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: 18467 Comm: syz-executor672 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:dequeue_load_avg kernel/sched/fair.c:3033 [inline] RIP: 0010:dequeue_load_avg kernel/sched/fair.c:3033 [inline] kernel/sched/fair.c:3052 RIP: 0010:reweight_entity+0x152/0x430 kernel/sched/fair.c:3052 kernel/sched/fair.c:3052 Code: 03 80 3c 11 00 0f 85 ba 02 00 00 48 8d bd a0 00 00 00 4c 8b ab e0 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 6a 02 00 00 48 8b 95 a0 00 00 00 4c 29 ea 0f 82 RSP: 0018:ffffc9000b6c7d68 EFLAGS: 00010006 RAX: 0000000000003c00 RBX: ffff888020bcba80 RCX: 0000000000000014 RDX: dffffc0000000000 RSI: ffff888020bcba80 RDI: 00000000000000a0 RBP: 0000000000000000 R08: ffff888020bcbe0c R09: ffff88801f2e8000 R10: ffff888020bcbc90 R11: ffff888020bcba70 R12: ffff888020bcbab8 R13: 0000000000000400 R14: 0000000000000000 R15: ffff8880b9c3a7d8 FS: 00007feccbab3700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd630085f8 CR3: 0000000074a55000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reweight_task+0x94/0x160 kernel/sched/fair.c:3077 kernel/sched/fair.c:3077 set_load_weight kernel/sched/core.c:1225 [inline] set_load_weight kernel/sched/core.c:1225 [inline] kernel/sched/core.c:6882 set_user_nice.part.0+0x837/0x1120 kernel/sched/core.c:6882 kernel/sched/core.c:6882 set_one_prio+0x241/0x340 kernel/sys.c:198 kernel/sys.c:198 __do_sys_setpriority+0x309/0xab0 kernel/sys.c:239 kernel/sys.c:239 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_x64 arch/x86/entry/common.c:50 [inline] arch/x86/entry/common.c:80 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7feccbb01819 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:00007feccbab3318 EFLAGS: 00000246 ORIG_RAX: 000000000000008d RAX: ffffffffffffffda RBX: 00007feccbb893e8 RCX: 00007feccbb01819 RDX: 0000000000008f82 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 00007feccbb893e0 R08: 00007feccbab3700 R09: 0000000000000000 R10: 00007feccbab3700 R11: 0000000000000246 R12: 00007feccbb893ec R13: 00007ffd6300859f R14: 00007feccbab3400 R15: 0000000000022000 Modules linked in: ---[ end trace ef3b708bbc5cad7f ]--- RIP: 0010:dequeue_load_avg kernel/sched/fair.c:3033 [inline] RIP: 0010:dequeue_load_avg kernel/sched/fair.c:3033 [inline] kernel/sched/fair.c:3052 RIP: 0010:reweight_entity+0x152/0x430 kernel/sched/fair.c:3052 kernel/sched/fair.c:3052 Code: 03 80 3c 11 00 0f 85 ba 02 00 00 48 8d bd a0 00 00 00 4c 8b ab e0 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 6a 02 00 00 48 8b 95 a0 00 00 00 4c 29 ea 0f 82 RSP: 0018:ffffc9000b6c7d68 EFLAGS: 00010006 RAX: 0000000000003c00 RBX: ffff888020bcba80 RCX: 0000000000000014 RDX: dffffc0000000000 RSI: ffff888020bcba80 RDI: 00000000000000a0 RBP: 0000000000000000 R08: ffff888020bcbe0c R09: ffff88801f2e8000 R10: ffff888020bcbc90 R11: ffff888020bcba70 R12: ffff888020bcbab8 R13: 0000000000000400 R14: 0000000000000000 R15: ffff8880b9c3a7d8 FS: 00007feccbab3700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd630085f8 CR3: 0000000074a55000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 03 80 3c 11 00 0f add 0xf00113c(%rax),%eax 6: 85 ba 02 00 00 48 test %edi,0x48000002(%rdx) c: 8d bd a0 00 00 00 lea 0xa0(%rbp),%edi 12: 4c 8b ab e0 00 00 00 mov 0xe0(%rbx),%r13 19: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 20: fc ff df 23: 48 89 f9 mov %rdi,%rcx 26: 48 c1 e9 03 shr $0x3,%rcx * 2a: 80 3c 11 00 cmpb $0x0,(%rcx,%rdx,1) <-- trapping instruction 2e: 0f 85 6a 02 00 00 jne 0x29e 34: 48 8b 95 a0 00 00 00 mov 0xa0(%rbp),%rdx 3b: 4c 29 ea sub %r13,%rdx 3e: 0f .byte 0xf 3f: 82 .byte 0x82 ---------------- Code disassembly (best guess): 0: 03 80 3c 11 00 0f add 0xf00113c(%rax),%eax 6: 85 ba 02 00 00 48 test %edi,0x48000002(%rdx) c: 8d bd a0 00 00 00 lea 0xa0(%rbp),%edi 12: 4c 8b ab e0 00 00 00 mov 0xe0(%rbx),%r13 19: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 20: fc ff df 23: 48 89 f9 mov %rdi,%rcx 26: 48 c1 e9 03 shr $0x3,%rcx * 2a: 80 3c 11 00 cmpb $0x0,(%rcx,%rdx,1) <-- trapping instruction 2e: 0f 85 6a 02 00 00 jne 0x29e 34: 48 8b 95 a0 00 00 00 mov 0xa0(%rbp),%rdx 3b: 4c 29 ea sub %r13,%rdx 3e: 0f .byte 0xf 3f: 82 .byte 0x82