rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 ticks this GP) idle=9f1/1/0x4000000000000002 softirq=11472/11472 fqs=0
(detected by 1, t=10506 jiffies, g=14529, q=1719)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3551 Comm: syz-executor.4 Not tainted 5.15.146-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:196
Code: 00 00 00 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 28 75 63 0c 48 89 de 5b e9 97 db 48 00 cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0d 74 45 82 7e 65 8b 15 75 45 82 7e f7 c2 00 01 ff 00 74
RSP: 0000:ffffc90000007358 EFLAGS: 00000046
RAX: ffffffff81a1099d RBX: 0000000000000000 RCX: ffff88801e810000
RDX: 0000000000000102 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007450 R08: ffffffff81a1098d R09: fffffbfff1f79e19
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900000076c0
R13: ffffc90000007506 R14: ffffc90000007504 R15: dffffc0000000000
FS: 00005555570fc480(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c01cf28000 CR3: 000000004348d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
perf_prepare_sample+0xdfd/0x1ce0 kernel/events/core.c:7647
__perf_event_output kernel/events/core.c:7717 [inline]
perf_event_output_forward+0x199/0x310 kernel/events/core.c:7737
__perf_event_overflow+0x35d/0x530 kernel/events/core.c:9432
perf_swevent_overflow kernel/events/core.c:9508 [inline]
perf_swevent_event+0x4c5/0x550 kernel/events/core.c:9546
perf_tp_event+0x363/0xc40 kernel/events/core.c:9964
perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9938
perf_trace_preemptirq_template+0x31d/0x430 include/trace/events/preemptirq.h:14
trace_irq_enable_rcuidle+0x10e/0x190 include/trace/events/preemptirq.h:40
trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:rcu_read_unlock_special+0x84/0x520 kernel/rcu/tree_plugin.h:671
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 bd d0 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0000:ffffc90000007b00 EFLAGS: 00000206
RAX: 842b5e7665fcbe00 RBX: 1ffff92000000f68 RCX: ffffffff913c6f03
RDX: dffffc0000000000 RSI: ffffffff8a8b0f80 RDI: ffffffff8ad87e00
RBP: ffffc90000007bd8 R08: ffffffff8186a728 R09: ffffed10173474da
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8c923200
R13: ffff88801e810458 R14: ffffc90000007b40 R15: 1ffff92000000f64
__rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:422
rcu_read_unlock include/linux/rcupdate.h:728 [inline]
ieee80211_rx_napi+0x1f2/0x380 net/mac80211/rx.c:5006
ieee80211_rx include/net/mac80211.h:4571 [inline]
ieee80211_tasklet_handler+0x109/0x1b0 net/mac80211/main.c:235
tasklet_action_common+0x3cb/0x4a0
__do_softirq+0x3b3/0x93a kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 a2 d3 a3 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 b7 2d 31 f7 65 8b 05 58 66 dc 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0000:ffffc90003037c40 EFLAGS: 00000206
RAX: 842b5e7665fcbe00 RBX: 1ffff92000606f8c RCX: ffffffff913c6f03
RDX: dffffc0000000000 RSI: ffffffff8a8b0f80 RDI: 0000000000000001
RBP: ffffc90003037cd0 R08: ffffffff8186a728 R09: ffffed10173474da
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000606f88 R14: ffffc90003037c60 R15: 0000000000000246
debug_object_free+0x280/0x460 lib/debugobjects.c:876
destroy_hrtimer_on_stack kernel/time/hrtimer.c:452 [inline]
hrtimer_nanosleep+0x3ab/0x490 kernel/time/hrtimer.c:2112
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1308 [inline]
__se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1285
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd3605961b5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffe69188c10 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000106 RCX: 00007fd3605961b5
RDX: 00007ffe69188c50 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffe69188cdc R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000002af53 R14: 000000000002ac33 R15: 000000000000001e
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g14529 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=8219
rcu: rcu_preempt kthread starved for 10506 jiffies! g14529 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:26720 pid: 15 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
kthread+0x3f6/0x4f0 kernel/kthread.c:319
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: 3551 Comm: syz-executor.4 Not tainted 5.15.146-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xc/0x60 kernel/kcov.c:197
Code: 89 fb e8 17 00 00 00 48 8b 3d 28 75 63 0c 48 89 de 5b e9 97 db 48 00 cc cc cc cc cc cc cc 48 8b 04 24 65 48 8b 0d 74 45 82 7e <65> 8b 15 75 45 82 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74
RSP: 0000:ffffc900000075e0 EFLAGS: 00000046
RAX: ffffffff81a1c4a7 RBX: 0000000000000000 RCX: ffff88801e810000
RDX: ffff88801e810000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880b9a34568 R08: ffffffff81a1c44d R09: fffffbfff1bc73a6
R10: 0000000000000000 R11: dffffc0000000001 R12: fffffffffffffffe
R13: 0000000000000000 R14: ffff88813fe7c2f0 R15: 0000000000000002
FS: 00005555570fc480(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c01cf28000 CR3: 000000004348d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
perf_swevent_overflow kernel/events/core.c:9508 [inline]
perf_swevent_event+0x537/0x550 kernel/events/core.c:9546
perf_tp_event+0x363/0xc40 kernel/events/core.c:9964
perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9938
perf_trace_preemptirq_template+0x31d/0x430 include/trace/events/preemptirq.h:14
trace_irq_enable_rcuidle+0x10e/0x190 include/trace/events/preemptirq.h:40
trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:rcu_read_unlock_special+0x84/0x520 kernel/rcu/tree_plugin.h:671
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 bd d0 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0000:ffffc90000007b00 EFLAGS: 00000206
RAX: 842b5e7665fcbe00 RBX: 1ffff92000000f68 RCX: ffffffff913c6f03
RDX: dffffc0000000000 RSI: ffffffff8a8b0f80 RDI: ffffffff8ad87e00
RBP: ffffc90000007bd8 R08: ffffffff8186a728 R09: ffffed10173474da
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8c923200
R13: ffff88801e810458 R14: ffffc90000007b40 R15: 1ffff92000000f64
__rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:422
rcu_read_unlock include/linux/rcupdate.h:728 [inline]
ieee80211_rx_napi+0x1f2/0x380 net/mac80211/rx.c:5006
ieee80211_rx include/net/mac80211.h:4571 [inline]
ieee80211_tasklet_handler+0x109/0x1b0 net/mac80211/main.c:235
tasklet_action_common+0x3cb/0x4a0
__do_softirq+0x3b3/0x93a kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 a2 d3 a3 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 b7 2d 31 f7 65 8b 05 58 66 dc 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0000:ffffc90003037c40 EFLAGS: 00000206
RAX: 842b5e7665fcbe00 RBX: 1ffff92000606f8c RCX: ffffffff913c6f03
RDX: dffffc0000000000 RSI: ffffffff8a8b0f80 RDI: 0000000000000001
RBP: ffffc90003037cd0 R08: ffffffff8186a728 R09: ffffed10173474da
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000606f88 R14: ffffc90003037c60 R15: 0000000000000246
debug_object_free+0x280/0x460 lib/debugobjects.c:876
destroy_hrtimer_on_stack kernel/time/hrtimer.c:452 [inline]
hrtimer_nanosleep+0x3ab/0x490 kernel/time/hrtimer.c:2112
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1308 [inline]
__se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1285
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd3605961b5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffe69188c10 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000106 RCX: 00007fd3605961b5
RDX: 00007ffe69188c50 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffe69188cdc R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000002af53 R14: 000000000002ac33 R15: 000000000000001e