------------[ cut here ]------------ kernel BUG at arch/x86/kernel/alternative.c:1027! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8628 Comm: syz-executor.1 Not tainted 5.18.0-rc3-syzkaller-01611-g68084a136420 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__text_poke+0x343/0x8c0 arch/x86/kernel/alternative.c:1027 Code: c3 0f 86 2c fe ff ff 49 8d bc 24 00 10 00 00 e8 23 bf 8c 00 48 89 44 24 28 48 85 db 74 0c 48 83 7c 24 28 00 0f 85 1b fe ff ff <0f> 0b 48 b8 00 f0 ff ff ff ff 0f 00 49 21 c0 48 85 db 0f 85 c6 02 RSP: 0018:ffffc900110e7810 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90003051000 RDX: 0000000000040000 RSI: ffffffff81b836d3 RDI: 0000000000000003 RBP: 0000000000000040 R08: 0000000000000000 R09: ffffc900110e7827 R10: ffffffff81b83671 R11: 0000000000000001 R12: ffffffffa0401700 R13: 0000000000000040 R14: 0000000000000740 R15: 0000000000002000 FS: 00007fc45f825700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 000000004d7cc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: text_poke_copy+0x66/0xa0 arch/x86/kernel/alternative.c:1170 bpf_arch_text_copy+0x21/0x40 arch/x86/net/bpf_jit_comp.c:2485 bpf_jit_binary_pack_finalize+0x44/0x110 kernel/bpf/core.c:1140 bpf_int_jit_compile+0xa74/0x13e0 arch/x86/net/bpf_jit_comp.c:2441 bpf_prog_select_runtime+0x2da/0x4b0 kernel/bpf/core.c:2218 bpf_prog_load+0xfe6/0x2250 kernel/bpf/syscall.c:2579 __sys_bpf+0x674/0x5750 kernel/bpf/syscall.c:4905 __do_sys_bpf kernel/bpf/syscall.c:5009 [inline] __se_sys_bpf kernel/bpf/syscall.c:5007 [inline] __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5007 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc45e6890e9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc45f825168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fc45e79bf60 RCX: 00007fc45e6890e9 RDX: 0000000000000070 RSI: 0000000020000280 RDI: 0000000000000005 RBP: 00007fc45e6e308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce103ffef R14: 00007fc45f825300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__text_poke+0x343/0x8c0 arch/x86/kernel/alternative.c:1027 Code: c3 0f 86 2c fe ff ff 49 8d bc 24 00 10 00 00 e8 23 bf 8c 00 48 89 44 24 28 48 85 db 74 0c 48 83 7c 24 28 00 0f 85 1b fe ff ff <0f> 0b 48 b8 00 f0 ff ff ff ff 0f 00 49 21 c0 48 85 db 0f 85 c6 02 RSP: 0018:ffffc900110e7810 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90003051000 RDX: 0000000000040000 RSI: ffffffff81b836d3 RDI: 0000000000000003 RBP: 0000000000000040 R08: 0000000000000000 R09: ffffc900110e7827 R10: ffffffff81b83671 R11: 0000000000000001 R12: ffffffffa0401700 R13: 0000000000000040 R14: 0000000000000740 R15: 0000000000002000 FS: 00007fc45f825700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c009a97000 CR3: 000000004d7cc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400