github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/pkg/report/testdata/linux/guilty/58 (about)

     1  FILE: net/core/devlink.c
     2  
     3  rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
     4  rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P28912
     5  	(detected by 0, t=10502 jiffies, g=275385, q=3760 ncpus=2)
     6  task:syz-executor.2  state:R  running task     stack:24600 pid:28912 ppid:1      flags:0x00004006
     7  Call Trace:
     8   <IRQ>
     9   sched_show_task kernel/sched/core.c:8967 [inline]
    10   sched_show_task+0x450/0x5c0 kernel/sched/core.c:8941
    11   rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:255 [inline]
    12   print_other_cpu_stall kernel/rcu/tree_stall.h:599 [inline]
    13   check_cpu_stall kernel/rcu/tree_stall.h:761 [inline]
    14   rcu_pending kernel/rcu/tree.c:3858 [inline]
    15   rcu_sched_clock_irq+0x21d1/0x2470 kernel/rcu/tree.c:2343
    16   update_process_times+0x11e/0x1a0 kernel/time/timer.c:2071
    17   tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
    18   tick_sched_timer+0xf2/0x120 kernel/time/tick-sched.c:1480
    19   __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
    20   __hrtimer_run_queues+0x1c6/0xfb0 kernel/time/hrtimer.c:1749
    21   hrtimer_interrupt+0x320/0x790 kernel/time/hrtimer.c:1811
    22   local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
    23   __sysvec_apic_timer_interrupt+0x180/0x640 arch/x86/kernel/apic/apic.c:1113
    24   sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1107
    25   </IRQ>
    26   <TASK>
    27   asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
    28  RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:60 [inline]
    29  RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
    30  RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
    31  RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
    32  RIP: 0010:kasan_check_range+0x53/0x190 mm/kasan/generic.c:189
    33  Code: ff ff 48 39 c7 0f 86 05 01 00 00 49 83 e9 01 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1 ea 03 48 01 c5 <49> 01 c2 48 89 e8 49 8d 5a 01 48 89 da 48 29 ea 48 83 fa 10 7e 63
    34  RSP: 0018:ffffc900031af250 EFLAGS: 00000286
    35  RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffffff8163f019
    36  RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e72d650
    37  RBP: fffffbfff1ce5aca R08: 0000000000000000 R09: ffffffff8e72d657
    38  R10: 1ffffffff1ce5aca R11: 0000000000000000 R12: ffffffff8c791a80
    39  R13: ffffc900031af4d8 R14: 0000000000000000 R15: ffffc900031af358
    40   instrument_atomic_read include/linux/instrumented.h:72 [inline]
    41   _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
    42   cpumask_test_cpu include/linux/cpumask.h:444 [inline]
    43   cpu_online include/linux/cpumask.h:1030 [inline]
    44   trace_lock_release include/trace/events/lock.h:69 [inline]
    45   lock_release+0xd9/0x810 kernel/locking/lockdep.c:5679
    46   rcu_lock_release include/linux/rcupdate.h:330 [inline]
    47   rcu_read_unlock include/linux/rcupdate.h:797 [inline]
    48   xa_find+0x1a0/0x330 lib/xarray.c:2026
    49   devlinks_xa_find_get.constprop.0+0x93/0x260 net/core/devlink.c:306
    50   devlinks_xa_find_get_first net/core/devlink.c:334 [inline]
    51   devlink_nl_cmd_port_get_dumpit+0x11d/0x4e0 net/core/devlink.c:1699
    52   netlink_dump+0x570/0xc50 net/netlink/af_netlink.c:2286
    53   __netlink_dump_start+0x64b/0x910 net/netlink/af_netlink.c:2391
    54   genl_family_rcv_msg_dumpit+0x2be/0x310 net/netlink/genetlink.c:929
    55   genl_family_rcv_msg net/netlink/genetlink.c:1045 [inline]
    56   genl_rcv_msg+0x419/0x7e0 net/netlink/genetlink.c:1065
    57   netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2564
    58   genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076
    59   netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
    60   netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1356
    61   netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1932
    62   sock_sendmsg_nosec net/socket.c:714 [inline]
    63   sock_sendmsg+0xd3/0x120 net/socket.c:734
    64   __sys_sendto+0x23a/0x340 net/socket.c:2117
    65   __do_sys_sendto net/socket.c:2129 [inline]
    66   __se_sys_sendto net/socket.c:2125 [inline]
    67   __x64_sys_sendto+0xe1/0x1b0 net/socket.c:2125
    68   do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    69   do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
    70   entry_SYSCALL_64_after_hwframe+0x63/0xcd
    71  RIP: 0033:0x7fbf31c3e0dc
    72  Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b
    73  RSP: 002b:00007fff97133d00 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
    74  RAX: ffffffffffffffda RBX: 00007fbf328d4620 RCX: 00007fbf31c3e0dc
    75  RDX: 0000000000000034 RSI: 00007fbf328d4670 RDI: 0000000000000005
    76  RBP: 0000000000000000 R08: 00007fff97133d54 R09: 000000000000000c
    77  R10: 0000000000000000 R11: 0000000000000293 R12: 00007fff97133dc8
    78  R13: 00007fbf328d4670 R14: 0000000000000005 R15: 0000000000000000
    79   </TASK>