------------[ cut here ]------------ WARNING: CPU: 0 PID: 5092 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157 Modules linked in: CPU: 0 PID: 5092 Comm: syz.0.19 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157 Code: 01 e8 59 4a 11 f9 0f 0b e9 64 fe ff ff e8 4d 4a 11 f9 0f 0b e9 99 fe ff ff e8 41 4a 11 f9 0f 0b e9 c1 fe ff ff e8 35 4a 11 f9 <0f> 0b e9 e9 fe ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 5b fd ff RSP: 0018:ffffc90000007b48 EFLAGS: 00010246 RAX: ffffffff8866807b RBX: dffffc0000000000 RCX: ffff88807cba8000 RDX: 0000000000000100 RSI: 0000000000000fff RDI: 0000000000000000 RBP: 0000000000000fff R08: dffffc0000000000 R09: ffffed10057ad518 R10: ffffed10057ad518 R11: 1ffff110057ad517 R12: ffff88802bd6a640 R13: ffff88802bd6a640 R14: ffff88802bd6a860 R15: 1ffff110057ad4ca FS: 00007fcd1ed066c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000023c0 CR3: 000000005e94f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x50/0x820 net/core/sock.c:1956 rcu_do_batch kernel/rcu/tree.c:2523 [inline] rcu_core+0x962/0x15d0 kernel/rcu/tree.c:2763 handle_softirqs+0x328/0x820 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] invoke_softirq kernel/softirq.c:450 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:dump_stack_lvl+0x1d0/0x230 lib/dump_stack.c:108 Code: e8 d5 af d6 f7 49 21 de 75 61 e8 eb ab d6 f7 4d 85 ed 75 07 e8 e1 ab d6 f7 eb 06 e8 da ab d6 f7 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 43 c7 44 27 09 00 00 00 00 66 43 c7 44 27 RSP: 0018:ffffc9000133f560 EFLAGS: 00000293 RAX: ffffffff89a11ed6 RBX: 0000000000000086 RCX: ffff88807cba8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000133f650 R08: dffffc0000000000 R09: fffffbfff1ff7632 R10: fffffbfff1ff7632 R11: 1ffffffff1ff7631 R12: dffffc0000000000 R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff92000267eb0 fail_dump lib/fault-inject.c:52 [inline] should_fail+0x38c/0x4c0 lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1350 slab_pre_alloc_hook+0x51/0xc0 mm/slab.h:494 slab_alloc_node mm/slub.c:3134 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc_trace+0x47/0x2a0 mm/slub.c:3245 kmalloc include/linux/slab.h:604 [inline] kzalloc include/linux/slab.h:735 [inline] tcp_bpf_send_verdict+0xc1f/0xe20 net/ipv4/tcp_bpf.c:364 tcp_bpf_sendmsg+0x64a/0xa80 net/ipv4/tcp_bpf.c:516 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x423/0x580 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fcd1f696be9 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:00007fcd1ed06038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fcd1f8bdfa0 RCX: 00007fcd1f696be9 RDX: 0000000000000001 RSI: 0000200000000040 RDI: 0000000000000003 RBP: 00007fcd1ed06090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000024004090 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fcd1f8be038 R14: 00007fcd1f8bdfa0 R15: 00007fff4bd6e488 ---------------- Code disassembly (best guess): 0: e8 d5 af d6 f7 call 0xf7d6afda 5: 49 21 de and %rbx,%r14 8: 75 61 jne 0x6b a: e8 eb ab d6 f7 call 0xf7d6abfa f: 4d 85 ed test %r13,%r13 12: 75 07 jne 0x1b 14: e8 e1 ab d6 f7 call 0xf7d6abfa 19: eb 06 jmp 0x21 1b: e8 da ab d6 f7 call 0xf7d6abfa 20: fb sti 21: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp) 28: e0 45 * 2a: 4b c7 04 27 00 00 00 movq $0x0,(%r15,%r12,1) <-- trapping instruction 31: 00 32: 43 c7 44 27 09 00 00 movl $0x0,0x9(%r15,%r12,1) 39: 00 00 3b: 66 data16 3c: 43 rex.XB 3d: c7 .byte 0xc7 3e: 44 27 rex.R (bad)