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INFO: rcu detected stall in mmap_pgoff (3)

Status: auto-obsoleted due to no activity on 2022/12/11 19:43
Subsystems: mm
[Documentation on labels]
First crash: 602d, last: 602d
▶ ▼ Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in mmap_pgoff (5) mm fs 2 284d 314d 0/26 auto-obsoleted due to no activity on 2023/10/25 16:56
linux-4.19 INFO: rcu detected stall in mmap_pgoff syz error 2 1111d 1180d 0/1 upstream: reported syz repro on 2021/02/11 18:33
linux-5.15 INFO: rcu detected stall in mmap_pgoff 1 210d 210d 0/3 auto-obsoleted due to no activity on 2024/01/17 20:08
upstream INFO: rcu detected stall in mmap_pgoff (4) mm 1 412d 412d 0/26 auto-obsoleted due to no activity on 2023/05/21 07:37
upstream INFO: rcu detected stall in mmap_pgoff crypto 3 905d 913d 0/26 closed as invalid on 2022/02/08 10:00
upstream INFO: rcu detected stall in mmap_pgoff (2) kernel 1 801d 801d 0/26 auto-closed as invalid on 2022/05/26 19:52

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=730c/1/0x4000000000000000 softirq=37559/37559 fqs=0
	(detected by 0, t=10502 jiffies, g=57417, q=33 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 10511 Comm: syz-executor.4 Not tainted 6.0.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:mark_lock.part.0+0x177/0x1910 kernel/locking/lockdep.c:4651
Code: 00 00 00 48 c7 43 08 00 00 00 00 48 c7 43 14 00 00 00 00 48 8b 84 24 30 01 00 00 65 48 2b 04 25 28 00 00 00 0f 85 2b 13 00 00 <48> 81 c4 38 01 00 00 44 89 d0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48
RSP: 0000:ffffc900003f8a08 EFLAGS: 00000046
RAX: 0000000000000000 RBX: fffff5200007f148 RCX: 1ffffffff211c3be
RDX: dffffc0000000000 RSI: 0000000000000200 RDI: ffffffff908e1df0
RBP: 0000000000000200 R08: 0000000000000000 R09: ffffffff908df947
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88807a2f6b70
R13: 0000000000000009 R14: 000000000000002b R15: ffff88807a2f6b90
FS:  00007f731bddd700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff8b9595350 CR3: 00000000798eb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 mark_lock kernel/locking/lockdep.c:4596 [inline]
 mark_usage kernel/locking/lockdep.c:4553 [inline]
 __lock_acquire+0x8ab/0x56d0 kernel/locking/lockdep.c:5007
 lock_acquire kernel/locking/lockdep.c:5666 [inline]
 lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631
 rcu_lock_acquire include/linux/rcupdate.h:280 [inline]
 rcu_read_lock include/linux/rcupdate.h:706 [inline]
 advance_sched+0x4a5/0x9a0 net/sched/sch_taprio.c:769
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x5fa/0xe40 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x1ef/0x570 kernel/locking/lockdep.c:5634
Code: cf a3 7e 83 f8 01 0f 85 e8 02 00 00 9c 58 f6 c4 02 0f 85 fb 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: 0000:ffffc900035977d8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920006b2efd RCX: ffffffff815e53fe
RDX: 1ffff1100f45ed5e RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff908df957
R10: fffffbfff211bf2a R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88801be83df8 R15: 0000000000000000
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:349 [inline]
 filemap_map_pages+0x9ab/0x1e00 mm/filemap.c:3347
 do_fault_around mm/memory.c:4487 [inline]
 do_read_fault mm/memory.c:4513 [inline]
 do_fault mm/memory.c:4647 [inline]
 handle_pte_fault mm/memory.c:4911 [inline]
 __handle_mm_fault+0x210e/0x39b0 mm/memory.c:5053
 handle_mm_fault+0x1c8/0x780 mm/memory.c:5151
 faultin_page mm/gup.c:990 [inline]
 __get_user_pages+0x4f3/0xfd0 mm/gup.c:1219
 populate_vma_page_range+0x23d/0x320 mm/gup.c:1576
 __mm_populate+0x1ea/0x3d0 mm/gup.c:1689
 mm_populate include/linux/mm.h:2663 [inline]
 vm_mmap_pgoff+0x1fd/0x270 mm/util.c:557
 ksys_mmap_pgoff+0x79/0x5a0 mm/mmap.c:1586
 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+0x63/0xcd
RIP: 0033:0x7f731ce893c9
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:00007f731bddd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f731cf9c050 RCX: 00007f731ce893c9
RDX: 0000000000000003 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f731cee433f R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc5d272a6f R14: 00007f731bddd300 R15: 0000000000022000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g57417 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=34285
rcu: rcu_preempt kthread starved for 10502 jiffies! g57417 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:28368 pid:   16 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0xadf/0x52b0 kernel/sched/core.c:6494
 schedule+0xda/0x1b0 kernel/sched/core.c:6570
 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935
 rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1657
 rcu_gp_kthread+0x236/0x360 kernel/rcu/tree.c:1854
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 10511 Comm: syz-executor.4 Not tainted 6.0.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:102 [inline]
RIP: 0010:do_raw_spin_unlock+0xc5/0x230 kernel/locking/spinlock_debug.c:140
Code: 3c 02 00 0f 85 64 01 00 00 65 48 8b 04 25 80 6f 02 00 48 39 45 10 0f 85 d5 00 00 00 4c 8d 65 08 48 b8 00 00 00 00 00 fc ff df <4c> 89 e2 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e fb 00 00
RSP: 0000:ffffc900003f8cf0 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 0000000000000006 RCX: ffffffff815f2200
RDX: 1ffffffff2279ac9 RSI: 0000000000000004 RDI: ffffffff913cd638
RBP: ffffffff913cd638 R08: 0000000000000000 R09: ffffffff913cd63b
R10: fffffbfff2279ac7 R11: 0000000000000000 R12: ffffffff913cd640
R13: ffffffff913cd648 R14: 1ffff9200007f1a7 R15: ffffffff89eefc20
FS:  00007f731bddd700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff8b9595350 CR3: 00000000798eb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]
 _raw_spin_unlock_irqrestore+0x1e/0x70 kernel/locking/spinlock.c:194
 debug_object_activate+0x287/0x3e0 lib/debugobjects.c:686
 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
 debug_activate kernel/time/hrtimer.c:475 [inline]
 enqueue_hrtimer+0x27/0x3e0 kernel/time/hrtimer.c:1084
 __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
 __hrtimer_run_queues+0xaf3/0xe40 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x1ef/0x570 kernel/locking/lockdep.c:5634
Code: cf a3 7e 83 f8 01 0f 85 e8 02 00 00 9c 58 f6 c4 02 0f 85 fb 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: 0000:ffffc900035977d8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920006b2efd RCX: ffffffff815e53fe
RDX: 1ffff1100f45ed5e RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff908df957
R10: fffffbfff211bf2a R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88801be83df8 R15: 0000000000000000
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:349 [inline]
 filemap_map_pages+0x9ab/0x1e00 mm/filemap.c:3347
 do_fault_around mm/memory.c:4487 [inline]
 do_read_fault mm/memory.c:4513 [inline]
 do_fault mm/memory.c:4647 [inline]
 handle_pte_fault mm/memory.c:4911 [inline]
 __handle_mm_fault+0x210e/0x39b0 mm/memory.c:5053
 handle_mm_fault+0x1c8/0x780 mm/memory.c:5151
 faultin_page mm/gup.c:990 [inline]
 __get_user_pages+0x4f3/0xfd0 mm/gup.c:1219
 populate_vma_page_range+0x23d/0x320 mm/gup.c:1576
 __mm_populate+0x1ea/0x3d0 mm/gup.c:1689
 mm_populate include/linux/mm.h:2663 [inline]
 vm_mmap_pgoff+0x1fd/0x270 mm/util.c:557
 ksys_mmap_pgoff+0x79/0x5a0 mm/mmap.c:1586
 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+0x63/0xcd
RIP: 0033:0x7f731ce893c9
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:00007f731bddd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f731cf9c050 RCX: 00007f731ce893c9
RDX: 0000000000000003 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f731cee433f R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc5d272a6f R14: 00007f731bddd300 R15: 0000000000022000
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/09/12 19:32 upstream 80e78fcce86d f371ed7e .config console log report info ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in mmap_pgoff
* Struck through repros no longer work on HEAD.