rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 ticks this GP) idle=581/1/0x4000000000000000 softirq=77539/77539 fqs=0
(detected by 0, t=10502 jiffies, g=120493, q=127)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 14948 Comm: syz-executor.2 Not tainted 5.17.0-rc5-syzkaller-00021-g23d04328444a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:should_change_schedules net/sched/sch_taprio.c:677 [inline]
RIP: 0010:advance_sched+0x272/0x9a0 net/sched/sch_taprio.c:750
Code: ea 03 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 fc 05 00 00 41 8b 44 24 2c 49 01 c6 4d 39 fe 4d 0f 4e fe <4c> 8b 34 24 4d 85 f6 0f 84 78 05 00 00 e8 fc be 13 fa 49 8d 7e 40
RSP: 0018:ffffc90000dc0dd0 EFLAGS: 00000046
RAX: 0000000080000001 RBX: ffff888018e1bb40 RCX: ffff88802374372c
RDX: 0000000000000000 RSI: ffffffff87652c6f RDI: ffff888072aecc30
RBP: ffff888072aecc00 R08: 17b0bc8e2f61791c R09: 0000000000000003
R10: ffffffff87652c61 R11: 0000000000000001 R12: ffff888023743700
R13: ffff888023743700 R14: 17b0bc8eaf61791d R15: 17b0bc8eaf61791d
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9da3f5d090 CR3: 000000000b88e000 CR4: 0000000000350ee0
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x609/0xe50 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:638
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5607
Code: c0 a4 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:ffffc90002b7f5c0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200056feba RCX: d58cc61d2054002b
RDX: 1ffff11003d7414b RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc2947
R10: fffffbfff1ff8528 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bb845e0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
folio_memcg_lock+0x3a/0x590 mm/memcontrol.c:2017
page_remove_rmap+0x25/0x1480 mm/rmap.c:1377
zap_pte_range mm/memory.c:1380 [inline]
zap_pmd_range mm/memory.c:1490 [inline]
zap_pud_range mm/memory.c:1519 [inline]
zap_p4d_range mm/memory.c:1540 [inline]
unmap_page_range+0xf7f/0x2a30 mm/memory.c:1561
unmap_single_vma+0x198/0x310 mm/memory.c:1606
unmap_vmas+0x16b/0x2f0 mm/memory.c:1638
exit_mmap+0x201/0x670 mm/mmap.c:3178
__mmput+0x122/0x4b0 kernel/fork.c:1114
mmput+0x56/0x60 kernel/fork.c:1135
exit_mm kernel/exit.c:507 [inline]
do_exit+0xa3c/0x2a30 kernel/exit.c:793
do_group_exit+0xd2/0x2f0 kernel/exit.c:935
get_signal+0x45a/0x2490 kernel/signal.c:2863
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9da3e49059
Code: Unable to access opcode bytes at RIP 0x7f9da3e4902f.
RSP: 002b:00007f9da27be218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f9da3f5bf68 RCX: 00007f9da3e49059
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9da3f5bf6c
RBP: 00007f9da3f5bf60 R08: 00007ffe7a5c3080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9da3f5bf6c
R13: 00007ffe7a52f1ff R14: 00007f9da27be300 R15: 0000000000022000
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g120493 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=77705
rcu: rcu_preempt kthread starved for 10502 jiffies! g120493 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:27448 pid: 14 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1963
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2136
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
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: 14948 Comm: syz-executor.2 Not tainted 5.17.0-rc5-syzkaller-00021-g23d04328444a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:match_held_lock+0xc/0xc0 kernel/locking/lockdep.c:5086
Code: bc ff 48 c7 c7 80 5f ac 89 e8 1b ae bc ff e8 57 6c 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
RSP: 0018:ffffc90000dc0bb8 EFLAGS: 00000006
RAX: 000000000000000a RBX: ffff88801eba0ab0 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8bb84520 RDI: ffff88801eba0ab0
RBP: ffffffff8bb84520 R08: 0000000000000000 R09: ffffffff8d9410d7
R10: fffffbfff1b2821a R11: 0000000000000000 R12: ffff88801eba0000
R13: ffff88801eba0a60 R14: 00000000ffffffff R15: ffff88801eba0ab0
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9da3f5d090 CR3: 000000000b88e000 CR4: 0000000000350ee0
Call Trace:
__lock_is_held kernel/locking/lockdep.c:5380 [inline]
lock_is_held_type+0xa7/0x140 kernel/locking/lockdep.c:5682
lock_is_held include/linux/lockdep.h:283 [inline]
rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
trace_lock_acquire include/trace/events/lock.h:13 [inline]
lock_acquire+0x442/0x510 kernel/locking/lockdep.c:5610
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:661
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:638
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5607
Code: c0 a4 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:ffffc90002b7f5c0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200056feba RCX: d58cc61d2054002b
RDX: 1ffff11003d7414b RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc2947
R10: fffffbfff1ff8528 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bb845e0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
folio_memcg_lock+0x3a/0x590 mm/memcontrol.c:2017
page_remove_rmap+0x25/0x1480 mm/rmap.c:1377
zap_pte_range mm/memory.c:1380 [inline]
zap_pmd_range mm/memory.c:1490 [inline]
zap_pud_range mm/memory.c:1519 [inline]
zap_p4d_range mm/memory.c:1540 [inline]
unmap_page_range+0xf7f/0x2a30 mm/memory.c:1561
unmap_single_vma+0x198/0x310 mm/memory.c:1606
unmap_vmas+0x16b/0x2f0 mm/memory.c:1638
exit_mmap+0x201/0x670 mm/mmap.c:3178
__mmput+0x122/0x4b0 kernel/fork.c:1114
mmput+0x56/0x60 kernel/fork.c:1135
exit_mm kernel/exit.c:507 [inline]
do_exit+0xa3c/0x2a30 kernel/exit.c:793
do_group_exit+0xd2/0x2f0 kernel/exit.c:935
get_signal+0x45a/0x2490 kernel/signal.c:2863
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9da3e49059
Code: Unable to access opcode bytes at RIP 0x7f9da3e4902f.
RSP: 002b:00007f9da27be218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f9da3f5bf68 RCX: 00007f9da3e49059
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9da3f5bf6c
RBP: 00007f9da3f5bf60 R08: 00007ffe7a5c3080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9da3f5bf6c
R13: 00007ffe7a52f1ff R14: 00007f9da27be300 R15: 0000000000022000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 03 0f add (%rdi),%ecx
2: b6 14 mov $0x14,%dh
4: 02 48 89 add -0x77(%rax),%cl
7: c8 83 e0 07 enterq $0xe083,$0x7
b: 83 c0 03 add $0x3,%eax
e: 38 d0 cmp %dl,%al
10: 7c 08 jl 0x1a
12: 84 d2 test %dl,%dl
14: 0f 85 fc 05 00 00 jne 0x616
1a: 41 8b 44 24 2c mov 0x2c(%r12),%eax
1f: 49 01 c6 add %rax,%r14
22: 4d 39 fe cmp %r15,%r14
25: 4d 0f 4e fe cmovle %r14,%r15
* 29: 4c 8b 34 24 mov (%rsp),%r14 <-- trapping instruction
2d: 4d 85 f6 test %r14,%r14
30: 0f 84 78 05 00 00 je 0x5ae
36: e8 fc be 13 fa callq 0xfa13bf37
3b: 49 8d 7e 40 lea 0x40(%r14),%rdi