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[syzbot] [cgroups?] [mm?] INFO: rcu detected stall in shmem_fault (6) | 0 (1) | 2024/09/19 14:28 |
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[syzbot] [cgroups?] [mm?] INFO: rcu detected stall in shmem_fault (6) | 0 (1) | 2024/09/19 14:28 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: rcu detected stall in shmem_fault (4) kernel | 1 | 629d | 629d | 0/28 | auto-obsoleted due to no activity on 2023/04/08 07:17 | |||
linux-5.15 | INFO: rcu detected stall in shmem_fault (2) | 4 | 1d17h | 109d | 0/3 | upstream: reported on 2024/06/03 20:13 | |||
upstream | INFO: rcu detected stall in shmem_fault mm | 13 | 2013d | 2173d | 0/28 | closed as dup on 2019/01/02 16:58 | |||
linux-6.1 | INFO: rcu detected stall in shmem_fault | 7 | 41d | 105d | 0/3 | upstream: reported on 2024/06/07 10:17 | |||
upstream | INFO: rcu detected stall in shmem_fault (5) cgroups mm | 3 | 399d | 420d | 23/28 | fixed on 2023/10/12 12:48 | |||
linux-5.15 | INFO: rcu detected stall in shmem_fault | 1 | 384d | 384d | 0/3 | auto-obsoleted due to no activity on 2023/12/11 11:17 | |||
upstream | INFO: rcu detected stall in shmem_fault (3) fs mm | 4 | 878d | 879d | 0/28 | auto-closed as invalid on 2022/06/25 08:10 | |||
upstream | INFO: rcu detected stall in shmem_fault (2) cgroups mm | 1 | 1752d | 1752d | 0/28 | closed as invalid on 2019/12/04 14:04 |
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9592/1:b..l rcu: (detected by 1, t=10502 jiffies, g=41797, q=358 ncpus=2) task:syz.1.962 state:R running task stack:24176 pid:9592 tgid:9589 ppid:9183 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5188 [inline] __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6851 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5763 Code: 2b 00 74 08 4c 89 f7 e8 ea e1 87 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc90003d47020 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff920007a8e10 RCX: baa91729e815a300 RDX: dffffc0000000000 RSI: ffffffff8beae6e0 RDI: ffffffff8c3fbb00 RBP: ffffc90003d47168 R08: ffffffff93fa6847 R09: 1ffffffff27f4d08 R10: dffffc0000000000 R11: fffffbfff27f4d09 R12: 1ffff920007a8e0c R13: dffffc0000000000 R14: ffffc90003d47080 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:326 [inline] rcu_read_lock include/linux/rcupdate.h:838 [inline] filemap_get_entry+0x144/0x3b0 mm/filemap.c:1837 shmem_get_folio_gfp+0x29a/0x2370 mm/shmem.c:2104 shmem_fault+0x252/0x6f0 mm/shmem.c:2388 __do_fault+0x135/0x460 mm/memory.c:4672 do_read_fault mm/memory.c:5078 [inline] do_fault mm/memory.c:5208 [inline] do_pte_missing mm/memory.c:3964 [inline] handle_pte_fault+0x321f/0x6fc0 mm/memory.c:5538 __handle_mm_fault mm/memory.c:5681 [inline] handle_mm_fault+0x1056/0x1ad0 mm/memory.c:5849 faultin_page mm/gup.c:1194 [inline] __get_user_pages+0x6ec/0x16a0 mm/gup.c:1493 populate_vma_page_range+0x264/0x330 mm/gup.c:1932 __mm_populate+0x27a/0x460 mm/gup.c:2035 mm_populate include/linux/mm.h:3430 [inline] vm_mmap_pgoff+0x2c3/0x3d0 mm/util.c:593 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f848877def9 RSP: 002b:00007f848949c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f8488936058 RCX: 00007f848877def9 RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f84887f0b76 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f8488936058 R15: 00007ffd36b2c578 </TASK> rcu: rcu_preempt kthread starved for 10184 jiffies! g41797 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:26448 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5188 [inline] __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> rcu: Stack dump where RCU GP kthread last ran: CPU: 1 UID: 0 PID: 9590 Comm: syz.4.963 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__bpf_trace_run kernel/trace/bpf_trace.c:2397 [inline] RIP: 0010:bpf_trace_run2+0x159/0x540 kernel/trace/bpf_trace.c:2447 Code: 08 42 80 3c 30 00 74 08 48 89 df e8 81 a7 58 00 48 89 5c 24 38 48 8b 03 bb 01 00 00 00 65 0f c1 18 31 ff 89 de e8 f7 87 f4 ff <85> db 0f 85 b4 02 00 00 49 83 c5 70 4c 89 e8 48 c1 e8 03 42 80 3c RSP: 0018:ffffc9000318fde0 EFLAGS: 00000297 RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888026beda00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000318fec8 R08: ffffffff819f08a9 R09: 0000000000000000 R10: ffffc9000318fe40 R11: fffff52000631fca R12: ffffc90003b05000 R13: ffff888033723100 R14: dffffc0000000000 R15: ffffc9000318fe40 FS: 00007fc00c8a16c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3f657a CR3: 0000000088454000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> </IRQ> <TASK> trace_sys_enter+0x93/0xd0 include/trace/events/syscalls.h:18 syscall_trace_enter+0xf8/0x150 kernel/entry/common.c:61 syscall_enter_from_user_mode_work include/linux/entry-common.h:168 [inline] syscall_enter_from_user_mode include/linux/entry-common.h:198 [inline] do_syscall_64+0xcc/0x230 arch/x86/entry/common.c:79 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc00bb19869 Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25 RSP: 002b:00007fc00c8a0b40 EFLAGS: 00000246 ORIG_RAX: 000000000000000f RAX: ffffffffffffffda RBX: 00007fc00bd35f88 RCX: 00007fc00bb19869 RDX: 00007fc00c8a0b40 RSI: 00007fc00c8a0c70 RDI: 0000000000000011 RBP: 00007fc00bd35f80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc00bd35f8c R13: 0000000000000000 R14: 00007ffc51e12cf0 R15: 00007ffc51e12dd8 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/15 14:18 | upstream | 0babf683783d | 08d8a733 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in shmem_fault | ||
2024/09/10 04:46 | upstream | bc83b4d1f086 | dd9c7e97 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/09/01 16:15 | upstream | 431c1646e1f8 | 1eda0d14 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in shmem_fault | ||
2024/09/01 07:33 | upstream | e8784b0aef62 | 1eda0d14 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/08/18 10:20 | upstream | df6cbc62cc9b | dbc93b08 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in shmem_fault | ||
2024/08/18 09:10 | upstream | df6cbc62cc9b | dbc93b08 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: rcu detected stall in shmem_fault | ||
2024/08/15 02:12 | upstream | 9d5906799f7d | e4bacdaf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: rcu detected stall in shmem_fault | ||
2024/08/10 14:55 | upstream | afdab700f65e | 6f4edef4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in shmem_fault | ||
2024/08/05 08:18 | upstream | a5dbd76a8942 | 1786a2a8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in shmem_fault | ||
2024/08/01 11:57 | upstream | 21b136cc63d2 | 1e9c4cf3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: rcu detected stall in shmem_fault | ||
2024/07/30 07:16 | upstream | 94ede2a3e913 | 5187fc86 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in shmem_fault | ||
2024/07/10 12:02 | upstream | 34afb82a3c67 | e7213be3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/07/08 17:36 | upstream | 256abd8e550c | cde64f7d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: rcu detected stall in shmem_fault | ||
2024/07/04 08:41 | upstream | 795c58e4c7fc | 409d975c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/30 10:36 | upstream | 8282d5af7be8 | 757f06b1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/27 11:32 | upstream | 24ca36a562d6 | 5c045c04 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/23 03:14 | upstream | 5f583a3162ff | edc5149a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/20 09:53 | upstream | 2ccbdf43d5e7 | 41b7e219 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/15 01:24 | upstream | 2ccbdf43d5e7 | 8d849073 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/08 10:58 | upstream | 96e09b8f8166 | 82c05ab8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/07 01:21 | upstream | 8a92980606e3 | 121701b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: rcu detected stall in shmem_fault | ||
2024/05/28 11:58 | upstream | 2bfcfd584ff5 | f550015e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/05/22 22:33 | upstream | 8f6a15f095a6 | 4d098039 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: rcu detected stall in shmem_fault | ||
2024/04/29 06:22 | upstream | e67572cd2204 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: rcu detected stall in shmem_fault | ||
2024/05/10 20:11 | net | a2c78977950d | f7c35481 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: rcu detected stall in shmem_fault | ||
2024/07/22 14:40 | linux-next | 41c196e567fb | f063dfd9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/07/05 17:22 | linux-next | 0b58e108042b | 2a40360c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/17 09:43 | linux-next | a957267fa7e9 | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/11 20:27 | linux-next | a957267fa7e9 | c7d7d815 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: rcu detected stall in shmem_fault | ||
2024/06/05 09:21 | linux-next | 234cb065ad82 | e1e2c66e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: rcu detected stall in shmem_fault |