INFO: rcu detected stall in sys

Kernel	Title	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in sys_mprotect (6) kernel	3	530d	581d	0/27	auto-obsoleted due to no activity on 2023/04/20 15:51
upstream	INFO: rcu detected stall in sys_mprotect (3) kernel	3	1630d	1630d	0/27	closed as invalid on 2020/01/09 08:13
upstream	INFO: rcu detected stall in sys_mprotect (2) kernel	1	1631d	1631d	0/27	closed as invalid on 2020/01/08 05:23
linux-5.15	INFO: rcu detected stall in sys_mprotect	1	60d	60d	0/3	upstream: reported on 2024/04/26 17:12
upstream	INFO: rcu detected stall in sys_mprotect (4) mm	1	914d	914d	0/27	closed as invalid on 2022/02/08 10:00
upstream	INFO: rcu detected stall in sys_mprotect kernel	3	1666d	1667d	0/27	closed as invalid on 2019/12/04 14:04
upstream	INFO: rcu detected stall in sys_mprotect (7) mm	9	161d	389d	0/27	auto-obsoleted due to no activity on 2024/04/15 19:55
linux-6.1	INFO: rcu detected stall in sys_mprotect	3	13d	33d	0/3	upstream: reported on 2024/05/24 04:55
android-5-15	BUG: soft lockup in sys_mprotect	1	27d	27d	0/2	premoderation: reported on 2024/05/29 08:16

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...!: (1 ticks this GP) idle=5b1/1/0x4000000000000000 softirq=40448/40449 fqs=1 rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7733/1:b..l P11107/1:b..l (detected by 1, t=10502 jiffies, g=56745, q=34) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 11104 Comm: sed Not tainted 5.17.0-rc5-syzkaller-00317-g52a025546731 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:214 [inline] RIP: 0010:rb_erase+0x5bd/0x1210 lib/rbtree.c:443 Code: 00 74 80 48 89 14 24 e8 a1 58 bb fd 48 8b 14 24 e9 6e ff ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 <0f> 85 c1 0a 00 00 4d 8b 65 00 4c 89 e3 48 83 e3 fc 0f 84 0c 01 00 RSP: 0018:ffffc90000007d88 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffff888073ebe340 RCX: 0000000000000000 RDX: 1ffff1100e7d7c68 RSI: ffff8880b9c2a750 RDI: ffff888073ebe350 RBP: ffff8880b9c2a750 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff840400ac R11: 0000000000000000 R12: ffff8880b9c2a758 R13: ffff888073ebe340 R14: 0000000000000000 R15: ffff8880b9c2a750 FS: 00007fe843b05800(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe843d28bf6 CR3: 0000000048b70000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> rb_erase_cached include/linux/rbtree.h:126 [inline] timerqueue_del+0x7f/0x140 lib/timerqueue.c:57 __remove_hrtimer+0xa1/0x2a0 kernel/time/hrtimer.c:1116 __run_hrtimer kernel/time/hrtimer.c:1665 [inline] __hrtimer_run_queues+0x4ea/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:put_flush_tlb_info arch/x86/mm/tlb.c:980 [inline] RIP: 0010:flush_tlb_mm_range+0x26a/0x410 arch/x86/mm/tlb.c:1021 Code: ee 03 83 c0 03 0f b6 0c 0e 38 c8 7c 08 84 c9 0f 85 0d 01 00 00 3b 2d 55 6e 5e 0c 72 4b 65 48 8b 05 8b 19 ce 7e 48 39 c3 74 7a <65> ff 0d 07 fb cc 7e bf 01 00 00 00 e8 95 64 1a 00 65 8b 05 2e f5 RSP: 0018:ffffc9000635fb28 EFLAGS: 00000206 RAX: 00000000000017af RBX: ffff88801d3f6000 RCX: 1ffffffff1ffb856 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000008 R08: 0000000000000001 R09: ffffffff8ffc8977 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801d3f6668 R13: 000000000000000c R14: ffff8880b9c39480 R15: 0000000000000000 change_protection_range mm/mprotect.c:358 [inline] change_protection+0x4de/0x2000 mm/mprotect.c:375 mprotect_fixup+0x47d/0x950 mm/mprotect.c:497 do_mprotect_pkey+0x532/0x980 mm/mprotect.c:639 __do_sys_mprotect mm/mprotect.c:665 [inline] __se_sys_mprotect mm/mprotect.c:662 [inline] __x64_sys_mprotect+0x74/0xb0 mm/mprotect.c:662 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fe843e50297 Code: 44 00 00 b8 0b 00 00 00 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 8d 0d 21 1f 01 00 f7 d8 89 01 48 83 c8 ff c3 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 01 1f 01 00 f7 d8 89 01 48 83 RSP: 002b:00007ffdce185e68 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007fe843e621e0 RCX: 00007fe843e50297 RDX: 0000000000000001 RSI: 0000000000001000 RDI: 000056227dd43000 RBP: 00007ffdce185f80 R08: 0000000000000000 R09: 00007fe843deb89e R10: 000056227dd43f40 R11: 0000000000000206 R12: 00007fe843e621e0 R13: 0000000000000007 R14: 0000000600000007 R15: 000056227dd40488 </TASK> task:syz-executor.1 state:R running task stack:28552 pid:11107 ppid: 3624 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:4995 [inline] __schedule+0xa94/0x4910 kernel/sched/core.c:6304 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6470 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x57/0x70 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline] __wake_up_common_lock+0xde/0x130 kernel/sched/wait.c:140 sock_def_readable+0xec/0x4e0 net/core/sock.c:3147 __netlink_sendskb net/netlink/af_netlink.c:1264 [inline] netlink_broadcast_deliver net/netlink/af_netlink.c:1396 [inline] do_one_broadcast net/netlink/af_netlink.c:1474 [inline] netlink_broadcast+0x86d/0xd50 net/netlink/af_netlink.c:1514 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:409 [inline] kobject_uevent_env+0xaa8/0x1600 lib/kobject_uevent.c:593 disk_event_uevent+0x17b/0x1e0 block/disk-events.c:181 disk_force_media_change+0x1e/0xc0 block/disk-events.c:305 loop_configure+0x75b/0x1970 drivers/block/loop.c:1024 lo_ioctl+0x278/0x17b0 drivers/block/loop.c:1544 blkdev_ioctl+0x37a/0x800 block/ioctl.c:588 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fcaa33fae07 RSP: 002b:00007fcaa1d6ff28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fcaa34449c8 RCX: 00007fcaa33fae07 RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000003 R14: 00000000200001c8 R15: 0000000000000003 </TASK> task:kworker/u4:11 state:R running task stack:26176 pid: 7733 ppid: 2 flags:0x00004000 Workqueue: bat_events batadv_nc_worker Call Trace: <TASK> context_switch kernel/sched/core.c:4995 [inline] __schedule+0xa94/0x4910 kernel/sched/core.c:6304 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6719 irqentry_exit+0x31/0x80 kernel/entry/common.c:425 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5607 Code: c8 a5 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 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:ffffc9000444fba8 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff92000889f77 RCX: 4e75ada79c931d47 RDX: 1ffff11005950163 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc8947 R10: fffffbfff1ff9128 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff8bb81ae0 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:268 [inline] rcu_read_lock include/linux/rcupdate.h:694 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline] batadv_nc_worker+0x12d/0xfa0 net/batman-adv/network-coding.c:719 process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307 worker_thread+0x657/0x1110 kernel/workqueue.c:2454 kthread+0x2e9/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> rcu: rcu_preempt kthread starved for 10500 jiffies! g56745 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:28880 pid: 14 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:4995 [inline] __schedule+0xa94/0x4910 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1963 rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2136 kthread+0x2e9/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> rcu: Stack dump where RCU GP kthread last ran: NMI backtrace for cpu 1 CPU: 1 PID: 11113 Comm: syz-executor.0 Not tainted 5.17.0-rc5-syzkaller-00317-g52a025546731 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_check_gp_kthread_starvation.cold+0x1fb/0x200 kernel/rcu/tree_stall.h:458 print_other_cpu_stall kernel/rcu/tree_stall.h:563 [inline] check_cpu_stall kernel/rcu/tree_stall.h:706 [inline] rcu_pending kernel/rcu/tree.c:3919 [inline] rcu_sched_clock_irq+0x2068/0x2110 kernel/rcu/tree.c:2617 update_process_times+0x16d/0x200 kernel/time/timer.c:1785 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1428 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline] RIP: 0010:smp_call_function_many_cond+0x4eb/0xc90 kernel/smp.c:969 Code: 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 dc 8c 0b 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 e9 05 00 00 8b 43 08 31 ff 83 e0 01 41 RSP: 0018:ffffc900063dfa08 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffe8ffffc0b880 RCX: ffffc9000309b000 RDX: 0000000000040000 RSI: ffffffff816c5524 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff816c554a R11: 0000000000000000 R12: fffff91ffff81711 R13: 0000000000000000 R14: ffffe8ffffc0b888 R15: 0000000000000001 clock_was_set+0x599/0x790 kernel/time/hrtimer.c:974 timekeeping_inject_offset+0x4b4/0x620 kernel/time/timekeeping.c:1374 do_adjtimex+0x28f/0xa90 kernel/time/timekeeping.c:2408 do_clock_adjtime kernel/time/posix-timers.c:1109 [inline] __do_sys_clock_adjtime+0x163/0x270 kernel/time/posix-timers.c:1121 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fb36c2b2049 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb36ac27168 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 00007fb36c3c4f60 RCX: 00007fb36c2b2049 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007fb36c30c08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc2770ab7f R14: 00007fb36ac27300 R15: 0000000000022000 </TASK> ---------------- Code disassembly (best guess): 0: 00 74 80 48 add %dh,0x48(%rax,%rax,4) 4: 89 14 24 mov %edx,(%rsp) 7: e8 a1 58 bb fd callq 0xfdbb58ad c: 48 8b 14 24 mov (%rsp),%rdx 10: e9 6e ff ff ff jmpq 0xffffff83 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 4c 89 ea mov %r13,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 0f 85 c1 0a 00 00 jne 0xaf1 <-- trapping instruction 30: 4d 8b 65 00 mov 0x0(%r13),%r12 34: 4c 89 e3 mov %r12,%rbx 37: 48 83 e3 fc and $0xfffffffffffffffc,%rbx 3b: 0f .byte 0xf 3c: 84 0c 01 test %cl,(%rcx,%rax,1)