R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff4f12c86d4 R13: 00000000004c0efb R14: 00000000004d4b50 R15: 0000000000000004 BUG: unable to handle page fault for address: fffff91ffff00000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffe6067 P4D 21ffe6067 PUD aa56c067 PMD aa56d067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 32181 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memory_is_nonzero mm/kasan/generic.c:121 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:166 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:182 [inline] RIP: 0010:check_memory_region+0x9c/0x1a0 mm/kasan/generic.c:192 Code: c9 4d 0f 49 c1 49 c1 f8 03 45 85 c0 0f 84 10 01 00 00 41 83 e8 01 4e 8d 44 c0 08 eb 0d 48 83 c0 08 4c 39 c0 0f 84 a7 00 00 00 <48> 83 38 00 74 ed 4c 8d 40 08 eb 09 48 83 c0 01 49 39 c0 74 53 80 RSP: 0018:ffffc90001757a80 EFLAGS: 00010202 RAX: fffff91ffff00000 RBX: fffff91ffff00921 RCX: ffffffff819e4ed9 RDX: 0000000000000001 RSI: 0000000000004908 RDI: ffffe8ffff800000 RBP: ffffc90001757a98 R08: fffff91ffff00920 R09: 0000000000000921 R10: fffff91ffff00920 R11: ffffe8ffff804907 R12: fffff91ffff00000 R13: 0000000000004908 R14: 0000000000000000 R15: ffff88821fffd100 FS: 00007ff4f12c8700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffff91ffff00000 CR3: 000000009e879000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: memset+0x24/0x40 mm/kasan/common.c:108 memset include/linux/string.h:365 [inline] pcpu_alloc+0x589/0x1380 mm/percpu.c:1734 __alloc_percpu_gfp+0x28/0x30 mm/percpu.c:1783 bpf_array_alloc_percpu kernel/bpf/arraymap.c:35 [inline] array_map_alloc+0x698/0x7d0 kernel/bpf/arraymap.c:159 find_and_alloc_map kernel/bpf/syscall.c:124 [inline] map_create kernel/bpf/syscall.c:655 [inline] __do_sys_bpf+0x478/0x3610 kernel/bpf/syscall.c:3055 __se_sys_bpf kernel/bpf/syscall.c:3032 [inline] __x64_sys_bpf+0x73/0xb0 kernel/bpf/syscall.c:3032 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a919 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff4f12c7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ff4f12c7c90 RCX: 000000000045a919 RDX: 000000000000003c RSI: 0000000020000000 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff4f12c86d4 R13: 00000000004c0efb R14: 00000000004d4b50 R15: 0000000000000004 Modules linked in: CR2: fffff91ffff00000 ---[ end trace ea31e7226a673f2a ]--- RIP: 0010:memory_is_nonzero mm/kasan/generic.c:121 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:166 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:182 [inline] RIP: 0010:check_memory_region+0x9c/0x1a0 mm/kasan/generic.c:192 Code: c9 4d 0f 49 c1 49 c1 f8 03 45 85 c0 0f 84 10 01 00 00 41 83 e8 01 4e 8d 44 c0 08 eb 0d 48 83 c0 08 4c 39 c0 0f 84 a7 00 00 00 <48> 83 38 00 74 ed 4c 8d 40 08 eb 09 48 83 c0 01 49 39 c0 74 53 80 RSP: 0018:ffffc90001757a80 EFLAGS: 00010202 RAX: fffff91ffff00000 RBX: fffff91ffff00921 RCX: ffffffff819e4ed9 RDX: 0000000000000001 RSI: 0000000000004908 RDI: ffffe8ffff800000 RBP: ffffc90001757a98 R08: fffff91ffff00920 R09: 0000000000000921 R10: fffff91ffff00920 R11: ffffe8ffff804907 R12: fffff91ffff00000 R13: 0000000000004908 R14: 0000000000000000 R15: ffff88821fffd100 FS: 00007ff4f12c8700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffff91ffff00000 CR3: 000000009e879000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400