:
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x19d/0x920 drivers/usb/core/devio.c:1030
1 lock held by syz-executor.4/7119:
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#0: ffff88801da62220 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x19d/0x920 drivers/usb/core/devio.c:1030
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.17.0-syzkaller-00192-geaa54b1458ca #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__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+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3817 Comm: kworker/u4:6 Not tainted 5.17.0-syzkaller-00192-geaa54b1458ca #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy9 ieee80211_iface_work
RIP: 0010:unwind_next_frame+0x18a/0x1ce0 arch/x86/kernel/unwind_orc.c:443
Code: 48 c1 ea 03 80 3c 02 00 0f 85 d0 14 00 00 41 f6 85 88 00 00 00 03 0f 85 ce 02 00 00 4d 8d 6e 35 48 b8 00 00 00 00 00 fc ff df <4c> 89 ea 48 c1 ea 03 0f b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84
RSP: 0018:ffffc9000ab57700 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 1ffff9200156aee8 RCX: 1ffffffff20a2720
RDX: 1ffff9200156af05 RSI: 0000000000000000 RDI: ffff88804a0e4e58
RBP: 0000000000000001 R08: ffffffff8e858f46 R09: 0000000000000001
R10: fffff5200156af06 R11: 0000000000088078 R12: ffffc9000ab57820
R13: ffffc9000ab5780d R14: ffffc9000ab577d8 R15: ffff888077e9c800
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000a4d000 CR3: 000000000b88e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
kasan_set_track+0x21/0x30 mm/kasan/common.c:45
kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
____kasan_slab_free mm/kasan/common.c:366 [inline]
____kasan_slab_free+0x126/0x160 mm/kasan/common.c:328
kasan_slab_free include/linux/kasan.h:215 [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+0xd0/0x390 mm/slub.c:4562
skb_free_head net/core/skbuff.c:655 [inline]
skb_release_data+0x630/0x760 net/core/skbuff.c:677
skb_release_all net/core/skbuff.c:742 [inline]
__kfree_skb net/core/skbuff.c:756 [inline]
kfree_skb_reason.part.0+0xc3/0x2f0 net/core/skbuff.c:776
kfree_skb_reason+0x85/0x110 include/linux/refcount.h:279
kfree_skb include/linux/skbuff.h:1114 [inline]
ieee80211_iface_work+0x413/0xd00 net/mac80211/iface.c:1583
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 48 c1 ea 03 shr $0x3,%rdx
4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
8: 0f 85 d0 14 00 00 jne 0x14de
e: 41 f6 85 88 00 00 00 testb $0x3,0x88(%r13)
15: 03
16: 0f 85 ce 02 00 00 jne 0x2ea
1c: 4d 8d 6e 35 lea 0x35(%r14),%r13
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 4c 89 ea mov %r13,%rdx <-- trapping instruction
2d: 48 c1 ea 03 shr $0x3,%rdx
31: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax
35: 4c 89 ea mov %r13,%rdx
38: 83 e2 07 and $0x7,%edx
3b: 38 d0 cmp %dl,%al
3d: 7f 08 jg 0x47
3f: 84 .byte 0x84