rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (0 ticks this GP) idle=076c/1/0x4000000000000000 softirq=79824/79824 fqs=0
rcu: (detected by 0, t=10506 jiffies, g=70829, q=173 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 11230 Comm: syz.7.1462 Not tainted 6.13.0-rc1-syzkaller-00378-g62b5a46999c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__lock_acquire+0xcda/0x2100
Code: 0a 00 00 48 89 d8 48 c1 e8 03 48 89 44 24 58 80 3c 38 00 74 12 48 89 df e8 83 74 8c 00 48 bf 00 00 00 00 00 fc ff df 45 31 ff <48> 89 5c 24 28 4c 8b 33 48 83 7c 24 20 00 75 30 48 c7 c0 c0 c9 38
RSP: 0018:ffffc90000a188f0 EFLAGS: 00000046
RAX: 1ffff11004ed415a RBX: ffff8880276a0ad0 RCX: ffffffff817abe44
RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000
RBP: ffff8880276a0b08 R08: ffffffff94285887 R09: 1ffffffff2850b10
R10: dffffc0000000000 R11: fffffbfff2850b11 R12: ffff8880276a0ac4
R13: ffff8880276a0000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f5712eab6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000480 CR3: 0000000028402000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
debug_object_activate+0x17f/0x580 lib/debugobjects.c:818
debug_hrtimer_activate kernel/time/hrtimer.c:428 [inline]
debug_activate kernel/time/hrtimer.c:469 [inline]
enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1076
__run_hrtimer kernel/time/hrtimer.c:1756 [inline]
__hrtimer_run_queues+0x6cb/0xd30 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2061 [inline]
RIP: 0010:vprintk_emit+0x700/0xa10 kernel/printk/printk.c:2431
Code: 00 e8 e4 f4 20 00 4c 8d bc 24 a0 00 00 00 4d 85 e4 75 07 e8 d2 f4 20 00 eb 06 e8 cb f4 20 00 fb 49 bc 00 00 00 00 00 fc ff df <48> c7 c7 60 34 81 8e 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc90004f1fac0 EFLAGS: 00000293
RAX: ffffffff817e7cf5 RBX: 0000000000000000 RCX: ffff8880276a0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004f1fbd0 R08: ffffffff817e7cce R09: 1ffffffff2030476
R10: dffffc0000000000 R11: fffffbfff2030477 R12: dffffc0000000000
R13: 1ffff920009e3f5c R14: ffffffff817e7b30 R15: ffffc90004f1fb60
_printk+0xd5/0x120 kernel/printk/printk.c:2457
fail_dump lib/fault-inject.c:46 [inline]
should_fail_ex+0x391/0x4e0 lib/fault-inject.c:154
_inline_copy_to_user include/linux/uaccess.h:193 [inline]
_copy_to_user+0x31/0xb0 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:225 [inline]
__do_sys_clock_adjtime kernel/time/posix-timers.c:1179 [inline]
__se_sys_clock_adjtime kernel/time/posix-timers.c:1168 [inline]
__x64_sys_clock_adjtime+0x205/0x290 kernel/time/posix-timers.c:1168
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f571217fed9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5712eab058 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f5712345fa0 RCX: 00007f571217fed9
RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000000
RBP: 00007f5712eab0a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f5712345fa0 R15: 00007ffc57785268
rcu: rcu_preempt kthread starved for 10506 jiffies! g70829 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:25848 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 5940 Comm: kworker/0:7 Not tainted 6.13.0-rc1-syzkaller-00378-g62b5a46999c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_single+0x45f/0x1990 kernel/smp.c:679
Code: 17 27 0c 00 41 83 e4 01 75 16 e8 cc 22 0c 00 4d 89 fc 44 8b 7c 24 24 eb 46 e8 bd 22 0c 00 eb 3f 4d 89 fc 44 8b 7c 24 24 f3 90 <42> 0f b6 04 2b 84 c0 75 10 41 f7 06 01 00 00 00 74 1e e8 9a 22 0c
RSP: 0018:ffffc9000420e880 EFLAGS: 00000246
RAX: ffffffff81934f26 RBX: 1ffff92000841d2d RCX: 0000000000100000
RDX: ffffc90018e3e000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffffc9000420ea18 R08: ffffffff81934ee9 R09: 1ffffffff2030476
R10: dffffc0000000000 R11: ffffffff81492250 R12: 1ffff92000841d28
R13: dffffc0000000000 R14: ffffc9000420e968 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001850 CR3: 00000000307f8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_barrier+0x327/0x530 kernel/rcu/tree.c:4617
scsi_host_dev_release+0xb0/0x310 drivers/scsi/hosts.c:344
device_release+0x99/0x1c0
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x22f/0x480 lib/kobject.c:737
usb_stor_probe2+0x38a/0xd80 drivers/usb/storage/usb.c:1168
storage_probe+0x44e/0x1080 drivers/usb/storage/usb.c:1232
usb_probe_interface+0x641/0xbb0 drivers/usb/core/driver.c:396
really_probe+0x2b8/0xad0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
driver_probe_device+0x50/0x430 drivers/base/dd.c:830
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459
__device_attach+0x333/0x520 drivers/base/dd.c:1030
bus_probe_device+0x189/0x260 drivers/base/bus.c:534
device_add+0x856/0xbf0 drivers/base/core.c:3665
usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254
usb_probe_device+0x1b8/0x380 drivers/usb/core/driver.c:291
really_probe+0x2b8/0xad0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
driver_probe_device+0x50/0x430 drivers/base/dd.c:830
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459
__device_attach+0x333/0x520 drivers/base/dd.c:1030
bus_probe_device+0x189/0x260 drivers/base/bus.c:534
device_add+0x856/0xbf0 drivers/base/core.c:3665
usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2651
hub_port_connect drivers/usb/core/hub.c:5521 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2d6d/0x5150 drivers/usb/core/hub.c:5903
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [kworker/0:7:5940]
Modules linked in:
irq event stamp: 1605184
hardirqs last enabled at (1605183): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357
hardirqs last disabled at (1605184): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049
softirqs last enabled at (1605178): [] __do_softirq kernel/softirq.c:588 [inline]
softirqs last enabled at (1605178): [] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last enabled at (1605178): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655
softirqs last disabled at (1604975): [] __do_softirq kernel/softirq.c:588 [inline]
softirqs last disabled at (1604975): [] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last disabled at (1604975): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655
CPU: 0 UID: 0 PID: 5940 Comm: kworker/0:7 Not tainted 6.13.0-rc1-syzkaller-00378-g62b5a46999c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_single+0x45f/0x1990 kernel/smp.c:679
Code: 17 27 0c 00 41 83 e4 01 75 16 e8 cc 22 0c 00 4d 89 fc 44 8b 7c 24 24 eb 46 e8 bd 22 0c 00 eb 3f 4d 89 fc 44 8b 7c 24 24 f3 90 <42> 0f b6 04 2b 84 c0 75 10 41 f7 06 01 00 00 00 74 1e e8 9a 22 0c
RSP: 0018:ffffc9000420e880 EFLAGS: 00000246
RAX: ffffffff81934f26 RBX: 1ffff92000841d2d RCX: 0000000000100000
RDX: ffffc90018e3e000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffffc9000420ea18 R08: ffffffff81934ee9 R09: 1ffffffff2030476
R10: dffffc0000000000 R11: ffffffff81492250 R12: 1ffff92000841d28
R13: dffffc0000000000 R14: ffffc9000420e968 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001850 CR3: 00000000307f8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_barrier+0x327/0x530 kernel/rcu/tree.c:4617
scsi_host_dev_release+0xb0/0x310 drivers/scsi/hosts.c:344
device_release+0x99/0x1c0
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x22f/0x480 lib/kobject.c:737
usb_stor_probe2+0x38a/0xd80 drivers/usb/storage/usb.c:1168
storage_probe+0x44e/0x1080 drivers/usb/storage/usb.c:1232
usb_probe_interface+0x641/0xbb0 drivers/usb/core/driver.c:396
really_probe+0x2b8/0xad0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
driver_probe_device+0x50/0x430 drivers/base/dd.c:830
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459
__device_attach+0x333/0x520 drivers/base/dd.c:1030
bus_probe_device+0x189/0x260 drivers/base/bus.c:534
device_add+0x856/0xbf0 drivers/base/core.c:3665
usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254
usb_probe_device+0x1b8/0x380 drivers/usb/core/driver.c:291
really_probe+0x2b8/0xad0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
driver_probe_device+0x50/0x430 drivers/base/dd.c:830
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459
__device_attach+0x333/0x520 drivers/base/dd.c:1030
bus_probe_device+0x189/0x260 drivers/base/bus.c:534
device_add+0x856/0xbf0 drivers/base/core.c:3665
usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2651
hub_port_connect drivers/usb/core/hub.c:5521 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2d6d/0x5150 drivers/usb/core/hub.c:5903
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/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: 11230 Comm: syz.7.1462 Not tainted 6.13.0-rc1-syzkaller-00378-g62b5a46999c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:246 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x11/0x90 kernel/kcov.c:314
Code: 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 4c 8b 04 24 65 48 8b 14 25 80 d4 03 00 <65> 8b 05 70 5e 64 7e 25 00 01 ff 00 74 10 3d 00 01 00 00 75 5b 83
RSP: 0018:ffffc90000a18c68 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff8880276a0000
RDX: ffff8880276a0000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff89cd2bdb R09: fffff5200014317c
R10: dffffc0000000000 R11: fffff5200014317c R12: 0000000000000002
R13: ffffffff89cd2b20 R14: ffff88802d81f340 R15: ffff8880276a0ac8
FS: 00007f5712eab6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000480 CR3: 0000000028402000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
advance_sched+0xbb/0xca0 net/sched/sch_taprio.c:925
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2061 [inline]
RIP: 0010:vprintk_emit+0x700/0xa10 kernel/printk/printk.c:2431
Code: 00 e8 e4 f4 20 00 4c 8d bc 24 a0 00 00 00 4d 85 e4 75 07 e8 d2 f4 20 00 eb 06 e8 cb f4 20 00 fb 49 bc 00 00 00 00 00 fc ff df <48> c7 c7 60 34 81 8e 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc90004f1fac0 EFLAGS: 00000293
RAX: ffffffff817e7cf5 RBX: 0000000000000000 RCX: ffff8880276a0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004f1fbd0 R08: ffffffff817e7cce R09: 1ffffffff2030476
R10: dffffc0000000000 R11: fffffbfff2030477 R12: dffffc0000000000
R13: 1ffff920009e3f5c R14: ffffffff817e7b30 R15: ffffc90004f1fb60
_printk+0xd5/0x120 kernel/printk/printk.c:2457
fail_dump lib/fault-inject.c:46 [inline]
should_fail_ex+0x391/0x4e0 lib/fault-inject.c:154
_inline_copy_to_user include/linux/uaccess.h:193 [inline]
_copy_to_user+0x31/0xb0 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:225 [inline]
__do_sys_clock_adjtime kernel/time/posix-timers.c:1179 [inline]
__se_sys_clock_adjtime kernel/time/posix-timers.c:1168 [inline]
__x64_sys_clock_adjtime+0x205/0x290 kernel/time/posix-timers.c:1168
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f571217fed9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5712eab058 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f5712345fa0 RCX: 00007f571217fed9
RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000000
RBP: 00007f5712eab0a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f5712345fa0 R15: 00007ffc57785268