rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=eb84/1/0x4000000000000000 softirq=26648/26649 fqs=5
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5835/1:b..l
rcu: 	(detected by 1, t=10505 jiffies, g=25597, q=433 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 9024 Comm: syz.2.1185 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:lock_release+0xc/0xa30 kernel/locking/lockdep.c:5857
Code: d4 b3 19 90 e8 d5 05 8b 00 e9 99 f5 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 83 e4 e0 48 81 ec 00 01 00 00 49 89 f5 48 89 7c
RSP: 0018:ffffc90000007b20 EFLAGS: 00000086
RAX: f3f3f300f1f1f1f1 RBX: ffffffff9a67f660 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff84c8ac17 RDI: ffffffff9a67f678
RBP: ffffc90000007b30 R08: 0000000000000003 R09: fffff52000000f58
R10: dffffc0000000000 R11: fffff52000000f58 R12: dffffc0000000000
R13: 1ffff92000000f68 R14: ffffc90000007b60 R15: 0000000000000046
FS:  00007f9c778486c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020027000 CR3: 000000007fac2000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
 _raw_spin_unlock_irqrestore+0x79/0x140 kernel/locking/spinlock.c:194
 debug_object_activate+0x3f7/0x580 lib/debugobjects.c:836
 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+0x112/0x420 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:migrate_enable+0x375/0x510 kernel/sched/core.c:2413
Code: 00 00 4c 8d 34 dd 50 5b 2e 8e 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 65 fa 97 00 48 c7 c3 90 f6 03 00 49 03 1e <48> 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 0d 01 00 00 ff 0b
RSP: 0018:ffffc9000375fa40 EFLAGS: 00000286
RAX: 1ffffffff1c5cb6a RBX: ffff8880b863f690 RCX: dffffc0000000000
RDX: ffff8880357c4040 RSI: ffffffff8c5fb0c0 RDI: ffffffff8c5fb080
RBP: ffffc9000375fb48 R08: ffffffff90198137 R09: 1ffffffff2033026
R10: dffffc0000000000 R11: fffffbfff2033027 R12: dffffc0000000000
R13: ffff8880357c4030 R14: ffffffff8e2e5b50 R15: 1ffff920006ebf50
 bpf_enable_instrumentation include/linux/bpf.h:2253 [inline]
 bpf_map_update_value+0x3cc/0x5c0 kernel/bpf/syscall.c:295
 generic_map_update_batch+0x60d/0x900 kernel/bpf/syscall.c:1950
 bpf_map_do_batch+0x39c/0x660 kernel/bpf/syscall.c:5298
 __sys_bpf+0x377/0x810
 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5895 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895
 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: 0033:0x7f9c76985d29
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:00007f9c77848038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f9c76b75fa0 RCX: 00007f9c76985d29
RDX: 0000000000000038 RSI: 0000000020000200 RDI: 000000000000001a
RBP: 00007f9c76a01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9c76b75fa0 R15: 00007ffd54acc318
 </TASK>
task:syz-executor    state:R  running task     stack:14096 pid:5835  tgid:5835  ppid:5831   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6935
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6959
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 copy_pte_range mm/memory.c:1200 [inline]
 copy_pmd_range+0x6dc8/0x77a0 mm/memory.c:1261
 copy_pud_range mm/memory.c:1298 [inline]
 copy_p4d_range mm/memory.c:1322 [inline]
 copy_page_range+0x99f/0xe90 mm/memory.c:1420
 dup_mmap kernel/fork.c:748 [inline]
 dup_mm kernel/fork.c:1691 [inline]
 copy_mm+0x1126/0x1fd0 kernel/fork.c:1743
 copy_process+0x1845/0x3d50 kernel/fork.c:2394
 kernel_clone+0x226/0x8e0 kernel/fork.c:2806
 __do_sys_clone kernel/fork.c:2949 [inline]
 __se_sys_clone kernel/fork.c:2933 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2933
 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: 0033:0x7ff73217c593
RSP: 002b:00007fffbfa176b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff73217c593
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 000055558b7617d0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000003244d R14: 00007fffbfa17840 R15: 00000000000000c2
 </TASK>
rcu: rcu_preempt kthread starved for 10480 jiffies! g25597 f0x0 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:25328 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 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+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/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:
CPU: 1 UID: 0 PID: 9033 Comm: syz.0.1190 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x19f3/0x2c60 kernel/smp.c:884
Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 56 e9 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 01 e5 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 e5 e4
RSP: 0018:ffffc90002f6f6a0 EFLAGS: 00000246
RAX: ffffffff81939f3b RBX: 1ffff110170c8c89 RCX: 0000000000080000
RDX: ffffc90004c9a000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90002f6f888 R08: ffffffff81939f0a R09: 1ffffffff2854936
R10: dffffc0000000000 R11: fffffbfff2854937 R12: dffffc0000000000
R13: ffff8880b8646448 R14: ffff8880b873fac0 R15: 0000000000000000
FS:  00007f65ae8f76c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556ac78808 CR3: 0000000024d2a000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051
 kill_bdev block/bdev.c:90 [inline]
 set_blocksize+0x2e5/0x360 block/bdev.c:172
 sb_set_blocksize+0x47/0xf0 block/bdev.c:181
 udf_load_vrs+0xe6/0x1130 fs/udf/super.c:1998
 udf_fill_super+0x5eb/0x1ed0 fs/udf/super.c:2192
 get_tree_bdev_flags+0x48e/0x5c0 fs/super.c:1636
 vfs_get_tree+0x92/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034
 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: 0033:0x7f65adb874ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f65ae8f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f65ae8f6ef0 RCX: 00007f65adb874ca
RDX: 0000000020000c40 RSI: 0000000020000c80 RDI: 00007f65ae8f6eb0
RBP: 0000000020000c40 R08: 00007f65ae8f6ef0 R09: 0000000002000000
R10: 0000000002000000 R11: 0000000000000246 R12: 0000000020000c80
R13: 00007f65ae8f6eb0 R14: 0000000000000c3c R15: 0000000020000500
 </TASK>