------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:23! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 6005 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__phys_addr+0x17b/0x180 arch/x86/mm/physaddr.c:23 Code: 50 cf fa 8d 48 89 de 4c 89 f2 e8 10 9a 8a 03 e9 4d ff ff ff e8 66 25 4b 00 90 0f 0b e8 5e 25 4b 00 90 0f 0b e8 56 25 4b 00 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc90002c0fba8 EFLAGS: 00010293 RAX: ffffffff817486fa RBX: 000000007ffffff9 RCX: ffff888107c99cc0 RDX: 0000000000000000 RSI: 000000007ffffff9 RDI: 000000001fffffff RBP: 00000000fffffff9 R08: ffffffff8fa38037 R09: 1ffffffff1f47006 R10: dffffc0000000000 R11: fffffbfff1f47007 R12: 0000000000000000 R13: 0000000000000000 R14: 000000007ffffff9 R15: dffffc0000000000 FS: 00007fae773f76c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31a63fff CR3: 000000001f48c000 CR4: 00000000000006f0 Call Trace: virt_to_folio include/linux/mm.h:1180 [inline] kfree+0x77/0x440 mm/slub.c:4871 bpf_prog_test_run_skb+0xceb/0x16e0 net/bpf/test_run.c:1179 bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4590 __sys_bpf+0x581/0x870 kernel/bpf/syscall.c:6047 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline] __se_sys_bpf kernel/bpf/syscall.c:6137 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6137 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fae7658ebe9 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:00007fae773f7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fae767c5fa0 RCX: 00007fae7658ebe9 RDX: 0000000000000050 RSI: 0000200000000080 RDI: 000000000000000a RBP: 00007fae76611e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fae767c6038 R14: 00007fae767c5fa0 R15: 00007ffe5431da58 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__phys_addr+0x17b/0x180 arch/x86/mm/physaddr.c:23 Code: 50 cf fa 8d 48 89 de 4c 89 f2 e8 10 9a 8a 03 e9 4d ff ff ff e8 66 25 4b 00 90 0f 0b e8 5e 25 4b 00 90 0f 0b e8 56 25 4b 00 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc90002c0fba8 EFLAGS: 00010293 RAX: ffffffff817486fa RBX: 000000007ffffff9 RCX: ffff888107c99cc0 RDX: 0000000000000000 RSI: 000000007ffffff9 RDI: 000000001fffffff RBP: 00000000fffffff9 R08: ffffffff8fa38037 R09: 1ffffffff1f47006 R10: dffffc0000000000 R11: fffffbfff1f47007 R12: 0000000000000000 R13: 0000000000000000 R14: 000000007ffffff9 R15: dffffc0000000000 FS: 00007fae773f76c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31a63fff CR3: 000000001f48c000 CR4: 00000000000006f0