Hello,
kernel test robot noticed "Oops:general_protection_fault,probably_for_non-canonical_address#:#[##]PREEMPT_SMP_KASAN" on:
commit: c1cda7af3fc96879b4b2d217b1e8a4ab5fa70df5 ("mm/mremap: introduce and use vma_remap_struct threaded state")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
[test failed on linux-next/master 0a2f889128969dab41861b6e40111aa03dc57014]
in testcase: trinity
version: trinity-x86_64-ba2360ed-1_20241228
with following parameters:
runtime: 300s
group: group-01
nr_groups: 5
config: x86_64-randconfig-161-20250305
compiler: gcc-12
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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202503101328.442cc724-lkp@xxxxxxxxx
[ 386.012648][T30778] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN
[ 386.013652][T30778] KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
[ 386.014339][T30778] CPU: 0 UID: 65534 PID: 30778 Comm: trinity-c2 Not tainted 6.14.0-rc3-00386-gc1cda7af3fc9 #1 678ccffbca77f1cea62114cb252a9002fbee4b41
[ 386.015339][T30778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[386.016126][T30778] RIP: 0010:resize_is_valid (kbuild/src/consumer/mm/mremap.c:1010 (discriminator 1))
[ 386.016591][T30778] Code: 00 74 05 e8 7d 4a 07 00 4d 85 ff 4c 8b 73 10 0f 85 f2 00 00 00 49 8d 7c 24 20 b8 ff ff 37 00 48 c1 e0 2a 48 89 fa 48 c1 ea 03 <80> 3c 02 00 74 05 e8 50 4a 07 00 41 f6 44 24 20 88 75 6a 80 3d b4
All code
========
0: 00 74 05 e8 add %dh,-0x18(%rbp,%rax,1)
4: 7d 4a jge 0x50
6: 07 (bad)
7: 00 4d 85 add %cl,-0x7b(%rbp)
a: ff 4c 8b 73 decl 0x73(%rbx,%rcx,4)
e: 10 0f adc %cl,(%rdi)
10: 85 f2 test %esi,%edx
12: 00 00 add %al,(%rax)
14: 00 49 8d add %cl,-0x73(%rcx)
17: 7c 24 jl 0x3d
19: 20 b8 ff ff 37 00 and %bh,0x37ffff(%rax)
1f: 48 c1 e0 2a shl $0x2a,%rax
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
2a:* 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 74 05 je 0x35
30: e8 50 4a 07 00 call 0x74a85
35: 41 f6 44 24 20 88 testb $0x88,0x20(%r12)
3b: 75 6a jne 0xa7
3d: 80 .byte 0x80
3e: 3d .byte 0x3d
3f: b4 .byte 0xb4
Code starting with the faulting instruction
===========================================
0: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
4: 74 05 je 0xb
6: e8 50 4a 07 00 call 0x74a5b
b: 41 f6 44 24 20 88 testb $0x88,0x20(%r12)
11: 75 6a jne 0x7d
13: 80 .byte 0x80
14: 3d .byte 0x3d
15: b4 .byte 0xb4
[ 386.018009][T30778] RSP: 0018:ffffc900088f7a78 EFLAGS: 00010202
[ 386.018494][T30778] RAX: dffffc0000000000 RBX: ffffc900088f7c08 RCX: 1ffff9200111ef89
[ 386.019127][T30778] RDX: 0000000000000004 RSI: ffffffff848b6760 RDI: 0000000000000020
[ 386.019764][T30778] RBP: ffffc900088f7aa8 R08: fffffbfff105c033 R09: 0000000000000000
[ 386.020395][T30778] R10: ffffffff8146f920 R11: fffffbfff105c032 R12: 0000000000000000
[ 386.021032][T30778] R13: 0000000000400000 R14: 0000000000001000 R15: 0000000000000000
[ 386.021676][T30778] FS: 00007f012ebf1740(0000) GS:ffff8883aec00000(0000) knlGS:0000000000000000
[ 386.022767][T30778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 386.023585][T30778] CR2: 00007f012e8a2efc CR3: 0000000102319000 CR4: 00000000000406b0
[ 386.024598][T30778] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 386.025614][T30778] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 386.026665][T30778] Call Trace:
[ 386.027160][T30778] <TASK>
[386.027624][T30778] ? show_regs (kbuild/src/consumer/arch/x86/kernel/dumpstack.c:479)
[386.028222][T30778] ? __die_body (kbuild/src/consumer/arch/x86/kernel/dumpstack.c:421)
[386.028816][T30778] ? die_addr (kbuild/src/consumer/arch/x86/kernel/dumpstack.c:455)
[386.029399][T30778] ? exc_general_protection (kbuild/src/consumer/arch/x86/kernel/traps.c:751 kbuild/src/consumer/arch/x86/kernel/traps.c:693)
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250310/202503101328.442cc724-lkp@xxxxxxxxx
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
