BUG: unable to handle page fault for address: fffff52002eebbc3 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 23fff2067 P4D 23fff2067 PUD 109a4067 PMD 2cce9067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 10393 Comm: syz-executor.1 Not tainted 5.10.0-rc7-next-20201208-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 0e 8b 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:ffffc900172f7c30 EFLAGS: 00010a06 RAX: ffffc9001735e008 RBX: ffffc9001775de18 RCX: ffffc9000a3ed000 RDX: 1ffff92002eebbc3 RSI: ffffffff81872de4 RDI: 0000000000000003 RBP: ffffe8ffffc80ca0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81872dd7 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000801 R14: dffffc0000000000 R15: ffff888023b1c9c0 FS: 00007f55ea91b700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffff52002eebbc3 CR3: 000000001d3f5000 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+0x9a5/0x1260 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+0xb3d/0x50f0 kernel/bpf/syscall.c:4360 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e159 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:00007f55ea91ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e159 RDX: 0000000000000040 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffe58e6c3df R14: 00007f55ea91b9c0 R15: 000000000119bf8c Modules linked in: CR2: fffff52002eebbc3 ---[ end trace 2bc56be85f514757 ]--- 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 0e 8b 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:ffffc900172f7c30 EFLAGS: 00010a06 RAX: ffffc9001735e008 RBX: ffffc9001775de18 RCX: ffffc9000a3ed000 RDX: 1ffff92002eebbc3 RSI: ffffffff81872de4 RDI: 0000000000000003 RBP: ffffe8ffffc80ca0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81872dd7 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000801 R14: dffffc0000000000 R15: ffff888023b1c9c0 FS: 00007f55ea91b700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffff52002eebbc3 CR3: 000000001d3f5000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400