github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/pkg/report/testdata/linux/decompile/amd64/2.in (about)

     1  rcu: INFO: rcu_preempt self-detected stall on CPU
     2  rcu: 	0-...!: (2 ticks this GP) idle=4de/1/0x4000000000000000 softirq=11238/11238 fqs=0 
     3  	(t=13326 jiffies g=13217 q=742)
     4  rcu: rcu_preempt kthread timer wakeup didn't happen for 13325 jiffies! g13217 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
     5  rcu: 	Possible timer handling issue on cpu=0 timer-softirq=29073
     6  rcu: rcu_preempt kthread starved for 13326 jiffies! g13217 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
     7  rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
     8  rcu: RCU grace-period kthread stack dump:
     9  task:rcu_preempt     state:I stack:29096 pid:   14 ppid:     2 flags:0x00004000
    10  Call Trace:
    11   context_switch kernel/sched/core.c:4683 [inline]
    12   __schedule+0x93a/0x26f0 kernel/sched/core.c:5940
    13   schedule+0xd3/0x270 kernel/sched/core.c:6019
    14   schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1878
    15   rcu_gp_fqs_loop kernel/rcu/tree.c:1996 [inline]
    16   rcu_gp_kthread+0xd34/0x1980 kernel/rcu/tree.c:2169
    17   kthread+0x3e5/0x4d0 kernel/kthread.c:319
    18   ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
    19  rcu: Stack dump where RCU GP kthread last ran:
    20  NMI backtrace for cpu 0
    21  CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 5.14.0-rc2-syzkaller #0
    22  Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
    23  Workqueue: bat_events batadv_tt_purge
    24  Call Trace:
    25   <IRQ>
    26   __dump_stack lib/dump_stack.c:88 [inline]
    27   dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
    28   nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
    29   nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
    30   trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
    31   rcu_check_gp_kthread_starvation.cold+0x1d1/0x1d6 kernel/rcu/tree_stall.h:479
    32   print_cpu_stall kernel/rcu/tree_stall.h:623 [inline]
    33   check_cpu_stall kernel/rcu/tree_stall.h:700 [inline]
    34   rcu_pending kernel/rcu/tree.c:3922 [inline]
    35   rcu_sched_clock_irq.cold+0x9a/0x747 kernel/rcu/tree.c:2641
    36   update_process_times+0x16d/0x200 kernel/time/timer.c:1782
    37   tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
    38   tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
    39   __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
    40   __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1601
    41   hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
    42   local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
    43   __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106
    44   sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
    45   </IRQ>
    46   asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
    47  RIP: 0010:__local_bh_enable_ip+0xa8/0x120 kernel/softirq.c:390
    48  Code: 1d ad 91 bc 7e 65 8b 05 a6 91 bc 7e a9 00 ff ff 00 74 45 bf 01 00 00 00 e8 15 2a 09 00 e8 50 84 35 00 fb 65 8b 05 88 91 bc 7e <85> c0 74 58 5b 5d c3 65 8b 05 d6 98 bc 7e 85 c0 75 a2 0f 0b eb 9e
    49  RSP: 0018:ffffc90000f0fc10 EFLAGS: 00000206
    50  RAX: 0000000080000000 RBX: 00000000fffffe00 RCX: 1ffffffff1fa584a
    51  RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
    52  RBP: ffffffff88ca93e5 R08: 0000000000000001 R09: ffffffff8fcd7987
    53  R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90000f0fdb0
    54  R13: ffff888042de12f8 R14: 0000000000000082 R15: dffffc0000000000
    55   spin_unlock_bh include/linux/spinlock.h:399 [inline]
    56   batadv_tt_local_purge+0x285/0x370 net/batman-adv/translation-table.c:1369
    57   batadv_tt_purge+0x2c/0xaf0 net/batman-adv/translation-table.c:3591
    58   process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
    59   worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
    60   kthread+0x3e5/0x4d0 kernel/kthread.c:319
    61   ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
    62  NMI backtrace for cpu 0
    63  CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 5.14.0-rc2-syzkaller #0
    64  Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
    65  Workqueue: bat_events batadv_tt_purge
    66  Call Trace:
    67   <IRQ>
    68   __dump_stack lib/dump_stack.c:88 [inline]
    69   dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
    70   nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
    71   nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
    72   trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
    73   rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:342
    74   print_cpu_stall kernel/rcu/tree_stall.h:625 [inline]
    75   check_cpu_stall kernel/rcu/tree_stall.h:700 [inline]
    76   rcu_pending kernel/rcu/tree.c:3922 [inline]
    77   rcu_sched_clock_irq.cold+0x9f/0x747 kernel/rcu/tree.c:2641
    78   update_process_times+0x16d/0x200 kernel/time/timer.c:1782
    79   tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
    80   tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
    81   __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
    82   __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1601
    83   hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
    84   local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
    85   __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106
    86   sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
    87   </IRQ>
    88   asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
    89  RIP: 0010:__local_bh_enable_ip+0xa8/0x120 kernel/softirq.c:390
    90  Code: 1d ad 91 bc 7e 65 8b 05 a6 91 bc 7e a9 00 ff ff 00 74 45 bf 01 00 00 00 e8 15 2a 09 00 e8 50 84 35 00 fb 65 8b 05 88 91 bc 7e <85> c0 74 58 5b 5d c3 65 8b 05 d6 98 bc 7e 85 c0 75 a2 0f 0b eb 9e
    91  RSP: 0018:ffffc90000f0fc10 EFLAGS: 00000206
    92  RAX: 0000000080000000 RBX: 00000000fffffe00 RCX: 1ffffffff1fa584a
    93  RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
    94  RBP: ffffffff88ca93e5 R08: 0000000000000001 R09: ffffffff8fcd7987
    95  R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90000f0fdb0
    96  R13: ffff888042de12f8 R14: 0000000000000082 R15: dffffc0000000000
    97   spin_unlock_bh include/linux/spinlock.h:399 [inline]
    98   batadv_tt_local_purge+0x285/0x370 net/batman-adv/translation-table.c:1369
    99   batadv_tt_purge+0x2c/0xaf0 net/batman-adv/translation-table.c:3591
   100   process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
   101   worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
   102   kthread+0x3e5/0x4d0 kernel/kthread.c:319
   103   ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
   104  Sending NMI from CPU 0 to CPUs 1:
   105  NMI backtrace for cpu 1
   106  CPU: 1 PID: 9018 Comm: kworker/u4:2 Not tainted 5.14.0-rc2-syzkaller #0
   107  Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
   108  Workqueue: events_unbound toggle_allocation_gate
   109  RIP: 0010:__sanitizer_cov_trace_const_cmp4+0xc/0x70 kernel/kcov.c:283
   110  Code: 00 00 00 48 89 7c 30 e8 48 89 4c 30 f0 4c 89 54 d8 20 48 89 10 5b c3 0f 1f 80 00 00 00 00 41 89 f8 bf 03 00 00 00 4c 8b 14 24 <89> f1 65 48 8b 34 25 00 f0 01 00 e8 e4 ee ff ff 84 c0 74 4b 48 8b
   111  RSP: 0018:ffffc90000fd8df8 EFLAGS: 00000046
   112  RAX: 0000000000010002 RBX: ffff8880b9d424c0 RCX: 0000000000000000
   113  RDX: ffff88802e756280 RSI: 0000000000000001 RDI: 0000000000000003
   114  RBP: ffff88802539bb40 R08: 0000000000000007 R09: ffffffff904c64ab
   115  R10: ffffffff816467fb R11: 0000000000000000 R12: 0000000000000001
   116  R13: 0000000000000000 R14: ffff8880b9d423c0 R15: 0000000000000001
   117  FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
   118  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
   119  CR2: 0000000020000600 CR3: 000000000b68e000 CR4: 00000000001506e0
   120  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
   121  DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
   122  Call Trace:
   123   <IRQ>
   124   cpu_max_bits_warn include/linux/cpumask.h:108 [inline]
   125   cpumask_check include/linux/cpumask.h:115 [inline]
   126   cpumask_test_cpu include/linux/cpumask.h:344 [inline]
   127   cpu_online include/linux/cpumask.h:895 [inline]
   128   trace_hrtimer_start include/trace/events/timer.h:195 [inline]
   129   debug_activate kernel/time/hrtimer.c:476 [inline]
   130   enqueue_hrtimer+0x4b/0x3e0 kernel/time/hrtimer.c:982
   131   __run_hrtimer kernel/time/hrtimer.c:1554 [inline]
   132   __hrtimer_run_queues+0xb02/0xe50 kernel/time/hrtimer.c:1601
   133   hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
   134   local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
   135   __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106
   136   sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
   137   </IRQ>
   138   asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
   139  RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
   140  RIP: 0010:smp_call_function_many_cond+0x452/0xc20 kernel/smp.c:967
   141  Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 c0 48 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 33 06 00 00 8b 43 08 31
   142  RSP: 0018:ffffc900037b7a00 EFLAGS: 00000293
   143  RAX: 0000000000000000 RBX: ffff8880b9c55de0 RCX: 0000000000000000
   144  RDX: ffff88802e756280 RSI: ffffffff816975f0 RDI: 0000000000000003
   145  RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000001
   146  R10: ffffffff81697616 R11: 0000000000000000 R12: ffffed101738abbd
   147  R13: 0000000000000000 R14: ffff8880b9c55de8 R15: 0000000000000001
   148   on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1133
   149   on_each_cpu include/linux/smp.h:71 [inline]
   150   text_poke_sync arch/x86/kernel/alternative.c:929 [inline]
   151   text_poke_bp_batch+0x1b3/0x560 arch/x86/kernel/alternative.c:1114
   152   text_poke_flush arch/x86/kernel/alternative.c:1268 [inline]
   153   text_poke_flush arch/x86/kernel/alternative.c:1265 [inline]
   154   text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1275
   155   arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:145
   156   jump_label_update+0x1d5/0x430 kernel/jump_label.c:830
   157   static_key_disable_cpuslocked+0x152/0x1b0 kernel/jump_label.c:207
   158   static_key_disable+0x16/0x20 kernel/jump_label.c:215
   159   toggle_allocation_gate mm/kfence/core.c:637 [inline]
   160   toggle_allocation_gate+0x185/0x390 mm/kfence/core.c:615
   161   process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
   162   worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
   163   kthread+0x3e5/0x4d0 kernel/kthread.c:319
   164   ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295