rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=c744/1/0x4000000000000000 softirq=54130/54131 fqs=0
	(detected by 1, t=10506 jiffies, g=78105, q=29 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 17015 Comm: rm Not tainted 6.1.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:preempt_count_add+0x4/0x180 kernel/sched/core.c:5660
Code: 20 00 74 08 4c 89 f7 e8 fa d0 81 00 49 8b 06 49 39 c7 0f 85 37 ff ff ff e9 1e ff ff ff 66 0f 1f 84 00 00 00 00 00 41 57 41 56 <53> 89 fb 48 c7 c0 40 e0 f1 91 48 c1 e8 03 49 bf 00 00 00 00 00 fc
RSP: 0018:ffffc90000007c08 EFLAGS: 00000046
RAX: f3f3f300f1f1f1f1 RBX: 1ffff92000000f88 RCX: 0000000000017778
RDX: 0000000000010001 RSI: ffffffff8b0feda0 RDI: 0000000000000001
RBP: ffffc90000007cc0 R08: ffffffff817bca2c R09: ffff88802192b340
R10: ffffed100432566b R11: 1ffff11004325668 R12: 0000000000000046
R13: 1ffff92000000f84 R14: ffffffff921fd300 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7a87f29690 CR3: 0000000022217000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:109 [inline]
 _raw_spin_lock_irqsave+0xb6/0x120 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x61/0x400 lib/debugobjects.c:732
 debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
 debug_deactivate kernel/time/hrtimer.c:481 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1653 [inline]
 __hrtimer_run_queues+0x2f9/0xa60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__sanitizer_cov_trace_cmp8+0x0/0xa0 kernel/kcov.c:284
Code: 00 00 48 89 f0 48 83 c8 08 48 c7 04 01 04 00 00 00 48 89 f0 48 83 c8 10 48 89 14 01 48 83 ce 18 4c 89 0c 31 4c 89 44 f9 20 c3 <4c> 8b 04 24 65 48 8b 14 25 40 6f 02 00 65 8b 0d 84 d9 75 7e f7 c1
RSP: 0018:ffffc900031df668 EFLAGS: 00000246
RAX: 1ffff110053e180d RBX: 0000000000000002 RCX: ffff888030238000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
RBP: ffffc900031df790 R08: dffffc0000000000 R09: ffffed100f6fc779
R10: ffffed100f6fc779 R11: 1ffff1100f6fc778 R12: dffffc0000000000
R13: 1ffff11010c9a350 R14: 0000000000000002 R15: ffff8880864d1a80
 anon_vma_interval_tree_verify+0x78/0x150 mm/interval_tree.c:108
 validate_mm+0x229/0x3b0 mm/mmap.c:343
 do_mas_align_munmap+0x124a/0x1590 mm/mmap.c:2451
 do_mas_munmap+0x245/0x2b0 mm/mmap.c:2502
 mmap_region+0x800/0x1e60 mm/mmap.c:2550
 do_mmap+0x8d9/0xf30 mm/mmap.c:1412
 vm_mmap_pgoff+0x1e5/0x2f0 mm/util.c:520
 ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1458
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7a882111f2
Code: 04 00 00 5b 5d 41 5c c3 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 33 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 56 5b 5d c3 0f 1f 00 c7 05 9e 1f 01 00 16 00
RSP: 002b:00007ffeab3c9498 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f7a882111f2
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007f7a87eea000
RBP: 00007f7a87eea000 R08: 0000000000000003 R09: 0000000000019000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffeab3c94b0
R13: 00007ffeab3c9540 R14: 0000000000000003 R15: 00007f7a881f09b0
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g78105 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=39686
rcu: rcu_preempt kthread starved for 10506 jiffies! g78105 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:26552 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5209 [inline]
 __schedule+0x8fc/0xda0 kernel/sched/core.c:6521
 schedule+0xcb/0x190 kernel/sched/core.c:6597
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1935
 rcu_gp_fqs_loop+0x309/0x1070 kernel/rcu/tree.c:1660
 rcu_gp_kthread+0xa5/0x390 kernel/rcu/tree.c:1859
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 17031 Comm: syz-executor.3 Not tainted 6.1.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:smp_call_function_many_cond+0xeb2/0x1420 kernel/smp.c:987
Code: 4c 0f 1f 80 00 00 00 00 f3 90 48 b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 75 10 41 f7 06 01 00 00 00 74 23 e8 8e 39 0b 00 <eb> dc 44 89 f1 80 e1 07 80 c1 03 38 c1 7c e3 4c 89 f7 e8 e7 33 60
RSP: 0018:ffffc9000331fa80 EFLAGS: 00000246
RAX: ffffffff818159e2 RBX: 1ffff11017308421 RCX: 0000000000040000
RDX: ffffc9000cdde000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000331fc10 R08: ffffffff818159ac R09: ffffed10173275d3
R10: ffffed10173275d3 R11: 1ffff110173275d2 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880b9842108 R15: ffff8880b993ae80
FS:  00007f87aca30700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5d676d56be CR3: 0000000074b62000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 clock_was_set+0x831/0x900 kernel/time/hrtimer.c:974
 do_settimeofday64+0x85b/0x9c0 kernel/time/timekeeping.c:1345
 __do_sys_clock_settime kernel/time/posix-timers.c:1088 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1076 [inline]
 __x64_sys_clock_settime+0x22c/0x270 kernel/time/posix-timers.c:1076
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f87abc8c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f87aca30168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f87abdabf80 RCX: 00007f87abc8c0d9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f87abce7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe353bf4ff R14: 00007f87aca30300 R15: 0000000000022000
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz-executor.3:17031]
Modules linked in:
irq event stamp: 49744
hardirqs last  enabled at (49743): [<ffffffff8ac00cc6>] asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
hardirqs last disabled at (49744): [<ffffffff8aa6f2ca>] sysvec_apic_timer_interrupt+0xa/0xb0 arch/x86/kernel/apic/apic.c:1107
softirqs last  enabled at (342): [<ffffffff8155351c>] __irq_exit_rcu+0xec/0x170 kernel/softirq.c:650
softirqs last disabled at (215): [<ffffffff8155351c>] __irq_exit_rcu+0xec/0x170 kernel/softirq.c:650
CPU: 1 PID: 17031 Comm: syz-executor.3 Not tainted 6.1.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:csd_lock_wait kernel/smp.c:413 [inline]
RIP: 0010:smp_call_function_many_cond+0xe92/0x1420 kernel/smp.c:987
Code: 84 c0 75 74 45 8b 26 44 89 e6 83 e6 01 31 ff e8 e4 3d 0b 00 41 83 e4 01 75 0e e8 b9 39 0b 00 eb 4c 0f 1f 80 00 00 00 00 f3 90 <48> b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 75 10 41 f7 06 01
RSP: 0018:ffffc9000331fa80 EFLAGS: 00000246
RAX: ffffffff818159e2 RBX: 1ffff11017308421 RCX: 0000000000040000
RDX: ffffc9000cdde000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000331fc10 R08: ffffffff818159ac R09: ffffed10173275d3
R10: ffffed10173275d3 R11: 1ffff110173275d2 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880b9842108 R15: ffff8880b993ae80
FS:  00007f87aca30700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5d676d56be CR3: 0000000074b62000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 clock_was_set+0x831/0x900 kernel/time/hrtimer.c:974
 do_settimeofday64+0x85b/0x9c0 kernel/time/timekeeping.c:1345
 __do_sys_clock_settime kernel/time/posix-timers.c:1088 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1076 [inline]
 __x64_sys_clock_settime+0x22c/0x270 kernel/time/posix-timers.c:1076
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f87abc8c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f87aca30168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f87abdabf80 RCX: 00007f87abc8c0d9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f87abce7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe353bf4ff R14: 00007f87aca30300 R15: 0000000000022000
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 17015 Comm: rm Not tainted 6.1.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__lock_release kernel/locking/lockdep.c:5343 [inline]
RIP: 0010:lock_release+0x201/0x870 kernel/locking/lockdep.c:5688
Code: 4c 63 fb 41 83 ff 31 0f 83 d1 05 00 00 4f 8d 2c bf 4f 8d b4 ee 50 0a 00 00 4c 89 f7 48 8b 74 24 28 e8 f3 f1 3a 09 89 5c 24 4c <89> da 85 c0 0f 84 df 01 00 00 4d 85 f6 0f 84 23 03 00 00 49 8d 5e
RSP: 0018:ffffc90000007b20 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000002 RCX: ffffc90000007b03
RDX: 1ffff92000000f74 RSI: ffff88802192b300 RDI: ffff888030238aa0
RBP: ffffc90000007c60 R08: dffffc0000000000 R09: fffffbfff1d1f4f6
R10: fffffbfff1d1f4f6 R11: 1ffffffff1d1f4f5 R12: dffffc0000000000
R13: 000000000000000a R14: ffff888030238aa0 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7a87f29690 CR3: 0000000022217000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:390 [inline]
 advance_sched+0x634/0x8c0 net/sched/sch_taprio.c:749
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x50b/0xa60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__sanitizer_cov_trace_cmp8+0x0/0xa0 kernel/kcov.c:284
Code: 00 00 48 89 f0 48 83 c8 08 48 c7 04 01 04 00 00 00 48 89 f0 48 83 c8 10 48 89 14 01 48 83 ce 18 4c 89 0c 31 4c 89 44 f9 20 c3 <4c> 8b 04 24 65 48 8b 14 25 40 6f 02 00 65 8b 0d 84 d9 75 7e f7 c1
RSP: 0018:ffffc900031df668 EFLAGS: 00000246
RAX: 1ffff110053e180d RBX: 0000000000000002 RCX: ffff888030238000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
RBP: ffffc900031df790 R08: dffffc0000000000 R09: ffffed100f6fc779
R10: ffffed100f6fc779 R11: 1ffff1100f6fc778 R12: dffffc0000000000
R13: 1ffff11010c9a350 R14: 0000000000000002 R15: ffff8880864d1a80
 anon_vma_interval_tree_verify+0x78/0x150 mm/interval_tree.c:108
 validate_mm+0x229/0x3b0 mm/mmap.c:343
 do_mas_align_munmap+0x124a/0x1590 mm/mmap.c:2451
 do_mas_munmap+0x245/0x2b0 mm/mmap.c:2502
 mmap_region+0x800/0x1e60 mm/mmap.c:2550
 do_mmap+0x8d9/0xf30 mm/mmap.c:1412
 vm_mmap_pgoff+0x1e5/0x2f0 mm/util.c:520
 ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1458
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7a882111f2
Code: 04 00 00 5b 5d 41 5c c3 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 33 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 56 5b 5d c3 0f 1f 00 c7 05 9e 1f 01 00 16 00
RSP: 002b:00007ffeab3c9498 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f7a882111f2
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007f7a87eea000
RBP: 00007f7a87eea000 R08: 0000000000000003 R09: 0000000000019000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffeab3c94b0
R13: 00007ffeab3c9540 R14: 0000000000000003 R15: 00007f7a881f09b0
 </TASK>