audit: audit_backlog=65 > audit_backlog_limit=64
audit: audit_lost=331016 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: Tasks blocked on level-0 rcu_node (CPUs 0-1): P23596/1:b..l P5179/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=107929, q=103 ncpus=2)
task:syslogd state:R running task stack:22784 pid:5179 tgid:5179 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6935
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6959
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
unwind_next_frame+0x18f8/0x22d0 arch/x86/kernel/unwind_orc.c:672
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd2c/0x1000 mm/page_alloc.c:2659
discard_slab mm/slub.c:2688 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3157
put_cpu_partial+0x17c/0x250 mm/slub.c:3232
__slab_free+0x290/0x380 mm/slub.c:4483
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
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_noprof+0x1d9/0x380 mm/slub.c:4175
lsm_file_alloc security/security.c:733 [inline]
security_file_alloc+0x32/0x310 security/security.c:2853
init_file+0x91/0x280 fs/file_table.c:156
alloc_empty_file+0xb8/0x1d0 fs/file_table.c:232
path_openat+0x107/0x3590 fs/namei.c:3973
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1428
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: 0033:0x7fda885769a4
RSP: 002b:00007ffd1f49a5e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000556b0e682910 RCX: 00007fda885769a4
RDX: 0000000000000d41 RSI: 00007fda88715443 RDI: 00000000ffffff9c
RBP: 00007fda88715443 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000d41
R13: 000000006778966c R14: 0000000000000004 R15: 0000556b0e682a60
task:syz-executor state:R running task stack:20176 pid:23596 tgid:23596 ppid:23573 flags:0x00004002
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:__sanitizer_cov_trace_pc+0x5d/0x70 kernel/kcov.c:235
Code: f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90
RSP: 0018:ffffc90004ef7798 EFLAGS: 00000293
RAX: ffffffff820caa8f RBX: ffff88806fdf0580 RCX: ffff88806fdf0000
RDX: 0000000000000000 RSI: 00000000057e05f4 RDI: 0000000000000000
RBP: ffffc90004ef78e0 R08: ffffffff820caa85 R09: 0000000000000010
R10: ffffc90004ef7670 R11: ffffffff818b39c0 R12: dffffc0000000000
R13: 1ffff920009deef8 R14: 00000000057e05f4 R15: 1ffff1100dfbe0b0
save_stack+0x11f/0x1f0 mm/page_owner.c:158
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd2c/0x1000 mm/page_alloc.c:2659
discard_slab mm/slub.c:2688 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3157
put_cpu_partial+0x17c/0x250 mm/slub.c:3232
__slab_free+0x290/0x380 mm/slub.c:4483
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x23/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_noprof+0x285/0x4c0 mm/slub.c:4310
kmalloc_noprof include/linux/slab.h:905 [inline]
kmalloc_array_noprof include/linux/slab.h:946 [inline]
security_inode_init_security+0x126/0x480 security/security.c:1824
shmem_mknod+0x1ff/0x3d0 mm/shmem.c:3679
shmem_mkdir+0x33/0x70 mm/shmem.c:3738
vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4311
do_mkdirat+0x264/0x3a0 fs/namei.c:4334
__do_sys_mkdirat fs/namei.c:4349 [inline]
__se_sys_mkdirat fs/namei.c:4347 [inline]
__x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4347
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: 0033:0x7f478f784597
RSP: 002b:00007ffef0628108 EFLAGS: 00000202 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ffef0628150 RCX: 00007f478f784597
RDX: 00000000000001ff RSI: 00007ffef0628150 RDI: 00000000ffffff9c
RBP: 00007ffef062813c R08: 0000000000000005 R09: 00007ffef0627ea5
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000062
R13: 00000000000a25b8 R14: 00007ffef0628190 R15: 0000000000000187
rcu: rcu_preempt kthread starved for 10559 jiffies! g107929 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:25784 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: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:arch_stack_walk+0x102/0x150 arch/x86/kernel/stacktrace.c:27
Code: ff ff 4c 89 e6 4c 89 fa e8 0b d8 09 00 83 bd 70 ff ff ff 00 74 37 48 8d 9d 70 ff ff ff 48 89 df e8 b3 ae 09 00 48 85 c0 74 23 <4c> 89 f7 48 89 c6 4d 89 eb 41 ff d3 66 90 84 c0 74 11 48 89 df e8
RSP: 0018:ffffc90000156940 EFLAGS: 00000286
RAX: ffffffff8a954d50 RBX: ffffc90000156940 RCX: ffffffff91774000
RDX: ffffffff91923001 RSI: ffffc90000150000 RDI: ffffffff8a954d50
RBP: ffffc900001569d0 R08: ffffc90000157158 R09: 0000000000000000
R10: ffffc90000156990 R11: fffff5200002ad34 R12: ffff88801beeda00
R13: ffffffff818b39c0 R14: ffffc90000156a20 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555879195c8 CR3: 00000000301e6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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_noprof+0x1d9/0x380 mm/slub.c:4175
skb_clone+0x20c/0x390 net/core/skbuff.c:2084
deliver_clone net/bridge/br_forward.c:125 [inline]
br_flood+0x3dc/0x660 net/bridge/br_forward.c:245
br_handle_frame_finish+0x18ba/0x1fe0 net/bridge/br_input.c:215
br_nf_hook_thresh+0x472/0x590
br_nf_pre_routing_finish_ipv6+0xaa0/0xdd0
NF_HOOK include/linux/netfilter.h:314 [inline]
br_nf_pre_routing_ipv6+0x379/0x770 net/bridge/br_netfilter_ipv6.c:184
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9fd/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x14eb/0x4690 net/core/dev.c:5568
__netif_receive_skb_one_core net/core/dev.c:5672 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5787
process_backlog+0x662/0x15b0 net/core/dev.c:6119
__napi_poll+0xcb/0x490 net/core/dev.c:6885
napi_poll net/core/dev.c:6954 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7076
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
run_ksoftirqd+0xca/0x130 kernel/softirq.c:950
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
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
net_ratelimit: 12396 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
net_ratelimit: 15905 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:42:66:04:4c:6f, vlan:0)