------------[ 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)