rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6160/1:b..l P12/1:b..l P6147/2:b..l
rcu: (detected by 1, t=10502 jiffies, g=20485, q=368 ncpus=2)
task:syz-executor.2 state:R running task stack:26880 pid:6147 tgid:6146 ppid:5120 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:119 [inline]
RIP: 0010:lock_release+0xf6/0x6c0 kernel/locking/lockdep.c:5767
Code: c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d9 04 00 00 8b 3d ca a7 78 0e 85 ff 0f 84 ba 02 00 00 <65> 8b 05 6b ba 96 7e 85 c0 0f 85 ab 02 00 00 65 4c 8b 35 53 08 98
RSP: 0018:ffffc900033ef840 EFLAGS: 00000202
RAX: 0000000000000003 RBX: ffffffff8fe47898 RCX: ffffffff816bd089
RDX: 0000000000000000 RSI: ffffffff8b8fee40 RDI: 0000000000000001
RBP: 1ffff9200067df0a R08: 0000000000000000 R09: fffffbfff1fc88ba
R10: ffffffff8fe445d7 R11: 0000000000000003 R12: ffffffff8dbb1760
R13: ffff88802648e880 R14: 000000000003d94c R15: ffffffff81f0e50f
rcu_lock_release include/linux/rcupdate.h:339 [inline]
rcu_read_unlock+0x1c/0x60 include/linux/rcupdate.h:812
percpu_ref_tryget_many include/linux/percpu-refcount.h:250 [inline]
percpu_ref_tryget include/linux/percpu-refcount.h:266 [inline]
css_tryget include/linux/cgroup_refcnt.h:45 [inline]
css_tryget include/linux/cgroup_refcnt.h:42 [inline]
get_mem_cgroup_from_mm+0x2b2/0x4c0 mm/memcontrol.c:1270
__mem_cgroup_charge+0x1a/0x280 mm/memcontrol.c:7511
mem_cgroup_charge include/linux/memcontrol.h:691 [inline]
shmem_alloc_and_add_folio+0x1dd/0x790 mm/shmem.c:1677
shmem_get_folio_gfp+0x687/0x13d0 mm/shmem.c:2055
shmem_get_folio mm/shmem.c:2160 [inline]
shmem_write_begin+0x15a/0x360 mm/shmem.c:2743
generic_perform_write+0x272/0x620 mm/filemap.c:4015
shmem_file_write_iter+0x114/0x140 mm/shmem.c:2919
call_write_iter include/linux/fs.h:2114 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0x6b6/0x1140 fs/read_write.c:590
ksys_write+0x12f/0x260 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f467487bc2f
RSP: 002b:00007f46755bbe80 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f467487bc2f
RDX: 0000000001000000 RSI: 00007f466a600000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000005597
R10: 0000000000000002 R11: 0000000000000293 R12: 0000000000000003
R13: 00007f46755bbf80 R14: 00007f46755bbf40 R15: 00007f466a600000
task:kworker/u8:1 state:R running task stack:21872 pid:12 tgid:12 ppid:2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x1f2/0x560 kernel/locking/lockdep.c:5722
Code: c1 05 4a aa 96 7e 83 f8 01 0f 85 ea 02 00 00 9c 58 f6 c4 02 0f 85 d5 02 00 00 48 85 ed 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:ffffc90000117aa0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000022f56 RCX: 000000003f85027d
RDX: 0000000000000001 RSI: ffffffff8b2cae60 RDI: ffffffff8b8feec0
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff284e250
R10: ffffffff94271287 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8dbb1760 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
rcu_read_lock include/linux/rcupdate.h:781 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x16e/0x10f0 net/batman-adv/network-coding.c:719
process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
process_scheduled_works kernel/workqueue.c:3312 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:syz-executor.3 state:R running task stack:28992 pid:6160 tgid:6155 ppid:5126 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:context_to_sid+0x0/0x660 security/selinux/ss/sidtab.c:61
Code: e9 4b fe ff ff e8 70 e3 ab fd e9 2b fd ff ff e8 b6 75 ab 06 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <41> 57 49 89 f7 41 56 41 55 41 54 41 89 d4 55 48 89 fd 53 48 83 ec
RSP: 0018:ffffc900032c7868 EFLAGS: 00000282
RAX: 0000000017502b64 RBX: ffff88807b8d7214 RCX: ffffc9000b097000
RDX: 0000000017502b64 RSI: ffffc900032c7ae8 RDI: ffff88807e828000
RBP: ffffc900032c7ae8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88807e828000
R13: 0000000017502b64 R14: 0000000000000000 R15: dffffc0000000000
sidtab_context_to_sid+0x3b/0x1030 security/selinux/ss/sidtab.c:276
security_compute_sid+0xb12/0x1cc0 security/selinux/ss/services.c:1881
security_transition_sid+0x68/0x80 security/selinux/ss/services.c:1911
selinux_inode_init_security_anon+0x40f/0x550 security/selinux/hooks.c:2992
security_inode_init_security_anon+0x75/0xc0 security/security.c:1769
anon_inode_make_secure_inode fs/anon_inodes.c:70 [inline]
__anon_inode_getfile+0x2df/0x3e0 fs/anon_inodes.c:91
io_uring_get_file io_uring/io_uring.c:3406 [inline]
io_uring_create io_uring/io_uring.c:3585 [inline]
io_uring_setup+0x25bd/0x32e0 io_uring/io_uring.c:3645
__do_sys_io_uring_setup io_uring/io_uring.c:3672 [inline]
__se_sys_io_uring_setup io_uring/io_uring.c:3666 [inline]
__x64_sys_io_uring_setup+0x98/0x140 io_uring/io_uring.c:3666
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe7b007cee9
RSP: 002b:00007fe7b0d1e058 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007fe7b01ac050 RCX: 00007fe7b007cee9
RDX: 0000000020000140 RSI: 00000000200005c0 RDI: 0000000000000a94
RBP: 00000000200005c0 R08: 0000000000000000 R09: 0000000020000140
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000020000040 R14: 0000000000000a94 R15: 0000000020000140
rcu: rcu_preempt kthread starved for 10401 jiffies! g20485 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:I stack:28752 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 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 PID: 0 Comm: swapper/0 Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:unwind_next_frame+0x111c/0x23a0 arch/x86/kernel/unwind_orc.c:664
Code: 40 e8 b8 04 51 00 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 25 10 00 00 44 8b 23 <89> ee 44 89 e7 e8 ca fe 50 00 41 39 ec 0f 85 b1 00 00 00 e8 7c 04
RSP: 0018:ffffc900000077a0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90000007820 RCX: ffffffff813ce55e
RDX: 1ffff92000000f04 RSI: ffffffff813ce798 RDI: 0000000000000001
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000004
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000002
R13: ffffc90000007ff8 R14: 0000000000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f69dc7adba8 CR3: 00000000630da000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
poison_slab_object+0xf7/0x160 mm/kasan/common.c:240
__kasan_slab_free+0x32/0x50 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2195 [inline]
slab_free mm/slub.c:4436 [inline]
kmem_cache_free+0x12f/0x3a0 mm/slub.c:4511
kfree_skbmem+0x10e/0x200 net/core/skbuff.c:1131
__kfree_skb net/core/skbuff.c:1188 [inline]
consume_skb net/core/skbuff.c:1409 [inline]
consume_skb+0xdd/0x170 net/core/skbuff.c:1403
mac80211_hwsim_tx_frame+0x1f3/0x2a0 drivers/net/wireless/virtual/mac80211_hwsim.c:2207
__mac80211_hwsim_beacon_tx drivers/net/wireless/virtual/mac80211_hwsim.c:2223 [inline]
mac80211_hwsim_beacon_tx+0x592/0xa00 drivers/net/wireless/virtual/mac80211_hwsim.c:2306
__iterate_interfaces+0x2d2/0x580 net/mac80211/util.c:772
ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:808
mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2336
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1751
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1768
handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x1a/0x20 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 88 42 1a 75 48 8b 00 a8 08 75 0c 66 90 0f 00 2d b8 92 b1 00 fb f4 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffffff8d807d70 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8ae979d9
RDX: 0000000000000001 RSI: ffff888019af2800 RDI: ffff888019af2864
RBP: ffff888019af2864 R08: 0000000000000001 R09: ffffed1017246fe5
R10: ffff8880b9237f2b R11: 0000000000000000 R12: ffff888017f74800
R13: ffffffff8e743fc0 R14: 0000000000000000 R15: 0000000000000000
acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x85/0x500 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x313/0x3f0 kernel/sched/idle.c:332
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
rest_init+0x16b/0x2b0 init/main.c:747
start_kernel+0x3df/0x4c0 init/main.c:1103
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488
common_startup_64+0x13e/0x148