Oops: general protection fault, probably for non-canonical address 0xdffffc0000000014: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000000a0-0x00000000000000a7]
CPU: 0 UID: 0 PID: 6108 Comm: syz.4.227 Not tainted 6.11.0-rc4-next-20240820-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:is_same_group kernel/sched/fair.c:411 [inline]
RIP: 0010:find_matching_se kernel/sched/fair.c:448 [inline]
RIP: 0010:check_preempt_wakeup_fair+0x471/0xb00 kernel/sched/fair.c:8679
Code: 00 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 a0 27 95 00 4d 8b 3f 49 8d ae a0 00 00 00 48 89 e8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 ef e8 80 27 95 00 48 8b 5d 00 49 8d af
RSP: 0018:ffffc90000007ce0 EFLAGS: 00010006
RAX: 0000000000000014 RBX: ffff8880b903eb00 RCX: ffffffff81671a28
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801ab83c00
RBP: 00000000000000a0 R08: ffff88801ab83c07 R09: 1ffff11003570780
R10: dffffc0000000000 R11: ffffed1003570781 R12: ffff8880b913ea40
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007fefedf946c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020009000 CR3: 000000007e906000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
wakeup_preempt+0xd8/0x2a0 kernel/sched/core.c:2128
ttwu_do_activate+0x1f8/0x7e0 kernel/sched/core.c:3666
ttwu_queue kernel/sched/core.c:3940 [inline]
try_to_wake_up+0x8bc/0x1480 kernel/sched/core.c:4266
swake_up_locked kernel/sched/swait.c:29 [inline]
complete_with_flags kernel/sched/completion.c:24 [inline]
complete+0xac/0x1c0 kernel/sched/completion.c:47
csd_do_func kernel/smp.c:134 [inline]
__flush_smp_call_function_queue+0xb88/0x1690 kernel/smp.c:571
__sysvec_call_function_single+0xb8/0x430 arch/x86/kernel/smp.c:271
instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
sysvec_call_function_single+0x9e/0xc0 arch/x86/kernel/smp.c:266
asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5766
Code: 2b 00 74 08 4c 89 f7 e8 aa 2f 8c 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90004107a00 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000820f4c RCX: 0cf256e24d308a00
RDX: dffffc0000000000 RSI: ffffffff8c0adfc0 RDI: ffffffff8c609e20
RBP: ffffc90004107b50 R08: ffffffff9375e837 R09: 1ffffffff26ebd06
R10: dffffc0000000000 R11: fffffbfff26ebd07 R12: 1ffff92000820f48
R13: dffffc0000000000 R14: ffffc90004107a60 R15: 0000000000000246
__might_fault+0xc6/0x120 mm/memory.c:6394
_inline_copy_from_user include/linux/uaccess.h:154 [inline]
_copy_from_user+0x2a/0xe0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:196 [inline]
generic_map_update_batch+0x567/0x900 kernel/bpf/syscall.c:1837
bpf_map_do_batch+0x3a0/0x670 kernel/bpf/syscall.c:5136
__sys_bpf+0x377/0x810
__do_sys_bpf kernel/bpf/syscall.c:5734 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5732 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5732
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: 0033:0x7fefed179e79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fefedf94038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fefed315f80 RCX: 00007fefed179e79
RDX: 0000000000000038 RSI: 0000000020000300 RDI: 000000000000001a
RBP: 00007fefed1e7916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fefed315f80 R15: 00007ffd9d0e6a78
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:is_same_group kernel/sched/fair.c:411 [inline]
RIP: 0010:find_matching_se kernel/sched/fair.c:448 [inline]
RIP: 0010:check_preempt_wakeup_fair+0x471/0xb00 kernel/sched/fair.c:8679
Code: 00 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 a0 27 95 00 4d 8b 3f 49 8d ae a0 00 00 00 48 89 e8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 ef e8 80 27 95 00 48 8b 5d 00 49 8d af
RSP: 0018:ffffc90000007ce0 EFLAGS: 00010006
RAX: 0000000000000014 RBX: ffff8880b903eb00 RCX: ffffffff81671a28
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801ab83c00
RBP: 00000000000000a0 R08: ffff88801ab83c07 R09: 1ffff11003570780
R10: dffffc0000000000 R11: ffffed1003570781 R12: ffff8880b913ea40
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007fefedf946c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020009000 CR3: 000000007e906000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 4c 89 f8 add %cl,-0x8(%rcx,%rcx,4)
6: 48 c1 e8 03 shr $0x3,%rax
a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
f: 74 08 je 0x19
11: 4c 89 ff mov %r15,%rdi
14: e8 a0 27 95 00 call 0x9527b9
19: 4d 8b 3f mov (%r15),%r15
1c: 49 8d ae a0 00 00 00 lea 0xa0(%r14),%rbp
23: 48 89 e8 mov %rbp,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 48 89 ef mov %rbp,%rdi
34: e8 80 27 95 00 call 0x9527b9
39: 48 8b 5d 00 mov 0x0(%rbp),%rbx
3d: 49 rex.WB
3e: 8d .byte 0x8d
3f: af scas %es:(%rdi),%eax