rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=69881, q=153 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295013935-4295003433), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g69881 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:27664 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6746
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6838
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2582
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202
 kthread+0x2c1/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12118 Comm: syz-executor.0 Not tainted 6.9.0-syzkaller-00967-gcd97950cbcab #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x111/0x1a0 mm/kasan/generic.c:189
Code: 44 89 c2 e8 e1 ea ff ff 83 f0 01 5b 5d 41 5c c3 cc cc cc cc 48 85 d2 74 4f 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 41 80 38 00 <74> f2 eb b2 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c 48 83 c0
RSP: 0018:ffffc90000a18cc8 EFLAGS: 00000046
RAX: ffffed100f0c805d RBX: ffffed100f0c805e RCX: ffffffff816c603e
RDX: ffffed100f0c805e RSI: 0000000000000004 RDI: ffff8880786402e8
RBP: ffffed100f0c805d R08: 0000000000000001 R09: ffffed100f0c805d
R10: ffff8880786402eb R11: 0000000000000002 R12: ffff8880786402f0
R13: ffff8880786402f8 R14: ffff888078640340 R15: ffffffff88eeae10
FS:  00007f3c0e2116c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020007000 CR3: 000000006aae0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1300 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
 do_raw_spin_lock+0x11e/0x2c0 kernel/locking/spinlock_debug.c:116
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xd8/0xc60 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0xa19/0xd70 kernel/printk/printk.c:2985
Code: e8 7c 21 26 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 ba 01 1f 00 48 85 db 0f 85 8b 01 00 00 e8 9c 06 1f 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 a9 02 00 00 41
RSP: 0018:ffffc900035877f0 EFLAGS: 00000287
RAX: fffff520006b0f25 RBX: 0000000000000000 RCX: ffffc9000c4e9000
RDX: 0000000000040000 RSI: ffffffff816ecde4 RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000200
R13: ffffffff8e5b3af8 R14: ffffffff8e5b3aa0 R15: ffffc90003587928
 console_unlock+0xae/0x290 kernel/printk/printk.c:3048
 vprintk_emit kernel/printk/printk.c:2348 [inline]
 vprintk_emit+0x11a/0x5a0 kernel/printk/printk.c:2303
 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2373
 logfc+0x458/0x650 fs/fs_context.c:449
 vfs_parse_fs_param+0x2f8/0x3c0 fs/fs_context.c:158
 vfs_parse_fs_string+0xea/0x150 fs/fs_context.c:188
 vfs_parse_monolithic_sep+0x175/0x1f0 fs/fs_context.c:230
 do_new_mount fs/namespace.c:3348 [inline]
 path_mount+0x149f/0x1f20 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __x64_sys_mount+0x297/0x320 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3c0d47f46a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3c0e210ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3c0e210f80 RCX: 00007f3c0d47f46a
RDX: 0000000020000180 RSI: 0000000020000140 RDI: 00007f3c0e210f40
RBP: 0000000020000180 R08: 00007f3c0e210f80 R09: 0000000001000801
R10: 0000000001000801 R11: 0000000000000202 R12: 0000000020000140
R13: 00007f3c0e210f40 R14: 00000000000001e8 R15: 0000000020000840
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor.4:12072]
Modules linked in:
irq event stamp: 1319712
hardirqs last  enabled at (1319711): [<ffffffff8adbda1b>] irqentry_exit+0x3b/0x90 kernel/entry/common.c:357
hardirqs last disabled at (1319712): [<ffffffff8adbc1fe>] sysvec_apic_timer_interrupt+0xe/0xb0 arch/x86/kernel/apic/apic.c:1043
softirqs last  enabled at (1319708): [<ffffffff815220fe>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (1319708): [<ffffffff815220fe>] handle_softirqs+0x5be/0x8f0 kernel/softirq.c:582
softirqs last disabled at (1319459): [<ffffffff81522ecb>] __do_softirq kernel/softirq.c:588 [inline]
softirqs last disabled at (1319459): [<ffffffff81522ecb>] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last disabled at (1319459): [<ffffffff81522ecb>] __irq_exit_rcu kernel/softirq.c:637 [inline]
softirqs last disabled at (1319459): [<ffffffff81522ecb>] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
CPU: 0 PID: 12072 Comm: syz-executor.4 Not tainted 6.9.0-syzkaller-00967-gcd97950cbcab #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x4f1/0x1420 kernel/smp.c:855
Code: 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 5b 07 0c 00 f3 90 41 0f b6 04 24 40 38 c5 7c 08 <84> c0 0f 85 f7 0c 00 00 8b 43 08 31 ff 83 e0 01 41 89 c5 89 c6 e8
RSP: 0018:ffffc900036c75f0 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffff8880b9544700 RCX: ffffc900107fb000
RDX: 0000000000040000 RSI: ffffffff8181cd25 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffed10172a88e1
R13: 0000000000000001 R14: ffff8880b9544708 R15: ffff8880b943fc00
FS:  00007fdf8962d6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003c80 CR3: 0000000078e88000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1023
 __purge_vmap_area_lazy+0x4f5/0xc10 mm/vmalloc.c:2245
 _vm_unmap_aliases+0x29c/0xbd0 mm/vmalloc.c:2843
 change_page_attr_set_clr+0x24c/0x490 arch/x86/mm/pat/set_memory.c:1842
 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1890 [inline]
 set_memory_ro+0x7c/0xb0 arch/x86/mm/pat/set_memory.c:2076
 bpf_prog_lock_ro include/linux/filter.h:895 [inline]
 bpf_prog_select_runtime+0x4fb/0x640 kernel/bpf/core.c:2406
 bpf_prog_load+0xf0f/0x2660 kernel/bpf/syscall.c:2899
 __sys_bpf+0x9b4/0x4b40 kernel/bpf/syscall.c:5660
 __do_sys_bpf kernel/bpf/syscall.c:5767 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5765 [inline]
 __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5765
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdf8887dd69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdf8962d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fdf889abf80 RCX: 00007fdf8887dd69
RDX: 0000000000000090 RSI: 0000000020000280 RDI: 0000000000000005
RBP: 00007fdf888ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fdf889abf80 R15: 00007ffcafce23c8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12118 Comm: syz-executor.0 Not tainted 6.9.0-syzkaller-00967-gcd97950cbcab #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:separate_irq_context kernel/locking/lockdep.c:4628 [inline]
RIP: 0010:__lock_acquire+0xaa3/0x3b30 kernel/locking/lockdep.c:5121
Code: 04 80 48 8d 6c c6 d8 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 21 48 89 fa 48 c1 ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 <84> c0 0f 85 e6 28 00 00 49 8d 7e 21 0f b6 6d 21 48 b8 00 00 00 00
RSP: 0018:ffffc90000a18a98 EFLAGS: 00000097
RAX: 0000000000000000 RBX: d6bf87c490213bdc RCX: ffffffff816bb5ca
RDX: 0000000000000001 RSI: ffff88807ae228d8 RDI: ffff88807ae22949
RBP: ffff88807ae22928 R08: 0000000000000000 R09: fffffbfff27fca30
R10: ffffffff93fe5187 R11: 0000000000000003 R12: ffffed100f5c451a
R13: ffff88807ae228d8 R14: ffff88807ae22950 R15: 0000000000000002
FS:  00007f3c0e2116c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020007000 CR3: 000000006aae0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
 debug_object_activate+0x199/0x540 lib/debugobjects.c:708
 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
 debug_activate kernel/time/hrtimer.c:478 [inline]
 enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1090
 __run_hrtimer kernel/time/hrtimer.c:1709 [inline]
 __hrtimer_run_queues+0xaac/0xcc0 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0xa19/0xd70 kernel/printk/printk.c:2985
Code: e8 7c 21 26 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 ba 01 1f 00 48 85 db 0f 85 8b 01 00 00 e8 9c 06 1f 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 a9 02 00 00 41
RSP: 0018:ffffc900035877f0 EFLAGS: 00000287
RAX: fffff520006b0f25 RBX: 0000000000000000 RCX: ffffc9000c4e9000
RDX: 0000000000040000 RSI: ffffffff816ecde4 RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000200
R13: ffffffff8e5b3af8 R14: ffffffff8e5b3aa0 R15: ffffc90003587928
 console_unlock+0xae/0x290 kernel/printk/printk.c:3048
 vprintk_emit kernel/printk/printk.c:2348 [inline]
 vprintk_emit+0x11a/0x5a0 kernel/printk/printk.c:2303
 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2373
 logfc+0x458/0x650 fs/fs_context.c:449
 vfs_parse_fs_param+0x2f8/0x3c0 fs/fs_context.c:158
 vfs_parse_fs_string+0xea/0x150 fs/fs_context.c:188
 vfs_parse_monolithic_sep+0x175/0x1f0 fs/fs_context.c:230
 do_new_mount fs/namespace.c:3348 [inline]
 path_mount+0x149f/0x1f20 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __x64_sys_mount+0x297/0x320 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3c0d47f46a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3c0e210ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3c0e210f80 RCX: 00007f3c0d47f46a
RDX: 0000000020000180 RSI: 0000000020000140 RDI: 00007f3c0e210f40
RBP: 0000000020000180 R08: 00007f3c0e210f80 R09: 0000000001000801
R10: 0000000001000801 R11: 0000000000000202 R12: 0000000020000140
R13: 00007f3c0e210f40 R14: 00000000000001e8 R15: 0000000020000840
 </TASK>