rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (0 ticks this GP) idle=e01/1/0x4000000000000000 softirq=41369/41369 fqs=0
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5078/1:b..l
(detected by 0, t=10502 jiffies, g=57093, q=51 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3765 Comm: syz-executor.1 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:200
Code: 4b 00 5d be 03 00 00 00 e9 66 27 82 02 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 d9 c8 88 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 6f 02 00 a9
RSP: 0000:ffffc900003f8e38 EFLAGS: 00000097
RAX: 0000000080010001 RBX: ffff888076b77b40 RCX: ffffffff8169e51e
RDX: ffff88803194e1c0 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000007
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
R13: ffff8880b9b2a600 R14: ffff8880b9b2a500 R15: ffffffff87889910
FS: 0000555555f43400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ef22000 CR3: 0000000076ee9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
cpumask_test_cpu include/linux/cpumask.h:379 [inline]
cpu_online include/linux/cpumask.h:921 [inline]
trace_hrtimer_expire_entry include/trace/events/timer.h:235 [inline]
__run_hrtimer kernel/time/hrtimer.c:1682 [inline]
__hrtimer_run_queues+0x54d/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:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:finish_task_switch.isra.0+0x2b9/0xbb0 kernel/sched/core.c:5026
Code: 8b 3b 4c 89 f7 48 c7 03 00 00 00 00 ff d2 4d 85 ff 75 bd 4c 89 f7 e8 66 f8 ff ff e8 c1 73 2e 00 fb 65 48 8b 1c 25 80 6f 02 00 <48> 8d bb 80 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0000:ffffc900043efad0 EFLAGS: 00000202
RAX: 0000000000405989 RBX: ffff88803194e1c0 RCX: 1ffffffff1b755e9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900043efb18 R08: 0000000000000001 R09: 0000000000000001
R10: ffffed10173473f8 R11: 0000000000000001 R12: ffff8880b9b3ad18
R13: ffff888026a86100 R14: ffff8880b9b39fc0 R15: ffff8880b9b3a9f8
context_switch kernel/sched/core.c:5149 [inline]
__schedule+0xa08/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
freezable_schedule include/linux/freezer.h:172 [inline]
do_nanosleep+0x24e/0x690 kernel/time/hrtimer.c:2044
hrtimer_nanosleep+0x1f9/0x4a0 kernel/time/hrtimer.c:2097
common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1227
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline]
__x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1245
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f04eaeade31
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 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 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f
RSP: 002b:00007ffd36720740 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000000000000046d RCX: 00007f04eaeade31
RDX: 00007ffd36720780 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd3672080c R08: 0000000000000000 R09: 00007ffd36773080
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000000a4127 R14: 0000000000000000 R15: 00007ffd36720870
task:kworker/u4:15 state:R running task stack:26880 pid: 5078 ppid: 2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6766
irqentry_exit+0x31/0x80 kernel/entry/common.c:428
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x1ef/0x570 kernel/locking/lockdep.c:5633
Code: f1 a4 7e 83 f8 01 0f 85 e8 02 00 00 9c 58 f6 c4 02 0f 85 fb 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:ffffc9000421fa50 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000843f4c RCX: 5f0777ff128f5ad2
RDX: 1ffff1100e7f7d4b RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff9067a907
R10: fffffbfff20cf520 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bd840a0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:269 [inline]
rcu_read_lock include/linux/rcupdate.h:695 [inline]
inet_twsk_purge+0x117/0x850 net/ipv4/inet_timewait_sock.c:269
ops_exit_list+0x125/0x170 net/core/net_namespace.c:167
cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:594
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:302
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g57093 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=25094
rcu: rcu_preempt kthread starved for 10502 jiffies! g57093 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:28824 pid: 17 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935
rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1999
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2187
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
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: 3765 Comm: syz-executor.1 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:task_irq_context kernel/locking/lockdep.c:4562 [inline]
RIP: 0010:__lock_acquire+0x325/0x5660 kernel/locking/lockdep.c:4991
Code: 74 24 40 49 89 44 24 18 65 8b 05 ae 56 a5 7e 85 c0 0f 95 c0 48 c1 e9 03 83 e6 07 0f b6 0c 11 48 89 f2 0f b6 c0 83 c2 03 01 c0 <38> ca 7c 08 84 c9 0f 85 7a 12 00 00 41 83 bd 44 0a 00 00 01 49 8d
RSP: 0000:ffffc900003f8be0 EFLAGS: 00000002
RAX: 0000000000000002 RBX: ffff8880b9b2a518 RCX: 0000000000000000
RDX: 0000000000000007 RSI: 0000000000000004 RDI: ffff88803194ec30
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803194ec20
R13: ffff88803194e1c0 R14: 0000000000000000 R15: 0000000000000001
FS: 0000555555f43400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ef22000 CR3: 0000000076ee9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5665 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0x32/0x50 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x243/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:finish_task_switch.isra.0+0x2b9/0xbb0 kernel/sched/core.c:5026
Code: 8b 3b 4c 89 f7 48 c7 03 00 00 00 00 ff d2 4d 85 ff 75 bd 4c 89 f7 e8 66 f8 ff ff e8 c1 73 2e 00 fb 65 48 8b 1c 25 80 6f 02 00 <48> 8d bb 80 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0000:ffffc900043efad0 EFLAGS: 00000202
RAX: 0000000000405989 RBX: ffff88803194e1c0 RCX: 1ffffffff1b755e9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900043efb18 R08: 0000000000000001 R09: 0000000000000001
R10: ffffed10173473f8 R11: 0000000000000001 R12: ffff8880b9b3ad18
R13: ffff888026a86100 R14: ffff8880b9b39fc0 R15: ffff8880b9b3a9f8
context_switch kernel/sched/core.c:5149 [inline]
__schedule+0xa08/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
freezable_schedule include/linux/freezer.h:172 [inline]
do_nanosleep+0x24e/0x690 kernel/time/hrtimer.c:2044
hrtimer_nanosleep+0x1f9/0x4a0 kernel/time/hrtimer.c:2097
common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1227
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline]
__x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1245
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f04eaeade31
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 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 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f
RSP: 002b:00007ffd36720740 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000000000000046d RCX: 00007f04eaeade31
RDX: 00007ffd36720780 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd3672080c R08: 0000000000000000 R09: 00007ffd36773080
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000000a4127 R14: 0000000000000000 R15: 00007ffd36720870
watchdog: BUG: soft lockup - CPU#0 stuck for 248s! [syz-executor.3:10960]
Modules linked in:
irq event stamp: 102392
hardirqs last enabled at (102391): [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
hardirqs last disabled at (102392): [] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1106
softirqs last enabled at (990): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last enabled at (990): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
softirqs last disabled at (859): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last disabled at (859): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
CPU: 0 PID: 10960 Comm: syz-executor.3 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:csd_lock_wait kernel/smp.c:414 [inline]
RIP: 0010:smp_call_function_many_cond+0x499/0x1110 kernel/smp.c:988
Code: 01 89 ee e8 69 98 0a 00 85 ed 74 47 48 8b 04 24 49 89 c4 83 e0 07 49 c1 ec 03 48 89 c5 4d 01 fc 83 c5 03 e8 09 9c 0a 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 21 0a 00 00 8b 43 08 31
RSP: 0018:ffffc900034575e0 EFLAGS: 00000246
RAX: 0000000000040000 RBX: ffff8880b9b3f760 RCX: ffffc900038ab000
RDX: 0000000000040000 RSI: ffffffff816f0a57 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffed1017367eed
R13: 0000000000000001 R14: 0000000000000001 R15: dffffc0000000000
FS: 00007f35daa4a700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202bf002 CR3: 000000007812c000 CR4: 00000000003506f0
Call Trace:
on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1154
__purge_vmap_area_lazy+0x1f6/0x1c50 mm/vmalloc.c:1701
_vm_unmap_aliases.part.0+0x3f0/0x500 mm/vmalloc.c:2125
_vm_unmap_aliases mm/vmalloc.c:2099 [inline]
vm_unmap_aliases+0x45/0x50 mm/vmalloc.c:2148
change_page_attr_set_clr+0x241/0x500 arch/x86/mm/pat/set_memory.c:1732
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1789 [inline]
set_memory_ro+0x78/0xa0 arch/x86/mm/pat/set_memory.c:1980
bpf_prog_lock_ro include/linux/filter.h:883 [inline]
bpf_prog_select_runtime+0x504/0x640 kernel/bpf/core.c:2232
bpf_prog_load+0xfe6/0x2250 kernel/bpf/syscall.c:2579
__sys_bpf+0x11a1/0x5700 kernel/bpf/syscall.c:4917
__do_sys_bpf kernel/bpf/syscall.c:5021 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5019 [inline]
__x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5019
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f35d9889109
================================
WARNING: inconsistent lock state
5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0 Not tainted
--------------------------------
inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
syz-executor.3/10960 [HC1[1]:SC0[0]:HE0:SE1] takes:
ffffffff8beb3318 (vmap_area_lock){?.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline]
ffffffff8beb3318 (vmap_area_lock){?.+.}-{2:2}, at: find_vmap_area+0x1c/0x130 mm/vmalloc.c:1805
{HARDIRQ-ON-W} state was registered at:
lock_acquire kernel/locking/lockdep.c:5665 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
alloc_vmap_area+0xa49/0x1f00 mm/vmalloc.c:1586
__get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2453
__vmalloc_node_range+0x250/0x13e0 mm/vmalloc.c:3125
__vmalloc_node mm/vmalloc.c:3230 [inline]
__vmalloc+0x69/0x80 mm/vmalloc.c:3244
pcpu_mem_zalloc mm/percpu.c:516 [inline]
pcpu_mem_zalloc+0x51/0xa0 mm/percpu.c:508
pcpu_alloc_chunk mm/percpu.c:1454 [inline]
pcpu_create_chunk+0xd7/0x930 mm/percpu-vm.c:338
pcpu_alloc+0x1012/0x13d0 mm/percpu.c:1834
alloc_kmem_cache_cpus.constprop.0+0x29/0xc0 mm/slab.c:1729
do_tune_cpucache+0x37/0x230 mm/slab.c:3844
enable_cpucache+0x3c/0xa0 mm/slab.c:3938
kmem_cache_init_late+0x33/0x66 mm/slab.c:1276
start_kernel+0x2f5/0x48f init/main.c:1058
secondary_startup_64_no_verify+0xce/0xdb
irq event stamp: 102392
hardirqs last enabled at (102391): [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
hardirqs last disabled at (102392): [] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1106
softirqs last enabled at (990): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last enabled at (990): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
softirqs last disabled at (859): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last disabled at (859): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(vmap_area_lock);
lock(vmap_area_lock);
*** DEADLOCK ***
1 lock held by syz-executor.3/10960:
#0: ffffffff8beb2fe8 (vmap_purge_lock){+.+.}-{3:3}, at: _vm_unmap_aliases.part.0+0x382/0x500 mm/vmalloc.c:2123
stack backtrace:
CPU: 0 PID: 10960 Comm: syz-executor.3 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_usage_bug kernel/locking/lockdep.c:3961 [inline]
valid_state kernel/locking/lockdep.c:3973 [inline]
mark_lock_irq kernel/locking/lockdep.c:4176 [inline]
mark_lock.part.0.cold+0x18/0xd8 kernel/locking/lockdep.c:4632
mark_lock kernel/locking/lockdep.c:4596 [inline]
mark_usage kernel/locking/lockdep.c:4524 [inline]
__lock_acquire+0x14ad/0x5660 kernel/locking/lockdep.c:5007
lock_acquire kernel/locking/lockdep.c:5665 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
find_vmap_area+0x1c/0x130 mm/vmalloc.c:1805
check_heap_object mm/usercopy.c:176 [inline]
__check_object_size mm/usercopy.c:250 [inline]
__check_object_size+0x1f8/0x700 mm/usercopy.c:212
check_object_size include/linux/thread_info.h:199 [inline]
__copy_from_user_inatomic include/linux/uaccess.h:62 [inline]
copy_from_user_nmi arch/x86/lib/usercopy.c:47 [inline]
copy_from_user_nmi+0xcb/0x130 arch/x86/lib/usercopy.c:31
copy_code arch/x86/kernel/dumpstack.c:91 [inline]
show_opcodes+0x59/0xb0 arch/x86/kernel/dumpstack.c:121
show_iret_regs+0xd/0x33 arch/x86/kernel/dumpstack.c:149
__show_regs+0x1e/0x60 arch/x86/kernel/process_64.c:74
show_trace_log_lvl+0x25b/0x2ba arch/x86/kernel/dumpstack.c:292
watchdog_timer_fn+0x469/0x5d0 kernel/watchdog.c:435
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:csd_lock_wait kernel/smp.c:414 [inline]
RIP: 0010:smp_call_function_many_cond+0x499/0x1110 kernel/smp.c:988
Code: 01 89 ee e8 69 98 0a 00 85 ed 74 47 48 8b 04 24 49 89 c4 83 e0 07 49 c1 ec 03 48 89 c5 4d 01 fc 83 c5 03 e8 09 9c 0a 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 21 0a 00 00 8b 43 08 31
RSP: 0018:ffffc900034575e0 EFLAGS: 00000246
RAX: 0000000000040000 RBX: ffff8880b9b3f760 RCX: ffffc900038ab000
RDX: 0000000000040000 RSI: ffffffff816f0a57 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffed1017367eed
R13: 0000000000000001 R14: 0000000000000001 R15: dffffc0000000000
on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1154
__purge_vmap_area_lazy+0x1f6/0x1c50 mm/vmalloc.c:1701
_vm_unmap_aliases.part.0+0x3f0/0x500 mm/vmalloc.c:2125
_vm_unmap_aliases mm/vmalloc.c:2099 [inline]
vm_unmap_aliases+0x45/0x50 mm/vmalloc.c:2148
change_page_attr_set_clr+0x241/0x500 arch/x86/mm/pat/set_memory.c:1732
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1789 [inline]
set_memory_ro+0x78/0xa0 arch/x86/mm/pat/set_memory.c:1980
bpf_prog_lock_ro include/linux/filter.h:883 [inline]
bpf_prog_select_runtime+0x504/0x640 kernel/bpf/core.c:2232
bpf_prog_load+0xfe6/0x2250 kernel/bpf/syscall.c:2579
__sys_bpf+0x11a1/0x5700 kernel/bpf/syscall.c:4917
__do_sys_bpf kernel/bpf/syscall.c:5021 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5019 [inline]
__x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5019
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f35d9889109
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f35daa4a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f35d999bf60 RCX: 00007f35d9889109
RDX: 0000000000000048 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 00007f35d98e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda101f71f R14: 00007f35daa4a300 R15: 0000000000022000
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f35daa4a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f35d999bf60 RCX: 00007f35d9889109
RDX: 0000000000000048 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 00007f35d98e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda101f71f R14: 00007f35daa4a300 R15: 0000000000022000
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3765 Comm: syz-executor.1 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rb_erase_cached include/linux/rbtree.h:124 [inline]
RIP: 0010:timerqueue_del+0xe5/0x140 lib/timerqueue.c:57
Code: 83 c4 08 5b 5d 41 5c c3 e8 a8 ce 58 fd 48 89 df e8 00 98 ff ff 4c 89 e1 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 11 00 <75> 40 48 89 45 08 eb 82 e8 7e ce 58 fd 0f 0b e9 4c ff ff ff 48 89
RSP: 0000:ffffc900003f8dd8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff888076b77b40 RCX: 1ffff110173654cb
RDX: dffffc0000000000 RSI: ffffffff8420d7b8 RDI: ffff888076b77b48
RBP: ffff8880b9b2a650 R08: 0000000000000006 R09: 0000000000000001
R10: ffff888076b77b40 R11: 0000000000000001 R12: ffff8880b9b2a658
R13: 0000000000000000 R14: ffff8880b9b2a500 R15: 0000000000000000
FS: 0000555555f43400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ef22000 CR3: 0000000076ee9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__remove_hrtimer+0xa1/0x2a0 kernel/time/hrtimer.c:1116
__run_hrtimer kernel/time/hrtimer.c:1665 [inline]
__hrtimer_run_queues+0x4ea/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:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:finish_task_switch.isra.0+0x2b9/0xbb0 kernel/sched/core.c:5026
Code: 8b 3b 4c 89 f7 48 c7 03 00 00 00 00 ff d2 4d 85 ff 75 bd 4c 89 f7 e8 66 f8 ff ff e8 c1 73 2e 00 fb 65 48 8b 1c 25 80 6f 02 00 <48> 8d bb 80 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0000:ffffc900043efad0 EFLAGS: 00000202
RAX: 0000000000405989 RBX: ffff88803194e1c0 RCX: 1ffffffff1b755e9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900043efb18 R08: 0000000000000001 R09: 0000000000000001
R10: ffffed10173473f8 R11: 0000000000000001 R12: ffff8880b9b3ad18
R13: ffff888026a86100 R14: ffff8880b9b39fc0 R15: ffff8880b9b3a9f8
context_switch kernel/sched/core.c:5149 [inline]
__schedule+0xa08/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
freezable_schedule include/linux/freezer.h:172 [inline]
do_nanosleep+0x24e/0x690 kernel/time/hrtimer.c:2044
hrtimer_nanosleep+0x1f9/0x4a0 kernel/time/hrtimer.c:2097
common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1227
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline]
__x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1245
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f04eaeade31
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 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 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f
RSP: 002b:00007ffd36720740 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000000000000046d RCX: 00007f04eaeade31
RDX: 00007ffd36720780 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd3672080c R08: 0000000000000000 R09: 00007ffd36773080
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000000a4127 R14: 0000000000000000 R15: 00007ffd36720870
----------------
Code disassembly (best guess):
0: 4b 00 5d be rex.WXB add %bl,-0x42(%r13)
4: 03 00 add (%rax),%eax
6: 00 00 add %al,(%rax)
8: e9 66 27 82 02 jmpq 0x2822773
d: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
13: 48 8b be a8 01 00 00 mov 0x1a8(%rsi),%rdi
1a: e8 b4 ff ff ff callq 0xffffffd3
1f: 31 c0 xor %eax,%eax
21: c3 retq
22: 90 nop
23: 65 8b 05 d9 c8 88 7e mov %gs:0x7e88c8d9(%rip),%eax # 0x7e88c903
* 2a: 89 c1 mov %eax,%ecx <-- trapping instruction
2c: 48 8b 34 24 mov (%rsp),%rsi
30: 81 e1 00 01 00 00 and $0x100,%ecx
36: 65 48 8b 14 25 80 6f mov %gs:0x26f80,%rdx
3d: 02 00
3f: a9 .byte 0xa9