* [linus:master] [mm] cc92eba1c8: WARNING:at_kernel/rcu/tree_plugin.h:#__rcu_read_unlock
@ 2024-05-27 2:56 kernel test robot
2024-06-01 23:42 ` Suren Baghdasaryan
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2024-05-27 2:56 UTC (permalink / raw)
To: Suren Baghdasaryan
Cc: oe-lkp, lkp, linux-kernel, Andrew Morton, Vlastimil Babka,
Kees Cook, Alexander Viro, Alex Gaynor, Alice Ryhl,
Andreas Hindborg, Benno Lossin, Björn Roy Baron, Boqun Feng,
Christoph Lameter, Dennis Zhou, Gary Guo, Kent Overstreet,
Miguel Ojeda, Pasha Tatashin, Peter Zijlstra, Tejun Heo,
Wedson Almeida Filho, linux-mm, oliver.sang
Hello,
kernel test robot noticed "WARNING:at_kernel/rcu/tree_plugin.h:#__rcu_read_unlock" on:
commit: cc92eba1c88b1f74e0f044df2738f4e4b22f1e4e ("mm: fix non-compound multi-order memory accounting in __free_pages")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
[test failed on linus/master 6d69b6c12fce479fde7bc06f686212451688a102]
[test failed on linux-next/master 3689b0ef08b70e4e03b82ebd37730a03a672853a]
in testcase: boot
compiler: clang-18
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202405271029.6d2f9c4c-lkp@intel.com
[ 2.504179][ C0] ------------[ cut here ]------------
[ 2.506222][ C0] WARNING: CPU: 0 PID: 1 at kernel/rcu/tree_plugin.h:431 __rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
[ 2.508117][ C0] Modules linked in:
[ 2.509538][ C0] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc4-00080-gcc92eba1c88b #1 1899fb0438e1349d8761ad4016a94aaeaa8a37df
[ 2.512111][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 2.518194][ C0] RIP: 0010:__rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
[ 2.520109][ C0] Code: 00 00 41 83 3e 00 75 26 43 0f b6 04 3c 84 c0 75 5f 8b 03 3d 00 00 00 40 73 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb ec e8 8d 00 00 00 eb d3 89 d9 80 e1 07 80 c1 03 38 c1 7c
All code
========
0: 00 00 add %al,(%rax)
2: 41 83 3e 00 cmpl $0x0,(%r14)
6: 75 26 jne 0x2e
8: 43 0f b6 04 3c movzbl (%r12,%r15,1),%eax
d: 84 c0 test %al,%al
f: 75 5f jne 0x70
11: 8b 03 mov (%rbx),%eax
13: 3d 00 00 00 40 cmp $0x40000000,%eax
18: 73 10 jae 0x2a
1a: 5b pop %rbx
1b: 41 5c pop %r12
1d: 41 5d pop %r13
1f: 41 5e pop %r14
21: 41 5f pop %r15
23: 5d pop %rbp
24: c3 ret
25: cc int3
26: cc int3
27: cc int3
28: cc int3
29: cc int3
2a:* 0f 0b ud2 <-- trapping instruction
2c: eb ec jmp 0x1a
2e: e8 8d 00 00 00 call 0xc0
33: eb d3 jmp 0x8
35: 89 d9 mov %ebx,%ecx
37: 80 e1 07 and $0x7,%cl
3a: 80 c1 03 add $0x3,%cl
3d: 38 c1 cmp %al,%cl
3f: 7c .byte 0x7c
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: eb ec jmp 0xfffffffffffffff0
4: e8 8d 00 00 00 call 0x96
9: eb d3 jmp 0xffffffffffffffde
b: 89 d9 mov %ebx,%ecx
d: 80 e1 07 and $0x7,%cl
10: 80 c1 03 add $0x3,%cl
13: 38 c1 cmp %al,%cl
15: 7c .byte 0x7c
[ 2.524112][ C0] RSP: 0000:ffff8883ae809db8 EFLAGS: 00010286
[ 2.526188][ C0] RAX: 00000000ffffffff RBX: ffff888100ac04ac RCX: dffffc0000000000
[ 2.528109][ C0] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff888100ac0040
[ 2.530810][ C0] RBP: 00000000ffffffff R08: ffffffff878bc007 R09: 1ffffffff0f17800
[ 2.532116][ C0] R10: dffffc0000000000 R11: fffffbfff0f17801 R12: 1ffff11020158095
[ 2.534888][ C0] R13: dffffc0000000000 R14: ffffea0004037400 R15: dffffc0000000000
[ 2.536108][ C0] FS: 0000000000000000(0000) GS:ffff8883ae800000(0000) knlGS:0000000000000000
[ 2.539082][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.540110][ C0] CR2: ffff88843ffff000 CR3: 00000000056ce000 CR4: 00000000000406f0
[ 2.542812][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2.544109][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2.546833][ C0] Call Trace:
[ 2.548013][ C0] <IRQ>
[ 2.548772][ C0] ? __warn (kernel/panic.c:240 kernel/panic.c:694)
[ 2.550219][ C0] ? __rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
[ 2.551982][ C0] ? __rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
[ 2.553266][ C0] ? report_bug (lib/bug.c:?)
[ 2.555068][ C0] ? handle_bug (arch/x86/kernel/traps.c:239)
[ 2.556133][ C0] ? exc_invalid_op (arch/x86/kernel/traps.c:260)
[ 2.557753][ C0] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
[ 2.559780][ C0] ? __rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
[ 2.561383][ C0] page_ext_put (include/linux/rcupdate.h:339 include/linux/rcupdate.h:814 mm/page_ext.c:537)
[ 2.562887][ C0] __free_pages (include/linux/page_ref.h:210 include/linux/mm.h:1135 mm/page_alloc.c:4669)
[ 2.564182][ C0] ? __pfx_thread_stack_free_rcu (kernel/fork.c:346)
[ 2.566080][ C0] ? rcu_core (kernel/rcu/tree.c:?)
[ 2.567681][ C0] rcu_core (include/linux/rcupdate.h:339 kernel/rcu/tree.c:2198 kernel/rcu/tree.c:2471)
[ 2.569661][ C0] __do_softirq (arch/x86/include/asm/jump_label.h:27 include/linux/jump_label.h:207 include/trace/events/irq.h:142 kernel/softirq.c:555)
[ 2.571612][ C0] ? __irq_exit_rcu (kernel/softirq.c:613 kernel/softirq.c:635)
[ 2.573327][ C0] __irq_exit_rcu (kernel/softirq.c:613 kernel/softirq.c:635)
[ 2.574888][ C0] irq_exit_rcu (kernel/softirq.c:647)
[ 2.576112][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043)
[ 2.578091][ C0] </IRQ>
[ 2.579130][ C0] <TASK>
[ 2.580154][ C0] asm_sysvec_apic_timer_interrupt (arch/x86/include/asm/idtentry.h:702)
[ 2.582143][ C0] RIP: 0010:clear_page_rep (arch/x86/lib/clear_page_64.S:20)
[ 2.583920][ C0] Code: 1f 46 c0 fd e9 26 ff ff ff cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 b9 00 02 00 00 31 c0 <f3> 48 ab c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90
All code
========
0: 1f (bad)
1: 46 c0 fd e9 rex.RX sar $0xe9,%bpl
5: 26 ff es (bad)
7: ff (bad)
8: ff cc dec %esp
a: cc int3
b: cc int3
c: cc int3
d: cc int3
e: cc int3
f: cc int3
10: cc int3
11: cc int3
12: cc int3
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: 90 nop
1f: 90 nop
20: 90 nop
21: 90 nop
22: 90 nop
23: b9 00 02 00 00 mov $0x200,%ecx
28: 31 c0 xor %eax,%eax
2a:* f3 48 ab rep stos %rax,%es:(%rdi) <-- trapping instruction
2d: c3 ret
2e: cc int3
2f: cc int3
30: cc int3
31: cc int3
32: 90 nop
33: 90 nop
34: 90 nop
35: 90 nop
36: 90 nop
37: 90 nop
38: 90 nop
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop
Code starting with the faulting instruction
===========================================
0: f3 48 ab rep stos %rax,%es:(%rdi)
3: c3 ret
4: cc int3
5: cc int3
6: cc int3
7: cc int3
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240527/202405271029.6d2f9c4c-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [linus:master] [mm] cc92eba1c8: WARNING:at_kernel/rcu/tree_plugin.h:#__rcu_read_unlock
2024-05-27 2:56 [linus:master] [mm] cc92eba1c8: WARNING:at_kernel/rcu/tree_plugin.h:#__rcu_read_unlock kernel test robot
@ 2024-06-01 23:42 ` Suren Baghdasaryan
0 siblings, 0 replies; 2+ messages in thread
From: Suren Baghdasaryan @ 2024-06-01 23:42 UTC (permalink / raw)
To: kernel test robot
Cc: oe-lkp, lkp, linux-kernel, Andrew Morton, Vlastimil Babka,
Kees Cook, Alexander Viro, Alex Gaynor, Alice Ryhl,
Andreas Hindborg, Benno Lossin, Björn Roy Baron, Boqun Feng,
Christoph Lameter, Dennis Zhou, Gary Guo, Kent Overstreet,
Miguel Ojeda, Pasha Tatashin, Peter Zijlstra, Tejun Heo,
Wedson Almeida Filho, linux-mm
On Sun, May 26, 2024 at 7:57 PM kernel test robot <oliver.sang@intel.com> wrote:
>
>
>
> Hello,
>
> kernel test robot noticed "WARNING:at_kernel/rcu/tree_plugin.h:#__rcu_read_unlock" on:
>
> commit: cc92eba1c88b1f74e0f044df2738f4e4b22f1e4e ("mm: fix non-compound multi-order memory accounting in __free_pages")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
> [test failed on linus/master 6d69b6c12fce479fde7bc06f686212451688a102]
> [test failed on linux-next/master 3689b0ef08b70e4e03b82ebd37730a03a672853a]
>
> in testcase: boot
>
> compiler: clang-18
> test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
>
> (please refer to attached dmesg/kmsg for entire log/backtrace)
>
>
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <oliver.sang@intel.com>
> | Closes: https://lore.kernel.org/oe-lkp/202405271029.6d2f9c4c-lkp@intel.com
Fix is posted at
https://lore.kernel.org/all/20240601233840.617458-1-surenb@google.com/
>
>
> [ 2.504179][ C0] ------------[ cut here ]------------
> [ 2.506222][ C0] WARNING: CPU: 0 PID: 1 at kernel/rcu/tree_plugin.h:431 __rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
> [ 2.508117][ C0] Modules linked in:
> [ 2.509538][ C0] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc4-00080-gcc92eba1c88b #1 1899fb0438e1349d8761ad4016a94aaeaa8a37df
> [ 2.512111][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
> [ 2.518194][ C0] RIP: 0010:__rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
> [ 2.520109][ C0] Code: 00 00 41 83 3e 00 75 26 43 0f b6 04 3c 84 c0 75 5f 8b 03 3d 00 00 00 40 73 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb ec e8 8d 00 00 00 eb d3 89 d9 80 e1 07 80 c1 03 38 c1 7c
> All code
> ========
> 0: 00 00 add %al,(%rax)
> 2: 41 83 3e 00 cmpl $0x0,(%r14)
> 6: 75 26 jne 0x2e
> 8: 43 0f b6 04 3c movzbl (%r12,%r15,1),%eax
> d: 84 c0 test %al,%al
> f: 75 5f jne 0x70
> 11: 8b 03 mov (%rbx),%eax
> 13: 3d 00 00 00 40 cmp $0x40000000,%eax
> 18: 73 10 jae 0x2a
> 1a: 5b pop %rbx
> 1b: 41 5c pop %r12
> 1d: 41 5d pop %r13
> 1f: 41 5e pop %r14
> 21: 41 5f pop %r15
> 23: 5d pop %rbp
> 24: c3 ret
> 25: cc int3
> 26: cc int3
> 27: cc int3
> 28: cc int3
> 29: cc int3
> 2a:* 0f 0b ud2 <-- trapping instruction
> 2c: eb ec jmp 0x1a
> 2e: e8 8d 00 00 00 call 0xc0
> 33: eb d3 jmp 0x8
> 35: 89 d9 mov %ebx,%ecx
> 37: 80 e1 07 and $0x7,%cl
> 3a: 80 c1 03 add $0x3,%cl
> 3d: 38 c1 cmp %al,%cl
> 3f: 7c .byte 0x7c
>
> Code starting with the faulting instruction
> ===========================================
> 0: 0f 0b ud2
> 2: eb ec jmp 0xfffffffffffffff0
> 4: e8 8d 00 00 00 call 0x96
> 9: eb d3 jmp 0xffffffffffffffde
> b: 89 d9 mov %ebx,%ecx
> d: 80 e1 07 and $0x7,%cl
> 10: 80 c1 03 add $0x3,%cl
> 13: 38 c1 cmp %al,%cl
> 15: 7c .byte 0x7c
> [ 2.524112][ C0] RSP: 0000:ffff8883ae809db8 EFLAGS: 00010286
> [ 2.526188][ C0] RAX: 00000000ffffffff RBX: ffff888100ac04ac RCX: dffffc0000000000
> [ 2.528109][ C0] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff888100ac0040
> [ 2.530810][ C0] RBP: 00000000ffffffff R08: ffffffff878bc007 R09: 1ffffffff0f17800
> [ 2.532116][ C0] R10: dffffc0000000000 R11: fffffbfff0f17801 R12: 1ffff11020158095
> [ 2.534888][ C0] R13: dffffc0000000000 R14: ffffea0004037400 R15: dffffc0000000000
> [ 2.536108][ C0] FS: 0000000000000000(0000) GS:ffff8883ae800000(0000) knlGS:0000000000000000
> [ 2.539082][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 2.540110][ C0] CR2: ffff88843ffff000 CR3: 00000000056ce000 CR4: 00000000000406f0
> [ 2.542812][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 2.544109][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 2.546833][ C0] Call Trace:
> [ 2.548013][ C0] <IRQ>
> [ 2.548772][ C0] ? __warn (kernel/panic.c:240 kernel/panic.c:694)
> [ 2.550219][ C0] ? __rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
> [ 2.551982][ C0] ? __rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
> [ 2.553266][ C0] ? report_bug (lib/bug.c:?)
> [ 2.555068][ C0] ? handle_bug (arch/x86/kernel/traps.c:239)
> [ 2.556133][ C0] ? exc_invalid_op (arch/x86/kernel/traps.c:260)
> [ 2.557753][ C0] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
> [ 2.559780][ C0] ? __rcu_read_unlock (kernel/rcu/tree_plugin.h:431)
> [ 2.561383][ C0] page_ext_put (include/linux/rcupdate.h:339 include/linux/rcupdate.h:814 mm/page_ext.c:537)
> [ 2.562887][ C0] __free_pages (include/linux/page_ref.h:210 include/linux/mm.h:1135 mm/page_alloc.c:4669)
> [ 2.564182][ C0] ? __pfx_thread_stack_free_rcu (kernel/fork.c:346)
> [ 2.566080][ C0] ? rcu_core (kernel/rcu/tree.c:?)
> [ 2.567681][ C0] rcu_core (include/linux/rcupdate.h:339 kernel/rcu/tree.c:2198 kernel/rcu/tree.c:2471)
> [ 2.569661][ C0] __do_softirq (arch/x86/include/asm/jump_label.h:27 include/linux/jump_label.h:207 include/trace/events/irq.h:142 kernel/softirq.c:555)
> [ 2.571612][ C0] ? __irq_exit_rcu (kernel/softirq.c:613 kernel/softirq.c:635)
> [ 2.573327][ C0] __irq_exit_rcu (kernel/softirq.c:613 kernel/softirq.c:635)
> [ 2.574888][ C0] irq_exit_rcu (kernel/softirq.c:647)
> [ 2.576112][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043)
> [ 2.578091][ C0] </IRQ>
> [ 2.579130][ C0] <TASK>
> [ 2.580154][ C0] asm_sysvec_apic_timer_interrupt (arch/x86/include/asm/idtentry.h:702)
> [ 2.582143][ C0] RIP: 0010:clear_page_rep (arch/x86/lib/clear_page_64.S:20)
> [ 2.583920][ C0] Code: 1f 46 c0 fd e9 26 ff ff ff cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 b9 00 02 00 00 31 c0 <f3> 48 ab c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90
> All code
> ========
> 0: 1f (bad)
> 1: 46 c0 fd e9 rex.RX sar $0xe9,%bpl
> 5: 26 ff es (bad)
> 7: ff (bad)
> 8: ff cc dec %esp
> a: cc int3
> b: cc int3
> c: cc int3
> d: cc int3
> e: cc int3
> f: cc int3
> 10: cc int3
> 11: cc int3
> 12: cc int3
> 13: 90 nop
> 14: 90 nop
> 15: 90 nop
> 16: 90 nop
> 17: 90 nop
> 18: 90 nop
> 19: 90 nop
> 1a: 90 nop
> 1b: 90 nop
> 1c: 90 nop
> 1d: 90 nop
> 1e: 90 nop
> 1f: 90 nop
> 20: 90 nop
> 21: 90 nop
> 22: 90 nop
> 23: b9 00 02 00 00 mov $0x200,%ecx
> 28: 31 c0 xor %eax,%eax
> 2a:* f3 48 ab rep stos %rax,%es:(%rdi) <-- trapping instruction
> 2d: c3 ret
> 2e: cc int3
> 2f: cc int3
> 30: cc int3
> 31: cc int3
> 32: 90 nop
> 33: 90 nop
> 34: 90 nop
> 35: 90 nop
> 36: 90 nop
> 37: 90 nop
> 38: 90 nop
> 39: 90 nop
> 3a: 90 nop
> 3b: 90 nop
> 3c: 90 nop
> 3d: 90 nop
> 3e: 90 nop
> 3f: 90 nop
>
> Code starting with the faulting instruction
> ===========================================
> 0: f3 48 ab rep stos %rax,%es:(%rdi)
> 3: c3 ret
> 4: cc int3
> 5: cc int3
> 6: cc int3
> 7: cc int3
> 8: 90 nop
> 9: 90 nop
> a: 90 nop
> b: 90 nop
> c: 90 nop
> d: 90 nop
> e: 90 nop
> f: 90 nop
> 10: 90 nop
> 11: 90 nop
> 12: 90 nop
> 13: 90 nop
> 14: 90 nop
> 15: 90 nop
>
>
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20240527/202405271029.6d2f9c4c-lkp@intel.com
>
>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-05-27 2:56 [linus:master] [mm] cc92eba1c8: WARNING:at_kernel/rcu/tree_plugin.h:#__rcu_read_unlock kernel test robot
2024-06-01 23:42 ` Suren Baghdasaryan
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