Oops: general protection fault, probably for non-canonical address 0xdffffc0000000064: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000320-0x0000000000000327]
CPU: 0 UID: 0 PID: 5306 Comm: syz-executor Not tainted 6.14.0-rc5-syzkaller-00105-gf315296c92fd #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:cpuacct_charge+0x1d8/0x330 kernel/sched/cpuacct.c:342
Code: 1b 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 8b 1b 48 85 db 74 e5 48 8d ab 20 01 00 00 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 ef e8 29 a8 8f 00 48 8b 6d 00 83 3c 24
RSP: 0018:ffffc9000d227700 EFLAGS: 00010002
RAX: 0000000000000064 RBX: 0000000000000200 RCX: 0000000080000002
RDX: 0000000000000000 RSI: ffffffff8c2ac500 RDI: ffffffff8c80fea0
RBP: 0000000000000320 R08: ffffffff903cf477 R09: 1ffffffff2079e8e
R10: dffffc0000000000 R11: fffffbfff2079e8f R12: ffffffff8e551b50
R13: 000000000000912d R14: dffffc0000000000 R15: 1ffffffff1caa36a
FS: 000055556e87f500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b786b040f8 CR3: 0000000034f36000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
cgroup_account_cputime include/linux/cgroup.h:716 [inline]
update_curr_task+0xf0/0x330 kernel/sched/fair.c:1159
update_curr+0x52f/0xda0 kernel/sched/fair.c:1233
dequeue_entity+0x27/0x1360 kernel/sched/fair.c:5441
dequeue_entities+0x25a/0xdd0 kernel/sched/fair.c:7077
dequeue_task_fair+0x2b0/0x540 kernel/sched/fair.c:7173
block_task kernel/sched/core.c:2140 [inline]
try_to_block_task kernel/sched/core.c:6602 [inline]
__schedule+0x5fc/0x4c90 kernel/sched/core.c:6713
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6857
do_nanosleep+0x197/0x600 kernel/time/hrtimer.c:2141
hrtimer_nanosleep+0x1ec/0x410 kernel/time/hrtimer.c:2188
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1402 [inline]
__se_sys_clock_nanosleep+0x32b/0x3c0 kernel/time/posix-timers.c:1379
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: 0033:0x7f122c1bfa25
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 54 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f 55 ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffccaa3c2b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f122c1bfa25
RDX: 00007ffccaa3c2f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffccaa3c35c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000001388
R13: 00000000000927c0 R14: 0000000000010da5 R15: 00007ffccaa3c3b0
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:cpuacct_charge+0x1d8/0x330 kernel/sched/cpuacct.c:342
Code: 1b 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 8b 1b 48 85 db 74 e5 48 8d ab 20 01 00 00 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 ef e8 29 a8 8f 00 48 8b 6d 00 83 3c 24
RSP: 0018:ffffc9000d227700 EFLAGS: 00010002
RAX: 0000000000000064 RBX: 0000000000000200 RCX: 0000000080000002
RDX: 0000000000000000 RSI: ffffffff8c2ac500 RDI: ffffffff8c80fea0
RBP: 0000000000000320 R08: ffffffff903cf477 R09: 1ffffffff2079e8e
R10: dffffc0000000000 R11: fffffbfff2079e8f R12: ffffffff8e551b50
R13: 000000000000912d R14: dffffc0000000000 R15: 1ffffffff1caa36a
FS: 000055556e87f500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b786b040f8 CR3: 0000000034f36000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 83 c4 18 add $0x18,%rsp
4: 5b pop %rbx
5: 41 5c pop %r12
7: 41 5d pop %r13
9: 41 5e pop %r14
b: 41 5f pop %r15
d: 5d pop %rbp
e: c3 ret
f: cc int3
10: cc int3
11: cc int3
12: cc int3
13: 48 8b 1b mov (%rbx),%rbx
16: 48 85 db test %rbx,%rbx
19: 74 e5 je 0x0
1b: 48 8d ab 20 01 00 00 lea 0x120(%rbx),%rbp
22: 48 89 e8 mov %rbp,%rax
25: 48 c1 e8 03 shr $0x3,%rax
* 29: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 48 89 ef mov %rbp,%rdi
33: e8 29 a8 8f 00 call 0x8fa861
38: 48 8b 6d 00 mov 0x0(%rbp),%rbp
3c: 83 .byte 0x83
3d: 3c 24 cmp $0x24,%al