=====================================================
BUG: KMSAN: uninit-value in sctp_inq_pop+0x14dc/0x19e0 net/sctp/inqueue.c:211
 sctp_inq_pop+0x14dc/0x19e0 net/sctp/inqueue.c:211
 sctp_assoc_bh_rcv+0x1a0/0xbc0 net/sctp/associola.c:980
 sctp_inq_push+0x2a6/0x350 net/sctp/inqueue.c:88
 sctp_backlog_rcv+0x3c7/0xda0 net/sctp/input.c:331
 sk_backlog_rcv+0x142/0x420 include/net/sock.h:1158
 __release_sock+0x1ef/0x380 net/core/sock.c:3180
 release_sock+0x6b/0x270 net/core/sock.c:3735
 sctp_setsockopt+0x1270/0x2150 net/sctp/socket.c:4785
 sock_common_setsockopt+0xf5/0x140 net/core/sock.c:3912
 do_sock_setsockopt net/socket.c:2360 [inline]
 __sys_setsockopt+0x43e/0x580 net/socket.c:2385
 __do_sys_setsockopt net/socket.c:2391 [inline]
 __se_sys_setsockopt net/socket.c:2388 [inline]
 __x64_sys_setsockopt+0xf4/0x1a0 net/socket.c:2388
 x64_sys_call+0x27c9/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 sctp_inq_pop+0x144a/0x19e0 net/sctp/inqueue.c:207
 sctp_assoc_bh_rcv+0x1a0/0xbc0 net/sctp/associola.c:980
 sctp_inq_push+0x2a6/0x350 net/sctp/inqueue.c:88
 sctp_backlog_rcv+0x3c7/0xda0 net/sctp/input.c:331
 sk_backlog_rcv+0x142/0x420 include/net/sock.h:1158
 __release_sock+0x1ef/0x380 net/core/sock.c:3180
 release_sock+0x6b/0x270 net/core/sock.c:3735
 sctp_setsockopt+0x1270/0x2150 net/sctp/socket.c:4785
 sock_common_setsockopt+0xf5/0x140 net/core/sock.c:3912
 do_sock_setsockopt net/socket.c:2360 [inline]
 __sys_setsockopt+0x43e/0x580 net/socket.c:2385
 __do_sys_setsockopt net/socket.c:2391 [inline]
 __se_sys_setsockopt net/socket.c:2388 [inline]
 __x64_sys_setsockopt+0xf4/0x1a0 net/socket.c:2388
 x64_sys_call+0x27c9/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4969 [inline]
 slab_alloc_node mm/slub.c:5272 [inline]
 kmem_cache_alloc_node_noprof+0x989/0x16b0 mm/slub.c:5324
 kmalloc_reserve+0x13c/0x4b0 net/core/skbuff.c:579
 __alloc_skb+0x347/0x7d0 net/core/skbuff.c:670
 alloc_skb include/linux/skbuff.h:1383 [inline]
 sctp_packet_transmit+0x44b/0x46d0 net/sctp/output.c:598
 sctp_outq_flush_transports net/sctp/outqueue.c:1173 [inline]
 sctp_outq_flush+0x1c7d/0x67c0 net/sctp/outqueue.c:1221
 sctp_outq_uncork+0x9e/0xc0 net/sctp/outqueue.c:764
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:-1 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1204 [inline]
 sctp_do_sm+0x8c8e/0x9720 net/sctp/sm_sideeffect.c:1175
 sctp_primitive_REQUESTHEARTBEAT+0xd7/0x110 net/sctp/primitive.c:185
 sctp_apply_peer_addr_params+0x11d/0x1830 net/sctp/socket.c:2437
 sctp_setsockopt_peer_addr_params+0xc88/0xe80 net/sctp/socket.c:2687
 sctp_setsockopt+0xb3c/0x2150 net/sctp/socket.c:4638
 sock_common_setsockopt+0xf5/0x140 net/core/sock.c:3912
 do_sock_setsockopt net/socket.c:2360 [inline]
 __sys_setsockopt+0x43e/0x580 net/socket.c:2385
 __do_sys_setsockopt net/socket.c:2391 [inline]
 __se_sys_setsockopt net/socket.c:2388 [inline]
 __x64_sys_setsockopt+0xf4/0x1a0 net/socket.c:2388
 x64_sys_call+0x27c9/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 7765 Comm: syz.5.461 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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