general protection fault, probably for non-canonical address 0xdffffc0000000014: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000000a0-0x00000000000000a7]
CPU: 1 PID: 25258 Comm: syz-executor167 Not tainted 5.10.100-syzkaller-00843-g86e6176a4240 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dequeue_load_avg kernel/sched/fair.c:3095 [inline]
RIP: 0010:reweight_entity+0x110/0x510 kernel/sched/fair.c:3114
Code: 80 3c 08 00 74 08 48 89 df e8 0c 3c 5a 00 48 89 5d 88 4c 8b 3b 4c 89 e8 48 c1 e8 03 48 89 45 b0 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 e2 3b 5a 00 49 8b 45 00 31 db 4c 29
RSP: 0018:ffffc90000c17c10 EFLAGS: 00010006
RAX: 0000000000000014 RBX: ffff888112bae4e0 RCX: dffffc0000000000
RDX: 0000000000044000 RSI: ffff888112bae340 RDI: 0000000000000000
RBP: ffffc90000c17ca8 R08: ffffffff86e40048 R09: ffffffff86e40058
R10: ffffffff86e40050 R11: ffffffff86e40043 R12: 0000000000000000
R13: 00000000000000a0 R14: ffff888112bae340 R15: 0000000000000400
FS: 00007f87d6fda700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f87d707daa8 CR3: 00000001161a9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
reweight_task+0x8c/0x1a0 kernel/sched/fair.c:3139
set_load_weight kernel/sched/core.c:902 [inline]
set_user_nice+0x516/0xed0 kernel/sched/core.c:5255
set_one_prio+0x1cb/0x270 kernel/sys.c:202
__do_sys_setpriority kernel/sys.c:243 [inline]
__se_sys_setpriority+0x2ee/0x750 kernel/sys.c:207
__x64_sys_setpriority+0x7b/0x90 kernel/sys.c:207
do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f87d70288c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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:00007f87d6fda318 EFLAGS: 00000246 ORIG_RAX: 000000000000008d
RAX: ffffffffffffffda RBX: 00007f87d70b03e8 RCX: 00007f87d70288c9
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 00007f87d70b03e0 R08: 00007f87d6fda700 R09: 0000000000000000
R10: 00007f87d6fda700 R11: 0000000000000246 R12: 00007f87d70b03ec
R13: 00007ffe0f7848ef R14: 00007f87d6fda400 R15: 0000000000022000
Modules linked in:
---[ end trace 72d1249a48ac3502 ]---
RIP: 0010:dequeue_load_avg kernel/sched/fair.c:3095 [inline]
RIP: 0010:reweight_entity+0x110/0x510 kernel/sched/fair.c:3114
Code: 80 3c 08 00 74 08 48 89 df e8 0c 3c 5a 00 48 89 5d 88 4c 8b 3b 4c 89 e8 48 c1 e8 03 48 89 45 b0 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 e2 3b 5a 00 49 8b 45 00 31 db 4c 29
RSP: 0018:ffffc90000c17c10 EFLAGS: 00010006
RAX: 0000000000000014 RBX: ffff888112bae4e0 RCX: dffffc0000000000
RDX: 0000000000044000 RSI: ffff888112bae340 RDI: 0000000000000000
RBP: ffffc90000c17ca8 R08: ffffffff86e40048 R09: ffffffff86e40058
R10: ffffffff86e40050 R11: ffffffff86e40043 R12: 0000000000000000
R13: 00000000000000a0 R14: ffff888112bae340 R15: 0000000000000400
FS: 00007f87d6fda700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f87d707daa8 CR3: 00000001161a9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1)
4: 74 08 je 0xe
6: 48 89 df mov %rbx,%rdi
9: e8 0c 3c 5a 00 callq 0x5a3c1a
e: 48 89 5d 88 mov %rbx,-0x78(%rbp)
12: 4c 8b 3b mov (%rbx),%r15
15: 4c 89 e8 mov %r13,%rax
18: 48 c1 e8 03 shr $0x3,%rax
1c: 48 89 45 b0 mov %rax,-0x50(%rbp)
20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
27: fc ff df
* 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 4c 89 ef mov %r13,%rdi
33: e8 e2 3b 5a 00 callq 0x5a3c1a
38: 49 8b 45 00 mov 0x0(%r13),%rax
3c: 31 db xor %ebx,%ebx
3e: 4c rex.WR
3f: 29 .byte 0x29