BUG: unable to handle page fault for address: fffff520041f146d
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23fff2067 P4D 23fff2067 PUD 101a4067 PMD 66d0e067 PTE 8000000013d2a163
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10861 Comm: syz-executor.1 Not tainted 5.10.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pcpu_freelist_push_node kernel/bpf/percpu_freelist.c:33 [inline]
RIP: 0010:pcpu_freelist_populate+0x1a5/0x260 kernel/bpf/percpu_freelist.c:114
Code: 85 8f 00 00 00 48 8b 04 24 48 03 2c c5 c0 06 e4 8a 48 89 e8 48 c1 e8 03 42 80 3c 30 00 75 6b 48 89 da 48 8b 45 00 48 c1 ea 03 <42> 80 3c 32 00 75 45 48 89 03 44 89 ee 44 89 e7 48 89 5d 00 48 03
RSP: 0018:ffffc900093bfc30 EFLAGS: 00010a02
RAX: ffffc90020f4a2b8 RBX: ffffc90020f8a368 RCX: ffffc9000aa4c000
RDX: 1ffff920041f146d RSI: ffffffff8184af04 RDI: 0000000000000005
RBP: ffffe8ffffc8a250 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000163
R13: 0000000000080002 R14: dffffc0000000000 R15: ffff8880111f49c0
FS:  00007fd7555b5700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff520041f146d CR3: 0000000029236000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 prealloc_init kernel/bpf/hashtab.c:323 [inline]
 htab_map_alloc+0x981/0x1230 kernel/bpf/hashtab.c:507
 find_and_alloc_map kernel/bpf/syscall.c:123 [inline]
 map_create kernel/bpf/syscall.c:829 [inline]
 __do_sys_bpf+0xa81/0x5170 kernel/bpf/syscall.c:4374
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45de79
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fd7555b4c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045de79
RDX: 0000000000000040 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fffb973c40f R14: 00007fd7555b59c0 R15: 000000000118bf2c
Modules linked in:
CR2: fffff520041f146d
---[ end trace 974af1fc79fb1372 ]---
RIP: 0010:pcpu_freelist_push_node kernel/bpf/percpu_freelist.c:33 [inline]
RIP: 0010:pcpu_freelist_populate+0x1a5/0x260 kernel/bpf/percpu_freelist.c:114
Code: 85 8f 00 00 00 48 8b 04 24 48 03 2c c5 c0 06 e4 8a 48 89 e8 48 c1 e8 03 42 80 3c 30 00 75 6b 48 89 da 48 8b 45 00 48 c1 ea 03 <42> 80 3c 32 00 75 45 48 89 03 44 89 ee 44 89 e7 48 89 5d 00 48 03
RSP: 0018:ffffc900093bfc30 EFLAGS: 00010a02

RAX: ffffc90020f4a2b8 RBX: ffffc90020f8a368 RCX: ffffc9000aa4c000
RDX: 1ffff920041f146d RSI: ffffffff8184af04 RDI: 0000000000000005
RBP: ffffe8ffffc8a250 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000163
R13: 0000000000080002 R14: dffffc0000000000 R15: ffff8880111f49c0
FS:  00007fd7555b5700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff520041f146d CR3: 0000000029236000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400