rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 ticks this GP) idle=0ebc/1/0x4000000000000000 softirq=13480/13480 fqs=2
rcu: (detected by 1, t=10504 jiffies, g=19557, q=192 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: kauditd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:__kasan_check_read+0xa/0x20 mm/kasan/shadow.c:31
Code: db eb d0 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 89 f6 48 8b 0c 24 <31> d2 e9 6f e6 ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00
RSP: 0018:ffffc90000007948 EFLAGS: 00000056
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8171a5ba
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff92ce5500
RBP: 0000000000000002 R08: ffffffff92ce5507 R09: 1ffffffff259caa0
R10: dffffc0000000000 R11: fffffbfff259caa1 R12: 0000000000000001
R13: ffff8880176eda00 R14: 000000000000000f R15: ffff8880176ee570
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30d27000 CR3: 0000000061db0000 CR4: 0000000000350ef0
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class kernel/locking/lockdep.c:228 [inline]
check_wait_context kernel/locking/lockdep.c:4774 [inline]
__lock_acquire+0x5ca/0x1fd0 kernel/locking/lockdep.c:5087
lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
debug_object_deactivate+0x158/0x390 lib/debugobjects.c:763
debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline]
debug_deactivate+0x1b/0x200 kernel/time/hrtimer.c:484
__run_hrtimer kernel/time/hrtimer.c:1660 [inline]
__hrtimer_run_queues+0x30f/0xd00 kernel/time/hrtimer.c:1756
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x109/0x3a0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0xaad/0xfd0 kernel/printk/printk.c:2979
Code: ff ff e8 86 6e 1f 00 90 0f 0b 90 e9 d8 f8 ff ff e8 78 6e 1f 00 e8 03 bd fe 09 4d 85 f6 74 b6 e8 69 6e 1f 00 fb 48 8b 44 24 70 <42> 0f b6 04 38 84 c0 48 8b 7c 24 30 0f 85 22 02 00 00 0f b6 1f 31
RSP: 0018:ffffc90000a477e0 EFLAGS: 00000293
RAX: 1ffff92000148f48 RBX: 0000000000000000 RCX: ffff8880176eda00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a47990 R08: ffffffff81758684 R09: 1ffffffff259caa0
R10: dffffc0000000000 R11: fffffbfff259caa1 R12: ffffffff8e8f8718
R13: ffffffff8e8f86c0 R14: 0000000000000200 R15: dffffc0000000000
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3042
vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2342
_printk+0xd5/0x120 kernel/printk/printk.c:2367
kauditd_printk_skb kernel/audit.c:546 [inline]
kauditd_hold_skb+0x1bc/0x210 kernel/audit.c:581
kauditd_send_queue+0x2b3/0x310 kernel/audit.c:766
kauditd_thread+0x75c/0x990 kernel/audit.c:890
kthread+0x2f2/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
rcu: rcu_preempt kthread starved for 10495 jiffies! g19557 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:25976 pid:16 tgid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6828
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2572
rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:1663
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
kthread+0x2f2/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 7795 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x1855/0x2960 kernel/smp.c:855
Code: 89 e6 83 e6 01 31 ff e8 d9 d5 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 84 d1 0b 00 eb 38 f3 90 42 0f b6 04 23 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 68 d1 0b 00 eb e4 44
RSP: 0018:ffffc9000c6a7a40 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff11017288c0d RCX: ffff88802d681e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000c6a7c40 R08: ffffffff818923b7 R09: 1ffffffff259caa0
R10: dffffc0000000000 R11: fffffbfff259caa1 R12: dffffc0000000000
R13: ffff8880b9446068 R14: ffff8880b953f480 R15: 0000000000000000
FS: 000055557f66c480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010000 CR3: 00000000233ba000 CR4: 0000000000350ef0
Call Trace:
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2086 [inline]
text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2296
text_poke_flush arch/x86/kernel/alternative.c:2487 [inline]
text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2494
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
__static_key_slow_dec_cpuslocked+0x10b/0x170 kernel/jump_label.c:276
__static_key_slow_dec kernel/jump_label.c:283 [inline]
static_key_slow_dec+0x51/0xa0 kernel/jump_label.c:298
bpf_stats_release+0x23/0x40 kernel/bpf/syscall.c:5439
__fput+0x42b/0x8a0 fs/file_table.c:422
__do_sys_close fs/open.c:1556 [inline]
__se_sys_close fs/open.c:1541 [inline]
__x64_sys_close+0x7f/0x110 fs/open.c:1541
do_syscall_64+0xfd/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fd7f367cc9a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffe7c869270 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd7f367cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b31320000 R09: 0000000000000185
R10: 0000000081360ad3 R11: 0000000000000293 R12: 00007fd7f3200aa8
R13: ffffffffffffffff R14: 00007fd7f3200000 R15: 000000000002657f
watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [syz-executor.1:7795]
Modules linked in:
irq event stamp: 998170
hardirqs last enabled at (998169): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:351
hardirqs last disabled at (998170): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1043
softirqs last enabled at (998168): [] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last enabled at (998168): [] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
softirqs last disabled at (998117): [] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last disabled at (998117): [] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
CPU: 1 PID: 7795 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x1855/0x2960 kernel/smp.c:855
Code: 89 e6 83 e6 01 31 ff e8 d9 d5 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 84 d1 0b 00 eb 38 f3 90 42 0f b6 04 23 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 68 d1 0b 00 eb e4 44
RSP: 0018:ffffc9000c6a7a40 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff11017288c0d RCX: ffff88802d681e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000c6a7c40 R08: ffffffff818923b7 R09: 1ffffffff259caa0
R10: dffffc0000000000 R11: fffffbfff259caa1 R12: dffffc0000000000
R13: ffff8880b9446068 R14: ffff8880b953f480 R15: 0000000000000000
FS: 000055557f66c480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010000 CR3: 00000000233ba000 CR4: 0000000000350ef0
Call Trace:
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2086 [inline]
text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2296
text_poke_flush arch/x86/kernel/alternative.c:2487 [inline]
text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2494
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
__static_key_slow_dec_cpuslocked+0x10b/0x170 kernel/jump_label.c:276
__static_key_slow_dec kernel/jump_label.c:283 [inline]
static_key_slow_dec+0x51/0xa0 kernel/jump_label.c:298
bpf_stats_release+0x23/0x40 kernel/bpf/syscall.c:5439
__fput+0x42b/0x8a0 fs/file_table.c:422
__do_sys_close fs/open.c:1556 [inline]
__se_sys_close fs/open.c:1541 [inline]
__x64_sys_close+0x7f/0x110 fs/open.c:1541
do_syscall_64+0xfd/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fd7f367cc9a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffe7c869270 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd7f367cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b31320000 R09: 0000000000000185
R10: 0000000081360ad3 R11: 0000000000000293 R12: 00007fd7f3200aa8
R13: ffffffffffffffff R14: 00007fd7f3200000 R15: 000000000002657f
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: kauditd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:advance_sched+0x4ed/0xca0
Code: 8b 03 48 39 c5 48 0f 4c c5 48 89 44 24 10 41 0f b7 f4 31 ff 48 89 cb e8 51 6b 13 f8 66 45 85 e4 0f 8e 66 02 00 00 48 8b 04 24 <48> 05 30 01 00 00 48 89 44 24 38 44 89 e0 48 8d 6b 80 48 ff c8 48
RSP: 0018:ffffc90000007c90 EFLAGS: 00000002
RAX: ffff88801f035000 RBX: ffff88801f036940 RCX: ffff88801f036940
RDX: ffff8880176eda00 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 17cc57e3a8000000 R08: ffffffff89818d9f R09: fffff52000000f80
R10: dffffc0000000000 R11: fffff52000000f80 R12: 0000000000000002
R13: 17cc57e3a4000000 R14: ffff88801f036800 R15: ffff88802f101340
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30d27000 CR3: 0000000061db0000 CR4: 0000000000350ef0
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1692 [inline]
__hrtimer_run_queues+0x597/0xd00 kernel/time/hrtimer.c:1756
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x109/0x3a0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0xaad/0xfd0 kernel/printk/printk.c:2979
Code: ff ff e8 86 6e 1f 00 90 0f 0b 90 e9 d8 f8 ff ff e8 78 6e 1f 00 e8 03 bd fe 09 4d 85 f6 74 b6 e8 69 6e 1f 00 fb 48 8b 44 24 70 <42> 0f b6 04 38 84 c0 48 8b 7c 24 30 0f 85 22 02 00 00 0f b6 1f 31
RSP: 0018:ffffc90000a477e0 EFLAGS: 00000293
RAX: 1ffff92000148f48 RBX: 0000000000000000 RCX: ffff8880176eda00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a47990 R08: ffffffff81758684 R09: 1ffffffff259caa0
R10: dffffc0000000000 R11: fffffbfff259caa1 R12: ffffffff8e8f8718
R13: ffffffff8e8f86c0 R14: 0000000000000200 R15: dffffc0000000000
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3042
vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2342
_printk+0xd5/0x120 kernel/printk/printk.c:2367
kauditd_printk_skb kernel/audit.c:546 [inline]
kauditd_hold_skb+0x1bc/0x210 kernel/audit.c:581
kauditd_send_queue+0x2b3/0x310 kernel/audit.c:766
kauditd_thread+0x75c/0x990 kernel/audit.c:890
kthread+0x2f2/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243