Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 0 UID: 0 PID: 19599 Comm: syz.3.3177 Not tainted 6.10.0-rc5-next-20240624-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:tomoyo_socket_bind_permission+0xa5/0x340 security/tomoyo/network.c:727 Code: f3 f3 66 43 c7 44 2e 0e f3 f3 e8 66 2b 2d fd ba 30 00 00 00 48 89 df 31 f6 e8 67 d0 93 fd 49 8d 5c 24 18 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 7c cd 93 fd 48 8b 03 48 89 44 24 RSP: 0018:ffffc9000372f860 EFLAGS: 00010206 RAX: 0000000000000003 RBX: 0000000000000018 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000372f8d0 RBP: ffffc9000372f950 R08: ffffc9000372f8cf R09: 0000000000000000 R10: ffffc9000372f8a0 R11: fffff520006e5f1a R12: 0000000000000000 R13: dffffc0000000000 R14: 1ffff920006e5f10 R15: ffff888072d634a0 FS: 00007f304410e6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 000000001e93a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000090d DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: security_socket_bind+0x75/0xb0 security/security.c:4460 __sys_bind_socket+0x28/0xb0 net/socket.c:1830 io_bind+0x8f/0x190 io_uring/net.c:1752 io_issue_sqe+0x3cf/0x14f0 io_uring/io_uring.c:1674 io_queue_sqe io_uring/io_uring.c:1888 [inline] io_submit_sqe io_uring/io_uring.c:2144 [inline] io_submit_sqes+0xaff/0x1bf0 io_uring/io_uring.c:2259 __do_sys_io_uring_enter io_uring/io_uring.c:3168 [inline] __se_sys_io_uring_enter+0x2d4/0x2670 io_uring/io_uring.c:3105 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3043375ae9 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:00007f304410e048 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 00007f3043503fa0 RCX: 00007f3043375ae9 RDX: 0000000000000000 RSI: 0000000000002d3e RDI: 0000000000000003 RBP: 00007f30433f6746 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f3043503fa0 R15: 00007fffcdf5c8a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:tomoyo_socket_bind_permission+0xa5/0x340 security/tomoyo/network.c:727 Code: f3 f3 66 43 c7 44 2e 0e f3 f3 e8 66 2b 2d fd ba 30 00 00 00 48 89 df 31 f6 e8 67 d0 93 fd 49 8d 5c 24 18 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 7c cd 93 fd 48 8b 03 48 89 44 24 RSP: 0018:ffffc9000372f860 EFLAGS: 00010206 RAX: 0000000000000003 RBX: 0000000000000018 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000372f8d0 RBP: ffffc9000372f950 R08: ffffc9000372f8cf R09: 0000000000000000 R10: ffffc9000372f8a0 R11: fffff520006e5f1a R12: 0000000000000000 R13: dffffc0000000000 R14: 1ffff920006e5f10 R15: ffff888072d634a0 FS: 00007f304410e6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31e1aff8 CR3: 000000001e93a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000090d DR6: 00000000ffff0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: f3 f3 66 43 c7 44 2e repz xrelease movw $0xf3f3,0xe(%r14,%r13,1) 7: 0e f3 f3 a: e8 66 2b 2d fd call 0xfd2d2b75 f: ba 30 00 00 00 mov $0x30,%edx 14: 48 89 df mov %rbx,%rdi 17: 31 f6 xor %esi,%esi 19: e8 67 d0 93 fd call 0xfd93d085 1e: 49 8d 5c 24 18 lea 0x18(%r12),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 7c cd 93 fd call 0xfd93cdb5 39: 48 8b 03 mov (%rbx),%rax 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 44 rex.R 3f: 24 .byte 0x24