audit: audit_backlog=65 > audit_backlog_limit=64
audit: audit_lost=242269 audit_rate_limit=0 audit_backlog_limit=64
audit: backlog limit exceeded
audit: audit_backlog=65 > audit_backlog_limit=64
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (0 ticks this GP) idle=4b7c/1/0x4000000000000000 softirq=93092/93092 fqs=16
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P25435/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=107489, q=235 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 25436 Comm: syz.5.8477 Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:_raw_spin_lock_irqsave+0xa/0x120 kernel/locking/spinlock.c:161
Code: c4 08 48 89 df 5b e9 45 c0 b8 f5 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 e4 e0 48 83 ec 60 49 89 fe 65 48 8b 04
RSP: 0018:ffffc90000007bc8 EFLAGS: 00000006
RAX: 00000000000003a0 RBX: ffffffff9a5f11f0 RCX: 00000000000139f0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9a5f11f8
RBP: ffffc90000007bd0 R08: ffffc90000007c4f R09: 0000000000000000
R10: ffffc90000007c40 R11: fffff52000000f8a R12: ffffc90000007c40
R13: 1ffff92000000f84 R14: dffffc0000000000 R15: 000ffff888030540
FS: 00007f0afa3f66c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e41dff8 CR3: 0000000034ee6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
debug_object_activate+0x17f/0x580 lib/debugobjects.c:818
debug_hrtimer_activate kernel/time/hrtimer.c:428 [inline]
debug_activate kernel/time/hrtimer.c:469 [inline]
enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1076
__run_hrtimer kernel/time/hrtimer.c:1756 [inline]
__hrtimer_run_queues+0x6cb/0xd30 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:__loadsegment_fs arch/x86/include/asm/segment.h:332 [inline]
RIP: 0010:mm_release+0xa7/0x430 kernel/fork.c:1630
Code: c6 44 0c 0b f3 e8 89 40 40 00 4c 89 f7 e8 41 84 76 00 4c 89 f7 e8 f9 c5 ec ff e9 4c 02 00 00 e8 6f 40 40 00 31 ff f2 0f 00 f7 <8e> 25 23 1c aa 0a 4d 8d be 98 06 00 00 4d 89 fd 49 c1 ed 03 48 b8
RSP: 0018:ffffc9000463f920 EFLAGS: 00000293
RAX: ffffffff815f36af RBX: ffff88806dde5f00 RCX: ffff8880286cda00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000463f9f0 R08: ffffffff815f367c R09: 1ffffffff20309f6
R10: dffffc0000000000 R11: fffffbfff20309f7 R12: 1ffff920008c7f28
R13: 0000000000000046 R14: ffff8880286cda00 R15: 0000000000000000
exit_mm+0xb0/0x310 kernel/exit.c:543
do_exit+0x9b2/0x28e0 kernel/exit.c:925
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16b2/0x1750 kernel/signal.c:3017
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0afc585d29
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:00007f0afa3f60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f0afc775fa8 RCX: 00007f0afc585d29
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0afc775fa8
RBP: 00007f0afc775fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0afc775fac
R13: 0000000000000000 R14: 00007ffdf72035b0 R15: 00007ffdf7203698
task:dhcpcd-run-hook state:R running task stack:24096 pid:25435 tgid:25435 ppid:5487 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078
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_acquire+0x264/0x550 kernel/locking/lockdep.c:5853
Code: 2b 00 74 08 4c 89 f7 e8 0a a1 88 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000424ec60 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000849d98 RCX: ffff88802f1ca8d8
RDX: dffffc0000000000 RSI: ffffffff8c0aa960 RDI: ffffffff8c5ed8a0
RBP: ffffc9000424edb0 R08: ffffffff94270887 R09: 1ffffffff284e110
R10: dffffc0000000000 R11: fffffbfff284e111 R12: 1ffff92000849d94
R13: dffffc0000000000 R14: ffffc9000424ecc0 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
is_bpf_text_address+0x46/0x2a0 kernel/bpf/core.c:772
kernel_text_address+0xa7/0xe0 kernel/extable.c:125
__kernel_text_address+0xd/0x40 kernel/extable.c:79
unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:369
arch_stack_walk+0xfd/0x150 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:319 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4119 [inline]
slab_alloc_node mm/slub.c:4168 [inline]
kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4220
__alloc_skb+0x1c3/0x440 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1323 [inline]
nlmsg_new include/net/netlink.h:1018 [inline]
audit_buffer_alloc kernel/audit.c:1795 [inline]
audit_log_start+0x186/0xa30 kernel/audit.c:1913
common_lsm_audit+0xdd/0x1ce0 security/lsm_audit.c:449
smack_log+0x421/0x540 security/smack/smack_access.c:383
smk_tskacc+0x300/0x370 security/smack/smack_access.c:253
smack_inode_permission+0x2dc/0x380 security/smack/smack_lsm.c:1234
security_inode_permission+0x101/0x320 security/security.c:2319
may_lookup fs/namei.c:1834 [inline]
link_path_walk+0x891/0xea0 fs/namei.c:2425
path_lookupat+0xa9/0x450 fs/namei.c:2633
filename_lookup+0x2a3/0x670 fs/namei.c:2663
vfs_statx+0x103/0x490 fs/stat.c:344
vfs_fstatat+0xe5/0x130 fs/stat.c:366
__do_sys_newfstatat fs/stat.c:530 [inline]
__se_sys_newfstatat fs/stat.c:524 [inline]
__x64_sys_newfstatat+0x11d/0x1a0 fs/stat.c:524
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: 0033:0x7f5d4a7568a9
RSP: 002b:00007fffd43bf498 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007f5d4a733000 RCX: 00007f5d4a7568a9
RDX: 00007fffd43bf540 RSI: 00007fffd43bf4a0 RDI: 00000000ffffff9c
RBP: 00007fffd43bf600 R08: 0000000000080000 R09: 00007fffd43bf4a0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffd43bf4a0
R13: 0000000000000006 R14: 00007f5d4a768a40 R15: 00000000ffffffff
rcu: rcu_preempt kthread starved for 10470 jiffies! g107489 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:24528 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
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:
CPU: 1 UID: 0 PID: 5871 Comm: kworker/1:4 Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Workqueue: events drain_vmap_area_work
RIP: 0010:smp_call_function_many_cond+0x1a0b/0x2c60 kernel/smp.c:884
Code: 00 00 00 00 fc ff df 75 07 e8 01 e5 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 e5 e4 0b 00 e4 44 89 e9 80 e1 07 80 c1 03 38 c1 7c e2 4c 89 ef e8 3e c2 6f
RSP: 0018:ffffc9000420f900 EFLAGS: 00000293
RAX: ffffffff81938ebb RBX: 1ffff110170c8c65 RCX: ffff888030ad1e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000420faf0 R08: ffffffff81938e8a R09: 1ffffffff284e110
R10: dffffc0000000000 R11: fffffbfff284e111 R12: dffffc0000000000
R13: ffff8880b8646328 R14: ffff8880b873f940 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f81cff8 CR3: 0000000057f4c000 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
__purge_vmap_area_lazy+0x458/0xae0 mm/vmalloc.c:2284
drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2338
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
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