rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=8dc4/1/0x4000000000000000 softirq=60142/60142 fqs=0
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P4446/1:b..l
rcu: 	(detected by 0, t=10506 jiffies, g=86253, q=147 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 16653 Comm: syz-executor.2 Not tainted 6.4.0-rc4-syzkaller-00265-g4ecd704a4c51 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:kasan_check_range+0x1a/0x190 mm/kasan/generic.c:186
Code: c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 66 0f 1f 00 48 85 f6 0f 84 3c 01 00 00 49 89 f9 41 54 44 0f b6 c2 49 01 f1 55 <53> 0f 82 18 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 0f 86
RSP: 0018:ffffc900003e8ca0 EFLAGS: 00000086
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff816508f5
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e79b910
RBP: 1ffff9200007d199 R08: 0000000000000000 R09: ffffffff8e79b918
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888049967300
R13: 0000000000000000 R14: ffff888018b03910 R15: ffff88802c007400
FS:  0000555556374400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007febfcfa8000 CR3: 0000000016749000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 cpumask_test_cpu include/linux/cpumask.h:504 [inline]
 cpu_online include/linux/cpumask.h:1082 [inline]
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0xa5/0x670 kernel/locking/lockdep.c:5716
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x16/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:390 [inline]
 advance_sched+0x674/0xd20 net/sched/sch_taprio.c:986
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x5fa/0xbe0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:mas_validate_limits lib/maple_tree.c:7121 [inline]
RIP: 0010:mt_validate+0x16b5/0x41f0 lib/maple_tree.c:7210
Code: 20 83 e2 07 48 c1 e8 03 0f b6 04 08 38 d0 7f 08 84 c0 0f 85 2e 27 00 00 41 0f b6 ac 24 80 d3 8b 8b 89 de 89 ef e8 7b d4 84 f7 <39> dd 0f 8e 59 05 00 00 49 8d 8c 24 40 d3 8b 8b 48 ba 00 00 00 00
RSP: 0018:ffffc900030df898 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 000000000000000f RCX: ffffffff89fe8e85
RDX: ffff88804a2f8000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000010 R08: 0000000000000004 R09: 0000000000000010
R10: 000000000000000f R11: 0000000000000001 R12: 0000000000000001
R13: 000000000000000e R14: 00007ff9559fffff R15: ffff88804a1f4a78
 validate_mm_mt+0xa1/0x3f0 mm/mmap.c:314
 __split_vma+0x9a/0x830 mm/mmap.c:2237
 split_vma+0xc6/0x110 mm/mmap.c:2318
 mprotect_fixup+0x891/0xbd0 mm/mprotect.c:686
 do_mprotect_pkey+0x87f/0xd50 mm/mprotect.c:860
 __do_sys_mprotect mm/mprotect.c:881 [inline]
 __se_sys_mprotect mm/mprotect.c:878 [inline]
 __x64_sys_mprotect+0x78/0xb0 mm/mprotect.c:878
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff955e8c277
Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffef3d0848 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 0000000000021000 RCX: 00007ff955e8c277
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007ff956b27000
RBP: 00007fffef3d0920 R08: 00000000ffffffff R09: 00007ff956b46700
R10: 0000000000020022 R11: 0000000000000206 R12: 00007fffef3d0a40
R13: 00007ff956b46700 R14: 0000000000000000 R15: 0000000000022000
 </TASK>
task:udevd           state:R  running task     stack:25976 pid:4446  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6669
 preempt_schedule_common+0x45/0xb0 kernel/sched/core.c:6838
 preempt_schedule_thunk+0x1a/0x20 arch/x86/entry/thunk_64.S:34
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x5b/0x70 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline]
 __wake_up_common_lock+0xe2/0x140 kernel/sched/wait.c:140
 sock_def_readable+0x158/0x760 net/core/sock.c:3288
 __netlink_sendskb net/netlink/af_netlink.c:1286 [inline]
 netlink_sendskb net/netlink/af_netlink.c:1292 [inline]
 netlink_unicast+0x6ea/0x7f0 net/netlink/af_netlink.c:1380
 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1913
 sock_sendmsg_nosec net/socket.c:724 [inline]
 sock_sendmsg+0xde/0x190 net/socket.c:747
 ____sys_sendmsg+0x71c/0x900 net/socket.c:2503
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2557
 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2586
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff5a1724a4b
RSP: 002b:00007ffe272d64f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000055be3193e240 RCX: 00007ff5a1724a4b
RDX: 0000000000000000 RSI: 00007ffe272d6508 RDI: 0000000000000004
RBP: 000055be319672f0 R08: 0000000000000001 R09: 0000000000000000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000000b4 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g86253 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=72179
rcu: rcu_preempt kthread starved for 10506 jiffies! g86253 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:28240 pid:15    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6669
 schedule+0xde/0x1a0 kernel/sched/core.c:6745
 schedule_timeout+0x14e/0x2b0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1609
 rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1808
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </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: 16653 Comm: syz-executor.2 Not tainted 6.4.0-rc4-syzkaller-00265-g4ecd704a4c51 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:hlock_class kernel/locking/lockdep.c:223 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4752 [inline]
RIP: 0010:__lock_acquire+0x464/0x5f30 kernel/locking/lockdep.c:5038
Code: 03 0f b6 04 02 84 c0 74 06 0f 8e 42 13 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 38 45 0f b6 a5 b8 00 00 00 48 c1 e9 03 <0f> b6 04 01 84 c0 74 08 3c 03 0f 8e 2b 13 00 00 45 0f b7 6f 20 66
RSP: 0018:ffffc900003e8a98 EFLAGS: 00000806
RAX: dffffc0000000000 RBX: 1ffff9200007d184 RCX: 1ffff1100945f16c
RDX: 1ffffffff22a3c53 RSI: 0000000000000008 RDI: ffffffff9151e298
RBP: ffff88804a2f8000 R08: 0000000000000000 R09: ffffffff9151dd07
R10: fffffbfff22a3ba0 R11: 0000000000000000 R12: 0000000000000002
R13: ffffffff9151e1e0 R14: ffff88804a2f8b18 R15: ffff88804a2f8b40
FS:  0000555556374400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007febfcfa8000 CR3: 0000000016749000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5705 [inline]
 lock_acquire+0x1b1/0x520 kernel/locking/lockdep.c:5670
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162
 debug_object_activate+0x186/0x4f0 lib/debugobjects.c:708
 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
 debug_activate kernel/time/hrtimer.c:475 [inline]
 enqueue_hrtimer+0x27/0x320 kernel/time/hrtimer.c:1084
 __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
 __hrtimer_run_queues+0xa5b/0xbe0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:mas_validate_limits lib/maple_tree.c:7121 [inline]
RIP: 0010:mt_validate+0x16b5/0x41f0 lib/maple_tree.c:7210
Code: 20 83 e2 07 48 c1 e8 03 0f b6 04 08 38 d0 7f 08 84 c0 0f 85 2e 27 00 00 41 0f b6 ac 24 80 d3 8b 8b 89 de 89 ef e8 7b d4 84 f7 <39> dd 0f 8e 59 05 00 00 49 8d 8c 24 40 d3 8b 8b 48 ba 00 00 00 00
RSP: 0018:ffffc900030df898 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 000000000000000f RCX: ffffffff89fe8e85
RDX: ffff88804a2f8000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000010 R08: 0000000000000004 R09: 0000000000000010
R10: 000000000000000f R11: 0000000000000001 R12: 0000000000000001
R13: 000000000000000e R14: 00007ff9559fffff R15: ffff88804a1f4a78
 validate_mm_mt+0xa1/0x3f0 mm/mmap.c:314
 __split_vma+0x9a/0x830 mm/mmap.c:2237
 split_vma+0xc6/0x110 mm/mmap.c:2318
 mprotect_fixup+0x891/0xbd0 mm/mprotect.c:686
 do_mprotect_pkey+0x87f/0xd50 mm/mprotect.c:860
 __do_sys_mprotect mm/mprotect.c:881 [inline]
 __se_sys_mprotect mm/mprotect.c:878 [inline]
 __x64_sys_mprotect+0x78/0xb0 mm/mprotect.c:878
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff955e8c277
Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffef3d0848 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 0000000000021000 RCX: 00007ff955e8c277
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007ff956b27000
RBP: 00007fffef3d0920 R08: 00000000ffffffff R09: 00007ff956b46700
R10: 0000000000020022 R11: 0000000000000206 R12: 00007fffef3d0a40
R13: 00007ff956b46700 R14: 0000000000000000 R15: 0000000000022000
 </TASK>