rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (0 ticks this GP) idle=f0b/1/0x4000000000000000 softirq=169277/169277 fqs=0
(detected by 1, t=10502 jiffies, g=223205, q=344)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12465 Comm: syz-executor.1 Not tainted 5.18.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0x12b1/0x1f80 kernel/locking/lockdep.c:5032
Code: 00 4c 89 ff 48 89 ee 8b 54 24 14 4c 89 e9 e8 26 a7 00 00 85 c0 0f 84 c8 02 00 00 48 ba 00 00 00 00 00 fc ff df 41 80 3c 14 00 <74> 12 4c 89 f7 e8 d5 e6 6f 00 48 ba 00 00 00 00 00 fc ff df 4d 89
RSP: 0018:ffffc900000079e8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffff8f8bbf00 RCX: 1ffff92000000ef4
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8fb20fc0
RBP: ffff88801dbca880 R08: dffffc0000000000 R09: fffffbfff1f641f9
R10: fffffbfff1f641f9 R11: 1ffffffff1f641f8 R12: 1ffff11003b794fa
R13: 5198900cfc7cfb74 R14: ffff88801dbca7d0 R15: ffff88801dbc9d80
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f02ee2d53a5 CR3: 00000000320dc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5641
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
debug_object_deactivate+0x61/0x400 lib/debugobjects.c:735
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:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:lock_acquire+0x21e/0x400 kernel/locking/lockdep.c:5645
Code: 23 00 74 08 4c 89 f7 e8 d0 fd 6f 00 f6 44 24 61 02 0f 85 76 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 04 2c 00 00 00 00 43 c7 44 2c 09 00 00 00 00 43 c7 44 2c 11
RSP: 0018:ffffc9000b2ef4e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200165dea8 RCX: ffff88801dbca7d8
RDX: dffffc0000000000 RSI: ffffffff8a8d1700 RDI: ffffffff8ae88d60
RBP: ffffc9000b2ef640 R08: dffffc0000000000 R09: fffffbfff1f641f9
R10: fffffbfff1f641f9 R11: 1ffffffff1f641f8 R12: dffffc0000000000
R13: 1ffff9200165dea4 R14: ffffc9000b2ef540 R15: 0000000000000246
rcu_lock_acquire+0x20/0x30 include/linux/rcupdate.h:268
rcu_read_lock include/linux/rcupdate.h:694 [inline]
folio_memcg_lock+0x8c/0x5f0 mm/memcontrol.c:2034
page_remove_rmap+0x2f/0x4c0 mm/rmap.c:1377
zap_pte_range+0x88c/0x1d10 mm/memory.c:1389
zap_pmd_range+0x587/0x690 mm/memory.c:1497
zap_pud_range mm/memory.c:1526 [inline]
zap_p4d_range mm/memory.c:1547 [inline]
unmap_page_range+0x310/0x600 mm/memory.c:1568
unmap_vmas+0x202/0x390 mm/memory.c:1645
exit_mmap+0x1c5/0x530 mm/mmap.c:3140
__mmput+0x111/0x3a0 kernel/fork.c:1184
exit_mm+0x211/0x2f0 kernel/exit.c:510
do_exit+0x4ca/0x1eb0 kernel/exit.c:782
do_group_exit+0x23b/0x2f0 kernel/exit.c:925
__do_sys_exit_group kernel/exit.c:936 [inline]
__se_sys_exit_group kernel/exit.c:934 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:934
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+0x44/0xae
RIP: 0033:0x7fdf1ae890e9
Code: Unable to access opcode bytes at RIP 0x7fdf1ae890bf.
RSP: 002b:00007ffed4fae1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fdf1ae890e9
RDX: 00007fdf1ae3bd2b RSI: ffffffffffffffb8 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00007fdf1afa0178 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffed4fae290
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g223205 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=106216
rcu: rcu_preempt kthread starved for 10502 jiffies! g223205 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:26232 pid: 16 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x939/0xea0 kernel/sched/core.c:6388
schedule+0xeb/0x1b0 kernel/sched/core.c:6460
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
rcu_gp_fqs_loop+0x2b9/0xfb0 kernel/rcu/tree.c:1971
rcu_gp_kthread+0xa5/0x360 kernel/rcu/tree.c:2144
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12465 Comm: syz-executor.1 Not tainted 5.18.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x28f/0x2e0 mm/kasan/generic.c:189
Code: 38 74 96 49 83 c1 07 eb 03 4d 89 f9 4d 89 ce 4d 85 c9 74 85 48 8d 6e ff 48 01 fd 48 89 eb 48 c1 eb 03 4c 01 c3 49 39 de 75 10 <83> e5 07 49 0f be 1e 48 39 dd 0f 8c 5f ff ff ff 0f b6 d2 e8 c9 ed
RSP: 0018:ffffc90000007b78 EFLAGS: 00000046
RAX: 00000000ffffff01 RBX: fffff52000000f80 RCX: ffffffff81688ba8
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000007c00
RBP: ffffc90000007c03 R08: dffffc0000000000 R09: fffff52000000f80
R10: fffff52000000f81 R11: 1ffff92000000f80 R12: ffff8880b9a2a4c0
R13: 1ffff92000000f80 R14: fffff52000000f80 R15: 1ffff11017345499
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f02ee2d53a5 CR3: 00000000320dc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:542 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
do_raw_spin_lock+0x148/0x360 kernel/locking/spinlock_debug.c:115
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:120 [inline]
_raw_spin_lock_irq+0xdb/0x110 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x546/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:lock_acquire+0x21e/0x400 kernel/locking/lockdep.c:5645
Code: 23 00 74 08 4c 89 f7 e8 d0 fd 6f 00 f6 44 24 61 02 0f 85 76 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 04 2c 00 00 00 00 43 c7 44 2c 09 00 00 00 00 43 c7 44 2c 11
RSP: 0018:ffffc9000b2ef4e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200165dea8 RCX: ffff88801dbca7d8
RDX: dffffc0000000000 RSI: ffffffff8a8d1700 RDI: ffffffff8ae88d60
RBP: ffffc9000b2ef640 R08: dffffc0000000000 R09: fffffbfff1f641f9
R10: fffffbfff1f641f9 R11: 1ffffffff1f641f8 R12: dffffc0000000000
R13: 1ffff9200165dea4 R14: ffffc9000b2ef540 R15: 0000000000000246
rcu_lock_acquire+0x20/0x30 include/linux/rcupdate.h:268
rcu_read_lock include/linux/rcupdate.h:694 [inline]
folio_memcg_lock+0x8c/0x5f0 mm/memcontrol.c:2034
page_remove_rmap+0x2f/0x4c0 mm/rmap.c:1377
zap_pte_range+0x88c/0x1d10 mm/memory.c:1389
zap_pmd_range+0x587/0x690 mm/memory.c:1497
zap_pud_range mm/memory.c:1526 [inline]
zap_p4d_range mm/memory.c:1547 [inline]
unmap_page_range+0x310/0x600 mm/memory.c:1568
unmap_vmas+0x202/0x390 mm/memory.c:1645
exit_mmap+0x1c5/0x530 mm/mmap.c:3140
__mmput+0x111/0x3a0 kernel/fork.c:1184
exit_mm+0x211/0x2f0 kernel/exit.c:510
do_exit+0x4ca/0x1eb0 kernel/exit.c:782
do_group_exit+0x23b/0x2f0 kernel/exit.c:925
__do_sys_exit_group kernel/exit.c:936 [inline]
__se_sys_exit_group kernel/exit.c:934 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:934
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+0x44/0xae
RIP: 0033:0x7fdf1ae890e9
Code: Unable to access opcode bytes at RIP 0x7fdf1ae890bf.
RSP: 002b:00007ffed4fae1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fdf1ae890e9
RDX: 00007fdf1ae3bd2b RSI: ffffffffffffffb8 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00007fdf1afa0178 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffed4fae290
----------------
Code disassembly (best guess):
0: 00 4c 89 ff add %cl,-0x1(%rcx,%rcx,4)
4: 48 89 ee mov %rbp,%rsi
7: 8b 54 24 14 mov 0x14(%rsp),%edx
b: 4c 89 e9 mov %r13,%rcx
e: e8 26 a7 00 00 callq 0xa739
13: 85 c0 test %eax,%eax
15: 0f 84 c8 02 00 00 je 0x2e3
1b: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
22: fc ff df
25: 41 80 3c 14 00 cmpb $0x0,(%r12,%rdx,1)
* 2a: 74 12 je 0x3e <-- trapping instruction
2c: 4c 89 f7 mov %r14,%rdi
2f: e8 d5 e6 6f 00 callq 0x6fe709
34: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
3b: fc ff df
3e: 4d rex.WRB
3f: 89 .byte 0x89