rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 ticks this GP) idle=d19/1/0x4000000000000000 softirq=141361/141361 fqs=0
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P27842/1:b..l P3628/1:b..l
(detected by 1, t=10502 jiffies, g=251573, q=15)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9516 Comm: syz-executor.5 Not tainted 5.18.0-rc6-syzkaller-00009-gfeb9c5e19e91 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:match_held_lock+0x14/0xc0 kernel/locking/lockdep.c:5091
Code: 89 e8 09 d8 bb ff e8 eb 19 cc ff 31 c0 5d c3 0f 1f 80 00 00 00 00 53 48 89 fb 48 83 ec 08 48 39 77 10 74 6a 66 f7 47 22 f0 ff <74> 5a 48 8b 46 08 48 89 f7 48 85 c0 74 42 8b 15 b8 fd ee 06 85 d2
RSP: 0018:ffffc90000007be0 EFLAGS: 00000046
RAX: 000000000000000a RBX: ffff88806e066c70 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8bd7f520 RDI: ffff88806e066c70
RBP: ffffffff8bd7f520 R08: 0000000000000000 R09: ffffffff8db8e257
R10: fffffbfff1b71c4a R11: 0000000000000001 R12: ffff88806e0661c0
R13: ffff88806e066c20 R14: 00000000ffffffff R15: ffff88806e066c70
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000000ba8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
__lock_is_held kernel/locking/lockdep.c:5382 [inline]
lock_is_held_type+0xa7/0x140 kernel/locking/lockdep.c:5684
lock_is_held include/linux/lockdep.h:283 [inline]
rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
trace_lock_release include/trace/events/lock.h:58 [inline]
lock_release+0x522/0x720 kernel/locking/lockdep.c:5652
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
_raw_spin_unlock_irqrestore+0x16/0x70 kernel/locking/spinlock.c:194
debug_object_activate+0x287/0x3e0 lib/debugobjects.c:689
debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
debug_activate kernel/time/hrtimer.c:475 [inline]
enqueue_hrtimer+0x27/0x3e0 kernel/time/hrtimer.c:1084
__run_hrtimer kernel/time/hrtimer.c:1702 [inline]
__hrtimer_run_queues+0xb02/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:arch_atomic_add_negative arch/x86/include/asm/atomic.h:152 [inline]
RIP: 0010:atomic_add_negative include/linux/atomic/atomic-instrumented.h:592 [inline]
RIP: 0010:page_remove_file_rmap mm/rmap.c:1317 [inline]
RIP: 0010:page_remove_rmap+0x76e/0x1510 mm/rmap.c:1380
Code: e8 61 c2 ff 48 85 db 0f 84 5a fa ff ff e9 f8 f9 ff ff e8 45 5f c2 ff 48 8d 7d 30 be 04 00 00 00 e8 97 58 0d 00 f0 83 45 30 ff <41> 0f 98 c6 31 ff 44 89 f6 e8 04 63 c2 ff 45 84 f6 0f 84 86 fb ff
RSP: 0018:ffffc900049df730 EFLAGS: 00000213
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff81b61619
RDX: fffff940003ce08f RSI: 0000000000000004 RDI: ffffea0001e70470
RBP: ffffea0001e70440 R08: 0000000000000001 R09: ffffea0001e70473
R10: fffff940003ce08e R11: 0000000000000000 R12: ffff888020f38630
R13: ffffea0001e70448 R14: 0000000000000000 R15: 0000000000000000
zap_pte_range mm/memory.c:1389 [inline]
zap_pmd_range mm/memory.c:1497 [inline]
zap_pud_range mm/memory.c:1526 [inline]
zap_p4d_range mm/memory.c:1547 [inline]
unmap_page_range+0xffa/0x3fa0 mm/memory.c:1568
unmap_single_vma+0x198/0x310 mm/memory.c:1613
unmap_vmas+0x16b/0x2f0 mm/memory.c:1645
exit_mmap+0x1c4/0x4a0 mm/mmap.c:3140
__mmput+0x122/0x4b0 kernel/fork.c:1184
mmput+0x56/0x60 kernel/fork.c:1205
exit_mm kernel/exit.c:510 [inline]
do_exit+0xa12/0x2a00 kernel/exit.c:782
do_group_exit+0xd2/0x2f0 kernel/exit.c:925
get_signal+0x22df/0x24c0 kernel/signal.c:2864
arch_do_signal_or_restart+0x82/0x20f0 arch/x86/kernel/signal.c:867
exit_to_user_mode_loop kernel/entry/common.c:166 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:294
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9ddee890e9
Code: Unable to access opcode bytes at RIP 0x7f9ddee890bf.
RSP: 002b:00007f9ddddfe218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9ddef9bf68 RCX: 00007f9ddee890e9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9ddef9bf68
RBP: 00007f9ddef9bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9ddef9bf6c
R13: 00007fffcf9c369f R14: 00007f9ddddfe300 R15: 0000000000022000
task:syz-executor.1 state:R running task stack:23608 pid: 3628 ppid: 3624 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6696
irqentry_exit+0x31/0x80 kernel/entry/common.c:428
asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:650
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5609
Code: 95 a5 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc9000309f8f0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000613f20 RCX: 7e8285bf9ccb5258
RDX: 1ffff11003dd7d5b RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff90072907
R10: fffffbfff200e520 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bd7f5e0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
mem_cgroup_iter+0x6e/0x630 mm/memcontrol.c:1019
shrink_node_memcgs mm/vmscan.c:3059 [inline]
shrink_node+0x475/0x1df0 mm/vmscan.c:3221
shrink_zones mm/vmscan.c:3458 [inline]
do_try_to_free_pages+0x3b5/0x1700 mm/vmscan.c:3516
try_to_free_mem_cgroup_pages+0x323/0x920 mm/vmscan.c:3830
reclaim_high.constprop.0+0x182/0x230 mm/memcontrol.c:2325
mem_cgroup_handle_over_high+0x18c/0x510 mm/memcontrol.c:2509
resume_user_mode_work include/linux/resume_user_mode.h:58 [inline]
exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
exit_to_user_mode_prepare+0x18c/0x250 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:294
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f8d2e488c28
RSP: 002b:00007ffc564cd530 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: 0000000000000003 RBX: 0000000000001550 RCX: 00007f8d2e488c28
RDX: 0000000000090800 RSI: 00007ffc564ce720 RDI: 00000000ffffff9c
RBP: 00007ffc564ce6fc R08: 0000000000090800 R09: 00007ffc564ce720
R10: 0000000000000000 R11: 0000000000000287 R12: 00007f8d2e4e21f8
R13: 00007ffc564ce720 R14: 0000000000000000 R15: 00007ffc564ce760
task:kworker/u4:4 state:R running task stack:25768 pid:27842 ppid: 2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6696
irqentry_exit+0x31/0x80 kernel/entry/common.c:428
asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:636
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5609
Code: 95 a5 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90003d9fb98 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920007b3f75 RCX: 8fa18f8debba6654
RDX: 1ffff11003d02d5b RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff90072907
R10: fffffbfff200e520 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bd7f5e0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x12d/0xfa0 net/batman-adv/network-coding.c:719
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g251573 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=167775
rcu: rcu_preempt kthread starved for 10502 jiffies! g251573 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:28832 pid: 16 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1884
rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1971
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2144
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
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: 9516 Comm: syz-executor.5 Not tainted 5.18.0-rc6-syzkaller-00009-gfeb9c5e19e91 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lockdep_recursion_inc kernel/locking/lockdep.c:431 [inline]
RIP: 0010:lock_is_held_type+0x55/0x140 kernel/locking/lockdep.c:5683
Code: 0f 85 ca 00 00 00 65 4c 8b 24 25 00 70 02 00 41 8b 94 24 5c 0a 00 00 85 d2 0f 85 b1 00 00 00 48 89 fd 41 89 f6 9c 8f 04 24 fa <48> c7 c7 40 47 cc 89 31 db e8 fd 0d 00 00 41 8b 84 24 58 0a 00 00
RSP: 0018:ffffc90000007df0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff88804d3acb40 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8bd7f520
RBP: ffffffff8bd7f520 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff81677d7d R11: 0000000000000000 R12: ffff88806e0661c0
R13: 00000000ffffffff R14: 00000000ffffffff R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000000ba8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
trace_hrtimer_expire_exit include/trace/events/timer.h:279 [inline]
__run_hrtimer kernel/time/hrtimer.c:1688 [inline]
__hrtimer_run_queues+0xa2e/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:arch_atomic_add_negative arch/x86/include/asm/atomic.h:152 [inline]
RIP: 0010:atomic_add_negative include/linux/atomic/atomic-instrumented.h:592 [inline]
RIP: 0010:page_remove_file_rmap mm/rmap.c:1317 [inline]
RIP: 0010:page_remove_rmap+0x76e/0x1510 mm/rmap.c:1380
Code: e8 61 c2 ff 48 85 db 0f 84 5a fa ff ff e9 f8 f9 ff ff e8 45 5f c2 ff 48 8d 7d 30 be 04 00 00 00 e8 97 58 0d 00 f0 83 45 30 ff <41> 0f 98 c6 31 ff 44 89 f6 e8 04 63 c2 ff 45 84 f6 0f 84 86 fb ff
RSP: 0018:ffffc900049df730 EFLAGS: 00000213
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff81b61619
RDX: fffff940003ce08f RSI: 0000000000000004 RDI: ffffea0001e70470
RBP: ffffea0001e70440 R08: 0000000000000001 R09: ffffea0001e70473
R10: fffff940003ce08e R11: 0000000000000000 R12: ffff888020f38630
R13: ffffea0001e70448 R14: 0000000000000000 R15: 0000000000000000
zap_pte_range mm/memory.c:1389 [inline]
zap_pmd_range mm/memory.c:1497 [inline]
zap_pud_range mm/memory.c:1526 [inline]
zap_p4d_range mm/memory.c:1547 [inline]
unmap_page_range+0xffa/0x3fa0 mm/memory.c:1568
unmap_single_vma+0x198/0x310 mm/memory.c:1613
unmap_vmas+0x16b/0x2f0 mm/memory.c:1645
exit_mmap+0x1c4/0x4a0 mm/mmap.c:3140
__mmput+0x122/0x4b0 kernel/fork.c:1184
mmput+0x56/0x60 kernel/fork.c:1205
exit_mm kernel/exit.c:510 [inline]
do_exit+0xa12/0x2a00 kernel/exit.c:782
do_group_exit+0xd2/0x2f0 kernel/exit.c:925
get_signal+0x22df/0x24c0 kernel/signal.c:2864
arch_do_signal_or_restart+0x82/0x20f0 arch/x86/kernel/signal.c:867
exit_to_user_mode_loop kernel/entry/common.c:166 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:294
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9ddee890e9
Code: Unable to access opcode bytes at RIP 0x7f9ddee890bf.
RSP: 002b:00007f9ddddfe218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9ddef9bf68 RCX: 00007f9ddee890e9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9ddef9bf68
RBP: 00007f9ddef9bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9ddef9bf6c
R13: 00007fffcf9c369f R14: 00007f9ddddfe300 R15: 0000000000022000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: e8 09 d8 bb ff callq 0xffbbd80e
5: e8 eb 19 cc ff callq 0xffcc19f5
a: 31 c0 xor %eax,%eax
c: 5d pop %rbp
d: c3 retq
e: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
15: 53 push %rbx
16: 48 89 fb mov %rdi,%rbx
19: 48 83 ec 08 sub $0x8,%rsp
1d: 48 39 77 10 cmp %rsi,0x10(%rdi)
21: 74 6a je 0x8d
23: 66 f7 47 22 f0 ff testw $0xfff0,0x22(%rdi)
* 29: 74 5a je 0x85 <-- trapping instruction
2b: 48 8b 46 08 mov 0x8(%rsi),%rax
2f: 48 89 f7 mov %rsi,%rdi
32: 48 85 c0 test %rax,%rax
35: 74 42 je 0x79
37: 8b 15 b8 fd ee 06 mov 0x6eefdb8(%rip),%edx # 0x6eefdf5
3d: 85 d2 test %edx,%edx