audit: audit_backlog=65 > audit_backlog_limit=64
audit: audit_lost=151069 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=b314/1/0x4000000000000000 softirq=119267/119267 fqs=1
rcu: (detected by 1, t=10506 jiffies, g=139109, q=271 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5830 Comm: syz-executor Not tainted 6.16.0-rc1-syzkaller-00157-g02adc1490e6d #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:hrtimer_get_softexpires_tv64 include/linux/hrtimer.h:149 [inline]
RIP: 0010:__hrtimer_run_queues+0x229/0xc60 kernel/time/hrtimer.c:1822
Code: 4c 24 20 48 c1 e9 03 48 89 4c 24 30 4c 89 7c 24 60 48 8b 9c 24 e0 00 00 00 4d 8d 74 24 20 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 f7 e8 fd 3a 73 00 4d 8b 36 48 89 df 4c 89 f6 e8 9f f0
RSP: 0018:ffffc90000007d40 EFLAGS: 00000046
RAX: 1ffff110057a706c RBX: 1bc16d674ec87de3 RCX: ffff888033acbc00
RDX: 0000000000010000 RSI: 1ffff110170c4f7a RDI: ffff88802bd38340
RBP: ffffc90000007e90 R08: ffff88802bd38357 R09: 0000000000000000
R10: ffff88802bd38340 R11: ffffed10057a706b R12: ffff88802bd38340
R13: dffffc0000000000 R14: ffff88802bd38360 R15: ffff8880b8627bc0
FS: 000055556bf7e500(0000) GS:ffff888125c84000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdd4a7bc58 CR3: 000000003078e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1887
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
__sysvec_apic_timer_interrupt+0x108/0x410 arch/x86/kernel/apic/apic.c:1056
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:-1 [inline]
RIP: 0010:unwind_next_frame+0x295/0x2390 arch/x86/kernel/unwind_orc.c:494
Code: 8d 04 40 48 8d 04 45 f8 df 25 90 48 3d c6 35 da 90 0f 87 0c 18 00 00 45 39 e8 48 bd 00 00 00 00 00 fc ff df 0f 84 03 02 00 00 <4a> 8d 14 ad c4 a6 ad 8f 45 29 e8 4a 8d 1c 82 48 83 c3 fc 49 89 d5
RSP: 0018:ffffc9000445f0f8 EFLAGS: 00000202
RAX: ffffffff903be12c RBX: dffffc0000000000 RCX: 19a74eba46d1d700
RDX: 00000000000a62e3 RSI: ffffffff903be0ba RDI: ffffffff8be1b320
RBP: dffffc0000000000 R08: 000000000003aade R09: ffffffff81728de5
R10: ffffc9000445f218 R11: ffffffff81ace8a0 R12: ffffffff82216701
R13: 000000000003aacb R14: ffffc9000445f1c8 R15: 0000000000012167
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:576
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x62/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2381 [inline]
slab_free mm/slub.c:4643 [inline]
kmem_cache_free+0x18f/0x400 mm/slub.c:4745
common_lsm_audit+0x23a/0x2e0 security/lsm_audit.c:456
smack_log+0x394/0x3f0 security/smack/smack_access.c:391
smk_tskacc+0x2fc/0x370 security/smack/smack_access.c:255
smack_inode_permission+0x28f/0x320 security/smack/smack_lsm.c:1217
security_inode_permission+0xf8/0x310 security/security.c:2324
may_lookup fs/namei.c:1845 [inline]
link_path_walk+0x232/0xea0 fs/namei.c:2454
path_lookupat+0x97/0x430 fs/namei.c:2662
filename_lookup+0x212/0x570 fs/namei.c:2692
vfs_statx+0xf8/0x550 fs/stat.c:353
vfs_fstatat+0x118/0x170 fs/stat.c:375
__do_sys_newfstatat fs/stat.c:542 [inline]
__se_sys_newfstatat fs/stat.c:536 [inline]
__x64_sys_newfstatat+0x116/0x190 fs/stat.c:536
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82bdd8d13a
Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 a8 ff ff ff f7
RSP: 002b:00007ffdd4a7c408 EFLAGS: 00000286 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007f82bde10925 RCX: 00007f82bdd8d13a
RDX: 00007ffdd4a7c430 RSI: 00007ffdd4a7c4c0 RDI: 00000000ffffff9c
RBP: 00007ffdd4a7c4c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffdd4a7d550
R13: 00007f82bde10925 R14: 00000000000c49f0 R15: 00007ffdd4a7d590
rcu: rcu_preempt kthread starved for 10500 jiffies! g139109 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:27320 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x16a2/0x4cb0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6878
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 5833 Comm: syz-executor Not tainted 6.16.0-rc1-syzkaller-00157-g02adc1490e6d #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:memset_orig+0x3a/0xb0 arch/x86/lib/memset_64.S:71
Code: 01 48 0f af c1 41 89 f9 41 83 e1 07 75 74 48 89 d1 48 c1 e9 06 74 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 <48> 89 47 10 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89
RSP: 0018:ffffc90000a07e20 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffff88804aef2000 RCX: 000000000000000c
RDX: 0000000000000400 RSI: 0000000000000000 RDI: ffff88804aef20c0
RBP: 0000000000000920 R08: ffffc90000a0801f R09: 0000000000000000
R10: ffff88804aef2000 R11: fffff52000141004 R12: ffff88801a441dc0
R13: ffff88804aef2000 R14: 00000000000bda00 R15: 0000000000000400
FS: 000055557fcfd500(0000) GS:ffff888125d84000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6af0ae56c0 CR3: 0000000030b74000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
slab_post_alloc_hook mm/slub.c:4151 [inline]
slab_alloc_node mm/slub.c:4197 [inline]
__do_kmalloc_node mm/slub.c:4327 [inline]
__kmalloc_noprof+0x248/0x4f0 mm/slub.c:4340
kmalloc_noprof include/linux/slab.h:909 [inline]
kzalloc_noprof include/linux/slab.h:1039 [inline]
ieee802_11_parse_elems_full+0x152/0x2b20 net/mac80211/parse.c:1013
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2414 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2421 [inline]
ieee80211_inform_bss+0x10c/0x10a0 net/mac80211/scan.c:79
rdev_inform_bss net/wireless/rdev-ops.h:418 [inline]
cfg80211_inform_single_bss_data+0xd02/0x1ac0 net/wireless/scan.c:2367
cfg80211_inform_bss_data+0x1fb/0x3b20 net/wireless/scan.c:3222
cfg80211_inform_bss_frame_data+0x417/0x7b0 net/wireless/scan.c:3313
ieee80211_bss_info_update+0x746/0x9e0 net/mac80211/scan.c:226
ieee80211_scan_rx+0x593/0xa20 net/mac80211/scan.c:355
__ieee80211_rx_handle_packet net/mac80211/rx.c:5179 [inline]
ieee80211_rx_list+0x22fc/0x2d80 net/mac80211/rx.c:5416
ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5439
ieee80211_rx include/net/mac80211.h:5185 [inline]
ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:441
tasklet_action_common+0x369/0x580 kernel/softirq.c:829
handle_softirqs+0x286/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0xf69/0x12d0 kernel/smp.c:885
Code: 00 45 8b 2f 44 89 ee 83 e6 01 31 ff e8 50 78 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 fb 73 0b 00 eb 37 f3 90 <43> 0f b6 04 2c 84 c0 75 10 41 f7 07 01 00 00 00 74 1e e8 e0 73 0b
RSP: 0018:ffffc9000448f580 EFLAGS: 00000293
RAX: ffffffff81b4da60 RBX: ffff8880b873c9c0 RCX: ffff888033440000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000448f6e0 R08: ffffffff8f9fe5f7 R09: 1ffffffff1f3fcbe
R10: dffffc0000000000 R11: fffffbfff1f3fcbf R12: 1ffff110170c868d
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880b8643468
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052
__flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline]
flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
flush_tlb_mm_range+0x6b1/0x12c0 arch/x86/mm/tlb.c:1451
dup_mmap+0x15a0/0x1ac0 mm/mmap.c:1877
dup_mm kernel/fork.c:1477 [inline]
copy_mm+0x13c/0x4b0 kernel/fork.c:1529
copy_process+0x1706/0x3c00 kernel/fork.c:2169
kernel_clone+0x224/0x7f0 kernel/fork.c:2599
__do_sys_clone kernel/fork.c:2742 [inline]
__se_sys_clone kernel/fork.c:2726 [inline]
__x64_sys_clone+0x18b/0x1e0 kernel/fork.c:2726
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f48aaf85193
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffea6a4fb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f48aaf85193
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 000055557fcfd7d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 00000000000c4a13 R15: 00007ffea6a4fd00