INFO: task kworker/0:6:5356 blocked for more than 143 seconds.
Not tainted 6.13.0-rc1-syzkaller-gd8d936c51388 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6 state:D stack:21152 pid:5356 tgid:5356 ppid:2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x102c/0x34b0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
lbs_wait_for_firmware_load+0x11a/0x1c0 drivers/net/wireless/marvell/libertas/firmware.c:116
lbs_remove_card+0x84/0x3a0 drivers/net/wireless/marvell/libertas/main.c:996
if_usb_disconnect+0xaf/0x2e0 drivers/net/wireless/marvell/libertas/if_usb.c:316
usb_unbind_interface+0x1e2/0x960 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:569 [inline]
device_remove+0x122/0x170 drivers/base/dd.c:561
__device_release_driver drivers/base/dd.c:1273 [inline]
device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296
usb_driver_release_interface drivers/usb/core/driver.c:640 [inline]
usb_forced_unbind_intf+0x144/0x220 drivers/usb/core/driver.c:1134
usb_reset_device+0x436/0xa80 drivers/usb/core/hub.c:6309
if_usb_reset_device.isra.0+0x215/0x280 drivers/net/wireless/marvell/libertas/if_usb.c:400
if_usb_prog_firmware+0x62e/0x1030 drivers/net/wireless/marvell/libertas/if_usb.c:877
lbs_fw_loaded drivers/net/wireless/marvell/libertas/firmware.c:23 [inline]
helper_firmware_cb drivers/net/wireless/marvell/libertas/firmware.c:80 [inline]
helper_firmware_cb+0x1f8/0x2a0 drivers/net/wireless/marvell/libertas/firmware.c:64
request_firmware_work_func+0x13a/0x250 drivers/base/firmware_loader/main.c:1196
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Showing all locks held in the system:
5 locks held by kworker/1:0/24:
#0: ffff8881062fad48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3204
#1: ffffc9000019fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88810af28190 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff88810af28190 (&dev->mutex){....}-{4:4}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
#3: ffff88811ee85190 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff88811ee85190 (&dev->mutex){....}-{4:4}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295
#4:
ffff88811f54e160 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
ffff88811f54e160 (&dev->mutex){....}-{4:4}, at: device_del+0xa1/0x9f0 drivers/base/core.c:3816
1 lock held by khungtaskd/30:
#0: ffffffff88ebc400 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff88ebc400 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff88ebc400 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744
3 locks held by kworker/u8:2/36:
#0: ffff888100abb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90000267d80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffffffff8a1853d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbb/0xb40 net/core/net_namespace.c:586
2 locks held by getty/2902:
#0: ffff8881151080a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
5 locks held by kworker/0:3/5221:
#0: ffff8881062fad48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3204
#1:
ffffc900020cfd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88810b707190 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff88810b707190 (&dev->mutex){....}-{4:4}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
#3: ffff88810b792508 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3206 [inline]
#3: ffff88810b792508 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5418 [inline]
#3: ffff88810b792508 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
#3: ffff88810b792508 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5821 [inline]
#3: ffff88810b792508 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x28aa/0x4f40 drivers/usb/core/hub.c:5903
#4: ffff88810b71b268 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5419 [inline]
#4: ffff88810b71b268 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
#4: ffff88810b71b268 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5821 [inline]
#4: ffff88810b71b268 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x28d0/0x4f40 drivers/usb/core/hub.c:5903
3 locks held by kworker/0:6/5356:
#0: ffff888100080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90001fbfd80 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88811f54e160 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff88811f54e160 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#2: ffff88811f54e160 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293
6 locks held by kworker/0:0/8402:
2 locks held by kworker/1:5/21974:
#0: ffff888100080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3204
#1: ffffc900060f7d80 (free_ipc_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
1 lock held by syz.3.3477/22837:
#0: ffffffff88ec7d38 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
1 lock held by syz.4.3479/22842:
#0: ffffffff88ec7d38 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-gd8d936c51388 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xf14/0x1240 kernel/hung_task.c:397
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 13849 Comm: kworker/1:7 Not tainted 6.13.0-rc1-syzkaller-gd8d936c51388 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events drain_vmap_area_work
RIP: 0010:_raw_spin_lock+0x5/0x40 kernel/locking/spinlock.c:153
Code: 89 df 5b 5d 31 f6 e9 da b3 af fb cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 53 <48> 89 fb bf 01 00 00 00 e8 4e 1f 3a fa 45 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc9001356fa10 EFLAGS: 00000206
RAX: 0000000126dfc000 RBX: ffff888126dfc000 RCX: ffffffff81a31696
RDX: ffff888000000000 RSI: fffff52001abd000 RDI: ffffffff89049530
RBP: ffff88812d1ec5e8 R08: 0000000000000007 R09: 0000000000000000
R10: 8000000126dfc003 R11: 0000000000000000 R12: ffffffff81b56680
R13: 8000000126dfc003 R14: fffff52001abd000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f55ccff7d60 CR3: 00000001166d0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
spin_lock include/linux/spinlock.h:351 [inline]
kasan_depopulate_vmalloc_pte+0x45/0x80 mm/kasan/shadow.c:404
apply_to_pte_range mm/memory.c:2831 [inline]
apply_to_pmd_range mm/memory.c:2875 [inline]
apply_to_pud_range mm/memory.c:2911 [inline]
apply_to_p4d_range mm/memory.c:2947 [inline]
__apply_to_page_range+0x5fd/0xd30 mm/memory.c:2981
kasan_release_vmalloc+0xd1/0xe0 mm/kasan/shadow.c:529
kasan_release_vmalloc_node mm/vmalloc.c:2196 [inline]
purge_vmap_node+0x1d1/0xa40 mm/vmalloc.c:2213
__purge_vmap_area_lazy+0x9bf/0xc10 mm/vmalloc.c:2304
drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2338
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244