rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8055/2:b..l
rcu: (detected by 1, t=10505 jiffies, g=21813, q=499 ncpus=2)
task:syz.7.603 state:R running task stack:23664 pid:8055 tgid:8054 ppid:7151 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6753
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7075
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x13b/0x190
Code: 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 42 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90003486fc0 EFLAGS: 00000206
RAX: d1ab15a91aabf300 RBX: 0000000000000001 RCX: 0000000080000000
RDX: ffff88802f455a00 RSI: ffffffff8c0aea60 RDI: ffffffff8c605b60
RBP: 0000000000000001 R08: ffffffff8bc1d237 R09: ffffffff8bc24c3b
R10: 0000000000000002 R11: ffff88802f455a00 R12: 0000000000000246
R13: ffff88802f455a00 R14: 00000000ffffffff R15: ffffffff8e93c560
xa_head include/linux/xarray.h:1204 [inline]
xas_start+0x2d7/0x7b0 lib/xarray.c:190
xas_load+0x2c/0x5c0 lib/xarray.c:238
xas_find+0x13f/0x960 lib/xarray.c:1266
next_uptodate_folio+0x29/0xa40 mm/filemap.c:3494
filemap_map_pages+0x2f3/0x20d0 mm/filemap.c:3646
do_fault_around mm/memory.c:5280 [inline]
do_read_fault mm/memory.c:5313 [inline]
do_fault mm/memory.c:5456 [inline]
do_pte_missing mm/memory.c:3979 [inline]
handle_pte_fault+0x3a7d/0x66b0 mm/memory.c:5801
__handle_mm_fault mm/memory.c:5944 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6112
faultin_page mm/gup.c:1187 [inline]
__get_user_pages+0x1c82/0x49e0 mm/gup.c:1485
populate_vma_page_range+0x264/0x330 mm/gup.c:1923
__mm_populate+0x27a/0x460 mm/gup.c:2026
mm_populate include/linux/mm.h:3386 [inline]
vm_mmap_pgoff+0x303/0x430 mm/util.c:585
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f590bd7e719
RSP: 002b:00007f590cc59038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f590bf35f80 RCX: 00007f590bd7e719
RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f590bdf139e R08: ffffffffffffffff R09: 000000006a855000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f590bf35f80 R15: 00007ffe11416c48
rcu: rcu_preempt kthread timer wakeup didn't happen for 10502 jiffies! g21813 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=9664
rcu: rcu_preempt kthread starved for 10503 jiffies! g21813 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:25784 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6753
__schedule_loop kernel/sched/core.c:6830 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6845
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 29 Comm: kauditd Not tainted 6.12.0-rc6-next-20241108-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:validate_chain+0xb6/0x5920 kernel/locking/lockdep.c:3860
Code: f2 00 4a 89 44 21 09 4a 89 44 21 11 48 b8 f2 f2 f2 f2 f2 00 00 00 4a 89 44 21 1f 48 b8 f2 f2 f2 f2 f2 00 f3 f3 4a 89 44 21 2b <48> 89 8c 24 c0 00 00 00 42 c6 44 21 33 f3 48 89 b4 24 b0 00 00 00
RSP: 0018:ffffc90000007620 EFLAGS: 00000806
RAX: f3f300f2f2f2f2f2 RBX: ffffffff93c30780 RCX: 1ffff92000000ee4
RDX: 0000000000000000 RSI: ffff88801e6a2958 RDI: ffff88801e6a1e00
RBP: ffffc90000007920 R08: ffffffff942b8887 R09: 1ffffffff2857110
R10: dffffc0000000000 R11: fffffbfff2857111 R12: dffffc0000000000
R13: ffff88801e6a1e00 R14: 71a5d68fa1cc311c R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555590133588 CR3: 000000003208a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
__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:873
debug_hrtimer_deactivate kernel/time/hrtimer.c:433 [inline]
debug_deactivate+0x1b/0x220 kernel/time/hrtimer.c:475
__run_hrtimer kernel/time/hrtimer.c:1707 [inline]
__hrtimer_run_queues+0x305/0xd50 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x996/0xeb0
Code: 48 21 c3 0f 85 16 02 00 00 e8 e6 c3 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 d7 c3 20 00 eb 06 e8 d0 c3 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 d6 3d 8b 00 4c 8b
RSP: 0018:ffffc90000a57820 EFLAGS: 00000293
RAX: ffffffff817eb840 RBX: ffffffff8f17f1b8 RCX: ffff88801e6a1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a579d0 R08: ffffffff817eb817 R09: 1ffffffff2857110
R10: dffffc0000000000 R11: fffffbfff2857111 R12: ffffffff8f17f160
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc90000a57a20
__console_flush_and_unlock kernel/printk/printk.c:3258 [inline]
console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3298
vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2426
_printk+0xd5/0x120 kernel/printk/printk.c:2451
kauditd_printk_skb kernel/audit.c:546 [inline]
kauditd_hold_skb+0x1be/0x210 kernel/audit.c:581
kauditd_send_queue+0x2b1/0x310 kernel/audit.c:766
kauditd_thread+0x74a/0x9b0 kernel/audit.c:890
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz.2.608:8071]
Modules linked in:
irq event stamp: 614234
hardirqs last enabled at (614233): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357
hardirqs last disabled at (614234): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049
softirqs last enabled at (614224): [] __do_softirq kernel/softirq.c:588 [inline]
softirqs last enabled at (614224): [] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last enabled at (614224): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655
softirqs last disabled at (614101): [] __do_softirq kernel/softirq.c:588 [inline]
softirqs last disabled at (614101): [] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last disabled at (614101): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655
CPU: 1 UID: 0 PID: 8071 Comm: syz.2.608 Not tainted 6.12.0-rc6-next-20241108-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x19f8/0x2ca0 kernel/smp.c:884
Code: 89 e6 83 e6 01 31 ff e8 86 f6 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 31 f2 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 15 f2 0b 00 eb e4 44
RSP: 0018:ffffc900034073e0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff110170c8c61 RCX: 0000000000040000
RDX: ffffc90004be4000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900034075e0 R08: ffffffff819389ca R09: 1ffffffff2857110
R10: dffffc0000000000 R11: fffffbfff2857111 R12: dffffc0000000000
R13: ffff8880b8646308 R14: ffff8880b873f980 R15: 0000000000000000
FS: 00007f93333846c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff1cff8 CR3: 0000000033f84000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2114 [inline]
text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2324
text_poke_bp+0xb0/0x100 arch/x86/kernel/alternative.c:2551
__static_call_transform+0x51a/0x810 arch/x86/kernel/static_call.c:111
arch_static_call_transform+0x141/0x380 arch/x86/kernel/static_call.c:163
__static_call_update+0xd8/0x5e0 kernel/static_call_inline.c:147
tracepoint_update_call kernel/tracepoint.c:271 [inline]
tracepoint_add_func+0x925/0xaa0 kernel/tracepoint.c:312
tracepoint_probe_register_prio_may_exist+0x122/0x190 kernel/tracepoint.c:435
bpf_raw_tp_link_attach+0x4a3/0x700 kernel/bpf/syscall.c:3981
bpf_raw_tracepoint_open+0x177/0x1f0 kernel/bpf/syscall.c:4012
__sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5827
__do_sys_bpf kernel/bpf/syscall.c:5892 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5890 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5890
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f933257e719
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9333384038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f9332735f80 RCX: 00007f933257e719
RDX: 0000000000000010 RSI: 0000000020000500 RDI: 0000000000000011
RBP: 00007f93325f139e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9332735f80 R15: 00007ffe3639daa8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 29 Comm: kauditd Not tainted 6.12.0-rc6-next-20241108-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:kasan_check_range+0x1b7/0x290 mm/kasan/generic.c:189
Code: f5 4d 01 fb 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 41 80 3b 00 0f 85 a6 00 00 00 49 ff c3 48 ff cd 75 ee <5b> 41 5c 41 5e 41 5f 5d c3 cc cc cc cc 40 84 ed 75 5f f7 c5 00 ff
RSP: 0018:ffffc90000007c50 EFLAGS: 00000056
RAX: ffffffff8bbfcd01 RBX: 1ffff1100665ca68 RCX: ffffffff8bbfcd40
RDX: 0000000000000001 RSI: 0000000000000018 RDI: ffff8880332e5340
RBP: 0000000000000000 R08: ffff8880332e5357 R09: 1ffff1100665ca6a
R10: dffffc0000000000 R11: ffffed100665ca6b R12: ffff8880b862c9d0
R13: ffff8880b862c9d0 R14: dffffc0000000001 R15: ffffed100665ca6b
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555590133588 CR3: 000000003208a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__asan_memset+0x23/0x50 mm/kasan/shadow.c:84
rb_link_node include/linux/rbtree.h:63 [inline]
rb_add_cached include/linux/rbtree.h:182 [inline]
timerqueue_add+0x200/0x290 lib/timerqueue.c:40
enqueue_hrtimer+0x1b2/0x3c0 kernel/time/hrtimer.c:1084
__run_hrtimer kernel/time/hrtimer.c:1756 [inline]
__hrtimer_run_queues+0x6cb/0xd50 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x996/0xeb0
Code: 48 21 c3 0f 85 16 02 00 00 e8 e6 c3 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 d7 c3 20 00 eb 06 e8 d0 c3 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 d6 3d 8b 00 4c 8b
RSP: 0018:ffffc90000a57820 EFLAGS: 00000293
RAX: ffffffff817eb840 RBX: ffffffff8f17f1b8 RCX: ffff88801e6a1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a579d0 R08: ffffffff817eb817 R09: 1ffffffff2857110
R10: dffffc0000000000 R11: fffffbfff2857111 R12: ffffffff8f17f160
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc90000a57a20
__console_flush_and_unlock kernel/printk/printk.c:3258 [inline]
console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3298
vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2426
_printk+0xd5/0x120 kernel/printk/printk.c:2451
kauditd_printk_skb kernel/audit.c:546 [inline]
kauditd_hold_skb+0x1be/0x210 kernel/audit.c:581
kauditd_send_queue+0x2b1/0x310 kernel/audit.c:766
kauditd_thread+0x74a/0x9b0 kernel/audit.c:890
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244